ILLINOIS POLLUTION CONTROL BOARD
    February 4,
    1993
    IN THE MATTER OF:
    R92—3
    SAFE DRINKING WATER ACT
    )
    (Identical in Substance Rules)
    UPDATE, PHASE IIB
    AND
    LEAD
    AND
    )
    COPPER RULES
    )
    (6/1/91
    12/31/91)
    )
    Proposal for Public Comment.
    Proposed Order of the Board
    (by J. Anderson):
    Pursuant to Sections 17.5 of the Environmental Protection
    Act. (Act),
    the Board is proposing to amend the Safe Drinking
    Water Act
    (SDWA)
    regulations.
    Section 17.5 provides for quick adoption of regulations
    which are “identical in substance” to federal regulations and
    that Title VII of the Act and Section
    5 of the Administrative
    Procedure Act
    (APA)
    shall not apply.
    Because this rulemaking is
    not subject to Section
    5 of the APA,
    it is not subject to first
    notice or to second notice review by the Joint Committee on
    Administrative Rules
    (JCAR).
    The federal SDWA regulations are
    found at 40 CFR 141 and 142.
    This rulemaking updates SDWA rules
    to correspond with major federal amendments more fully outlined
    in the accompanying Opinion.
    This proposed order is supported by a proposed opinion
    adopted on the same day.
    The Board will receive public comment
    on the proposal for a period of 45 days following
    its publication
    in the Illinois Register.
    The complete text of the proposed
    rules follows.
    IT IS SO ORDERED.
    B.
    Forcade concurred.
    I, Dorothy N. Gunn,
    Clerk of the Illinois Pollution Control
    Board, do hereby certi y that the abov~1proposedorder was
    adopted on~he
    day of
    ~
    ,
    1993,
    by a
    vote of
    —O
    Dorothy N. 9~nn,Clerk
    Illinois Pq’~utionControl Board
    0139-0179

    2
    TITLE 35:
    ENVIRONMENTAL PROTECTION
    SUBTITLE
    F:
    PUBLIC
    WATER
    SUPPLIES
    CHAPTER
    I:
    POLLUTION
    CONTROL
    BOARD
    PART
    605
    SAMPLING
    AND
    MONITORING
    Section
    605.101
    Frequency of Bacteriological Sampling (Repealed)
    605.102
    Minimum Allowable Monthly Samples for Bacteriological
    Analysis
    (ReDealed)
    605.103
    Frequency of Chemical Analysis Sampling (Repealed)
    605.104
    Frequency of Trihalomethane Analysis Sampling
    (Repealed)
    605.105
    Monitoring Requirements for Radium-226,
    —228 and Gross
    Alpha particle Activity (Repealed)
    605.106
    Monitoring Frequency for Radium—226, —228 and Gross
    Alpha Particle Activity (Repealed)
    605.107
    Monitoring Requirements for Man-Made Radioactivity
    (Repealed)
    605.108
    Monitoring Frequency for Man—Made Radioactivity
    (Repealed)
    605.109
    Surface Water Supplies Additional Monitoring
    Requirements
    605.110
    Modification of Monitoring Requirements
    (Repealed)
    605.Appendix A References to Former Rules (Repealed)
    AUTHORITY:
    Implementing Section 17 and authorized by Section 27
    of the Environmental Protection Act (Ill.
    Rev. Stat.
    1987, ch.
    111½, pars.
    1017 and 1027 (415 ILCS 5/17 and 27).
    SOURCE:
    Filed with Secretary of State January
    1,
    1978; amended
    at
    2 Ill. Reg.
    36,
    p.
    72, effective August 29,
    1978; amended and
    codified at
    6 Ill. Reg.
    11497, effective September 14,
    1982;
    amended at
    6 Ill.
    Reg.
    14344, effective November 3, 1982;
    amended
    in R84—l2 at 14
    Ill. Reg.
    695, effective January 2,
    1990;
    amended
    at 14 Ill. Reg.
    16642, effective September 20,
    1990; amended in
    R92—3 at 17
    Ill.
    Reg.
    ____________,
    effective
    __________________
    ______,
    1993.
    Section 605.101
    Frequency of Bacteriological Sampling
    (ReDealed)
    This
    Caption
    applies
    until thc offootive date for the filtration
    and disinfection requirements of 35 Ill. Adm. Code 611.Cubpart B
    r~nr1iørib1n
    ~nnh
    oupply.
    103 of thc finished water from
    tho
    distribution
    ~‘~2
    system are to be submitted monthly by cach
    supply owner, official austodian, or his authorized
    ueroonnel to a oertificd laboratory for bacteriological
    analysis.
    0139-0180

    3
    ~1_
    ~
    ~~1
    of oamplcc tobcou
    ~
    number of samples may be required by the
    ‘-onmental Protection Agency (Agency) to be
    —I
    EnvL.
    analy.~,..
    b)
    The owner, official custodian,
    or authori~odpersonnel
    of any community water supply which is exempt from
    chlorination purcuant to 35
    I.l.
    Ada. Code 604.403
    shell submit sampico to a certified laboratory for
    bacteriological analysis at least twice a month.
    Each
    submission shall consist of the minimum number of
    samples shown in Ceotion 605.102 plus raw water csainples
    of a sufficient number to
    assure
    that each active well
    is sampled at least monthly.
    C)
    E11I~J I
    fJL~
    1Ir,~
    rcopu
    *~
    uuDI~
    ave
    -~#
    ~“‘~
    ‘“
    -nsibil~ of th
    _‘ly to
    h
    the analyses performed either at its own oertificd
    laboratory or at any -other certified laboratory.
    The
    Agency may require that
    ome or all of the monthly
    samples be submitted to
    te 1aboratorir~n~
    (Source:
    Repealed at 17 Ill. Reg.
    1993)
    effective
    ______
    Section
    605.102
    Minimum Allowable Monthly Samples for
    Bacteriological Analysis
    (Repealed)
    This &cction applies until th
    and disinfection requirements
    as applicable to each supply.
    effective date for the filtratipn
    ~C
    ‘.e
    r
    1
    t
    fl_
    n_2._.
    a.,
    _tS.Un
    Population
    Scrv
    -3
    -
    25 to 100
    1
    101 to 2,500
    2
    2,501 to 3,300
    3
    ~,-3p1to 4,100
    4,101 to 4,900
    5
    4,901 to 5,800
    6
    5,801 to 6,700
    7
    6,701 to 7,600
    8
    7,601 to 8,500
    9
    8,-501 to 9,400
    10
    9,401 to 10,300
    11
    10,301 to 11,100
    12
    11,101 to 12,000
    13
    12,001 to 12,900
    14
    12~fl1
    t~n
    7~.7flfl
    ic
    0139-0181

    4
    13,701
    to
    14,600
    14,601
    to
    15,500
    15,501 to 16,300
    16,301 to 17,200
    17,201 to 18,100
    18,101 to 18,900
    18,901 to 19,800
    19,801 to 20,700
    20,701 to 21,500
    24
    21,501 to 22,300
    25
    22,301
    to
    23,200
    26
    23,301 to 24,000
    27
    24,001 to 24,900
    28
    24,901 to 25,000
    29
    25,001 to 28,000
    30
    28,001 to 33,000
    35
    33,001 to 37,000
    40
    37,001 to 41,000
    45
    41,001 to 46,000
    50
    46,001 to 50,000
    55
    50,001
    to
    54,000
    60
    54,001 to 59,000
    65
    59,001
    to
    64,000
    70
    64,001 to 70,000
    75
    70,001 to 76,000
    80
    76,001 to 83,000
    85
    83,001 to 90,-000
    90
    90,001 to 96,000
    95
    ~6,001 to 111,000
    100
    111,001
    to
    130,000
    110
    130,001
    to
    160,000
    120
    160,001 to 190,000
    130
    190,001 to 220,000
    140
    220,001 to 250,000
    150
    250,001 to 290,000
    160
    290,001 to 320,000
    170
    320,001 to 360,000
    180
    360,001 to 410,000
    190
    410,001 to 450,000
    200
    450,001 to 500,000
    210
    500,001 to 550,000
    220
    550,001 to 600,000
    230
    600,001 to 660,000
    240
    660,001 to 70,000
    250
    720,001 to 780,000
    260
    780,001 to 840,000
    270
    840,001
    to
    910,000
    280
    910,001
    to
    970,000
    290
    970,001
    to
    1,050,000
    300
    1,050,001
    to
    1,140,000
    310
    1,140,001 to 1,230,000
    320
    1,230,001
    to
    1,320,000
    330
    0 139-U 182

    5
    1,320,001
    to
    1,420,000
    340
    -1,420,001 to 1,520,000
    350
    1,520,001 to 1,630,000
    360
    1,630,001 to 1,730,000
    370
    1,730,001 to 1,050,000
    380
    -1,850,001 to 1,970,000
    390
    1,970,001 to 2,060,000
    400
    2,060,001 to 2,270,000
    410
    2,270,001 to 2,510,000
    420
    2,510,001 to 2,750,000
    430
    2,750,001 to 3,020,000
    440
    3,020,001 to 3,320,000
    450
    3,320,001 to 3,620,000
    460
    3,620,001 to 3,960,000
    470
    2,960,001 to 4,310,000
    480
    4,310,001 to 4,690,000
    490
    4,690,001 or more
    500
    (Source:
    Repealed at 17
    Ill. Reg.
    ,
    effective
    ______
    1993)
    TITLE 35:
    ENVIRONMENTAL
    PROTECTION
    SUBTITLE
    F:
    PUBLIC
    WATER
    SUPPLIES
    CHAPTER I:
    POLLUTION CONTROL BOARD
    PART 611
    PRIMARY DRINKING WATER
    STANDARDS
    SUBPART
    A:
    GENERAL
    Section
    611.100
    Purpose,
    Scope
    and
    Applicability
    611.101
    Definitions
    611.102
    Incorporations by Reference
    611.103
    Severability
    611.108
    Delegation to Local Government
    611.109
    Enforcement
    611.110
    Special
    Exception
    Permits
    611.111
    Section
    1415
    Variances
    611.112
    Section
    1416
    Variances
    611.113
    Alternative Treatment Techniques
    611.114
    Siting
    requirements
    611.115
    Source Water
    Quantity
    611.120
    Effective dates
    611.121
    Maximum Contaminant Levels
    611.125
    Fluoridation Requirement
    611.126
    Prohibition on Use of Lead
    611.130
    Special Requirements for Certain Variances and Adiusted
    Standards
    SUBPART B:
    FILTRATION
    AND
    DISINFECTION
    Section
    0139-0183

    6
    611.201
    611. 202
    611.211
    611. 212
    611. 213
    611.220
    611.230
    611.231
    611.232
    611.233
    611.240
    611.241
    611.242
    611.250
    611. 261
    611.262
    611.271
    611.272
    Requiring a Demonstration
    Procedures for Agency Determinations
    Filtration
    Required
    Groundwater
    under
    Direct
    Influence
    of
    Surface
    Water
    No Method of HPC Analysis
    General Requirements
    Filtration Effective Dates
    Source
    Water
    Quality
    Conditions
    Site—specific Conditions
    Treatment Technique Violations
    Disinfection
    Unfiltered PWSs
    Filtered
    PWSs
    Filtration
    Unfiltered PWSs:
    Reporting and Recordkeeping
    Filtered PWSs:
    Reporting and Recordkeeping
    Protection during Repair Work
    Disinfection
    following
    Repair
    SUBPART C:
    USE OF NON-CENTRALIZED
    TREATMENT
    DEVICES
    Section
    611. 280
    611. 290
    Point-of-Entry
    Devices
    Use of other Non-centrz
    Devices or Bottled Water
    —of-Use
    Section
    611.295
    611.296
    611.297
    SUBPART D:
    TREATMENT
    TECHNIQUES
    General
    Requirements
    Acrylamide
    and
    Epichlorohydrin
    Corrosion
    Control
    Section
    611.300
    611.301
    611.310
    611. 311
    611.320
    611.325
    611.330
    611.331
    SUBPART
    F:
    MAXIMUM
    CONTAMINANT
    LEVELS
    (MCL’s)
    Old
    MCLs
    for
    Inorganic
    Chemicals
    Revised MCLs for Inorganic Chemicals
    Old MCLs for Organic Chemicals
    Revised MCLs for Organic Contaminants
    Turbidity
    Microbiological Contaminants
    Radium and Gross Alpha Particle Activity
    Beta Particle and Photon Radioactivity
    Section
    611.350
    611.351
    611.352
    611.353
    611.354
    611.355
    611.356
    611. 357
    SUBPART
    G:
    LEAD AND
    COPPER
    General Reauirepents
    Ap~licabilitv
    of
    Corrosion
    Control
    Corrosion
    Control
    Treatment
    Source
    Water
    Treatment
    Lead Service Line
    Replacement
    Public
    Education
    and
    Su~~lemental Monitoring
    Ta~Water Monitoring for Lead and Co~~er
    Monitoring for Water Quality Parameters
    0139-0I8~

    7
    611.358
    Monitoring for Lead and CopPer in Source Water
    611.359
    Analytical
    Methods
    611.360
    Reporting
    611.361
    Recordkeepin~
    SUBPART
    K:
    GENERAL
    MONITORING
    AND
    ANALYTICAL
    REQUIREMENTS
    Alternative
    Analytical
    Techniques
    Certified Laboratories
    Laboratory
    Testing
    Equipment
    Consecutive
    PWS5
    Special
    Monitoring
    for
    Unregulated
    Contaminants
    SUBPART L:
    MICROBIOLOGICAL
    MONITORING
    AND
    ANALYTICAL REQUIREMENTS
    Routine Coliform Monitoring
    Repeat
    Coliform
    Monitoring
    Invalidation of Total Coliform Samples
    Sanitary
    Surveys
    Fecal
    Coliform
    and
    E.
    Coli Testing
    Analytical
    Methodology
    Response to Violation
    Analytical
    Requirements
    Unfiltered
    PWS5
    Filtered PWSs
    SUBPART
    M:
    TURBIDITY MONITORING
    AND
    ANALYTICAL
    REQUIREMENTS
    Section
    611.560
    Turbidity
    SUBPART N:
    INORGANIC MONITORING
    AND
    ANALYTICAL REQUIREMENTS
    Section
    611.591
    Violation of State MCL
    611.592
    Frequency of State Monitoring
    611.600
    Applicability
    611.601
    Monitoring Frequency
    611.602
    Asbestos Monitoring Frequency
    611.603
    Inorganic Monitoring Frequency
    611.604
    Nitrate Monitoring
    611.605
    Nitrite Monitoring
    611.606
    Confirmation Samples
    611.607
    More Frequent Monitoring and Confirmation Sampling
    611.608
    Additional Optional Monitoring
    611.609
    Averaging
    611.610
    Inorganic
    Monitoring
    Times
    611.611
    Inorganic Analysis
    611.612
    Monitoring Requirements for Old Inorganic MCLs
    611.630
    Special Monitoring for Sodium
    611.631
    Special Monitoring for Inorganic Chemicals
    SUBPART 0:
    ORGANIC MONITORING
    AND
    ANALYTICAL REQUIREMENTS
    0 139-0185
    Section
    611.
    480
    611.490
    611.491
    611.500
    611.510
    Section
    611.521
    611.522
    611.523
    611.524
    611.525
    611.526
    611.527
    611.531
    611. 532
    611.533

    8
    Section
    611.640
    611.641
    611.645
    611.646
    611.647
    611. 648
    611.650
    611.657
    611.658
    Definitions
    Old MCLs
    Analytical Methods for Old MCL5
    Phase I and Phase II Volatile Organic Contaminants
    Sampling for Phase
    I Volatile Organic Contaminants
    Phase II Synthetic Organic Contaminants
    Monitoring for 36 Contaminants (Repealed)
    Analytical Methods for 36 Contaminants (Repealed)
    Special Monitoring for Organic -Chemic~i1s
    Sampling, Analytical and other Requirements
    Reduced Monitoring Frequency
    Averaging
    Analytical Methods
    Modification to System
    SUBPART
    Q:
    RADIOLOGICAL MONITORING
    AND
    ANALYTICAL REQUIREMENTS
    Section
    611.720
    Analytical Methods
    611.731
    Gross Alpha
    611.732
    Manmade Radioactivity
    SUBPART T:
    REPORTING, PUBLIC NOTIFICATION
    AND
    RECORDKEEPING
    Section
    611.830
    611. 831
    611.832
    611.833
    611.840
    611.851
    611.852
    611.853
    611.854
    611.855
    611.856
    611.858
    611.860
    611.870
    Applicability
    Monthly Operating Report
    Notice by Agency
    Cross Connection Reporting
    Reporting
    Reporting MCL and other Violations
    Reporting other Violations
    Notice to New Billing Units
    General Content of Public Notice
    Mandatory Health Effects Language
    Fluoride Notice
    Fluoride Secondary Standard
    Record Maintenance
    List of 36 Contaminants
    611.Appendix A Mandatory Health Effects Information
    611.AppendiX B Percent Inactivation of
    G. Lamblia Cysts
    611.Appendix C Common Names of Organic Chemicals
    611.Appendix D Defined Substrate Method for the Simultaneous
    Detection of Total Coliforms and Eschricia Coli
    from
    Drinking
    Water
    611.Ap~endixE Mandatory Lead Public Education Information
    61l.Table A
    6l1.Table B
    611.Table C
    Section
    611.680
    611.
    683
    611.684
    611.685
    611.686
    SUBPART
    P:
    P1114
    MONITORING
    AND
    ANALYTICAL
    REQUIREMENTS
    Total Coliform Monitoring Frequency
    Fecal or Total Coliform Density Measurements
    Frequency of
    RDC
    Measurement
    0139-0186

    9
    6ll.Table D
    Federal Effective DatcoNuinber
    of
    Lead
    and
    Co~~er
    Monitoring Sites
    611.Table E
    Lead and CoPper Monitoring Start Dates
    611.Table F
    Number of Water Quality Parameter Sampling Sites
    611.Table G
    Summary of Monitoring Requirements for Water
    Quality Parameters
    61l.Table ~
    Federal Effective Dates
    AUTHORITY:
    Implementing Sections 17 and 17.5 and authorized by
    Section 27 of the Environmental Protection Act
    (Ill. Rev.
    Stat.
    1991,
    ch.
    111½, pars.
    1017,
    1017.5 and 1027
    (415 ILCS 5/17,
    5/17.5 and 5/273).
    SOURCE:
    Adopted in R88-26 at 14
    Ill. Reg. 16517,
    effective
    September 20,
    1990; amended in R90—21 at 14 Ill. Reg. 20448,
    effective December 11,
    1990; amended in R90-l3 at 15
    Ill.
    Reg.
    1562,. effective January 22,
    1991; amended in R91—3 at 16 Ill.
    Reg.
    _______,
    effective ______________________________________
    SUBPART A:
    GENERAL
    Section 611.101
    Definitions
    As used in this Part, the term:
    “Act” means the Environmental Protection Act
    (Ill. Rev.
    Stat.
    1991,
    ch.
    111½,par.
    1001
    et
    seq.
    f415
    ILCS 5/1
    et sea.1)
    “Agency” means the Illinois Environmental Protection
    Agency.
    BOARD NOTE:
    The Department of Public Health
    (“Public
    Health”) regulates non—community water supplies
    (“non—
    CWSS”,
    including non—transient, non-community water
    supplies
    (“NTNCWSs”) and transient non-community water
    supplies (“transient non—CWSs”)).
    For the purposes of
    regulation of supplies by Public Health by reference to
    this Part,
    “Agency” shall mean Public Health.
    means “inactivation ratio”.
    “Best available technology” or “BAT” means the best
    technology, treatment techniques or other means that
    USEPA has found are available for the contaminant in
    question.
    BAT is specified in Subpart F.
    BOARD NOTE:
    Derived from 40 CFR 141.2
    (199&~.).
    “Board” means the Illinois Pollution Control Board.
    “CAS No” means “Chemical Abstracts Services Number”.
    0139-0187

    10
    “CT” or “CT~”is the product of “residual disinfectant
    concentration”
    (RDC or C)
    in mg/L determined before or
    at the first customer, and the corresponding
    “disinfectant contact time”
    (T) in minutes.
    If a
    supplier applies disinfectants at more than one point
    prior to the first customer,
    it shall determine the CT
    of each disinfectant sequence before or at the first
    customer to determine the total percent inactivation or
    “total inactivation ratio”.
    In determining the total
    inactivation ratic, the supplier shall determine the
    RDC
    of each disinfection sequence and corresponding
    contact time before any subsequent disinfection
    application point(s).
    (See
    “CT999”)
    BOARD
    NOTE:
    Derived
    from
    40
    CFR
    141
    2
    (199*j).
    “CT999” is the CT value required for 99.9 percent
    (3—
    log)
    inactivation
    of
    Giardia
    lainblia
    cysts.
    CT~ for
    a
    variety of disinfectants and conditions appear in
    Tables 1.1-1.6, 2.1 and 3.1 of Section 611.Appendix B.
    (See
    “Inactivation
    Ratio”.)
    BOARD NOTE:
    Derived from the definition of “CT” in 40
    CFR 141.2
    (19942).
    “Coagulation” means a process using coagulant chemicals
    and mixing by which colloidal and suspended materials
    are destabilized and agglomerated into flocs.
    BOARD NOTE:
    Derived from 40
    CFR
    141.2
    (1994~j).
    “Community
    Water
    System” or
    “CWS”
    means a public water
    system
    (PWS) that serves at least 15 service
    connections used by year—round residents or regularly
    serves at least 25 year—round residents.
    BOARD NOTE:
    Derived from 40
    CFR
    141.2
    (199*2).
    This
    definition differs slightly from that of Section 3.05
    of the Act.
    “Compliance cycle” means the nine—year calendar year
    cycle during which public water systems (PWSs) must
    monitor.
    Each compliance cycle consists of three
    three-year compliance periods.
    The first calendar
    cycle begins January 1,
    1993, and ends December 31,
    2001;
    the
    second
    begins
    January
    1,
    2002
    and
    ends
    December 31, 2010; the third begins January
    1,
    2011,
    and ends December 31,
    2019.
    BOARD NOTE:
    Derived from 40 CFR 141.2
    (1994~Z).
    “Compliance period” means a three—year calendar year
    period within a compliance cycle.
    Each compliance
    cycle has three three—year compliance periods.
    Within
    the first compliance cycle, the first compliance period
    runs from January
    1, 1993,
    to December 31, 1995;
    the
    0139-0188

    11
    second from January 1,
    1996, to December 31,
    1998; the
    third from January
    1,
    1999,
    to December 31, 2001.
    BOARD
    NOTE:
    Derived from 40 CFR 141.2
    (19942).
    “Confluent growth” means a continuous bacterial growth
    covering the entire filtration area of a membrane
    filter or a portion thereof,
    in which bacterial
    colonies are not discrete.
    BOARD NOTE:
    Derived from 40
    CFR
    141.2
    (19942).
    “Contaminant” means any physical, chemical, biological
    or radiological substance or matter in water.
    BOARD
    NOTE:
    Derived from 40 CFR 141
    2
    (199~Z).
    “Conventional filtration treatment” means a series of
    processes including coagulation, flocculation,
    sedimentation and filtration resulting in substantial
    particulate removal.
    BOARD NOTE:
    Derived from 40
    CFR
    141.2
    (19942).
    “Diatomaceous earth filtration” means a process
    resulting in substantial particulate removal in which:
    A precoat cake of diatomaceous earth filter media
    is deposited on a support membrane (septum); and
    While the water is filtered by passing through the
    cake on the septum, additional filter media known
    as body feed is continuously added to the feed
    water to maintain the permeability of the filter
    cake.
    BOARD
    NOTE:
    Derived from 40
    CFR
    141.2
    (19942).
    “Direct filtration” means a series of processes
    including coagulation and filtration but excluding
    sedimentation resulting in substantial particulate
    removal.
    BOARD NOTE:
    Derived from 40
    CFR
    141.2
    (1994~2).
    “Disinfectant” means any oxidant, including but not
    limited to chlorine, chlorine dioxide, chloramines and
    ozone added to water in any part of the treatment or
    distribution process, that is intended to kill or
    inactivate pathogenic microorganisms.
    BOARD
    NOTE:
    Derived from 40 CFR 141.2
    (19942).
    “Disinfectant contact time” or “T” means the time in
    minutes that it takes for water to move from the point
    of disinfectant application or the previous point of
    RDC
    measurement to a point before or at the point where
    RDC
    is measured.
    0l390~89

    12
    Where only one
    RDC
    is measured, T is the time in
    minutes that it takes for water to move from the
    point of disinfectant application to a point
    before or at where
    RDC
    is measured.
    Where more than one
    RDC
    is measured, T is:
    For the first measurement of RDC, the time in
    minutes that it takes for water to move from
    the first or only point
    of
    disinfectant
    application to a point before or at the point
    where the first
    RDC
    is measured and
    For subsequent measurements of RDC, the time
    in minutes that it takes for water to move
    from the previous
    RDC
    measurement point to
    the
    RDC
    measurement point for which the
    particular T is being calculated.
    T in pipelines must be calculated based on “plug
    flow” by dividing the internal volume of the pipe
    by the maximum hourly flow rate through that pipe.
    T within mixing basins and storage reservoirs must
    be determined by tracer studies or an equivalent
    demonstration.
    BOARD NOTE:
    Derived from 40
    CFR
    141.2
    (19942).
    “Disinfection”
    means
    a process that inactivates
    pathogenic organisms in water by chemical oxidants or
    equivalent agents.
    BOARD NOTE:
    Derived from 40
    CFR
    141.2
    (19942.).
    “Distribution system” includes all points downstream of
    an “entry point” to the point of consumer ownership.
    “Domestic or other non—distribution system plumbing
    problem” means a coliform contamination problem in a
    PWS with more than one service connection that is
    limited to the specific service connection from which
    the colifora—positive sample was taken.
    BOARD NOTE:
    Derived from
    40
    CFR 141.2
    (19942).
    “Dose equivalent” means the product of the absorbed
    dose from ionizing radiation and such factors as
    account for differences in biological effectiveness due
    to the type of radiation and its distribution in the
    body as specified by the International Commission on
    Radiological Units and Measurements (ICRU).
    BOARD
    NOTE:
    Derived from 40 CFR 141.2
    (19942.).
    0139-0190

    13
    “Entry point” means a point just downstream of the
    final treatment operation,
    but upstream of the first
    user and upstream of any mixing with other water.
    If
    raw water is used without treatment, the “entry point”
    is the raw water source.
    If a PWS receives treated
    water from another PWS, the “entry point”
    is a point
    just downstream of the other PWS, but upstream of the
    first user on the receiving PWS, and upstream of any
    mixing with other water.
    “Filtration” means a process for removing particulate
    matter from water by passage through porous media.
    BOARD NOTE:
    Derived from 40 CFR 141.2
    (19942).
    “Flocculation” means a process to enhance agglomeration
    or collection of smaller floc particles into larger,
    more easily settleable particles through gentle
    stirring by hydraulic or mechanical means.
    BOARD NOTE:
    Derived from
    40
    CFR 141.2
    (19942.).
    “GC” means “gas chromatography” or “gas—liquid phase
    chromatography”.
    “GC/MS” means gas chromatography (GC) followed by mass
    spectrometry
    (MS).
    “Gross alpha particle activity” means the total
    radioactivity due to alpha particle emission as
    inferred from measurements on a dry sample.
    BOARD NOTE:
    Derived from 40
    CFR
    141.2
    (19942).
    “Gross beta particle activity” means the total
    radioactivity due to beta particle emission as inferred
    from measurements on a dry sample.
    BOARD NOTE:
    Derived from 40 CFR 141.2
    (19942).
    “Groundwater under the direct influence of surface
    water”
    is as determined in Section 611.212.
    BOARD
    NOTE:
    Derived from 40 CFR 141.2
    (19942.).
    “GWS” means “groundwater system”,
    a public water supply
    (PWS) that uses only groundwater sources.
    BOARD NOTE:
    Drawn from
    40
    CFR 141.23(b) (2)
    &
    141.24(f) (2) note
    (19942.).
    “Halogen” means one of the chemical elements chlorine,
    bromine or iodine.
    BOARD NOTE:
    Derived from 40 CFR 141.2
    (19942).
    “HPC” means “heterotrophic plate count”, measured as
    specified in Section 611.531(c).
    0139-0191

    14
    “Inactivation Ratio”
    (Ai) means:
    Al
    =
    CT~/CT999
    The
    sum
    of the inactivation ratios, or “total
    inactivation ratio”
    (B)
    is calculated by adding
    together the inactivation ratio for each
    disinfection sequence:
    B
    =
    SUM(A1)
    A total inactivation ratio equal to or greater
    than 1.0 is assumed to provide a 3-log
    inactivation of Giardia lamblia cysts.
    BOARD NOTE:
    Derived from the definition of “CT”
    in 40 CFR 141.2
    (19942).
    “Initial compliance period” means the three—year
    compliance period begins January
    1,
    1993.
    BOARD NOTE:
    Derived from 40
    CFR
    141.2
    (19942.).
    “L” means “liter”.
    “Legionella” means a genus of bacteria, some species of
    which have caused a type of pneumonia called
    Legionnaires Disease.
    BOARD NOTE:
    Derived from 40 CFR 141.2
    (19942).
    “Man—made beta particle and photon emitters” means all
    radionuclides emitting beta particles and/or photons
    listed in Maximum Permissible Body Burdens and Maximum
    Permissible Concentrations of Radionuclides in Air and
    in Water for Occupational Exposure, NCRP Report Number
    22, incorporated by reference in Section 611.102,
    except the daughter products of thorium-232, uranium-
    235 and uranium-238.
    BOARD NOTE:
    Derived from 40
    CFR
    141.2
    (19942).
    “Maximum contaminant level”
    (“MCL”) means the maximum
    permissible level of a contaminant in water that is
    delivered to any user of a public water system. See
    Section 611.121
    BOARD NOTE:
    Derived from 40 CFR 141.2
    (199+2).
    “Maximum Total Trihalomethane Potential” or “MTP” means
    the maximum concentration of total trihalomethanes
    (TTHMs) produced in a given water containing a
    disinfectant residual after
    7 days at a temperature of
    250
    C or above.
    BOARD NOTE:
    Derived from 40 CFR 141.2
    (19942.).
    0139-0192

    15
    “MFL” means millions of fibers per liter larger than 10
    micrometers.
    BOARD
    NOTE:
    Derived from 40 CFR 141.23(a) (4) (i)
    (19942).
    “mg” means milligrams (1/1000th of a gram).
    “mg/L” means milligrams per liter.
    “Mixed system” means a PWS that uses both groundwater
    and surface water sources.
    BOARD
    NOTE:
    Drawn from 40
    CFR
    141.23(b) (2) and
    141.24(f)(2)
    note
    (199+2).
    “MUG” means 4-methyl-umbelliferyl-beta-d-glucuronide.
    “Near the first service connection” means at one of the
    20 percent of all service connections in the entire
    system that are nearest the public water system
    (PWS)
    treatment facility, as measured by water transport time
    within the distribution system.
    BOARD NOTE:
    Derived from 40 CFR 141
    2
    (199+2).
    “mu” means nanometer (1/1,000,00~000thof a meter).
    “Non—community water system” or
    “NCWS”
    or “non—CWS”
    means a public water system
    (PWS) that is not a
    community water system (CWS).
    BOARD
    NOTE:
    Derived from the definition of “public
    water system” in 40 CFR 141.2
    (19942).
    “Non-transient non—community water system” or “NTNCWS”
    means a public water system
    (PWS) that is not a
    community water system
    (CWS) and that regularly serves
    at least 25 of the same persons over
    6 months per
    year.
    BOARD
    NOTE:
    Derived from 40 CFR 141.2
    (199+2).
    “NPDWR” means “national primary drinking water
    regulation”.
    “NTU” means “nephelometric turbidity units”.
    “Old MCL” means one of the inorganic maximum
    contaminant levels
    (MCL5)., codified at Section 611.300,
    or organic MCL5, codified at Section 611.310, including
    any marked as “additional state requirements.”
    BOARD NOTE:
    Old MCL5 are those derived prior to the
    implementation of the USEPA “Phase II” regulations.
    The Section 6l1.640.definition of this term, which
    applies only to Subpart 0, differs from this definition
    in that that definition does not include the Section
    611.300 inorganic MCLs.
    0139-0193

    16
    “P—A Coliform Test” means “Presence—Absence Coliform
    Test”.
    “Performance evaluation sample” means a reference
    sample provided to a laboratory for the purpose of
    demonstrating that the laboratory can successfully
    analyze the sample within limits of performance
    specified by the Agency;
    or, for bacteriological
    laboratories, Public Health;
    or, for radiological
    laboratories, the Illinois Department of Nuclear
    Safety.
    The true value of the concentration of the
    reference material is unknown to the laboratory at the
    time of the ana1ysi~.
    BOARD NOTE:
    Derived from 40 CFR 141.2
    (199+2).
    “Person” means an individual, corporation, company,
    association, partnership,
    State, unit of local
    government or federal agency.
    BOARD NOTE:
    Derived from 40
    CFR
    141.2
    (199+2).
    “Phase I” refers to that group of chemical contaminants
    and the accompanying regulations promulgated by USEPA
    on July
    8.,
    1987, at 52 Fed. Reg. 25712.
    “Phase II” refers to that group of chemical
    contaminants and the accompanying regulations
    promulgated by USEPA on January 30, 1991, at 56 Fed.
    Reg.
    3578.
    “Phase IIB” refers to that group of chemical
    contaminants and the accompanying regulations
    promulgated by USEPA on July 1,
    1991, at 56 Fed. Reg.
    30266.
    “Picocurie” or “pCi” means the quantity of radioactive
    material producing 2.22 nuclear transformations per
    minute.
    BOARD NOTE:
    Derived from 40
    CFR
    141.2
    (19942).
    “Point of disinfectant application” is the point at
    which the disinfectant is applied and downstream of
    which water is not subject to recontamination by
    surface water runoff.
    BOARD NOTE:
    Derived from 40
    CFR
    141.2
    (199+2.).
    “Point—of-entry treatment device” is a treatment device
    applied to the drinking water entering a house or
    building for the purpose of reducing contaminants in
    the drinking water distributed throughout the house or
    building.
    BOARD NOTE:
    Derived from 40 CFR 141
    2
    (199+2).
    Ol39-0I9~

    17
    “Point—of—use treatment device” is a treatment device
    applied to a single tap used for the purpose of
    reducing contaminants in drinking water at that one
    tap.
    BOARD NOTE:
    Derived from 40 CFR 141.2
    (19942.).
    “Public Health” means the Illinois Department of Public
    Health.
    BOARD
    NOTE:
    The Department of Public Health (“Public
    Health”)
    regulates non-community water supplies (“non—
    CWS5”,
    including non—transient, non—community water
    supplies (“NTNcWSs”) and transient non—community water
    supplies (“transient non-CWS5”)).
    For the purposes of
    regulation of supplies by Public Health by reference to
    this Part,
    “Agency” shall mean Public Health.
    “Public water system” or “PWS” means a system for the
    provision to the public of piped water for human
    consumption,
    if such system has at least fifteen
    service connections or regularly serves an average of
    at least 25 individuals daily at least 60 days out of
    the year. A PWS is either a community water system
    (CWS)
    or a non—community water system (non—CWS).
    Such
    term includes:
    Any
    collection, treatment, storage and
    distribution facilities under control of the
    operator of such system and used primarily in
    connection with such system, and;
    Any collection or pretreatment storage facilities
    not under such control that are used primarily in
    connection with such system.
    BOARD NOTE:
    Derived from 40 CFR 141.2
    (19942.).
    “Reliably and consistently” below a specified level for
    a contaminant means an Agency determination based on
    analytical results following the initial detection of a
    contaminant to determine the qualitative condition of
    water from an individual sampling point or source.
    The
    Agency shall base this determination on the consis~ency
    of analytical results, the degree below the MCL,
    te
    susceptibility of source water to variation, and other
    vulnerability factors pertinent to the contaminant
    detected that may influence the quality of water.
    BOARD NOTE:
    Derived from 40
    CFR
    141.23(b) (9),
    141.24(f) (11) (ii),
    and 141.24(f)(11)(iii)
    (199+2).
    “Rem” means the unit of dose equivalent from ionizing
    radiation to the total body or any internal organ or
    organ system.
    A “millirem
    (mrem)”
    is 1/1000 of a rem.
    BOARD
    NOTE:
    Derived from 40 CFR 141.2
    (199+2).
    0139-0195

    18
    “Repeat compliance period” means a compliance period
    that begins after the initial compliance period.
    BOARD NOTE:
    Derived from 40 CFR 141.2
    (199+2.).
    “Representative” means that a sample must reflect the
    quality of water that is delivered to consumers under
    conditions when all sources required to supply water
    under normal conditions are in use and all treatment is
    properly operating.
    “Residual disinfectant concentration”
    (“RDC”
    or “C” in
    CT calculations) means the concentration of
    disinfectant measured in mg/L in a representative
    sample of water.
    For purposes of the requirement of
    Section 611.241(d)
    of maintaining a detectable
    RDC
    in
    the distribution system,
    “RDC” means a residual of free
    or combined chlorine.
    BOARD
    NOTE:
    Derived from 40
    CFR
    141.2
    (199+2).
    “SDWA” means the Public Health Service Act, as amended
    by the Safe Drinking Water Act,
    Pub.
    L.
    93—523,
    42
    U.S.C.
    300f et seq.
    BOARD NOTE:
    Derived from 40 CFR 141.2
    (199+2).
    “Sanitary survey” means an onsite review of the water
    source, facilities, equipment, operation and
    maintenance of a public water system
    (PWS)
    for the
    purpose of evaluating the adequacy of such source,
    facilities,
    equipment, operation and maintenance for
    producing and distributing safe drinking water.
    BOARD NOTE:
    Derived from 40
    CFR
    141.2
    (199+2.).
    “Sedimentation” means a process for removal of solids
    before filtration by gravity or separation.
    BOARD NOTE:
    Derived from 40 CFR 141.2
    (199+2).
    “SEP” means special exception permit
    (Section 611.110).
    “Slow sand filtration” means a process involving
    passage of raw water through a bed of sand at low
    velocity (generally less than 0.4 meters per hour
    (m/h)) resulting in substantial particulate removal by
    physical and biological mechanisms.
    BOARD
    NOTE:
    Derived from 40 CFR 141.2
    (199+2).
    “SOC” or “Synthetic organic chemical contaminant”
    refers to that group of contaminants designated as
    “SOCs”, or “synthetic organic chemicals” or “synthetic
    organic contaminants”,
    in USEPA regulatory discussions
    and guidance documents.
    “SOCs” include alachlor,
    atrazine, carbofuran, chlordane, dibromoethylene
    (ethylene dibromide or EDB), dibromochloropropane
    0139-0 196

    19
    (DBCP),
    heptachlor, heptachlor epoxide,
    lindane,
    methoxychior, toxaphene, polychlorinated biphenyls
    (PCBs),
    2,4—D, and 2,4,5—PP.
    “Source” means a well, reservoir,
    or other source of
    raw water.
    “Standard sample” means the aliquot of finished
    drinking water that is examined for the presence of
    coliform bacteria.
    BOARD NOTE:
    Derived from 40 CFR 141
    2
    (19942).
    “Supplier of water” or “supplier” means any person who
    owns or operates a public water system
    (PWS).
    This
    term
    includes the “official custodian”.
    BOARD NOTE:
    Derived from 40 CFR 141.2
    (199+2).
    “Surface water” means all water that is open to the
    atmosphere and subject to surface runoff.
    BOARD
    NOTE:
    Derived from 40
    CFR
    141.2
    (199+2.).
    “SWS” means “surface water system”, a public water
    supply
    (PWS) that uses only surface water sources,
    including “groundwater under the direct influence of
    surface water”.
    BOARD
    NOTE:
    Drawn from 40 CFR 141.23(b) (2) and
    141.24(f)(2) note
    (199+2).
    “System with a single service connection” means a
    system that supplies drinking water to consumers via a
    single service line.
    BOARD NOTE:
    Derived from 40 CFR 141.2
    (19942).
    “Too numerous to count” means that the total number of
    bacterial colonies exceeds 200 on a
    47—nun
    diameter
    membrane filter used for coliform detection.
    BOARD
    NOTE:
    Derived from 40 CFR 141.2
    (199+2).
    “Total trihalomethanes” or “TTHM” means the sum of the
    concentration of trihalomethanes
    (THUs), in milligrams
    per liter
    (mg/L), rounded to two significant figures.
    BOARD NOTE:
    Derived from the definition of “total
    trihalomethanes” in 40
    CFR
    141.2
    (199+2.)
    .
    See the
    definition of THUs for a listing of the four compounds
    that USEPA considers
    TTHM5
    to comprise.
    “Transient, non—community water system” or “transient
    non—CWS” or “TNCWS” means a public water system
    (PWS)
    that is neither a community water system
    (!~CWS~)
    nor a
    non—transient, noncommunity water system
    (.!!.NTNCWS!’J.
    BOARD
    NOTE:
    The federal regulations apply to all
    “public water systems”, which are defined as all
    0139-0197

    20
    systems having at least 15 service connections or
    regularly serving water to at least 25 persons.
    See 42
    U.S.C.
    S300f(4).
    The Act mandates that the Board and
    the Agency regulate “public water supplies”, which it
    defines as having at least 15 service connections or
    regularly serving 25 persons daily at least 60 days per
    year.
    See Ill. Rev.
    Stat.
    1991 ch.
    111½, par. 1003.28
    1415 ILCS 5/3.28.
    The Department of Public Health
    regulates transient non—community water systems.
    “Treatment” means any process that changes the
    physical, chemical, microbiological, or radiological
    properties of water,
    is under the control of the
    supplier, and is not a “point of use” or “point of
    entry treatment device” as defined in this Section.
    “Treatment” includes, but is not limited to aeration,
    coagulation, sedimentation, filtration, activated
    carbon treatment, disinfection, and fluoridation.
    “Trihalomethane” or “THM” means one of the family of
    organic compounds, named as derivatives of methane,
    in
    which three of.the four hydrogen atoms in methane are
    each substituted by a halogen atom in the molecular
    structure.
    The THUs are:
    Trichloromethane (chloroform),
    Dibromochloromethane,
    Bromodichloromethane and
    Tribromomethane
    (bromoform)
    BOARD NOTE:
    Derived from the definitions of
    “total trihalomethanes” and “trihalomethanes” in
    40 CFR 141.2
    (199+2).
    “pg” means micrograms
    (1/1, 000,000th of a gram).
    “USEPA” means the U.S. Environmental Protection Agency.
    “Virus” means a virus of fecal origin that is
    infectious to humans by waterborne transmission.
    “VOC” or “volatile organic chemical contaminant” refers
    to that group of contaminants designated as “VOCs”, or
    “volatile organic chemicals” or “volatile organic
    contaminants”, in USEPA regulatory discussions and
    guidance documents.
    “VOC5” include benzene,
    tetrachloromethane (carbon tetrachloride),
    trichloroethylene, vinyl chloride,
    1,1,1-trichloroethane (methyl chloroform), 1,1-di-
    0139-0 198

    21
    chloroethylene,
    1, 2-dichioroethane,
    cis-1,2-dichloro—
    ethylene, ethylbenzene, monochlorobenzene,
    o—dichloro—
    benzene,
    styrene, tetrachloroethylene, toluene, trans-
    1,2-dichloroethylene, xylene, and 1,2-dichloropropane.
    BOARD NOTE:
    Derived from 40 CFR 141.2
    (19942).
    “Waterborne disease outbreak” means the significant
    occurrence of acute infectious illness,
    epidemiologically associated with the ingestion of
    water from a public water system
    (PWS)
    that is
    deficient in treatment, as determined by the
    appropriate local or State agency.
    BOARD
    NOTE:
    Derived from 40 CFR 141
    2
    (19.9+2.).
    “Wellhead Protection Program” means the wellhead
    protection program for the State of Illinois, approved
    by USEPA under Section 1428 of the SDWA.
    BOARD
    NOTE:
    Derived from 40
    CFR
    141.71(b)
    (19942).
    The welihead protection program will include the
    “groundwater protection needs assessment” under Section
    17.1 of the Act, and regulations to be adopted in 35
    Ill. Adm. Code 615 et seq.
    (Source:
    Amended at 16 Ill. Reg.
    ,
    effective
    Section 611.102
    Incorporations by Reference
    a)
    Abbreviations.
    The following abbreviated names are
    used in this Part to refer to materials incorporated by
    reference:
    “Atomic Absor~tion—P1atformFurnace Method” or
    “AA—Platform Furnace Method” means “Determination
    of Trace Elements by Stabilized Temperature
    Graphite Furnace Atomic Absorption Spectrometry
    ——
    Method 200.9”
    “AEPA-l Polymer” is available from Advanced
    Polymer Systems.
    “Asbestos Methods” means “Analytical Method for
    Determination of Asbestos Fibers in Water”,
    available from
    NTIS.
    “ASTM”
    means American Society for Testing and
    Materials
    “USEPA Inorganic Methods” means “Methods for
    Chemical Analysis of Water and Wastes”, available
    from NTIS and
    ORD
    Publications.
    0139-0 199

    22
    “USEPA Organic Methods” means “Methods for the
    Determination of Organic Compounds in Drinking
    Water”. available from
    NTIS.
    “Indigo method” is as described in “Standard
    Methods”, 17th Edition, Method 4500-03 B.
    “Inductively Coupled Plasma—Mass Spectrometrv
    Method” or “ICP—MS Method” means “Determination of
    Trace Elements in Water and Wastes bY Inductively-
    Coupled Plasma—Mass Soectrometrv
    ——
    Method 200.8”
    “Inductively Coupled Plasma Method 200.7” or “IC?
    Method 200.7” means “Inductively Coupled Plasma-
    Atomic Emission Spectrometric Method for Trace
    Element Analysis in Water and Wastes
    —-
    Method
    200.7, with appendix”
    See 40 CFR 136, Appendix C.
    “Inductively Coupled Plasma Method 200.7, Rev.
    3.2” or “IC? Method 200.7. Rev. 3.2” means
    “Determination of Metals and Trace Elements in
    Water and Wastes by Inductively Cou~1edPlasma-
    Atomic Emission S~ectrometry
    --
    Method 200.7.
    Revision 3.2”
    See 40
    CFR
    136
    Appendix C.
    “Inorganioflethodo”mcanaMHcthod3 for Chomical
    and
    01W
    Publicati
    “Ion Chromatography Method 300.0” means
    “Determination of Inorganic Ions in Water by Ion
    Chromatography
    —-
    Method 300.0”
    “Microbiological Methods” means “Microbiological
    Methods for Monitoring the Environment, Water and
    Wastes”, available from NTIS.
    “MMO—MUG
    Test” means “minimal medium ortho—
    nitrophenyl-beta-d-galactopyranoside-4-methyl-
    umbelliferyl-beta-d-4lucuronide test”, available
    from Environetics,
    Inc.
    “NCR?”
    means
    “National
    Council
    on
    Radiation
    Protection”.
    “NTIS” means “National Technical Information
    Service”.
    “Orcsnnin
    M~thpdp”
    acano “Methodo for the
    ucterminacion of Organic Compounds in Drinking
    Water”,
    available
    from
    NTIS.
    0 139-0200

    23
    “Radiochemical Methods” means “Interim
    Radiochemical Methodology for Drinking Water”,
    available from NTIS.
    “Standard Methods”, means “Standard Methods for
    the Examination of Water and Wastewater”,
    available from the American Waterworks
    Association.
    “Technicon Methods” means “Fluoride in Water and
    Wastewater”, available from Technicon.
    “USGS Method” means “United States Geological
    Survey Method”
    b)
    The Board incorporates the following publications by
    reference:
    Access Analytical Systems,
    Inc.,
    See Environetics,
    Inc.
    ASTU.
    American Society for Testing and Materials,
    1976 Race Street, Philadelphia, PA
    19103
    215/299—5585:
    ASTM
    Method D511—88A and B. “Standard Test
    Methods for Calcium and Magnesium in Water”.
    approved 1988.
    ASTM
    Method D515-88A. “Standard Test Methods
    for Phosphorus in Water”. a~~roved1988.
    ASTU Method D858-88, “Standard Test Methods
    for Manganese in Water”, approved August 19,
    1988.
    ASTI4
    Method D859-88. Standard Test Method for
    Silica in Water”. approved 1988.
    ASTM
    Method 1067-885. “Standard Test Methods
    for Acidity or Alkalinity in Water”. a~oroved
    1988).
    ASTM
    Method D1125-82B.
    “Standard Test Methods
    for Electrical Conductivity and Resistivity
    of
    Water”.
    approved
    October 29
    1982.
    ASTM
    Method D1179-72A or B “Standard Test
    Methods for Fluoride in Water”, approved July
    28,
    1972, reapproved 1978.
    ASTU Method D1293-84B “Standard Test Methods
    01390201

    24
    for ~H of Water”. approved October 26.
    1984.
    ASTM Method
    D1428-64,
    “Standard Test Methods
    for Sodium and Potassium in Water and Water-
    Formed Deposits by Flame Photometry”,
    approved August 31,
    1964, reapproved 1977.
    ASTM
    Method D1688-84-DIQA or
    ~,
    “Standard
    Test Methods for Copper in Water”, approved
    November 30, 1964~.
    ASTU Method D1889-88a,
    “Standard Test Method
    for Turbidity of Water”, approved June 24,
    1988.
    ASTM
    Method D2459-72,
    “Standard Test Method
    for Gamma Spectrometry in Water,” 1975,
    reapproved 1981,
    discontinued 1988.
    ASTM
    Method D2907-83,
    “Standard Test Methods.
    for Microquantities of Uranium in Water by
    Fluorometry”, approved May 27,
    1983.
    ASTM
    Method
    D2972-88A or
    B, “Standard Test
    Methods for Arsenic in Water”.
    ASTM
    Method D3223-86,
    “Standard Test Method
    for
    Total
    Mercury
    in
    Water”,
    approved
    February 28,
    1986.
    ASTM
    Method D3559-78A or ~
    “Standard Test
    Methods for Lead in Water”, approved July 28,
    19~8~.
    ASTM
    Method D3859-88, “Standard Test Methods
    for Selenium in Water”, approved June 24,
    1988.
    ASTM
    Method
    D3867-90, “Standard Test Methods
    for Nitrite—Nitrate in Water”, approved
    January 10,
    1990.
    ASTM
    Method
    4327-88. “Standard Test Method
    for Anions in Water by Ion Chromatoaraphv”.
    approved 1988.
    American Waterworks Association et al.,
    6666 West
    Quincy Ave.,
    Denver, Co
    80235
    (303)
    794—7711:
    Standard Methods for the Examination of Water
    and Wastewater,
    13th Edition,
    1971.
    0139-0202

    25
    Method 302, Gross Alpha and Gross Beta
    Radioactivity in Water
    (Total, Suspended
    and Dissolved).
    Method 303, Total Radioactive Strontium
    and Strontium 90 in Water.
    Method 304, Radium in Water by
    Precipitation.
    Method 305, Radium 226 by Radon in Water
    (Soluble, Suspended and Total).
    Method 306, Trititun in Water.
    Standard Methods for the Examination of Water
    and Wastewater,
    14th Edition,
    1976.
    Method 214A, Turbidity, Nephelometric
    Method
    --
    Nephelometric Turbidity Units.
    Mcthod
    301).
    II, Dctcrmination of
    Cadmium,
    etc. by Direct Aspiration into
    an Air-Aoctylcn~Flame.
    Mcthod
    301). III, Determination of
    Low
    Conoentratiena of Cadmium,
    etc. by
    Chelation with Aiimonium Pyrrolidine
    Dithiooarbamatc, and Extraotion into
    Icobutyl Kotone.
    Methods 320 and 320A,
    Sodium, Flame
    Photometric Method.
    Method 412D, Cyanide, Colorimetric
    Method.
    Standard Methods for the Examination of Water
    and Wastewater,
    16th Edition,
    1985.
    Method 212, Temperature.
    Method 303A, Determination of Antimony,
    etc. by Direct Aspiration into an Air-
    Acetylene Flame.
    Method 303B, Determination of Low
    Conoentrationo of Cadmium, otr~~by
    Chelation with
    Ammonium
    Pi”ri-riiiri
    0~
    Dithiooarbama~
    into netnyk Iaobutyl icetonc
    0•1
    39-0203
    ~2~.PDC)
    and Extraction
    --
    ..~MIBK).

    26
    Method 303C, Determination of Aluminum,
    etc., by Direct Aspiration into a
    Nitrous Oxide-Acetylene Flame.
    Method 303E, Determination of Arsenic
    and Selenium by Conversion to Their
    Hydrides by Sodium Borohydride Reagent
    and Aspiration into an Atomic
    Absorption
    Atomizer.
    Method 303F, Determination of Mercury by
    the
    Cold Vapor Technique.
    Method 304, Determination of Micro
    Quantities of Aluminum,
    etc. by
    Electrothermal Atomic Absorption
    Spectrometry.
    Method 307A, Arsenic, Atomic Absorption
    Spectrophotometric Method.
    Method 307B, Arsenic, Silver Diethyldi-
    thiocarbamate Method.
    Method 408C, Chlorine (Residual),
    Amperometric Titration Method.
    Method 408D, Chlorine (Residual), DPD
    Ferrous Titrimetric Method.
    Method 408E, Chlorine (Residual), DPD
    Colorimetric Method.
    Method 408F, Chlorine (Residual), Leuco
    Crystal Violet Method.
    Method
    4lOB, Chlorine Dioxide,
    Amperometric Method.
    Method 4lOC, Chlorine Dioxide, DPD
    Method (Tentative).
    Method 412D, Cyanide, Colorimetric
    Method
    Method 413A, Fluoride, Preliminary
    Distillation Step.
    Method 4l3B, Fluoride, Electrode Method.
    Method 4l3C, Fluoride,
    SPADNS Method.
    0139-0204

    27
    Method
    4l3E,
    Fluoride,
    Complexone
    Method.
    Method 418C, Nitrogen
    (Nitrate),
    Cadmium
    Reduction Method.
    Method 418F, Nitrogen
    (Nitrate),
    Automated Cadmium Reduction Method.
    Method 423, pH Value.
    Method 9O7A, Pour Plate Method.
    Method
    908,
    Multiple
    Tube
    Fermentation
    Technique for Members of the Coliform
    Group.
    Method 908A, Standard Coliform Multiple-
    Tube
    (MPN)
    Tests.
    Method 908B, Application of Tests to
    Routine Examinations.
    Method 908C, Fecal Coliform
    MPN
    Procedure.
    Method 908D, Estimation of Bacterial
    Density.
    Method 908E, Presence-Absence
    (P-A)
    Coliform Test (Tentative).
    Method 909, Membrane Filter Technique
    for Members of the Coliform Group.
    Method 909A,
    Standard Total Coliform
    Membrane Filter Procedure.
    Method 909B, Delayed Incubation
    Total
    Coliform Procedure.
    Method 909C, Fecal Coliform Membrane
    Filter Procedure.
    Standard Methods for the Examination of Water
    and Wastewater, 17th Edition,
    1989.
    Method 2320. Alkalinity.
    Method 2510.
    Conductivity.
    Method 2550, Temperature.
    0139-0205

    28
    Method 3111 5. Metals by Atomic
    Absorption
    Spectrometrv. Direct Air-
    Acetylene Flame Method.
    Method 3113. Metals by Electrothermal
    Atomic Absorption Spectrometry.
    Method 3120. Metals by Plasma Emission
    S~ectrosco~y.
    Method 3500-Ca D. Calcium. EDTA
    Titri~aetricMethod
    Method 4110. Determination of Anions by
    Ion Chromatography.
    Method 4500-H’. pH
    Value.
    Method 4500-03, Ozone
    (Residual), Indigo
    Colorimetric Method (Proposed)~.
    Method 4500-P F.
    Phosphorus. Automated
    Ascorbic Acid Reducion
    Method.
    Method 4500—Si D.
    Silica. Molybdosili-
    cate Method.
    Method 4500-Si
    E.
    Silica. Heteropoly
    Blue Method.
    Method 4500-Si F.
    Silica, Automated
    method for Molybdate-Reactive Silica.
    Advanced Polymer Systems,
    3696 Haven Avenue,
    Redwood City,
    CA
    94063
    415/ 366—2626:
    AEPA-1 Polymer.
    See 40 CFR 141.22(a).
    Also,
    as referenced in ASTM D1889.
    Environetics,
    Inc.,
    21 Business Park Drive,
    Branford, CT
    06405
    800/321—0207:
    MMO-MUG tests:
    Colilert P/A or Colilert MPN.
    ERDA
    Health and Safety Laboratory, New York,
    NY:
    HASL
    Procedure Manual,
    HASL
    300,
    1973.
    See
    40
    CFR
    141.25(b)
    (2).
    Millipore Corporation, Waters Chromatography
    Division,
    34 Maple St., Milford, MA
    01757
    0139-0206

    29
    800/252—4752:
    Waters Test Method for the Determination of
    Nitrite/Nitrate in Water Using Single Column
    Ion Chromatography, Method B-lOll.
    NCR?.
    National Council on Radiation Protection,
    7910 Woodmont Ave., Bethesda, MD
    (301)
    657-2652:
    “Maximum Permissible Body Burdens and Maximum
    Permissible Concentrations of Radionuclides
    in Air and in Water for Occupational
    Exposure”, NCR? Report Number 22, June 5,
    1959.
    NTIS.
    National Technical Information Service,
    5285 Port Royal Road,
    Springfield, VA
    22161
    (703) 487—4600 or
    (800)
    336—4700:
    Analytical
    Method for Determination of
    Asbestos Fibers in Water, EPA—600/4-83—043,
    September,
    1983, Doc.
    No. PB83—260471.
    “Methods of for Chemical Analysis of Water
    and Wastes”,
    J. Kopp and D. McGee, Third
    Edition, March,
    1979.
    EPA—600/4—79—020,
    Doc. No. PB84—297686.
    “Methods for Chemical Analysis of Water and
    Wastes”, March,
    1983,
    Doc. No. PB84—128677,
    for all methods referenced except methods
    180.1
    (turbidity, Section 611.560) and 273.1
    and 273.2
    (sodium, Section 611.630).
    “Methods for Chemical Analysis of Water and
    Wastes”,
    March,
    1979,
    Doc. No. PB84—128677,
    only for methods 180.1 (turbidity, Section
    611.560) and 273.1 and 273.2
    (sodium, Section
    611.630).
    “Methods for the Determination of Organic
    Compounds in Drinking Water”, EPA/600/4-
    88/039, September,
    1986, Doc.
    No. PB89—
    220461.
    (For the purposes of Section 611.647
    only.)
    “Methods for the Determination of Organic
    Compounds in Drinking Water”, EPA/600/4-
    88/039, December,
    1988,
    Doc.
    No. PB89—220461.
    (For the purposes of Sections 611.646 and
    611.648 only;
    including Method 515.1,
    revision 5.0 and Method 525.1, revision 3.0
    0139-0207

    30
    (May,
    1991).)
    “Microbiological Methods for Monitoring the
    Environment:
    Water and Wastes”,
    R. Bodner
    and J. Winter,
    1978.
    EPA—600/8—78—017,
    Doc.
    No. PB290—329/LP.
    “Procedures for Radiochemical Analysis of
    Nuclear Reactor Aqueous Solutions”,
    H.L.
    Krieger and S.
    Gold,
    EPA-R4-73-014, May,
    1973,
    Doc. No. PB222—154/78A.
    01W Publications, CERI,
    EPA, Cincinnati, OH 45268:
    “Methods for Chemical Analysis of Water and
    Wastes”, March,
    1983,
    (EPA—600/4—79—020), for
    all methods referenced except methods 180.1
    (turbidity, Section 611.560) and 273.1 and
    273.2
    (sodium, Section 611.630).
    “Methods for Chemical Analysis of Water and
    Wastes”, March,
    1979,
    (EPA—600/4—79—020),
    only for methods 180.1
    (turbidity, Section
    611.560) and 273.1 and 273.2
    (sodium, Section
    611.630).
    Orion Research,
    Inc., 529 Main St.,
    Boston, MA
    02129
    800/225—1480:
    Orion Guide to Water and Wastewater Analysis,
    Form WeWWG/5880,
    p.
    5.
    Technicon Industrial Systems, Tarrytown,
    NY
    10591:
    “Fluoride in Water and Wastewater”,
    Industrial Method #129-71W, December,
    1972
    See 40
    CFR
    141.23(f) (10),
    footnotes 6 and 7.
    “Fluoride in Water and Wastewater”, #380—
    75WE, February,
    1976.
    See 40
    CFR
    141.23(f) (10),
    footnotes 6 and 7.
    United States Environmental Protection Agency,
    EMSL,
    EPA, Cincinnati, OH 45268:
    “The Analysis of Trihalomethanes in Drinking
    Waters by the Purge and Trap Method”, Method
    501.1.
    See 40 CFR 141, Subpart
    C, Appendix
    C.
    “The Analysis of Trihalomethanes in Drinking
    0139-0208

    31
    Water
    by
    Liquid/Liquid
    Extraction,”
    Method
    501.2.
    See 40 CFR 141, Subpart C, Appendix
    C.
    “Inductively Coupled Plasma—Atomic Emission
    Spectrometric Method for Trace Element
    Analysis in Water and Wastes
    ——
    Method 200.7,
    with Appendix to Method 200.7” entitled,
    “Inductively Coupled Plasma-Atomic Emission
    Analysis of Drinking Water”
    (Appendix
    200.7A), March 1987 (EPA/600/4—9l/0l0).
    See
    40
    CFR
    136, Appendix C.
    “Interim Radiochemical Methodology for
    Drinking Water”, EPA—600/4—75-008
    (Revised)
    March,
    1976.
    “Methods for the Determination of Organic
    Compounds in Drinking Water”.
    See NTIS.
    “Methods of for Chemical Analysis of Water
    and Wastes”.
    See NTIS and 01W Publications.
    Microbiological Methods for Monitoring the
    Environment, Water and Wastes”.
    See NTIS
    “Procedures for Radiochemical Analysis of
    Nuclear Reactor Aqueous Solutions”.
    See
    NTIS.
    United States Environmental Protection Agency,
    Science and Technology Branch, Criteria and
    Standards Division, Office of Drinking Water,
    Washington D.C.
    20460:
    “Guidance Manual for Compliance with the
    Filtration and Disinfection Requirements for
    Public Water Systems using Surface
    Water
    Sources”, October,
    1989.
    USGS.
    United States Geological survey,
    1961 Stout
    St.,
    Denver,
    CO
    80294
    303/844—4169:
    Techniques of Water—Resources Investigation
    of the United States Geological Survey:
    Book 5, Chapter A-i, “Methods for
    Determination of Inorganic Substances in
    Water and Fluvial Sediments”,
    3d ed.,
    Open-File Report 85—495,
    1989.
    C)
    The Board incorporates the following federal
    0139-0209

    32
    regulations by reference:
    40 CFR 136, Appendix B and C (19942).
    40 CFR 141.22(a)
    (19942).
    40 CFR 141.23(f) (10), footnotes
    6 and 7
    (19942).
    40 CFR 141.24(e), footnote
    6
    (19942).
    40 CFR 141.25(b)(2)
    (19942j.
    40 CFR 141, Subpart C, Appendix C (19932).
    40 CFR 142, Subpart G (19942).
    d)
    This Part incorporates no future amendments or
    editions.
    (Source:
    Amended at 16 Ill.
    Reg.
    __________,
    effective
    __________
    ____________________________________
    )
    Section 611.110
    Special Exception Permits
    a)
    Unless otherwise specified, each Agency determination
    in this Part is to be made by way of a written permit
    pursuant to Section 39(a) of
    the
    Act.
    Such permit is
    titled a “special exception” permit (“SEP”).
    b)
    No person shall cause or allow the violation of any
    condition of a —SEP.
    c)
    The supplier may appeal the denial of or the conditions
    of a —SEP to the Board pursuant to Section 40 of the
    Act.
    d)
    A SEP may be initiated either:
    1)
    By an application filed by the supplier; or
    2)
    By the Agency, when authorized by Board
    regulations.
    BOARD
    NOTE:
    The Board does not intend to mandate
    by any provision of this Part that the Agency
    exercise its discretion and initiate a SEP
    pursuant to subsection
    (d) (2).
    Rather, the Board
    intends to clarify by this subsection that the
    Agency may opt to initiate a SEP without receiving
    a request from the supplier.
    e)
    The Agency shall evaluate a request for a SEP from the
    0139-0210

    34
    etc.); and
    F)
    For Phase
    I VOC5 and Phase II VOC5 (pursuant
    to Section 611.646):
    the number of persons
    served by the PWS and the proximity of a
    smaller system to a larger one.
    ~j
    If a supplier refuses to provide any necessary
    additional
    information
    reauested
    by
    the Agency. or if a
    supplier delivers any necessary information late in the
    Agency’s deliberations on a reauest.
    the
    Agency may
    deny the requested §EP or arant
    the
    SEP
    with conditions
    within the time allowed by law.
    BOARD
    NOTE:
    Subsection
    (e) derived from 40 CFR
    141.24(f) (8) and (h)(6)
    (1992).
    Subsection
    (f) derived
    from 40 CFR 141.82(d) (2). and 141.83(b)(2)
    (19942)._
    USEPA
    has
    reserved
    the
    discretion,
    at
    40
    CFR
    142,18
    (1992). to review and nullify Agency determinations of
    ~he types made pursuant to Sections 611.510.
    611.602.
    611.603.
    611,646. and 611.648 and the discretion, at 40
    cFR 141.82(i). 141.(b)(7).
    and 142.19
    (1992). to
    establish federal standards for any supplier.
    superseding any Aaencv determination made pursuant to
    Sections 611.352(d).
    611.352(f).
    611.353(b) (2). and
    611.353(b) (4).
    (Source:
    Amended at 16 Ill. Reg.
    __________,
    effective
    __________
    _________________________________)
    Section 611.111
    Section 1415 Variances
    This Section is intended as a State equivalent of Section
    1415(a) (I) (A) of the SDWA.
    a)
    The
    Board
    may
    grant
    a
    supplier
    a variance from a NPDWR
    in this Part.
    1)
    The supplier shall file a variance petition
    pursuant to 35 Ill. Adm. Code 104, except as
    modified or supplemented by this Section.
    2)
    The Board may grant a variance from the additional
    State requirements in this Part without following
    this Section.
    b)
    As part of the showing of arbitrary or unreasonable
    hardship, the supplier shall demonstrate that:
    1)
    Because of characteristics of the raw water
    sources that are reasonably available to the
    system,
    the
    supplier
    cannot
    meet
    the
    MCL
    or
    other
    0 139-0212

    33
    monitoring requirements of Section 611.646(e) and
    (f)
    (Phase I VOCs and Phase II VOC5), Section 611.648(a)
    (for Phase II SOCs)
    and Section 611.510(a)
    (for
    unregulated organic contaminants) on the basis of
    knowledge of previous use (including transport,
    storage, or disposal) of the contaminant in the
    watershed or zone of influence of the system, as
    determined pursuant to 35 Ill. Ada. Code 671:
    1)
    If the Agency determines that there was no prior
    use of the contaminant,
    it shall grant the SEP, or
    2)
    If the contaminant was previously used or the
    previous use was unknown, the Agency shall
    consider the following factors:
    A)
    Previous analytical results;
    B)
    The proximity of the system to any possible
    point source of contamination (including
    spills or leaks at or near a water treatment
    facility; at manufacturing, distribution, or
    storage facilities; from hazardous and
    municipal waste land fills; or from waste
    handling or treatment facilities) or non-
    point source of contamination (including the
    use of pesticides and other land application
    uses of the contaminant);
    C)
    The environmental persistence and transport
    of the contaminant;
    D)
    How well the water source is protected
    against contamination, including whether it
    is a SWS or a GWS:
    i)
    A GWS must consider well depth,
    soil
    type,
    and well casing integrity, and
    ii)
    A SWS must consider watershed
    protection; and
    E)
    For Phase II SOC5 and unregulated organic
    contaminants (pursuant to Section 611.631 or
    611.648):
    i)
    Elevated nitrate levels at the water
    source; and
    ii)
    The use of PCB5 in equipment used in the
    production,
    storage, or distribution of
    water
    (including pumps, transformers,
    0139-0211

    35
    requirement; and
    2)
    The system has applied BAT as identified in
    Subpart G.
    BAT may vary depending on:
    A)
    The number of persons served
    by
    the
    system;
    B)
    Physical conditions related to engineering
    feasibility; and
    C)
    Costs of compliance; and
    3)
    The variance will not result in an unreasonable
    risk to health, as defined in subsection
    (g).
    C)
    The Board will prescribe a schedule for:
    1)
    Compliance,
    including increments of progress, by
    the supplier, with each MCL or other requirement
    with respect to which the variance was granted,
    and
    2)
    Implementation by the supplier of each additional
    control measure for each MCL or other requirement,
    during the period ending on the date compliance
    with such requirement is required.
    d)
    A schedule of compliance will require compliance with
    each MCL or other requirement with respect to which the
    variance was granted as expeditiously as practicable.
    e)
    The Board will provide notice and opportunity for a
    public hearing as provided in 35 Ill. Ada. Code 104.
    f)
    The Board will not grant a variance:
    1)
    From the MCL for total coliforms; provided,
    however, that the Board may grant a variance from
    the total coliform MCL of Section 611.325 for PWSs
    that demonstrate that the violation of the total
    coliform MCL is due to persistent growth of total
    coliforms in the distribution system, rather than
    from fecal or pathogenic contamination, from a
    treatment lapse or deficiency, or from a problem
    in the operation or maintenance of the
    distribution system.
    2)
    Or,
    from any of the treatment technique
    requirements of Subpart B.
    g)
    As used in this Section and Section 611. 112,
    “unreasonable risk to health level”
    (“URTH level”)
    0139-0213

    36
    means the concentration of a contaminant that will
    cause a serious health effect within the period of time
    specified in the variance or exemption requested by a
    supplier seeking to come into compliance by installing
    the treatment required to reduce the contaminant to the
    MCL.
    URTH level determinations are made on the basis
    of the individual contaminant, taking into account:
    the degree by which the level exceeds the MCL; duration
    of exposure; historical data; and population exposed.
    A risk to health is assumed to be unreasonable unless
    the supplier demonstrates that there are costs involved
    that clearly exceed the health benefits to be derived.
    hi
    The provisions of Section 611.130 apPly to
    determinations made pursuant to this subsection.
    BOARD NOTE:
    Derived from 40 CFR 141,4
    (19942), from
    Section 1415(a) (1) (A) of the SDWA and from the
    “Guidance Manual for Compliance with the Filtration and
    Disinfection Requirements for Public Water Systems
    using Surface Water Sources”, incorporated by reference
    in Section 611.102.
    USEPA has reserved the discretion
    to review and modify or nullify Board determinations
    made pursuant to this Section at 40 CFR 14223
    (1992).
    (Source:
    Amended at 16 Ill. Reg.
    19010, effective December 1,
    1992)
    Section 611.112
    Section 1416 Variances
    This Section is intended as a State equivalent of Section 1416 of
    the SDWA.
    a)
    The Board may grant a supplier a variance from any
    requirement respecting an MCL or treatment technique
    requirement of an NPDWR in this Part.
    1)
    The supplier shall file a variance petition
    pursuant to 35 Ill. Ada. Code 104, except as
    modified or supplemented by this Section.
    2)
    The Board may grant a variance from the additional
    State requirements in this Part without following
    this Section.
    b)
    As part of the showing of arbitrary or unreasonable
    hardship, the supplier shall demonstrate that:
    1)
    Due to compelling factors
    (which may include
    economic factors), the supplier is unable to
    comply with the MCL or treatment technique
    requirement;
    0139-O21~4

    37
    2)
    The supplier was:
    A)
    In operation on the effective date of the M~L
    or treatment technique requirement; or
    B)
    Not in operation on the effective date of the
    MCL or treatment technique requirement and no
    reasonable alternative source of drinking
    water is available to the supplier; and
    3)
    The variance will not result in an unreasonable
    risk to health.
    C)
    The Board will prescribe a schedule for:
    1)
    Compliance,
    including increments of progress, by
    the supplier, with each MCL and treatment
    technique requirement with respect to which the
    variance was granted; and
    2)
    Implementation by the supplier, during the period
    ending on the date when compliance is required, of
    each additional control measure for each
    contaminant subject to the MCL or treatment
    technique requirement.
    d)
    A schedule of compliance will require compliance with
    each MCL or other requirement with respect to which the
    variance was granted as expeditiously as practicable;
    but no schedule shall extend more than 12 months after
    the date of the variance, except as follows:
    1)
    The Board may extend the date for a period not
    tc~
    exceed three years beyond the date of the variance
    if the supplier establishes:
    that it is taking
    all practicable steps to meet the standard; and:
    A)
    The supplier cannot meet the standard without
    capital improvements that cannot be completed
    within
    12 months;
    B)
    In the case of a supplier that needs
    financial assistance for
    the
    necessary
    improvements, the supplier has entered into
    an agreement to obtain such financial
    assistance; or
    C)
    The supplier has entered into an enforceable
    agreement to become a part of a regional PWS;
    and
    2)
    In the case of a PWS with 500 or fewer service
    0139-0215

    38
    connections
    that
    needs
    financial
    assistance
    for
    the necessary improvements, a variance under
    subsections
    (d) (1) (A) or
    (d) (1) (B) may be renewed
    for one or more additional two year periods if the
    supplier establishes that it is taking all
    practicable steps to meet the final date for
    compliance.
    e)
    The Board will provide notice and opportunity for a
    public hearing as provided in
    3.5 Ill. Ada. Code 104.
    f)
    The Agency shall promptly send USEPA
    the
    Opinion and
    Order of the Board granting a variance pursuant to this
    Section.
    The Board may reconsider and modify a grant
    of variance, or variance conditions,
    if USEPA notifies
    the Board of a finding pursuant to Section 1416 of the
    SDWA.
    BOARD
    NOTE:
    Derived from Section 1416 of the SDWA.
    g)
    The Board will not grant a variance:
    1)
    From the MCL for total coliforms; provided,
    however, that the Board may grant a variance from
    the total coliform MCL of Section 611.325 for PWSs
    that demonstrate that the violation of the total
    coliform MCL is due to persistent growth of total
    coliforms in the distribution system, rather than
    from fecal or pathogenic contamination, from a
    treatment lapse or deficiency,
    or from a problem
    in the operation or maintenance of the
    distribution system.
    2)
    From any of the treatment technique requirements
    of Subpart B.
    3)
    From the residual disinfectant concentration
    (RDC)
    requirements of Sections 611.241(c)
    and
    611.242(b).
    hi
    The provisions of Section 611.130
    apply
    to
    determinations made pursuant to this subsection.
    BOARD
    NOTE:
    Derived from 40 CFR 141.4
    (19942).
    USEPA
    has reserved the discretion to review and modify or
    nullify Board determinations made pursuant to this
    Section at 40 CFR 142.23
    (1992).
    (Source:
    Amended at 16 Ill. Reg.
    ,
    effective
    __________
    Section 611.113
    Alternative Treatment Techniques
    0139-0216

    39
    This Section is intended to be equivalent to Section 1415(a) (3)
    of the SDWA.
    a)
    Pursuant to this Section, the Board may grant an
    adjusted standard from a treatment technique
    requirement.
    b)
    The supplier seeking an adjusted standard shall file a
    petition pursuant to 35 Ill. Ada. Code l06.Subpart G.
    c)
    As justification the supplier shall demonstrate that an
    alternative treatment technique is at least as
    effective in lowering the level of the contaminant with
    respect
    to
    which the treatment technique requirement
    was prescribed.
    d)
    As a condition of any adjusted standard, the Board will
    require the use of the alternative treatment technique.
    e)
    The Board will grant adjusted standards for alternative
    treatment techniques subject to the following
    conditions:
    1)
    All adjusted standards shall be subject to the
    limitations of 40 CFR 142, Subpart G, incorporated
    by reference in Section 611.102, and
    2)
    All adjusted standards shall be subject to review
    and approval by USEPA pursuant to 40 CFR 142.46
    before they become effective.
    BOARD NOTE:
    Derived from Section 1415(a) (3) of
    the SDWA.
    fl
    The provisions of Section 611.130 ao~lyto
    determinations made Pursuant to this subsection.
    (Source:
    Amended at 16 Ill. Reg.
    ,
    effective
    __________
    Section 611.130
    S~ecia1Reauirements for Certain Variances
    and Adlusted Standards
    ~j.. Relief from the TTHM MCLS
    fl
    In aranting any variance or adjusted standard to a
    supplier that is a
    CWS
    that
    adds
    a
    disinfectant
    at
    any Part of treatment and which provides water to
    10.000 or more persons on a regular basis from the
    maximum contaminant level for TTHM listed in
    Section 611.310(c).
    the Board will require
    application of the best available technoloav
    (BAT)
    0139-0217

    40
    identified at subsection
    (a) (4)
    for that
    constituent as a condition to the relief, unless
    the supplier has demonstrated throuah
    comprehensive engineering assessments that
    application of SAT is not technically appropriate
    and technically feasible for that system. or it
    would only result in a marginal reduction in TTHM
    for that supplier.
    21
    The Board will require the ~ol1~wing as a
    condition for relief from the TTHM MCL where it
    does not require the anølication of
    BAT
    Al
    That the supplier continue to investigate the
    following methods as an alternative means of
    significantly reducing the level of TTHM.
    according to a definite schedule:
    j)
    introduction of off—line water storage
    for ThM ~recursor reduction
    jJJ
    aeration for TTHM reduction, where
    aeooraphv and climate allow;
    iii) introduction of clarification, where not
    ~resentlv practiced
    .jyi
    use of alternative sources of raw water
    ~
    y).
    use of ozone as an alternative or
    supplemental disinfectant or oxidant.
    ~j
    That the supplier report results of that
    investigation to the Agency.
    ~j
    The Agency shall petition the Board to reconsider
    or modify a variance or adjusted standard,
    pursuant to 35 Ill. Ada. Code 101.Subpart K.
    if it
    determines that an alternative method identified
    by the supplier pursuant to subsection
    (a) (2)
    is
    technically feasible and would result in a
    significant reduction in TTHM.
    4j
    Best available technoloay for TTHM reduction:
    Al
    use of chloramjnes as an alternative or
    supplemental disinfectant,
    ~j
    use of chlorine dioxide as and alternative or
    supplemental disinfectant, and
    0 139-0218

    41
    cj.
    improved existing clarification for
    THM
    Precursor reduction.
    BOARD NOTE:
    Derived from 40 CFR 142.60
    (1992).
    The restrictions of this subsection
    do not ap~1yto su~~liersreuulated for TTHM
    as an additional state requirement.
    See the
    Board Note to Section 611.301(c).
    hi
    Relief from the fluoride MeL.
    fl
    In granting any variance or adjusted standard to a
    su~~lier
    that is a
    CWS
    from the maximum
    contaminant level for fluoride listed in Section
    611.301(b).
    the Board will reauire application of
    the best available technoloav
    (BAT)
    identified at
    subsection
    (b) (4)
    for that constituent as a
    condition to the relief, unless the sup~1ierhas
    demonstrated throuah comprehensive engineerina
    assessments that application of BAT is not
    technically appropriate and technically feasible
    for that supplier.
    21
    The Board will reauire the following as a
    condition for relief from
    the
    fluoride MCL where
    it does not require the a~~licationof BAT:
    Al
    That the supplier continue to investigate the
    following methods as an alternative means of
    sianificantly reducing the level of TTHM.
    according to a definite schedule:
    j~.
    modification of lime softening:
    £~1
    alum coagulation;
    iii) electrodialvsis
    i~1
    anion exchange resins
    yj.
    well field management
    xiL
    use of alternative sources of raw water
    and
    vii)
    regionalization.
    and
    ~J
    That the su~pljerreport results of that
    investigation to the A.gencv.
    ~j.
    The A~encvshall petition the Board to reconsider
    or modify a variance or adiusted standard.
    0139-02 19

    42
    pursuant to 35 Ill.
    Ada.
    Code 101.Subpart K,
    if it
    determines that an alternative method identified
    by the supplier pursuant to subsection
    (b) (2)
    is
    technically feasible and would result in a
    significant reduction in fluoride.
    ~41
    Best available technology for fluoride reduction:
    Al
    activated alumina absorption centrally
    applie3.. and
    ~1
    reverse osmosis centrally applied.
    BOARD
    NOTE:
    Derived from 40
    CFR
    142.61
    (1992).
    ~j
    Relief from an inorganic chemical contaminant. VOC. or
    SOC MCL.
    fl..
    A
    CWS
    or
    any
    NTNCWS
    a variance or adjusted
    standard from the maximum contaminant levels for
    any VOC or SOC. listed in Section 611.311(a) or
    (c). or for any inorganic chemical contaminant,
    listed in Section 611.301. the sup~1iermust have
    first applied the best available technolo~ (BAT)
    identified at Section 611.311(b)
    (VOCs and SOCs)
    or Seàtion 611.301(c)
    (inorganic chemical
    contaminants) for that constituent. unless the
    supplier has demonstrated throuah comprehensive
    engineerina assessments that application of BAT
    would achieve only a minimal and insignificant
    reduction in the level of contaminant.
    21
    The Board may require any of the following as a
    condition for relief from a MCL listed in Section
    611.301 or 611.311:
    Al
    That the supplier continue to investigate
    alternative means of compliance according to
    a definite schedule. and
    ~l
    That the su~p1ierreport results of that
    investigation to the Agency.
    fl
    The Agency shall petition the Board to reconsider
    or modify a variance or adjusted standard,
    pursuant to 35 Ill. Ada. Code 101.Subpart K.
    if it
    determines that an alternative method identified
    by the supplier pursuant to subsection
    (c) (2)
    is
    technically feasible.
    BOARD
    NOTE:
    Derived from 40 CFR 142.62(a) through
    0139-0220

    43
    (el
    (1992).
    ~j
    Conditions reaniring use of bottled water or point-of-
    use or point-of-entrY devices.
    In granting any
    variance or adlusted standard from the maximum
    contaminant levels for organic and inorganic chemicals
    or an adjusted standard from the treatment technique
    for lead and copper. the Board may impose certain
    conditions requiring the use of bottled water. point—
    of—entry devices, or point—of—use devices to avoid an
    unreasonable risk to health, limited as provided in
    subsections
    (e) and
    (f).
    fl-
    Relief from an MCL.
    The Board may. when granting
    any variance or adjusted standard from the MCL
    requirements
    of
    Sections
    611.301
    and
    611.311.
    impose a condition that requires a su~~lierto use
    bottled water. point-of—use devices. point—of—
    entrY devices or other means to avoid an
    unreasonable risk to health.
    21
    Relief
    from
    corrosion
    control
    treatment.
    The
    Board may. when granting an adjusted standard from
    the corrosion control treatment requirements for
    lead and co~~erof Sections 611.351 and 611.352.
    imnose a condition that recuires a surrnlier to use
    bottled water and point—of-use devices or other
    means, but not point-of—entry devices, to avoid an
    unreasonable
    risk
    to
    health.
    fl
    Relief from source water treatment or service line
    replacement.
    The Board may. when granting an
    exemption from the source water treatment and lead
    service line replacement requirements for lead and
    co~~er
    under Sections 611.353 or 611.354.
    impose a
    condition that requires a supplier to use point-
    of—entry devices to avoid an unreasonable risk to
    health.
    BOARD NOTE:
    Derived from 40
    CFR
    142
    62(f)
    (1992).
    ~j
    Use of bottled water.
    SuDpliers that propose to use or
    use_bottled water as a condition for receiving a
    variance or an adjusted standard from the requirements
    of Section 611.301 or Section 611.311. or an adlusted
    standard from the requirements of Sections 611.351
    throuah 611.354 must the requirements of either
    subsections
    (e)(1).
    (e)(2).
    (e)(3). and (e)(6)
    or
    (e)(4).
    (e)(5)
    and
    (e)(6):
    fl
    The suoplier must develop a monitoring program for
    Board approval that provides reasonable assurances
    01390221

    44
    that the bottled water meets all MCLs of Sections
    611.301 and 611.311 and submit a description of
    this program as part of its petition.
    The
    proposed
    proaram
    must describe how the supplier
    will comply with each requirement of this
    subsection.
    21
    The supplier must monitor representative samples
    of_the_bottled water for all contaminants
    regulated under Sections 611.301 and 611.311
    during the first three-month period that it
    sup~1iesthe bottled water to
    the
    public, and
    annually thereafter.
    fl
    The supplier shall annually provide the results of
    the monitoring proaram to the Agency.
    iI
    The
    sup~1iermust receive a certification from the
    bottled water comoanv as to each of the following:
    AL
    that the bottled water supplied has been
    taken from an “approved source” as defined in
    21
    CFR
    129.3(a)’
    ~J.
    that the bottled water company has conducted
    monitoring in accordance with 21 CFR
    129.80(a) (1)
    throuah
    (3):
    Qj
    and that the bottled water does not exceed
    any MCLs or quality limits as set out in 21
    CFR
    103.35.
    110. and 129.
    .~j
    The supplier shall provide
    the
    certification
    required by subsection
    (e) (4) to the Agency during
    the first quarter after it begins supplying
    bottled water and annually thereafter.
    .Q1
    The supplier shall assure the provision of
    sufficient ciupntitjes of bottled water to every
    person supplied by the supplier via door—to—door
    bottled water delivery.
    Derived from 40
    CFR
    142.62
    (g)
    (1992).
    fi
    Use of point-of—entry devices.
    Before the Board grants
    any PWS a variance or adjusted standard from any
    NPDWR
    that includes a condition requiring the use of a point-
    of—entry device, the supplier must demonstrate to the
    Board each of the following:
    fl
    that the supplier will operate and maintain the
    device
    0 139-0222

    45
    21
    that the device provides health protection
    equivalent to that provided by central treatment
    fl
    that the supplier will maintain the
    microbioloaical safety of the water at all times
    j~
    that the suoplier has established standards for
    ~erforaance, conducted a riaorous engineering
    desicm review,
    and field tested the device
    ~j
    that the operation and maintenance of the device
    will account for any potential for increased
    concentrations of heterotro~hicbacteria resu1tin~
    through the use of activated carbon. by
    backwashina. post-contactor disinfection, and
    heterotro~hicplate count monitoring
    ~
    that buildings connected to the supplier’s
    distribution sYstem have sufficient devices
    properly installed, maintained,
    and monitored to
    assure that all consumers are protected; and
    21
    that the use of the device will not cause
    increased corrosion of lead and copper bearing
    materials located between the device and the ta~
    that could increase contaminant levels at the tap.
    BOARD NOTE:
    Derived from 40
    CFR
    142.62(h)
    (1992).
    (Source:
    Added at
    16
    Ill. Reg.
    ,
    effective
    __________
    SUBPART
    C:
    USE
    OF
    NON-CENTRALIZED
    TREATMENT
    DEVICES
    Section 611.280
    Point-of-Entry Devices
    a)
    Suppliers may use point-of-entry devices to comply with
    MCLs only if they meet the requirements of this
    Section.
    b)
    It is the responsibility of the supplier to operate and
    maintain the point-of entry treatment system.
    c)
    The supplier shall develop a monitoring plan before
    point—of-entry devices are installed for compliance.
    1)
    Point-of-entry devices must provide health
    protection equivalent to central water treatment.
    “Equivalent” means that the water would meet all
    NPDWR and would be of acceptable quality similar
    to water distributed by a well—operated central
    0139-0223

    46
    treatment plant.
    2)
    In addition to the VOC5, monitoring must include
    physical measurements and observations such as
    total flow treated and mechanical condition of the
    treatment equipment.
    3)
    Use of point-of-entry devices must be approved ~y
    opooi3l cxocption pc?rmita SEP aranted by the
    Agency pursuant to Section 611.110.
    d)
    Effective technology must be properly applied under a
    plan approved by the Agency and the microbiological
    safety of the water must be maintained.
    1)
    The Agency shall require adequate certification of
    performance, field testing, and,
    if not included
    in the certification process, a rigorous
    engineering design review of the point-of-entry
    devices.
    2)
    The design and application of the point-of-entry
    devices must consider the tendency for increase in
    heterotrophic bacteria conceiktrations in water
    treated with activated carbon.
    The Agency may
    require, by special exception permit, frequent
    backwashing, post—contactor disinfection and
    HPC
    monitoring to ensure that the microbiological
    safety of the water is not compromised.
    e)
    All consumers must be protected.
    Every building
    connected to the system must have a point—of—entry
    device installed, maintained and adequately monitored.
    The Agency must be assured that every building is
    subject to treatment and monitoring, and that the
    rights and responsibilities of the PWS customer convey
    with title upon sale of property.
    fl
    Use of any point—of—entry device must not cause
    increased corrosion of lead and copter bearing
    materials located between the device and the ta~that.
    could increase contaminant levels at the tap.
    BOARD
    NOTE:
    Derived from 40
    CFR
    141.100 ~
    142.62(h) (7)
    (1989~).
    (Source:
    Amended at 16 Ill.
    Reg.
    __________,
    effective
    _________
    Section 611.290
    Use of othcr rion-ocntraii~carrcatmentPoint—
    of—Use Devices or Bottled Water
    01 39-022~

    47
    ~j
    Suppliers shall not use bottled water or point-of-use
    devices to achieve compliance with an MCL.
    hi
    Bottled water or point-of—use devices may be used on a
    temporary basis to avoid an unreasonable risk to health
    pursuant to a SEP ~ranted by the Agency under Section
    611. 110.
    ci
    Any use of bottled water must comPlY with the
    substantive requirements of Section 611
    130 (e). excePt
    that the supplier shall submit its anality control plan
    for Aaency review as cart of its SEP request. rather
    than for Board review.
    BOARD NOTE:
    Derived from 40 CFR 141.101 (19?-9~).
    (Source:
    Amended
    at
    16
    Ill. Reg.
    ,
    effective
    SUBPART
    D:
    TREATMENT
    TECHNIQUES
    Section
    611.297
    Corrosion
    Control
    A supplier maY be required to install and maintain optimal
    corrosion control Pursuant to Section 611.352.
    (Source:
    Added at 16 Ill. Reg.
    ,
    effective
    _________
    ____________________________)
    SUBPART
    F:
    MAXIMUM
    CONTAMINANT
    LEVELS
    (MCL’S)
    Section
    611.300
    Old
    MCLs
    for
    Inorganic
    Chemicals
    a)
    The old MCL for nitrate is applicable to both
    CWS
    suppliers
    and non—CWS suppliers except as provided by
    in subsection
    (d).
    The level for the other inorganic
    chemicals apply only to
    CWS
    suppliers.
    The levels for
    additional State requirements apply only to CWSs.
    Compliance with old MCLs for inorganic chemicals is
    calculated pursuant to Section 611.612.
    The HCLO for
    barium and lead ohall remain effective until repealed
    or amen
    ru.LcmaAing.
    BOARD
    NOTE:
    Derived from 40
    CFR
    141.11(a)
    (1994~Z).
    UCEPA hao given an expiration date of December 7,
    1992
    for the )ICL for load and January
    1,
    1993 for barium
    booauoc those are the offeotivc dates for the federal
    lead and copper
    (56 Fed.
    flcg.
    2460 (June
    7, 1~1)) and
    Phase IIB
    (56 Fed. Rcg. 30266
    (July
    1,
    1991)) rules,
    respectively.
    The Board will repeal the load and
    0 139-0225

    48
    barium HCLo,
    as appropriate, when the Illinois lead and
    popper and Phase lIB rule package becomes effective.
    b)
    The following are the old MCL’S for inorganic
    chemicals:
    Contaminant
    Level, mg/L
    Additional
    State
    Requirement
    (*)
    Arsenic
    0.05
    Barium
    1.
    Copper
    5.
    *
    Cyanide
    0.2
    *
    Fluoride
    4.0
    Iron
    1.0
    *
    Lead
    u.u~
    Manganese
    0.15
    *
    Zinc
    5.
    *
    BOARD
    NOTE:
    Derived
    from
    40
    CFR
    141.11(b)
    (19942).
    This provision,
    which corresponds with 40 CFR 141.11,
    was formerly the only listing of )JCLs for inorganic
    parameters.
    However, USEPA added another listing of
    inorganic MCLs at 40 CFR 141.62 at 56 Fed. Reg. 3594
    (Jan.
    30,
    1991).
    Following the changing USEPA
    codification scheme creates two listings of MCL5:
    one
    at this Section and one at Section 611.301.
    This also
    causes fluoride to appear in both listings with the
    same MeL.
    The impact of the two listings are distinct._
    Further, under the federal scheme. there is no MCL for
    copper.
    Rather, there is an “action level”, which if
    exceeded causes the supmlier to undertake certain
    actions.
    See Section 611.350.
    The Board retained the
    MCL because its impact is distinct from that of the
    action level for copper.
    c)
    The secondary old MCL for fluoride is 2.0 mg/L.
    BOARD
    NOTE:
    Derived from 40 CFR 141.11(c)
    (199*2~).
    d)
    Nitrate.
    1)
    The Board incorporates by reference 40 CFR
    141.11(d)
    (1994~). This incorporation includes no
    later editions or amendments.
    2)
    Non-CWSs
    may exceed the MCL for nitrate to the
    extent authorized by 40 CFR 141.11(d).
    BOARD
    NOTE:
    Derived from 40 CFR 141.11(d)
    (199&~).
    Public
    Health
    regulations
    may
    impose
    a
    0139-0226

    49
    nitrate limitation requirement.
    Those regulations
    are at 77
    Ill. Adm. Code 900.50.
    e)
    The following supplementary condition applies to the
    concentrations
    listed
    in subsection
    (b):
    Iron and
    manganese:
    1)
    CWS
    suppliers that serve a population of 1000 or
    less, or 300 service connections or less, are
    exempt from the standards for iron and manganese.
    2)
    The Agency may, by special exception permit, allow
    iron and manganese in excess of the MCL if
    sequestration tried on an experimental basis
    proves to be effective.
    If sequestration is not
    effective, positive iron or manganese reduction
    treatment as applicable must be provided.
    Experimental use of a sequestering agent may be
    tried only if approved by special exception
    permit.
    BOARD
    NOTE:
    This is an additional State
    requirement.
    (Source:
    Amended
    at
    16
    Ill.
    Reg.
    ,
    effective
    __________
    Section 611.301
    Revised MCLS for Inorganic Chemicals
    a)
    This subsection corresponds with 40 CFR 141.62(a),
    reserved by USEPA.
    This statement maintains structural
    consistency with USEPA rules.
    b)
    The MCLs in the following table apply to CWSs.
    Except
    for fluoride, the MCL5 also apply to NTNCWS5.
    The MCLs
    for
    nitrate,
    nitrite
    and
    total
    nitrate
    and
    nitrite
    also
    apply
    to
    transient
    non-CWS5.
    Contaminant
    MCL
    Units
    mg/L
    .,I,.Z.....
    .~1L
    Fluoride
    4.Q
    Asbestos
    7,-
    Barium
    Cadmium
    Chromium
    Mercury
    Nitrate
    (as N)
    Nitrite
    (as N)
    Total Nitrate and Nitrite
    • pp
    p
    p
    p
    ~.pp
    a
    pa.’C.U ~
    /
    1.
    (1
    nntir~i—
    than
    ——--p——
    10 micro-
    meters)
    ~
    ma/L
    0.005
    mg/L
    0.1
    mg/L
    0.002
    mg/L
    10.
    mg/L
    1.
    mg/L
    10.
    mg/L
    0139-0227

    50
    (as N)
    Selenium
    0.05
    mg/L
    c)
    USEPA has identified the following as BAT for achieving
    compliance with the MCL for the inorganic contaminants
    identified in subsection
    (b), except for fluoride:
    Contaminant
    BAT(s)
    Asbestos
    C/F
    DDF
    CC
    Barium
    IX
    LIME
    RO
    ED
    Cadmium
    C/F
    IX
    LIME
    RO
    Chromium
    C/F
    IX
    LIME, BAT for Cr(III) only
    RO
    Mercury
    C/F,
    BAT
    only
    if
    influent
    Hg
    concentrations less than or equal
    to (?)
    10 ~g/L
    GAC
    LIME, BAT only if influent Hg
    concentrations?
    10 j~/L
    RO, BAT only if influent Hg
    concentrations?
    10 4u/L
    Nitrate
    IX
    RO
    ED
    Nitrite
    IX
    RO
    Selenium
    AAL
    C/F,
    BAT
    for
    Se(IV)
    only
    LIME
    RO
    ED
    Abbreviations
    0139-0228

    51
    AAL
    C/F
    DDF
    GAC
    IX
    LINE
    RO
    CC
    ED
    Activated alumina
    Coagulation/filtration
    Direct and diatomite filtration
    Granular activated carbon
    Ion exchange
    Lime softening
    Reverse osmosis
    Corrosion control
    Electrodialysis
    Section
    611.311
    Revised NCLs for Organic Contaminants
    a)
    Volatile
    MCLs
    for
    apply
    to
    organic chemical contaminants.
    The following
    volatile organic chemical contaminants
    (VOCs)
    CWS
    suppliers and
    NTNCWS
    suppliers.
    CAS
    No.
    Contaminant
    71—43—2
    56—23—5
    95—50—1
    106—46—7
    107—06—2
    75—35—4
    156—59—2
    156—60—5
    78—87—5
    100—41—4
    108—90—7
    100—42—5
    127—18—4
    108—88—3
    71—55—6
    79—01—6
    75—01—4
    1330—20—7
    MCL
    (mg
    /
    L)
    0.005
    0.005
    0.6
    0.075
    0.005
    .0.007
    0.07
    0.1
    0.005
    0.7
    0.1
    0.1
    0.005
    1
    0.2
    0.005
    0.002
    10
    b)
    USEPA
    has
    identified,
    as indicated below, granular
    activated carbon
    (GAC) or packed tower aeration
    (PTA)
    as BAT for achieving compliance with the MCLs for
    volatile organic chemical contaminants and synthetic
    organic
    chemical
    contaminants
    in
    subsections~
    (a)
    and
    (c).
    15972—60—8 Alachlor
    GAC
    BOARD
    NOTE:
    Derived from 40 CFR 141.62
    (l9942~).
    (Source:
    Added at 16 Ill. Reg.
    ,
    effective
    _____
    Benzene
    Carbon tetrachioride
    o—Dichlorobenzene
    p-Dichlorobenzene
    1, 2-Dichloroethane
    1, 1-Dichloroethylene
    dc-i, 2-Dichloroethylene
    trans-1,2-Dichloroethylene
    1, 2-Dichloropropane
    Ethylbenzene
    Monochlorobenzene
    Styrene
    Tetrachloroethy
    lene
    Toluene
    1,1,1-Trichloroethane
    Trichloroethylene
    Vinyl chloride
    Xylenes (total)
    0139-0229

    52
    116—06—3
    1646—88—4
    1646—87—3
    1912—24—9
    71—43—2
    1563—66—2
    56—23—5
    57—74—9
    94—75—7
    96—12—8
    95—50—1
    106—46—7
    107—06—2
    156—59—2
    156—60—5
    75—35—4
    78—87—5
    106—93—4
    100—41—4
    76—44—8
    1024—57—3
    58—89—9
    72—43—5
    108—90—7
    87—86—5
    1336—36—3
    87—86—5
    100—42—5
    127—18—4
    71—55—6
    79—01—6
    1Ô8—88—3
    8001—35—2
    93—72—1
    75—01—4
    1330—20—7
    Aldicarb
    Aldicarb suifone
    Aldicarb sulfoxide
    Atrazme
    Benzene
    Carbofuran
    Carbon tetrachloride
    Chlordane
    2,4—D
    Dibromochloropropane
    o—Dichlorobenzene
    p-Dichlorobenzene
    1, 2-Dichloroethane
    dc-i,
    2-Dichioroethylene
    trans-i,2-Dichoroethylene
    1, 1-Dichloroethylene
    1,2-Dichloropropane
    Ethylene dibromide
    (EDB)
    Ethylbenzene
    Heptachlor
    Heptachlor epoxide
    Lindane
    Methoxychlor
    Monochlorobenzene
    Pentachlorophenol
    Polychlorinated biphenyls
    (PCB)
    Pcntachlorooheno1
    Styrene
    Tetrachloroethylene
    1,1, 1-Trichloroethane
    Trichloroethylene
    Toluene
    Toxaphene
    2, 4,5—TP
    Vinyl chloride
    Xylene
    GAC
    GAC
    GAC
    GAC
    GAC,
    GAC
    GAC,
    GAC
    GAC
    GAC,
    GAC,
    GAC,
    GAC,
    GAC,
    GAC,
    GAC,
    GAC,
    GAC,
    GAC,
    GAC
    GAC
    GAC
    GAC
    GAC,
    GAC
    GAC
    GAG
    GAC,
    GAC,
    GAC,
    GAC,
    GAC
    GAC,
    GAC
    PTA
    GAC,
    c)
    Synthetic organic chemical contaminants.
    The following
    MCLs for synthetic organic chemical contaminants
    (SOCs)
    apply to
    CWS
    and NTN~WSsuppliers.
    CAS Number Contaminant
    MCL (mg/L)
    15972—60—8 Alachlor
    116—06—3
    Aldicarb
    1646-88-4
    Aldicarb sulfone
    1646—87—3
    Aldicarb sulfoxide
    1912—24—9
    1563—66—2
    57—74—9
    94—75—7
    96—12—8
    Atrazine
    Carbofuran
    Chlordane
    2, 4—D
    Dibromoch loropropane
    0.002
    0.003
    0.004
    0.003
    0.003
    0.04
    0.002
    0.07
    0. 0002
    PTA
    PTA
    PTA
    PTA
    PTA
    PTA
    PTA
    PTA
    PTA
    PTA
    PTA
    PTA
    PTA
    PTA
    PTA
    PTA
    PTA
    PTA
    PTA
    0139-0230

    53
    106—93—4
    Ethylene dibromide
    0.00005
    76—44—8
    Heptachlor
    0.0004
    1024—57—3
    Heptachlor epoxide
    0.0002
    58—89—9
    Lindane
    0.0002
    72—43-5
    Methoxychlor
    0.04
    87—86-5
    Pentachlorophenol
    0.001
    1336-36-3
    Polychlorinated biphenyls
    (PCB5)
    0.0005
    8001—35—2
    Toxaphene
    0.003
    93—72—1
    2,4,5—TP
    0.05
    BOARD
    NOTE:
    Derived
    from
    40
    CFR
    141
    61 (19942).
    More
    stringent state MCLs for 2,4-D, heptachlor, and hepta-
    chior
    epoxide
    appear
    at Section 611.310.
    See the Board
    Note at that provision.
    The effectiveness of the MCLs
    for aldicarb. aldicarb sulfone. and aldicarb sulfoxide
    are administratively staved until the Board takes
    further administrative action to end this stay.
    However, suppliers must monitor for these three SOCs
    pursuant
    to Section 611.648.
    See 40
    CFR
    1416(a)
    (1992) and 57
    Fed.
    Rep. 22178
    (May 27.
    1992).
    (Source:
    Amended
    at
    16
    Ill.
    Reg.
    ,
    effective
    SUBPART
    G:
    LEAD
    AND
    COPPER
    Section
    611.350
    General Requirements
    ~j
    A~~licabilityand ScoPe
    ~J
    A~~licabi1itv.
    The
    requirements
    of
    this
    Subpart
    constitute national primary drinking water
    regulations for lead and
    coPper.
    This
    Subpart
    applies to all community water systems
    (CWSs). and
    non—transient, non—community water systems
    (NTNCWSs).
    21
    Scope.
    This Subpart establishes a treatment
    technique that includes reauirements for corrosion
    control treatment.
    source water treatment,
    lead
    service line replacement, and public education.
    These re~irementspre triggered,
    in some cases.
    by lead and copper Kction levels measured in
    samples collected at consumers’ taps.
    hi
    Definitions.
    For the purposes of only this Subpart,
    the following terms shall have the following meaninas:
    “Action level” means that concentration of lead or
    copper in water computed pursuant to subsection
    (c) that determines,
    in some cases. the treatment
    0139-0231

    54
    requirements of this Subpart which a supplier must
    complete.
    The action level for lead is 0.015
    mg/L.
    The action level for copter is 1.3 mg/L.
    “Corrosion inhibitor” means a substance ca~ab1eof
    reducing the corrosivitv of water toward metal
    plumbina materials,
    especially lead and copper, by
    forming a orotective film on the interior surface
    of those materials.
    “Effective corrosion inhibitor residual” means a
    concentration of inhibitor in
    the
    drinking water
    sufficient to form a passivating film on the
    interior walls of a pine.
    “Exceed”,
    as this term is applied to either the
    lead or the copper action level, means that the
    90th percentile level of the sup~ljer’ssamples
    collected during a six—month monitoring period is
    areater than the action level for that
    contaminant.
    “First draw sample” means a one—liter sample of
    tap water, collected in accoräance with Section
    611. 356(b) (2). that has been standing in oluabing
    pipes, for at least
    6 hours and which is collected
    without flushing the tao.
    “Large system” means a water system that regularly
    serves water to more than 50.000 persons.
    “Lead service line”, means a service line made of
    lead
    that connects the water main to the building
    inlet,
    including any lead pigtail, gooseneck,
    or
    other
    fitting
    that
    is
    connected
    to
    such lead line.
    “Medium—sized
    system”
    means
    a water system that
    regularly serves water to more than 3.300 up to
    50,000 or fewer persons.
    “Meet”, as this term is aoplied to either the lead
    or the cooper action level, means that the 90th
    percentile level of the supplier’s samples
    collected during a six-month monitoring period is
    less than or equal to the action level for that
    contaminant.
    “Method
    detection
    limit”
    or
    “MDL”
    is
    as
    defined
    at
    Section
    611.646(a).
    The
    MDL
    for lead is 0.001
    malL.
    The
    MDL
    for copper is 0.001 ma/L, or 0.020
    ma/L by atomic absorption direct aspiration
    method.
    0139-0232

    55
    BOARD
    NOTE:
    Derived from 40 CFR 141.89(a) (1) (iiil
    (1992).
    “Monitoring period” means any of the six-month
    periods of time durina which a suoplier must
    complete a cycle of monitorina under this Subpart.
    BOARD
    NOTE:
    USEPA refers to these as “monitoring
    periods”.
    The Board uses “six—month monitoring
    period” to avoid confusion with “compliance
    period”, as used elsewhere in this Part and
    defined at Section 611.101.
    “Multiple-family
    residence”
    means
    a building that
    currently
    used
    as
    a multiple—family residence, but
    not_one
    that
    is
    also
    a “single—family structure”.
    “90th percentile level” means that concentration
    of lead or copper contaminant exceeded by 10
    percent or fewer of all samoles collected during a
    six—month monitoring oeriod Pursuant to Section
    611.356
    (i.e..
    that concentration of contaminant
    greater than or eaual to the results obtained from
    90 percent of the samoles).
    The 90th percentile
    levels
    for
    cooper
    and
    lead
    shall
    be
    determined
    pursuant
    to
    subsection
    (c)
    (3)
    BOARD
    NOTE:
    Derived from 40
    CFR
    141.80(c)
    (1992).
    “Optimal
    corrosion
    control
    treatment”
    means
    the
    corrosion control treatment that minimizes the
    lead and coooer concentrations at users’ taos
    while ensurina that the treatment does not cause
    the water system to violate
    any
    national orimarv
    drinking
    water
    regulations.
    “Practical auantitation limit” or “POL” means the
    lowest concentration of a contaminant that a well—
    operated laboratory can reliably achieve within
    specified limits of precision and accuracy during
    routine laboratory operatina conditions.
    The
    POL
    for lead is 0.005 ma/L.
    The POL for copoer is
    0.050
    malL.
    BOARD
    NOTE:
    Derived from 40
    CFR
    141.89(a) (1) (iv)
    (1992)
    and 56 Fed. Rep.
    26511—12 (June
    7.
    1991)
    (preamble)
    USEPA
    has
    generally
    defined the POL
    as
    5 to 10 times the method detection limit.
    “Service line sample” means a one-liter samole of
    water, collected in accordance with Section
    611.356(b) (3). that has been standing for at least
    6 hours in a service line.
    “Single-family structure” means a building that
    01390233

    56
    was constructed as a sinale—family residence and
    which
    is currently used as either a residence or
    a,
    place of business.
    “Small system” means a water system that regularly
    serves water to 3.300 or fewer persons.
    BOARD NOTE:
    Derived from 40
    CFR
    141.2
    (1992).
    c.1
    Lead and Coooer Action Levels:
    U
    The lead action level is exceeded if the 90th
    oercentile lead level is greater than 0.015 ma/L.
    21
    The copper action level is exceeded
    if
    the
    90th
    percentile copper level
    is qreater than 1.3
    malL.
    .~j.
    Suppliers shall compute the 90th percentile lead
    and cooper levels as follows:
    ~j
    List the results of all lead or copper
    samoles taken during a six—month monitoring
    oeriod in ascending order, ranging from the
    samole with the lowest concentration first to
    the samole with
    the
    highest concentration
    last.
    Assian each samoling result a number.
    ascending by single integers beainnina with
    the
    number
    1 for the samole with the lowest
    contaminant
    level.
    The
    number assigned to
    the samole with the highest contaminant level
    shall be equal to the total number of samples
    taken
    ~j
    Determine the number for
    the
    90th
    percentile
    sample by multiplying the total number of
    samples taken during the six—month monitoring
    period
    by
    0.9.
    ~j
    The contaminant concentration in the sample
    with the number yielded by the calculation in
    subsection
    (c) (3) (B)
    is the 90th oercentile
    contaminant level.
    Qj
    For supoliers that collect
    5 samoles per six-
    month monitoring period, the 90th percentile
    is
    comouted
    by
    takina
    the
    average
    of
    the
    hiahest and second highest concentrations.
    Corrosion Control Treatment Requirements:
    fl
    All suppliers shall install and operate optimal
    corrosion
    control
    treatment.
    01 39-023t4

    57
    21
    Any supplier that comolies with the applicable
    corrosion control treatment requirements specified
    by the Agency oursuant to Sections 611.351 and
    611.352
    is deemed in comoliance with the treatment
    requirement
    of
    subsection
    (d) (1).
    ~
    Source water treatment requirements.
    Any
    supplier
    whose system exceeds the lead or copoer action
    leve,.
    shall
    implement all aoplicable source water treatment
    requirements specified by the Agency pursuant to
    Section 611.353.
    ~
    Lead service line replacement requirements.
    Any
    suoplier
    whose
    system
    exceeds
    the
    lead
    action
    level
    after implementation of ao~licablecorrosion control
    and source water treatment requirements shall complete
    the lead service line reolacement reauirements
    contained in Section 611.354.
    9j
    Public education requirements.
    Any
    suoplier whose
    system exceeds the lead action level shall imolement
    the public education requirements contained in Section
    611. 355.
    ~
    Monitoring and analytical requirements.
    Suppliers
    shall complete all tao water monitoring for lead and
    cooper,
    monitoring
    for water quality parameters,
    source
    water
    monitoring
    for
    lead and copoer. and analyses of
    the monitoring results under this suboart in compliance
    with
    Sections
    611.356.
    611.357.
    611.358,
    and
    611.359.
    j)
    Reoorting requirements.
    Suppliers shall report to
    the
    Agency any information re~iredbY the treatment
    provisions of this Subpart
    and
    Section 611.360.
    jj
    Recordkeeping reauirements.
    Suppliers shall maintain
    records
    in
    accordance
    with
    Section
    611.361.
    ~j
    Violation of national primary drinking water
    regulations.
    Failure to comply with the applicable
    requirements of this Subpart.
    includina conditions
    imposed by the Aaency by special exception permit
    (SEP)
    Pursuant to these provisions, shall constitute a
    violation of the national orimary drinking water
    regulations for lead or cooper.
    BOARD NOTE:
    Derived from 40
    CFR
    141.80 (1992).
    (Source:
    Added at 16 Ill. Reg.
    ,
    effective
    ___________
    Section 611.351
    Ao~licabilityof Corrosion Control
    0
    I 39-0235

    58
    ~j
    Corrosion control required.
    Suppliers shall complete
    the applicable corrosion control treatment requirements
    described in Section 611.352 on or before the deadlines
    set
    forth
    in
    this
    Section.
    U
    Large systems.
    Each larae system supplier
    (one
    reaularlv
    serving
    more
    than
    50.000
    oersons)
    shall
    complete the corrosion control treatment steps
    specified in subsection
    (d). unless it is deemed
    to have optimized corrosion control under
    subsection
    (b)(2)
    or (b)(3).
    21
    Medium—sized
    and
    small systems.
    Each small system
    supplier (one regularly serving 3300 or fewer
    ~rsons)
    and each medium-sized system (one
    re~larlyserving more than 3.300 up to 50.000 or
    fewer persons)
    shall complete the corrosion
    control treatment steos specified in subsection
    (e), unless it is deemed to have ootimized
    corrosion control under one of subsections
    (b) (1).
    (bI (2). or
    (b) (3).
    hi
    Supoliers
    deemed
    to have optimized corrosion control.
    A suoplier is deemed to have optimized corrosion
    control, and is not required to comolete the applicable
    corrosion control treatment steps identified in this
    Section.
    if the supplier satisfies one of the following
    criteria:
    U
    Small or medium-sized system meeting action
    levels.
    A small system or medium—sized system
    suoplier is deemed to have optimized corrosion
    control if the system meets the lead and copper
    action
    levels
    during
    each
    of
    two
    consecutive
    six—
    month monitoring periods conducted in accordance
    with Section 611.356.
    21
    SEP for equivalent activities to corrosion
    control.
    The Aaencv shall. by a SEP granted
    pursuant to Section 611.110. deem any supplier to
    have optimized corrosion control treatment if
    it
    determines that the suoolier has conducted
    activities equivalent to the corrosion control
    steps aoplicable under this Section,
    In making
    this determination, the Agency shall specify the
    water
    ~ality
    control
    parameters
    representing
    ootimal corrosion control in accordance with
    Section 611.352(f).
    A supplier shall provide the
    Agency with the following information in order to
    support an Agency SEP determination under this
    subsection:
    0
    I 39-0236

    59
    ~j
    the results of all test samoles collected for
    each of
    the
    water
    ~ality
    parameters
    in
    Section 611.352(c) (3)
    ~J.
    a report explaining the test methods the
    supplier
    used
    to
    evaluate
    the corrosion
    control treatments listed in Section
    611.352(c) (1). the results of all tests
    conducted,
    and the basis for the supplier’s
    selection of ootimal corrosion control
    treatment
    Qj
    a report exolaining how the supolier has
    installed corrosion control and how the
    suo~liermaintains it to insure minimal lead
    and cooper concentrations at consumers’ taPs
    and
    ~j
    the results of tap water samoles colleàted in
    accordance
    with
    Section
    611.356
    at
    least
    once
    every
    six
    months
    for
    one
    Year
    after
    corrosion
    control has been installed.
    21
    Results less than practical auantitation level for
    lead.
    Any
    supplier is deemed to have optimized
    corrosion
    control
    if
    it
    submits
    results
    of
    tao
    water monitoring conducted in accordance with
    Section 611.356 and source water monitorina
    conducted in accordance with Section 611.358 that
    demonstrate that for two consecutive six—month
    monitoring periods the difference between the 90th
    percentile tao water lead level,
    computed pursuant
    to Section 611.350Ic) J~3),and the highest source
    water lead concentration is less than the
    practical qupntitptipn level for lead specified in
    Section 611.359(a) (1
    (ii).
    ç~
    Suppliers not required to comolete corrosion control
    steps for having met both action levels.
    11.
    An~small system or medium—sized system supolier.
    otherwise required to complete the corrosion
    control steps due to its ~xceedance of the lead or
    copper action level. may cease completing the
    treatment steps after the suoplier has fulfilled
    both
    of
    the
    followina
    conditions:
    ~j
    It
    has
    met
    both
    the copper action level and
    the
    lead
    action
    level during each of two
    consecutive six—month monitoring periods
    conducted
    oursuant
    to
    Section
    611.356.
    and
    0139-0237

    60
    ~j
    the supplier has submitted the results for
    those two consecutive six—month monitoring
    periods
    to
    the
    Agency.
    21
    A supplier that has ceased comoletina the
    corrosion control steos pursuant to subsection
    (C)
    (1)
    (or the Agency.
    if aoprooriate) shall
    resume completion of the aoolicable treatment
    steps.
    beginnina
    with
    the
    first
    treatment
    step
    that the
    supplier previously did not complete in
    its entirety.
    if the supolier thereafter exceeds
    the lead or cooper action level during any six—
    month monitoring period.
    11
    The Agency may. by SEP. require a supplier to
    repeat treatment steos previously completed by the
    supplier_where it determines that this is
    necessary to oroperly implement the treatment
    requirements of this Section.
    Any
    such SEP
    shall
    explain the basis for its decision.
    ~J.
    Treatment
    steos
    and
    deadlines
    for
    larae
    systems.
    Except
    as
    provided
    in
    subsections
    (b) (2)
    and
    (b)
    large
    system
    supoliers
    shall
    comolète
    the follow
    corrosion control treatment steps (described
    in
    (3).
    ing
    the
    referenced
    portions
    of
    Sections
    611.352.
    611.356,
    and
    611.357) on or before the indicated dates.
    U
    Step 1:
    The supplier shall conduct initial
    monitoring
    (Sections
    611.356(d)
    (1)
    and
    611.357(b))
    during
    two
    consecutive
    six—month
    monitoring
    periods
    on
    or
    before
    January
    1.
    1993.
    BOARD
    NOTE:
    USEPA
    specified
    January
    1.
    1993
    at
    40
    CFR
    141.81(d)
    (1).
    In
    order
    to
    remain
    identical-
    in-substance and to retain state primacy, the
    Board
    retained
    this
    date despite the fact that
    this Section became effective after that date.
    21
    Step
    2:
    The supplier shall comolete corrosion
    control
    studies
    (Section
    611.352(c))
    on
    or
    before
    July 1.
    1994.
    21
    Step
    3:
    The
    Agency
    shall approve optimal
    corrosion
    control
    treatment
    (Section
    611.352(d))
    by a SEP issued vursuant to Section 611.110 on or
    before January
    1.
    1995.
    j)
    Step 4:
    The supplier shall install optimal
    corrosion
    control
    treatment
    (Section
    611.352(e))
    by
    January
    1.
    1997.
    0139-0238

    61
    ~
    Step
    5:
    The suoolier shall complete follow—up
    sampling
    (Sections 611.356(d) (2) ‘and 611.357(c))
    by January 1.
    1998.
    ~J
    Steo 6:
    The Aaencv shall review installation of
    treatment and aoorove ootimal water auality
    control parameters (Section 611.352(f)) by July
    1..
    1998.
    fl
    Step 7:
    The supplier shall operate in compliance
    with_the Agency-specified optimal water quality
    control parameters (Section 611.352(a)) and
    continue to conduct ta~sampling
    (Sections
    611.356(dU3) and 611.357(d)).
    ~j
    Treatment steps and deadlines for small and medium—
    sized sYstem suppliers.
    Except as provid~din
    subsection
    (b). small and medium—sized system suppliers
    shall complete the followina corrosion control
    treatment steps (described in the referenced portions
    of Sections 611.352. 611.356 and 611.357) by the
    indicated
    time
    periods.
    U
    Step 1:
    The supplier shall conduct initial tap
    sampling
    (Sections 611.356(d) (1) and 611.357(b))
    until the suoolier either exceeds the lead action
    level or the copper action level or it becomes
    eligible for reduced monitoring under Section
    611. 356(d) (4).
    A suoplier exceeding the lead
    action level or the copper action level shall
    recommend ootimal corrosion control treatment
    (Section 611.352(a)) within six months after
    it
    exceeds one of the action levels.
    21
    Steo 2:
    Within 12 months after a suoplier exceeds
    the lead action level or the copper action level.
    the Agency may require the supplier to perform
    corrosion control studies (Section 611.352(b)).
    If_the Aaency does no~require the suoolier to
    Perform such studies.
    ~he
    Agency shall, by a
    SEP
    issued pursuant to Section 611.110. soecify
    optimal corrosion control treatment (Section
    611.352(d)) within the followina timeframes:
    ~
    for medium-sized systems. within 18 months
    after such supplier exceeds the lead action
    level or the copper action level.
    ~j
    for small systems. within 24 months
    after
    such supplier exceeds the lead action level
    or the copper action level.
    01 39-Q239

    62
    fl
    Step 3:
    If the Agency requires a suoplier to
    perform corrosion control studies under step
    2
    (subsection
    (e)(2fl. the suoplier shall complete
    the studies (Section 611.352(c)) within 18 months
    after the ‘Agency requires that such studies be
    conducted.
    i~.
    Step 4:
    If
    the
    supolier has performed corrosion
    control studies under steP 2
    (subsection
    (e) (2)).
    the_Aaency shall, by
    a
    SEP
    isSued pursuant to
    Section 611.110. aporove optimal corrosion control
    treatment (Section 611.352(d)) within 6 months
    after completion of step
    3 (subsection
    (e)(3fl.
    ~j
    Step 5:
    The supplier shall install potimal
    corrosion control treatment (Section 611.352(e))
    within 24 months after the Agency aporoves such
    treatment.
    ~QI
    Step 6:
    The supolier shall comolete follow-up
    samplina (Sections 611.356(d) (2) and 611.357(c))
    within 36 months after the Agency aporoves optimal
    corrosion control treatment.
    21
    Step 7:
    The Agency shall review the supplier’s
    installation of treatment and, by a SEP issued
    pursuant to Section 611.110. approve optimal water
    quality control parameters
    (Section 611.352(f))
    within 6 months after completion of step
    6
    (subsection
    (e) (6)).
    ~j
    Step 8:
    The supolier shall ooerate in compliance
    with the Aaency-aoproved optimal water ~a1ity
    control parameters (Section 611.352(a))
    and
    continue to conduct tao sampling (Sections
    611.356(d) (3) and 611.357(d)).
    BOARD
    NOTE:
    Derived from 40 CFR 141.81
    (1992).
    (Source:
    Added at 16 Ill. Reg.
    __________,
    effective
    ___________
    Section 611.352
    Corrosion Control Treatment
    Each supplier shall complete the corrosion control treatment
    requirements described below that are applicable to such supolier
    under Section 611.351.
    ~j
    System recommendation regarding corrosion control
    treatment.
    11.
    Based on the results
    of
    lead
    and
    cooper
    tap
    0139Q2~O

    63
    monitoring and water quality oarameter monitoring.
    small
    and medium-sized system suopliers exceeding
    the lead action level or the coooer action level
    shall recommend to the Agency installation of
    ~
    or more of the corrosion control treatments listed
    in subsection
    (c) (1) that the supplier believes
    constitutes ootimal corrosion control for its
    system.
    21
    The Aaency may. by a
    SEP
    issued oursuant to
    Section 611.110. require the supplier to conduct
    additional water quality parameter monitoring in
    accordance with Section 611.357(b) to assist it in
    reviewing the supplier’s recommendation.
    hi
    Agency—re~iredstudies of corrosion control treatment.
    The Agency may, by
    p
    SEP issued Pursuant to Section
    611.110, require p~ysmall or medium—sized system
    suoolier that exceeds the lead action level or the
    coooer action level to oerform corrosion control
    studies under subsection
    (C) to identify ootimal
    corrosion control treatment for its system.
    ~j
    Performance
    of
    studies:
    IL
    Any
    supplier performing corrosion control studies
    shall evaluate the effectiveness of each of the
    following treatments.
    and.
    if appropriate.
    combinations of the followina treatments, to
    identify the optimal corrosion control treatment
    f
    or its system:
    ~
    alkalinity and oH adjustment
    ~j.
    calcium hardness adjustment; and
    Qj
    the addition of a ohosphate- or silicate—
    based corrosion inhibitor at
    a concentration
    sufficient to maintain an effective residual
    concentration in all test tao samples.
    21
    The suoplier shall evaluate each of the corrosion
    control treatments using either piPe rig/boo
    tests; metal couoon tests; partial—system tests;
    or analyses based on documented anaboaous
    treatments in other systems of similar size, water
    chemistry, and distribution system configuration.
    IL
    The
    suoplier
    shall
    measure the following water
    quality
    parameters
    in
    any
    tests
    conducted
    under
    this subsection before and after evaluating the
    corrosion control treatments listed above:
    O139-02~I

    64
    Al
    lead:
    ~j
    cooper:
    PII~
    alkalinity:
    .~1
    calcium:
    £1
    conductivity
    Qj
    orthoohosohate (when an inhibitor containing
    a phosphate comoound is used):
    ~jj
    silicate (when an inhibitor containing a
    silicate compound is used); and
    ~j
    water temoerature.
    .41
    The supplier shall identify all chemical or
    ohysical constraints that limit or orohibit the
    use of a oarticular corrosion control treatment.
    and document such constraints with at least one of
    the
    following:
    Al
    data and documentation showing that a
    oarticular corrosion control treatment has
    adversely affected other water treatment
    processes when used by another supplier with
    comparable water quality characteristics; or
    ~I
    data and documentation demonstrating that the
    supplier has oreviously attempted to evaluate
    a particular corrosion control treatment.
    finding either that the treatment is
    ineffective or it adversely affects other
    water ~ality
    treatment processes.
    .~L
    The supolier shall evaluate the effect of the
    chemicals used for corrosion control treatment on
    other water quality treatment processes.
    ~j
    On the basis of an analysis of the data generated
    during each evaluation, the supplier shall
    recommend to the Agency.
    in writina,
    that
    treatment option the corrosion control studies
    indicate constitutes optimal corrosion control
    treatment for its system.
    The supplier shall
    provide a rationale for its recommendation, along
    with all supporting documentation specified in
    subsections
    (c) (1) through
    (c) (5).
    01 39-O2~42

    65
    ~j
    Aaencv
    aooroval
    of
    treatment:
    ~3j..Based on consideration of available information
    includina. where apolicable.
    studies oerformed
    under
    subsection
    (c)
    and
    a supplier’s recommended
    treatment alternative, the Agency shall, by a
    SEP
    issued oursuant to Section 611.110. either approve
    the corrosion control treatment option recommended
    by the supplier, or deny and re~ire investigation
    and recommendation of alternative corrosion
    control treatment(s) from amona those listed in
    subsection
    (C) (1).
    When approving optimal
    treatment. the Agency shall consider the effects
    that_additional corrosion control treatment will
    have on water quality Parameters and on other
    water
    quality
    treatment
    processes.
    IL
    The Agency shall,
    in any SEP issued under
    subsection
    (d) (1). notify the suoplier of the
    basis for this determination.
    ~j.
    Installation of optimal corrosion control.
    Each
    supplier
    shall
    properly
    install
    and operate. throuahout
    its distribution system. that optimal corrosion control
    treatment aporoved by the Aaencv pursuant to subsection
    (d)’.
    ~
    Aaencv review of treatment and specification of optimal
    water
    quality
    control
    parameters.
    The Aaencv shall
    evaluate the results of all lead and coooer tao samoles
    and water quality parameter samPles submitted by the
    suoolier and determine whether it has properly
    installed and operated the optimal corrosion control
    treatment
    aooroved
    pursuant
    to subsection
    (d).
    U
    UPon
    reviewing
    the
    results
    of tap water and water
    auality Parameter monitoring by the supplier, both
    before and after the installation of optimal
    corrosion control treatment. the Aaency shall. by
    a SEP issued pursuant to Section 611.110.
    soecifv:
    Al
    a minimum value or a ranae of values for oH
    measured at each entry point to the
    distribution system:
    ~
    a minimum pH value, measured in all tap
    samples.
    Such value shall be equal to or
    greater than 7.0. unless the Aaencv
    determines
    that
    meeting
    a
    pH
    level
    of
    7.0
    is
    not
    technologically
    feasible
    or
    is
    not
    necessary for the supplier to optimize
    corrosion control
    01 39-021~3

    66
    Qj
    if
    a
    corrosion
    inhibitor
    is
    used,
    a
    minimum
    concentration or a ranae of concentrations
    for the inhibitor, measured at each entry
    point to the distribution system and in all
    tao samples, that the Agency determines is
    necessary to form a oassivatincj film on the
    interior walls of the pioes of the
    distribution system
    Q)~
    if alkalinity is adlusted as part of optimal
    corrosion control treatment,
    a minimum
    concentration or a ranae of concentrations
    for alkalinity, measured at each entry point
    to the distribution system and in all tao
    samples
    ~j
    if calcium carbonate stabilization is used as
    oart
    of corrosion
    control.
    a
    minimum
    concentration or a range of concentrations
    for calcium, measured in all tap samples.
    IL
    The values for the aoolicable water quality
    control parameters listed in subsection
    (f) (1~
    shall be those that the Aaencv determines reflect
    optimal corrosion control treatment for the
    supplier.
    IL
    The Agency may. by
    p
    SEP
    issued pursuant to
    Section 611.110. aporove values for additional
    water quality control parameters determined by the
    Aaency to reflect optimal corrosion control, for
    the supplier’s system.
    IL
    The
    Agency
    shall.
    ir~issuing a SEP. explain these
    determinations
    to
    the
    supplier. alona with the
    basis
    for
    its
    decisions.
    gj
    Continued Operation and Monitoring.
    il
    All suppliers shall maintain water auai.itv
    oarameter values at or above minimum values or
    within ranges aooroved by the Agency under
    subsection
    (f)
    in each samole collected under
    Section 611.357(d).
    IL
    If the water quality Parameter value of any samole
    is below the minimum value or outside the range
    aooroved by the Agency. then the supplier is out
    of
    compliance
    with
    this
    subsection.
    fl
    As
    specified
    in
    Section
    611.357(d),
    the
    supplier
    may
    take
    a
    confirmation
    samole
    for
    any
    water
    Ol3902’4~

    67
    quality parameter value no later than
    3
    days
    after
    the first sample.
    If a confirmation sample is
    taken, the result must be averaged with the first
    samolina result, and the average must be used for
    any compliance determinations under this
    subsection.
    The Agency may delete results of
    obvious sampling errors from this calculation.
    ~
    Modification of Aaencv treatment decisions.
    U
    On its
    own
    initiative, or in response to a request
    by a suoplier. the Agency may. by a
    SEP
    issued
    pursuant to
    this subsection and Section 611.110.
    modify its determination of the optimal corrosion
    control treatment under subsection
    (d)
    or of the
    optimal water quality control parameters under
    subsection
    (f).
    IL
    A reauest for modification must be in writing.
    exolain why the modification is aoprooriate. and
    provide suoportina documentation.
    IL
    The Aaencv may modify its determination where it
    determines that such change
    is necessary to ensure
    that the suoplier continues to optimize corrosion
    control treatment.
    A revised determination must
    set forth the new treatment requirements, explain
    the basis for the Aaency’s decision, and provide
    an implementation schedule for completing the
    treatment modifications
    Al
    Any
    interested
    person may submit information to
    the Agency bearing
    p~
    whether the Agency should,
    within its discretion.
    issue a
    SEP
    to
    modify its
    determination oursuant to subsection
    (h) (1).
    An
    Agency determination not to act on a submission of
    such information by an interested oerson is not an
    Aaency determination for the purposes of Sections
    39 and 40 of the Act.
    LL
    Treatment decisions by USEPA.
    Pursuant to the
    procedures in 40 CFR 142.19.
    the
    USEPA Regional
    Administrator has reserved the prerogative to review
    treatment determinations made by the Agency under
    subsections
    (d).
    (f). or
    (h) and issue federal
    treatment determinations consistent with ‘the
    requirements of 40 CFR 141.82(d).
    (e).
    or
    (h), where
    the
    Regional
    Administrator
    finds
    that:
    IL
    the Agency has failed to issue a treatment
    determination by the applicable deadlines
    contained
    in
    Section
    611.351
    (40
    CFR
    141.81).
    01
    39-021~5

    68
    IL
    the Aaency has abused its discretion in a
    substantial number of cases or in cases affecting
    a substantial population.
    or
    IL
    the technical aspects of the Agency’s
    determination would be indefensible in an expected
    federal enforcement action taken a~ainsta
    supplier.
    BOARD NOTE:
    Derived from 40
    CFR
    141.82
    (1992).
    (Source:
    Added at 16 Ill. Reg.
    ,
    effective
    ___________
    Section
    611.353
    Source
    Water
    Treatment
    Suopliers shall complete the aoplicable source water monitoring
    and
    treatment
    requirements
    (described
    in
    the
    referenced
    oortions
    of subsection
    (bY. and in Sections 611.356 and 611.358) by the
    following
    deadlines.
    ~j
    Deadlines for Comoleting Source Water Treatment Steps
    IL.
    Steo 1:
    A supplier exceeding the lead action
    level or the coooer action level shall comolete
    lead and cooper source water monitoring
    (Section
    611.358(b)) and make a treatment recommendation to
    the Aaency (subsection
    (b) (1)) within 6 months
    after exceeding the pertinent action level.
    21
    SteP
    2:
    The Aaencv shall. by p
    SEP
    issued
    pursuant to Section 611.110. make a determination
    regardina source water treatment (subsection
    (b)(2)) within
    6 months after submission of
    monitoring results under step 1.
    IL
    Steo 3:
    If the Agency requires installation of
    source water treatment,
    the supplier shall install
    that treatment (subsection (b)(3)) within 24
    months
    after
    completion
    of
    step
    2.
    .41
    Step 4:
    The supplier shall comolete follow-up tap
    water_monitorina
    (Section 611.356(d) (2)) and
    source water monitoring (Section 611.358(c))
    within 36 months after completion of step
    2.
    ~l
    Steo 5:
    The Aaencv shall. by a SEP issued
    oursuant to Section 611.110. review the supplier’s
    installation and operation of source water
    treatment and specify maximum permissible source
    water levels
    (subsection
    (b) (4)) within 6 months
    after completion of step 4.
    0
    I 39-02t~6

    69
    ~j
    Step 6:
    The supplier shall operate in compliance
    with the Agency-specified maximum permissible lead
    and cooper source water levels
    (subsection
    (b) (4))
    and continue source water monitoring (Section
    611.358(d)).
    ~j.
    Description of Source Water Treatment Requirements
    U
    System treatment recommendation.
    Any
    supobier
    that exceeds
    the
    lead action level or the copper
    action_level shall recommend in writing to the
    Agency the installation and operation of one of
    the source water treatments listed in subsection
    (b) (2).
    A supplier may recommend that no
    treatment be installed based on a demonstration
    that source water treatment is not necessary to
    minimize
    lead
    and copper levels at users’
    taps.
    IL
    Agency determination regarding source water
    treatment.
    Al
    The Agency shall comolete an evaluation of
    the results of all source water samoles
    submitted by the supplier to determine
    whether source water treatment is necessary
    to minimize lead or cooper levels in water
    delivered to users’ taps.
    ~l
    If
    the
    Agency
    determines
    that
    treatment
    is
    needed. the Agency shall. bY a SEP issued
    pursuant
    to Section 611.110. either require
    installation and ooeration of the source
    water treatment recommended by the supplier
    (if any)
    or require
    the
    installation
    and
    operation of another source water treatment
    from
    among
    the
    following:
    LL
    ion exchange.
    Li!
    reverse osmosis.
    iii)
    lime softenina
    or
    jyj
    coagulation!filtration.
    ~l
    The Agency may request and the supplier must
    submit such additional information,
    on or
    before a certain date, as the Agency
    determines is necessary to aid in its review.
    Qj
    The Agency shall notify the supplier in
    writing of its determination and set forth
    0 L39-02~7

    70
    the basis for its decision.
    IL
    Installation of source water treatment.
    Each
    supolier shall orooerlv install and oPerate the
    source water treatment approved by the Agency
    under subsection
    (b) (2).
    .41
    Aaencv
    review
    of source water treatment and
    specification of maximum oermissible source water
    levels.
    Al
    The Aaencv shall review the source water
    samoles taken by the suoolier both before and
    after the supplier installs source water
    treatment. and determine whether the supolier
    has properly installed and operated the
    approved source water treatment.
    ~j
    Based on its review, the Aaencv shall,
    bY a
    SEP issued oursuant to Section 611.110.
    aPProve the maximum oermissible lead and
    copoer concentrations for finished water
    entering
    the
    supplier’s distribution system.
    Such levels shall reflect the contaminant
    removal capability of tki~etreatment orooerly
    operated and maintained.
    ci
    The Aaency shall explain the basis for its
    decision under subsection (b)(4)(8).
    ~L
    Continued operation and maintenance.
    Each
    supplier
    shall maintain lead and cooPer levels
    below the maximum oermissible concentrations
    aooroved by the Aaencv at each sampling point
    monitored in accordance with Section 611.358.
    The
    supplier is out of compliance with this subsection
    if the level of lead or copoer at any sampling
    point is areater than the maximum permissible
    concentration aooroved by
    the
    Aaencv oursuant to
    subsection
    (b) (4) (5).
    ~j
    Modification of Agency treatment decisions.
    Al
    On its own initiative,
    or in resoonse to a
    re~estby a suoolier or other interested
    party. the Agency may. by a SEP issued
    pursuant to Section 611.110, modify its
    determination of the source water treatment
    under subsection
    (b) (2). or maximum
    permissible lead and coooer concentrations
    for finished water entering the distribution
    system under subsection
    (b) (4).
    01 39-02~8

    71
    ~l
    A request for modification by a supolier or
    other interested oartv shall be in writing,
    explain why the modification is appropriate.
    and orovide supporting documentation.
    ci
    The Agency may. by a SEP issued pursuant to
    Section 611.110. modify its determination
    where
    it concludes that such change is
    necessary
    to
    ensure
    that
    the
    supplier
    continues to minimize )ead and copoer
    concentrations in source water.
    Q1
    A revised determination made oursuant to
    subsection
    (b) (6) (C)
    shall set forth the new
    treatment requirements, explain the basis for
    the Agency’s decision, and provide an
    implementation schedule for completing the
    treatment modifications.
    fl
    Treatment decisions by USEPA.
    Pursuant to the
    procedures in 40
    CFR
    142.19. the USEPA Regional
    Administrator reserves the preroqative to review
    treatment determinations made by the Agency under
    subsections
    (b) (2).
    (b) (4).
    ot
    (b) (6) and issue
    federal treatment determinations consistent with
    the requirements of 40 CER 141.83(b)(2).
    (b)’(4),
    and
    (b) (6), where the Administrator finds that:
    Al
    the Agency has failed to issue a treatment
    determination by the aoplicable deadlines
    contained in Section 611.353 (a).
    ~j
    the Agency has abused its discretion in a
    substantial number of cases or in cases
    affecting a substantial population, or
    ci
    the technical aspects of the Agency’s
    determination would be indefensible in an
    expected federal enforcement action taken
    against a supplier.
    BOARD
    NOTE:
    Derived from 40
    CFR
    141.83
    11992).
    (Source:
    Added at 16 Ill. Reg.
    __________,
    effective
    __________
    Section
    611.354
    Lead
    Service
    Line
    Replacement
    ~j
    Suppliers
    required
    to
    replace
    lead
    service
    lines.
    IL
    Suppliers
    that
    fail
    to
    meet
    the
    lead
    action
    level
    0139-02149

    72
    in tap samoles taken oursuant to Section
    611.356(d) (2).
    after installing corrosion control
    or source water treatment (whichever sampling
    occurs
    later). shall replace lead service lines in
    accordance
    with
    the requirements of this Section.
    IL
    If a supolier is in violation of Section 611.351
    or Section 611.353 for failure to install source
    water or corrosion control treatment, the Aaency
    may, by a
    SEP
    issued pursuant to Section 611.110,
    require the supplier to commence lead service line
    reolacement under this Section after the date by
    which
    the
    suPplier
    was
    recuired
    to
    conduct
    monitoring
    under
    Section
    611.356(d) (2) has passed.
    ~j
    Annual
    reolacement
    of lead service lines.
    U
    A suoplier required to commence lead service line
    replacement Pursuant to subsection
    (a) shall
    annually
    replace
    at
    least
    7 percent of the initial
    number of lead service lines in its distribution
    system.
    IL
    The
    initial
    number of lead service lines
    is the
    number of lead lines in place at the time the
    replacement Proaram begins.
    IL
    The supplier shall identify the initial number of
    lead service lines in its distribution system
    based on a materials evaluation, including the
    evaluation required under Section 611.356(a).
    IL
    The
    first
    year
    of lead service line rePlacement
    shall begin on the date the supolier exceeded the
    action level in tap samolina referenced in
    subsection
    (a).
    ~
    Service lines not needing replacement.
    A su~p1ieris
    not_required to replace any individual bead service
    line for which the lead concentrations in all service
    line samples taken from that line oursuant to Section
    611.356(b)
    (3)
    are
    less
    than
    or
    eaual
    to
    0.015
    mgIL.
    ~j.
    Reolacement
    of
    service
    line.
    IL
    A
    supplier
    required
    to
    replace
    a
    lead
    service
    line
    oursuant to subsection
    (a)
    shall reolace the
    entire service line
    (uo to the building inlet)
    unless the Agency determines Pursuant to
    subsection
    (e)
    that
    the suoplier controls less
    than the entire service line.
    0139-0250

    73
    IL
    Replacement
    of
    less
    than
    the entire service line.
    Al
    Where
    the
    Agency
    has
    determined
    that
    the
    supplier controls less
    than
    the entire
    service line, the supolier shall replace that
    oortion of the line that
    the
    Aaency
    determines is under the supplier’s control.
    ~j
    The suoolier that will reolace less than the’
    ~ire
    service line shall notify the user
    served
    by
    the
    line
    that
    the
    supplier
    will
    reolace that portion of the service line
    under its control, and
    the
    supplier shall
    offer to reolace the remaining portion of the
    service line that is under the building
    owner’s control.
    ci
    The supplier required to replace less than
    the entire service line is not required to
    bear the cost of replacing any portion of the
    service line that is under the building
    owner’s control.
    ~1
    Offer to collect samples.
    U
    For buildings where only a portion of
    the lead service line is reobaced. the
    supplier shall inform the resident(s)
    that
    the
    supplier will collect a first
    flush tap water samole after partial
    replacement of the service line is
    completed if the resident(s) so desire.
    .jfl
    In cases where the resident(s)
    accept
    the offer, the supplier shall collect
    the sample and report the results to the
    resident(s) within 14 days folbowina
    partial lead service line replacement.
    ~j
    Control of entire service line.
    U
    A suoplier is oresumed to control the entire lead
    service line
    (up to
    the
    buildina inlet) unless the
    supplier demonstrates to the satisfaction of the
    Agency.
    in a letter submitted under Section
    611.360(e) (4). that it does not have any of the
    following forms of control over the entire line
    (as defined by state statutes. municioal
    ordinances. public service contracts or other
    applicable legal authority):
    Al
    authority to set standards for construction.
    0139-0251

    74
    repair. or maintenance of the line
    ~j.. authority to replace, repair. or maintain the
    service
    line;
    or
    ci
    ownershio
    of the service line.
    IL
    Agency determinations.
    Al
    The Aaencv shall review the information
    orovided by the suoolier and determine the
    following:
    U
    whether the suoolier controls less than
    the entire service line,
    and
    jjj
    where the supplier controls less than
    the ‘~ntireservice line, the Agency
    shal). determine the extent of the
    ...r~.liers
    control.
    ~
    The
    Agency
    shall
    make
    its
    determination
    of
    the extent of a supplier’s control of a
    service line as a SEP oursuant to Section
    611.110. and the Aaencv shall explain the
    basis for its determination.
    ~j
    Agency
    determination
    of
    shorter
    replacement
    schedule.
    fl
    The A~encvshall. by a SEP issued pursuant to
    Section 611.110. re~irea supplier to reolace
    lead service lines on a shorter schedule than that
    otherwise required by this Section if it
    determines,
    taking into account the number of lead
    service lines in the system. that such a shorter
    reolacement schedule is feasible.
    fl
    The Agency shall notify the suoplier of its
    finding oursuant to subsection
    (f) (1) within
    6
    months after the suoplier is triggered into lead
    service line reolacement based on monitoring.
    as
    referenced in subsection
    (a).
    gj
    Cessation of service line replacement.
    fl
    An~supplier may cease replacing lead service
    lines whenever it
    fulfills
    both
    of
    the
    following
    conditions:
    Al
    first draw tao samoles collected pursuant to
    Section 611.356(b) (2) meet the lead action
    level
    during
    each
    of
    two
    consecutive
    six—
    0139-0252

    75
    month
    monitoring
    periods
    and
    ~j
    the supplier has submitted those results to
    the Agency.
    IL
    If any of the suoplier’s first draw tap samples
    thereafter exceed the lead action level, the
    supplier shall recommence replacing lead service
    lines pursuant to subsection
    (b).
    XLL
    To demonstrate compliance with subsections
    (a) through
    (d), a supplier shall reoort to the Aaencv the
    information specified in Section 611.360(e).
    BOARD NOTE:
    Derived from 40 CFR 141.84
    (1992).
    (Source:
    Added at 16 Ill. Reg.
    __________,
    effective
    __________
    Section 611.355
    Public Education and Suoplemental Monitoring
    A supplier that exceeds the lead action level based on tap water
    samples collected in accordance with Section 611.356 shall
    deliver
    the
    public
    education
    materials
    required
    by
    subsections
    (a) and
    (b)
    in accordance with the requirements of subsection
    (c).
    Content of written materials.
    A supplier shall include
    the text set forth in Section 611.Aopendix E in all of
    the
    printed
    materials
    it distributes through its lead
    public education program.
    Mw
    additional information
    presented by a supolier shall be consistent with the
    information in Section 611.Appendix E and be in plain
    English that can be understood by lavoersons.
    Content of broadcast mat~ria1s. A surn,lier shall
    include
    the
    follow
    ~ng
    information
    in
    all
    public
    service
    announcements
    subm
    tted
    under its lead public education
    program to televis ~on and radio stations for broadcast:
    U
    Why
    should everyone want to know the facts about
    lead_and_drinking water?
    Because unhealthy
    amounts of lead can enter drinking water through
    the plumbing in your home.’
    That’s why I urge you
    to do what
    I did.
    I had my water tested for
    insert
    free or $
    per sample).
    You can contact
    the
    finsert the name of the city or supplierl for
    information on testing and on simple ways to
    reduce your exposure to bead in drinking water.
    21
    To
    have
    your
    water tested for lead,
    or to get more
    information about this public health concern.
    0I39~0253

    76
    please call
    insert
    the Phone number of the city
    or suoplierl.
    ~
    Delivery
    of
    a
    public
    education
    program.
    IL
    In
    communities
    where
    a
    significant
    oroportion
    of
    the oopulation speaks a lanauaae other than
    Enalish. public education materials shall be
    communicated in the aooropriate lanquage(s).
    IL
    A
    CWS
    supplier that exceeds the lead action level
    on the basis of tao water samples collected in
    accordance with Section 611.356 shall, within 60
    days do each of the following:
    Al
    insert
    notices
    in
    each
    customer’s
    water
    utility bill containing the information
    required by subsection
    (a). along with the
    followlna alert in larae orint on the water
    bill itself:
    “SOME HOMES IN THIS COMMUNITY
    HAVE ELEVATED
    LEAD
    LEVELS
    IN THEIR DRINKING
    WATER.
    LEAD
    CAN
    POSE
    A SIGNIFICANT RISK TO
    YOUR HEALTH.
    PLEASE
    READ
    THE
    ENCLOSED
    NOTICE
    FOR
    FURTHER
    INFORMATION.”
    ~J..
    submit the information reauired by subsection
    (a) to the editorial departments of the malor
    daily
    and
    weekly newsoapers circulated
    throughout
    the
    community
    ci
    deliver pamphlets or brochures that contain
    the public education materials in subsections
    (a) (2) and
    (a) (4) to facilities and
    organizations,
    including the following:
    U
    public
    schools
    or
    local
    school
    boards
    .jjj.
    the city or countY health department;
    iii) Women.
    Infants, and Children (WIC)
    or
    Head Start program(s), whenever
    available
    .iy..L
    public and orivate hospitals or clinics
    yj
    pediatricians
    y..ii
    family
    planning
    clinics;
    and
    vii)
    local
    welfare
    agencies;
    and
    ~j
    submit the public service announcement in
    0 139-02514

    77
    subsection
    (b)
    to
    at
    least
    five
    of
    the
    radio
    and television stations with the largest
    audiences
    within the community served by the
    suoplier.
    IL
    A
    CWS
    suoolier shall repeat the tasks contained in
    subsections
    (c) (2) (A) through
    (C) (2) (D)
    for as
    long as the suoplier exceeds
    the
    lead action
    level, at the following minimum frequency
    Al
    those of subsections
    (C) (2) (A) throuah
    (c) (2) (C):
    every 12 months. and
    ,~j
    those of subsection
    (c) (2) (D)
    every
    6 months.
    IL
    Within
    60
    days
    after
    it
    exceeds
    the
    lead
    action
    level,
    a
    NTNCWS
    supplier shall deliver the public
    education materials contained in Section 611.Apo-
    endix E(l).
    (2). and
    (4) as follows:
    Al
    oost informational oosters on lead in
    drinking water in
    a public place or common
    area in each of the buildings served by the
    suoolier; and
    ~j
    distribute informational pamohlets or
    brochures on lead in drinking water to each
    person served by the
    NTNCWS
    supplier.
    A NTNCWS supplier shall repeat the tasks contained
    in subsection
    (C)
    (4) at least once during each
    calendar year in which the supplier exceeds the
    lead action level.
    Qj.
    A supplier may discontinue delivery of public
    education materials after it has met the lead
    action level during the most recent six—month
    monitoring period conducted oursuant to Section
    611.356.
    Such a supplier shall begin public
    education anew in accordance with this Section if
    it subsequently exceeds the lead action level
    during any six—month monitoring
    period.
    ~j
    Supplemental monitoring and notification of results.
    A
    supplier that fails to meet the lead action level
    on
    the basis of tap samoles collected in accordance with
    Section 611.356 shall offer to samole the tao water of
    any customer who requests it.
    The supplier is not
    required to pay for collecting or analyzing the sample.
    nor is the supplier required to collect and analyze the
    sample itself.
    0 139-0255

    78
    BOARD
    NOTE:
    Derived from 40
    CFR
    141.85
    (1992).
    (Source:
    Added
    at
    16
    Ill.
    Reg.
    ,
    effective
    ______
    Section 611.356
    Tap Water Monitoring for Lead and Copper
    ~
    Samole site location.
    U
    Selecting a oool of targeted sampling sites.
    Al
    By the applicable date for commencement of
    monitoring under subsection
    (d) (1). each
    supplier shall complete a materials
    evaluation of its distribution system in
    order to identify a Pool of targeted sampling
    sites that meets the requirements of this
    Section.
    .~j..
    The
    pool
    of
    targeted
    samoling
    sites
    must
    be
    sufficiently larae to ensure that the
    suoolier can collect the
    number
    of
    lead
    and
    coooer tao samoles required by subsection
    (ci.
    ci
    The supplier shall select the sites for
    collection of first draw samoles from this
    oool of targeted samolina sites.
    Qj
    The supplier shall not select as sampling
    sites any faucets that have point—of—use or
    ooint-of—entry treatment devices designed to
    remove or caoable of removing inoruanic
    contaminants.
    IL
    Materials evaluation.
    Al
    A supplier shall use the information on lead.
    cooper, and galvanized steel collected
    oursuant to 40 CFR 141.42(d)
    (soecial
    monitoring for corrosivity characteristics)
    when
    conducting
    a
    materials
    evaluation.
    ~j
    When an evaluation of the information
    collected pursuant to 40 CYR 141.42(d)
    is
    insufficient to locate the requisite
    number
    of lead and coooer samolina sites that meet
    the tar~etinacriteria in subsection
    (a). the
    supolier shall review
    the
    following sources
    of information in order to identify a
    sufficient number of samoling sites:
    0 139-0256

    79
    U
    all plumbing codes. permits. and records
    in the files of the building
    department(s) that indicate the plumbing
    materials that are installed within
    publicly-
    and
    orivatelv—owned structures
    connected to the distribution system:
    jjj
    all inspections
    and
    records of the
    distribution system that indicate the
    material comoosition of the service
    connections which connect a
    structure
    to
    the distribution system:
    iii) all existing water quality information.
    which includes the results of all prior
    analyses of the system or individual
    structures connected to the system.
    indicating locations that may be
    particularly susceptible to high lead or
    coooer concentrations; and
    .iyl
    the supolier shall seek to collect such
    information where possible in the course
    of its normal ooerations
    (e.g.. checking
    service line materials when reading
    water meters or performing maintenance
    activities).
    IL
    Tiers of sampling sites.
    Suooliers shall
    categorize the sampling sites within their pool
    according to the following tiers:
    Al
    CWS
    Tier 1 sampling sites.
    “CWS
    Tier 1
    samolina sites” áhall include the following
    single—familv structures:
    U
    those that contain cooper piPes with
    lead solder installed after 1982 or
    which contain lead oipes; or
    uI
    those that are served by a lead service
    line.
    ~j
    CWS
    Tier 2 sampling sites,
    “CWS
    Tier
    2
    sampling sites” shall include the following
    buildings,
    including multiole-family
    structures:
    U
    those that contain coooer piPes with
    lead solder installed after 1982 or
    contain lead pipes: or
    0 139-0257

    80
    LiL
    those that are served by a lead service
    line.
    ~
    CWS
    Tier
    3
    sampling
    sites.
    “CWS
    Tier
    3
    samoling sites” shall include the following
    single-family structures:
    those that contain
    cooPer pipes with lead solder installed
    before 1983.
    Qj
    NTNCWS
    Tier
    1 sampling sites.
    “NTNCWS
    Tier 1
    samolina sites” shall include the followina
    buildinas:
    U
    those that contain copper pipes with
    lead solder installed after
    1982 or
    which contain lead pipes: or
    £jI
    those
    that
    are
    served
    by
    a bead service
    line.
    ~j
    Alternative
    NTNCWS
    sampling sites.
    “Alternative
    NTNCWS
    sampling
    sites”
    shall
    include the following buildings:
    those that
    contain
    copper
    pipes
    with
    lead
    solder
    installed before 1983.
    IL
    Selection of samolina sites.
    Suooliers shall
    select sampling sites for their sampling pool as
    follows:
    Al
    CWS
    Suppliers.
    CWS
    suppliers
    shall use
    CWS
    tier
    1 samplina sites. exceot that the
    supplier may include
    CWS
    tier
    2 or
    CWS
    tier
    3
    sampling sites in its samoling pool as
    follows:
    fl
    If multiple—family residences comorise
    at least 20 oercent of the structures
    served by a supplier, the suoplier
    may
    use
    CWS
    tier
    2 sampling sites in its
    samoling pool: or
    UL
    If the
    CWS
    suoolier has an insufficient
    number of
    CWS
    tier
    1
    samoling
    sites
    on
    its distribution system, the surnlier
    may
    use
    CWS
    tier
    2 sampling sites
    in its
    sampling pool; or
    iii)
    If fewer than 20 oercent of the
    structures served by the suoplier are
    multiple-family residences.
    and the
    CWS
    supplier has an insufficient number of
    0139-0258

    81
    CWS
    tier 1 and
    CWS
    tier
    2
    sampling
    sites
    on its distribution system. the supplier
    may complete its samoling pool with
    CWS
    tier
    3 samoling sites.
    ~j
    NTNCWS
    suppliers.
    An
    NTNCWS
    supplier shall
    select
    NTNCWS
    tier
    1 sampling sites for its
    sampling pool. except if the
    NTNCWS
    supolier
    has an insufficient number of
    NTNCWS
    tier 1
    sampling sites., the suoplier may complete its
    samoljng pool with alternative
    NTNCWS
    samoling sites.
    ci
    Agency submission by suppliers with an
    insufficient number of
    CWS
    or
    NTNCWS
    tier I
    sampling sites.
    U
    Any CWS or
    NTNCWS
    supplier whose
    sampling oool does not include a
    sufficient number of sites to consist
    exclusively of CWS tier 1 sampling sites
    or
    NTNCWS
    tier
    1 sampling sites, as
    aPPropriate., shall submit a letter to
    the AgencY under Section 611.360(a) (2)
    that demonstrates why a review of the
    information listed in subsection
    (a) (2)
    was inadequate to locate a sufficient
    number
    of
    CWS
    tier 1 samplina sites or
    NTNCWS
    tier
    1. sampling sites.
    iiL
    Any CWS
    supplier that wants to include
    CWS
    tier
    3 sampling sites in its
    sampling oool shall demonstrate in
    a
    letter to the Agency why it was unable
    to locate a sufficient number of
    CWS
    tier
    1 sampling sites and
    CWS
    tier
    2
    sampling sites.
    QI
    Suopliers with lead service lines.
    Any
    supplier
    whose
    distribution
    system
    contains
    lead service lines shall draw samples during
    each six—month monitoring period from
    sampling sites as follows:
    U
    50 oercent of the samples from sampling
    sites that contain lead pipes or from
    sampling sites that have copper pipes
    with lead solder, and
    uI
    50 percent of those samples from sites
    served by a lead service line.
    0139 -0259

    82
    iii) A suPplier that cannot identify a
    sufficient number of samolina sites
    served by a lead service line shall
    demonstrate in a letter to the Aaencv
    under Section 611.360(a) (4) that it was
    unable to locate a sufficient
    number
    of
    such sites.
    jy).
    Any suoolier that cannot identify a
    sufficient number of sampling sites
    served by a lead service line shall
    collect first draw samples from all of
    the sites on its distribution system
    identified
    as
    being
    served
    by
    such
    lines.
    ~j
    Samole
    collection
    methods.
    11
    All tao samoles for lead and copper collected in
    accordance with this subpart. with the exception
    of lead service line samoles collected under
    Section 611.354(c). shall be first draw samples.
    IL
    First—draw
    taP
    samples.
    Al
    Each first-draw tap samPle for lead and
    copoer shall be one liter in volume and have
    stood motionless in the plumbing system of
    each samolina site for at least six hours.
    ~j.
    First draw samples from residential housing
    shall be collected from the cold water
    kitchen tap or bathroom sink tap.
    ci
    First-draw samoles from a non-residential
    building shall be collected at an interior
    tap from which water is typically drawn for
    consumption.
    Qj
    First draw samoles may be collected by the
    supplier or the supplier may
    allow
    residents
    to collect first draw samoles after
    instructing the residents of the samoling
    procedures specified in this subsection.
    U
    To avoid problems of residents handling
    nitric acid, acidification of first draw
    samples may be done up to 14 days after
    the samole
    is collected.
    Lii
    If the first draw sample is not
    acidified immediately after collection.
    0139-0260

    83
    then the
    sample
    must stand_ia the
    original container for at least 28 hours
    after acidification.
    ~j
    If a supplier allows residents to perform
    sampling under subsection
    (b) (2) (Di..
    the
    supplier may not challenae the accuracy of
    sampling results based on alleged errors in
    samole collection.
    IL
    Service line samples.
    Al
    Each service line sample shall be one liter
    in volume and have stood motionless in the
    lead service line for at least six hours.
    j~
    Lead service line samples shall be collected
    in one of the following three ways:
    U
    at the tap after flushing that volume of
    water
    calculated
    as
    being
    between
    the
    ta~and the lead service line based on
    the interior diameter and lenath of the
    oipe between the taD and the lead
    service line
    jjJ~.
    tapping
    directly
    into
    the
    lead
    service
    line; or
    iii)
    if
    the
    sampling
    site
    is
    a
    sinale—family
    structure,
    allowing
    the
    water
    to
    run
    until there is a significant chanae in
    temperature
    that
    would
    be
    indicative
    of
    water that has been standing in the lead
    service line.
    IL
    Follow-up first draw tap samples.
    Al
    A
    supplier
    shall
    collect
    each
    follow-up
    first
    draw tao sample from the same sampling site
    from which it collected the previous
    sample(s).
    ~j.
    If.
    for any reason, the supplier cannot gain
    entry to a sampling site in order to collect
    a follow-up tap sample. the supplier may
    collect the follow—uo ta~samole from another
    sampling site in its sampling pool,
    as long
    as the new site meets the same targeting
    criteria and
    is within reasonable proximity
    of the original site.
    CH
    ~-U26I

    84
    ~j
    Number of samples
    ii.
    Suopliers shall collect at least one sample from
    the number of sites listed in the first column of
    Section 611.Table D (labelled “standard
    monitoring”)
    during
    each
    six—month
    monitoring
    period specified
    in subsection
    (d).
    21
    A supplier conducting reduced monitoring pursuant
    to subsection
    (d) (4) may collect one sample from
    the number of sites specified in the second column
    of_Section 611.Table D (labelled “reduced
    monitoring”) during each reduced monitoring period
    specified in subsection
    (dl (4).
    ~j
    Timing of monitoring
    U
    Initial tap sampling.
    The first six—month monitoring period for small.
    medium—sized and large system suppliers shall
    begin on the dates specified in Section 61l.Table
    F.
    Al
    All large system suppliers shall monitor
    during each of two consecutive six—month
    periods.
    ~j
    All small and medium-sized system suppliers
    shall monitor during each consecutive six-
    month monitoring period until:
    jj~
    the
    supplier
    exceeds
    the
    lead
    action
    level or the copper action level and is
    therefore reguired to implement the
    corrosion control treatment requirements
    under Section 611.351.
    in which case the
    supplier shall continue monitoring in
    accordance with subsection
    (di (2). or
    jjj
    the supplier meets the lead action level
    and
    the
    cooper
    action
    level
    during
    each
    of
    two
    consecutive
    six—month
    monitoring
    periods,
    in which case the supplier may
    reduce monitoring in accordance with
    subsection
    (di (4).
    .~j
    Monitoring after installation of corrosion control
    and source water treatment.
    ~j
    Any large system supplier that installs
    optimal corrosion control treatment pursuant
    0
    i
    39-0262

    85
    to Section 611.351(d) (4)
    shall monitor during
    each of two consecutive six—month monitoring
    periods before the date specified in Section
    611.351(d) (5)
    ~j-
    AnY small or medium-sized system supplier
    that installs optimal corrosion control
    treatment pursuant to Section 611.351(e) (5)
    shall monitor durina each of two consecutive
    six-month monitoring periods before the date
    specified in Section 611.351(e) (6).
    ~
    Any supplier that installs source water
    treatment pursuant to Section 611.353(a) (3)
    shall monitor during each of two consecutive
    six—month monitoring periods before the date
    specified in Section 611.353(a) (4).
    ~3J.
    Nonitorjnci after the Agency specification of water
    quality parameter values for optimal corrosion
    control.
    After
    the
    Agency
    specifies
    the
    values
    for
    water
    quality
    control
    parameters
    oursuant
    to
    Section
    611.352(f).
    the
    supplier
    shall
    monitor
    during
    each
    subsequent six-month monitoring
    oeriod.
    with
    the
    first six-month monitoring oeriod to begin on the
    date the A~encvsoecifies the optimal values.
    IL
    Reduced monitoring.
    Al
    Reduction to annual for small and medium—
    sized system suppliers meeting the lead and
    copper action levels.
    A small or medium—
    sized system supplier that meets the lead and
    copper action levels during each of two
    consecutive six—month monitoring periods may
    reduce_the number of samples in accordance
    with subsection
    (c). and reduce the freauency
    of sampling to once per year.
    ~j
    SEP allowing reduction to annual for
    suppliers maintaining water quality control
    parameters.
    fl
    The Agency shall,
    by a SEP granted
    pursuant to Section 611.110, allow any
    supplier to reduce the frequency of
    monitoring to annual and the number of
    lead and copper samples to that
    specified by subsection
    (c)
    if
    it
    determines that a supplier has, during
    n
    r
    U
    i 3
    ~‘
    U

    86
    each of two consecutive six—month
    monitoring periods, maintained the range
    of values for the water quality control
    parameters specified pursuant to Section
    611.352(f)
    as reflecting optimal
    corrosion control treatment.
    JJJ..
    Any supplier may request a SEP if it
    concurrently provides the Agency with
    the
    information
    necessary
    to
    support
    a
    determination
    under
    subsection
    (d) (4) (B~(i)
    iii) The Agency shall set forth the basis for
    its determination under subsection
    (d) (4)
    (B) (i).
    jyj
    The Agency shall,
    by a SEP issued
    pursuant
    to
    Section
    611.110.
    review,
    and
    where
    aopropriate,
    revise
    its
    subsection
    (d) (4)
    (B) (i)
    determination
    when
    the
    supplier submits new monitoring or
    treatment data, or when other data
    relevant to the number and frequency of
    ta~ sampling
    becomes
    available
    to
    the
    Agency.
    ci
    Reduction
    to
    triennial
    for
    small
    and
    medium-
    sized system suppliers.
    U
    Small and medium-sized system suppliers
    meeting lead and copper action levels.
    A small or medium—sized system supplier
    that meets the lead and cooper action
    levels
    during
    three
    consecutive
    years
    of
    monitoring may reduce the frequency of
    monitoring for lead and cooper from
    annually
    to
    once
    every
    three
    years.
    JJJ..
    SEP for suppliers meeting ootimal
    corrosion
    control
    treatment.
    The
    Agency
    shall, by a SEP granted pursuant to
    Section 611.110. allow a supplier to
    reduce its monitoring frequency from
    annual to triennial
    if it determines
    that the supplier, during each of three
    consecutive years of monitoring, has
    maintained the range of values for the
    water quality control parameters
    specified as representing optimal
    corrosion control treatment pursuant to
    Section 611.352(f).
    Any supplier may
    Ut
    3~-u261~

    87
    request a SEP if
    it concurrently
    provides the Agency with the information
    necessary to support a determination
    under this subsection.
    The Agency shall
    set forth the basis for its
    determination.
    The Agency shall,
    by a
    SEP issued oursuant to Section 611.110,
    review,
    and where appropriate, revise
    its determination when the supplier
    submits new monitoring or treatment
    data,
    or when other data relevant to the
    number and frequency of tap sampling
    becomes available to the Agency.
    QI
    Sampling at a reduced frequency.
    A supplier
    that reduces the number and frequency of
    sampling shall collect these samples from
    sites included in the pool of tar~eted
    sampling sites identified in subsection
    (a).
    Suppliers sampling annually or less
    frequently shall conduct the lead and copper
    tao sampling during the months of June. July.
    August, or September.
    ~j
    Resumption of standard monitoring.
    U
    Small or medium—sized suooliers
    exceeding
    lead
    or
    copper
    action
    level.
    A small or medium—sized system supplier
    subiect to reduced monitoring that
    exceeds the lead action level or the
    copper
    action
    level
    shall
    resume
    sampling in accordance subsection
    (d) (3)
    and collect the number of samples
    specified for standard monitoring under
    subsection
    (c).
    Such a supplier shall
    also conduct water quality parameter
    monitoring in accordance with Section
    611.357
    (b).
    (c), or
    (d)
    (as
    appropriate) during the six-month
    monitoring
    period
    in
    which
    it
    exceeded
    the action level.
    Lii
    Suppliers failing to operate within
    water quality control parameters.
    Any
    supplier subject to reduced monitoring
    frequency that fails
    to operate within
    the range of values for the water
    quality control parameters specified
    pursuant to Section 611.352(f)
    shall
    resume tap water sampling
    in accordance
    with subsection
    (d) (3)
    and collect the
    U
    ~
    -
    3

    88
    number of samples specified for standard
    monitoring under subsection
    (c).
    ~j
    Additional monitoring.
    The results of any monitoring
    conducted in addition to the minimum requirements of
    this section shall be considered by the supplier and
    the Agency in making any determinations (i.e..
    calculating the 90th percentile lead action level
    or
    the cooper level) under this subpart.
    BOARD NOTE:
    Derived from 40 CFR 141.86
    (1992).
    (Source:
    Added at 16
    Ill. Reg
    effective
    ___________
    Section 611.357
    Monitoring for Water Quality Parameters
    All large system suppliers,
    and all small and medium-sized system
    suppliers that exceed the lead action level or the cooper action
    level, shall monitor water quality parameters in addition to lead
    and copper in accordance with this Section.
    The requirements of
    this Section are summarized in Section 611.Table G.
    ~j
    General Requirements
    U
    Sample collection methods
    Al
    Use of tap samples.
    The totality of all tap
    samples collected by a supplier shall be
    representative of water quality throughout
    the distribution system taking into account
    the number of persons served, the different
    sources of water, the different treatment
    methods employed by the supplier, and
    seasonal variability.
    Although a supplier
    may conveniently conduct tap sampling for
    water quality parameters at sites used for
    coliform sampling performed pursuant to
    611.Subpart
    L,
    it
    is not required to do so,
    and
    a supplier
    is not required to perform tap
    sampling pursuant to this Section at taos
    targeted for lead and copper sampling under
    Section 611.356(a).
    ~J
    Use of entry point samples.
    Each supplier
    shall collect samples at entry point(s) to
    the distribution system from locations
    representative of each source after
    treatment.
    If a supplier draws water from
    more than one source and the sources are
    combined before distribution,
    the supplier
    must sample at an entry point to the
    0139-0266

    89
    distribution system during periods of normal
    operating conditions
    (i.e., when water is
    representative of all sources being used).
    ~j...Number of samples
    Al
    TaP samples.
    Each supplier shall collect two
    tap samples for applicable water quality
    parameters during each six—month monitoring
    period
    specified
    under
    subsections
    (b)
    through
    (e) from the number of sites
    indicated in the first column of Section
    611.Table E.
    ~
    Entry point samples.
    U
    Initial monitoring.
    Each supplier shall
    collect two samoles for each applicable
    water quality oarameter at each entry
    point to the distribution system during
    each six—month monitoring period
    specified in subsection
    (b).
    Lii
    Subsequent monitoring.
    Each supplier
    shall collect one samole for each
    aoplicable water quality parameter at
    each entry point to the distribution
    system
    during
    each
    six—month
    monitorina
    period specified in subsections
    (c)
    throu~h(e).
    ~
    Initial Sampling.
    U
    Large
    systems.
    Each
    larae
    system
    supplier
    shall
    measure
    the
    applicable
    water
    ~ality
    parameters
    specified
    in
    subsection
    (b) (3)
    at
    taps
    and
    at
    each
    entry
    point
    to
    the
    distribution
    system
    during
    each
    six-month
    monitoring
    period
    specified
    in Section
    611.356(d) (1).
    21
    Small
    and
    medium—sized
    systems.
    Each small and
    medium—sized system supplier shall measure the
    applicable water quality parameters specified in
    subsection
    (b) (3)
    at the locations specified in
    this subsection during each six—month monitoring
    period specified in Section 611.356(d) (1) durina
    which the supplier exceeds the lead action level
    or the copper action level.
    fl
    Water quality parameters:
    Al
    PIlL
    U
    39-0267

    90
    ~j
    alkalinity
    ci
    orthophosphate. when an inhibitor containing
    a phosphate compound is used
    ~j
    silica, when an inhibitor containing a
    silicate comPound
    is used
    ~j
    calcium
    fi
    conductivity; and
    Qj
    water temperature.
    ~i
    Monitoring after installation of corrosion control.
    IL
    Lar~esystems.
    Each large system supplier that
    installs optimal corrosion control treatment
    pursuant to Section 611.351(d) (4) shall measure
    the water auality Parameters at the locations and
    frequencies specified in subsection
    (c) (3) and
    (c) (4) during each six-month monitoring oeriod
    specified in Section 611.356(d) (2) (i).
    21
    Small and medium—sized systems.
    Each small or
    medium-sized system that installs optimal
    corrosion control treatment pursuant to Section
    611.351 (e) (5)
    shall measure the water quality
    oarameters at the locations and frequencies
    specified in subsections
    (C)
    (3) and
    (c) (4) during
    each six—month monitoring period specified in
    Section 611.356(d) (2) (ii)
    in which the supplier
    exceeds
    the
    lead
    action
    level
    or
    the
    copoer
    action
    level.
    fl
    Tap water samples, two samoles at each tao for
    each of the following water quality parameters:
    Al
    PUL
    ~j
    alkalinity
    ci
    orthophosphate, when an inhibitor containing
    a ~hos~hate compound is used
    Qj
    silica, when an inhibitor containing a
    silicate compound is used;
    and
    ~
    calcium, when calcium carbonate stabilization
    is used as part of corrosion control.
    4J
    Entry point samples,
    one sample at each entry
    0139-0268

    91
    point to the distribution system every two weeks
    (bi-weeklv)
    for each of the following water
    quality parameters:
    Al
    ~lli
    ~j
    when alkalinity
    is adjusted as part of
    optimal corrosion control,
    a reading of the
    dosage rate of the chemical used to adiust
    alkalinity, and the alkalinity concentration
    and
    ~l
    when a corrosion inhibitor is used as oart of
    optimal corrosion control,
    a reading of the
    dosage rate of the inhibitor used, and the
    concentration of orthophosphate or silica
    (whichever is applicable).
    ~
    Monitoring after the Agency specifies water quality
    oarameter values for optimal corrosion control.
    IL
    Large systems.
    After the Agency has specified the
    values for applicable water quality control
    parameters reflecting optimal corrosion control
    treatment Pursuant to Section 611.352 (f). each
    large system suoplier shall measure the applicable
    water quality parameters in accordance with
    subsection
    (c)
    during each six—month monitoring
    period specified in Section 611.356(d) (3).
    21
    Small and medium—sized systems.
    Each small or
    medium—sized sYstem supplier shall conduct such
    monitoring during each six-month monitoring period
    specified in Section 611.356(d)(3)
    in which the
    supplier exceeds the lead action level or the
    copper action level.
    ~J
    Confirmation sampling.
    Al
    A supplier may take a confirmation samole for
    any water quality parameter value no later
    than
    3 days after it took the original sample
    it seeks to confirm.
    ~
    If a supplier takes a confirmation sample,
    it
    must_average the result obtained from the
    confirmation sample with the result obtained
    from the original sample it seeks to confirm.
    and the supolier shall use the average of
    these two results for any compliance
    determinations under Section 611.352(g).

    92
    Qi
    The Agency shall delete the results that it
    determines are due to obvious sampling errors
    from this calculation.
    ~j
    Reduced monitoring.
    IL
    Reduction in tap monitoring.
    A supplier that has
    maintained the range of values for the water
    quality oarameters r~flectingoptimal corrosion
    control treatment during each of two consecutive
    six—month monitoring oeriods under subsection
    (d)
    shall continue monitoring at the entry ooint(s)
    to
    the distribution system as specified in subsection
    (c) (4).
    Such a supplier may collect two samoles
    from each tap for applicable water quality
    parameters from the reduced number of sites
    indicated in the second column of Section
    611.Table E during each subsequent six-month
    monitoring period.
    21
    Reduction in monitoring frequency.
    Al
    Stages of reductions.
    U
    Annual monitoring.
    A supplier that
    maintains the range of values for the
    water auality parameters reflecting
    ootimal corrosion control treatment
    specified
    oursuant
    to
    Section
    611.352(f)
    during three
    consecutive
    years
    of
    monitoring may reduce the frequency with
    which it collects the number of tao
    samples for applicable water quality
    parameters specified in subsection
    (e) (1) from every six months to
    annually.
    jJI
    Triennial monitoring.
    A supplier that
    maintains the range of values for the
    water quality parameters reflecting
    optimal corrosion control treatment
    specified pursuant to Section 611.352(f)
    during three consecutive years of annual
    monitoring under subsection
    (e) (2) (A) (1)
    may reduce the freauencv with which it
    collects the number of tap samples for
    applicable water quality parameters
    specified in subsection
    (e) (1)
    from
    annually to once every three years.
    ~j
    A supplier that conducts sampling annually or
    every three years shall collect these samples
    0 ~39-0270

    93
    evenly throughout the calendar year so as to
    reflect seasonal variability.
    ~
    Any supplier sublect to a reduced monitoring
    frequency Pursuant to this subsection that
    fails to oPerate within the range of values
    for the water quality parameters specified
    pursuant to Section 611.352(f)
    shall resume
    ta~water sampling in accordance with the
    number and frequency requirements of
    subsection
    (U).
    il
    Additional monitoring by systems.
    The results of any
    monitoring conducted in addition to the minimum
    requirements of this section shall be considered by the
    supplier and the Agency in making any determinations
    (i.e..
    determining concentrations of water quality
    parameters) under this Section or Section 611.352.
    BOARD NOTE:
    Derived from 40 CFR 141.87
    (1992).
    (Source:
    Added at 16 111.
    Reg.
    ,
    effective
    ___________
    Section 611.358
    Monitoring for Lead and Copoer in Source
    Water
    ~j
    Sample location, collection methods, and number of
    samples
    IL
    A supplier that fails to meet the lead action
    level or the copper action level on the basis of
    tap samPles collected in accordance with Section
    611.356 shall collect lead and cooper source water
    samoles
    in
    accordance
    with
    the
    sample
    location.
    number of samples, and collection method
    requirements of Section 141.23(a) (1) through
    (a)(4)
    (as specified for inorganic chemical
    contaminants).
    The timing of sampling for lead
    and co~oershall be in accordance with subsections
    (b) and
    (c), and not with the’dates soecified in
    Section 141.23 (a) (1)
    and
    (a) (2).
    21
    SEP requiring an additional sample.
    Al
    When the Agency determines that the results
    of sampling indicate an exceedance of maximum
    permissible source water levels established
    under Section 611.353(b) (4).
    it shall. by a
    SEP issued oursuant to Section 611.110,
    require the supplier to collect one
    additional sample be collected as soon as
    0139-0271

    94
    possible after the initial sample at the same
    sampling point,
    but no later than two weeks
    after the supplier took the initial sample.
    ~j
    If a supplier takes an Agency-required
    confirmation samole for lead or cooper. the
    supplier shall averaae the results obtained
    from the initial samole with the results
    obtained from the confirmation sample in
    determining compliance with the Agency-
    specified maximum permissible levels.
    U
    Any analytical result below the
    detection limit shall be considered as
    zero for the purposes of averaging.
    JJJ
    Any value above the MDL but below the
    POL shall either be considered as the
    measured value or be considered one—half
    the POL.
    ~j
    Monitoring frequency after system exceeds tap water
    action level.
    A supolier that exceeds the lead action
    level or the copper action level in tao sampling shall
    collect one source water samole from each entry point
    to the distribution system within six months after the
    exceedance.
    cj
    Monitoring frequency after installation of source water
    treatment.
    A supplier that installs source water
    treatment oursuant to Section 611.353(a)
    (3:)
    shall
    collect an additional source water samole from each
    entry point to the distribution system during each of
    two consecutive six—month monitoring oeriods on or
    before the deadline specified in Section 611.353(a) (4).
    ,~j
    Monitoring frequency after the Agency has specified the
    maximum permissible source water levels or has
    determined that source water treatment is not needed.
    IL
    A supplier shall monitor at the frequency
    specified by subsection
    (d) (1) (A)
    or
    (d) (1) (B)
    where the Agency has specified the maximum
    permissible source water levels pursuant to
    Section 611.353(b) (4)
    or has determined that the
    supplier is not required to install source water
    treatment pursuant to Section 611.353(b) (2).
    Al
    GWS suppliers.
    IL
    A GWS supplier required to sample by
    subsection
    (d) (1)
    shall collect samples
    in 39-0272

    95
    once during the three—year compliance
    period
    (as that term is defined in
    Section 611.101) during which the Agency
    makes its determination Pursuant to
    Section 611.353(b) (4) or 611.353 (b) (2).
    jjL
    A GWS supplier required to sample by
    subsection
    (d) (1)
    shall collect samples
    once during each subseauent compliance
    period.
    ~j
    A SWS or mixed sYstem supplier shall collect
    samoles annually, the first annual monitoring
    period to begin on the date on which the
    Agency makes its determination pursuant to
    Section 611.353(b) (4) or 611.353(b) (2).
    21
    A suoolier is not required to conduct source water
    sampling for lead or coooer if the supolier meets
    the action level for the specific contaminant in
    all tap water samples collected during the entire
    source water sampling oeriod apolicable under
    subsection
    (d) (1) (A)
    or
    (U) (1) (B).
    ~
    Reduced monitoring frecruency.
    U
    A GWS suoplier that demonstrates that finished
    drinking water entering the distribution system
    has been maintained below the maximum permissible
    lead or copoer concentrations specified by the
    A~encv
    pursuant to Section 611.353 (b) (4) during at
    least three consecutive compliance Periods under
    subsection
    (d) (1) may reduce the monitoring
    frequency for lead or copper, as appropriate, to
    once during each nine—year compliance cycle
    (as
    that term is defined in Section 611. 101).
    21
    A SWS or mixed system supplier that demonstrates
    that finished drinking water entering the
    distribution system has been maintained below the
    maximum permissible lead and cooPer concentrations
    sPecified by the A~encvpursuant to Section
    611.353(b) (4)
    for at least three consecutive years
    under subsection
    (U) (1) maY reduce the monitoring
    frequency to once during each nine—year comoliance
    cYcle
    (as that term is defined in Section
    611.101).
    IL
    A supplier that uses a new source of water
    is not
    ejigible for reduced monitoring for lead or copper
    until it demonstrates by samoles collected from
    the new source during three consecutive monitoring
    ~ 0
    -
    ‘~
    7
    ‘~
    LjI~J~I
    IJC_.IJ

    96
    periods,
    of the aopropriate duration provided by
    subsection
    (U) (1). that lead or copoer
    concentrations are below the maximum permissible
    as specified by the Agency pursuant to Section
    611.353(a) (5).
    BOARD NOTE:
    Derived from 40 CFR 141.88
    (1992).
    (Source:
    Added at 16 Ill.
    Reg.
    _________,
    effective
    _________
    ______________________________)
    Section 611.359
    Analytical Methods
    ~j
    Analyses for lead, copper, pH. conductivity, calcium,
    alkalinity. orthophosphate.
    silica, and temperature
    shall be conducted using the methods set forth in
    subsection
    (b).
    IL
    Analyses performed for the purposes of compliance
    with this Subpart shall only be conducted by
    laboratories that have been certified bv’USEPA or
    the Agency.
    To obtain certification to conduct
    analyses for lead and copper, laboratories must:
    Al
    Analyze performance evaluation samples that
    include lead and coooer provided by USEPA
    Environmental Monitoring and Suoport
    Laboratory or equivalent samoles provided by
    the Agency; and
    ~j
    Achieve quantitative acceptance limits as
    follows:
    IL
    Lead:
    ±30oercent of the actual amount
    in the performance evaluation samole
    when the actual amount is greater than
    or equal to 0.005
    malL,
    and
    Lii
    Copper: ±10percent of the actual amount
    in_the performance evaluation sample
    when the actual amount is areater than
    or eaual to 0.050 mg/L;
    iii) Achieve method detection limits defined
    in Section 611.350(a) according to the
    procedures in Appendix B of Part 136
    and
    3~I Be currently certified by USEPA or the
    Agency to perform analyses to the
    specifications described in subsection
    (a) (2)
    0
    I 39-027Li.

    97
    21
    The Agency shall,
    by a SEP issued pursuant to
    Section 611.110, allow a supplier to use
    previously collected monitoring data for the
    purposes of monitoring under this Subpart if the
    data were collected an analyzed in accordance with
    the requirements of this Subpart.
    IL
    Reporting lead levels.
    Al
    All lead levels greater than or equal to the
    lead_PQL
    (Pb ?
    0.005 mg/L) must be reported
    as measured.
    ~j
    All lead levels measured less than the PQL
    and greater than the
    MDL
    (0.005 mcr/L
    Pb
    MDL) must be either reported as measured or
    as one—half the POL (0.0025 mglL).
    ~çj
    All lead levels below the lead
    MDL
    (MDL
    Pb)
    must be reported as zero.
    j).
    Reporting copper levels.
    Al
    All
    copper
    levels
    greater
    than
    or equal to
    the copper POL (Cu ?
    0.05. mg/L) must be
    reported as measured.
    ~l
    All copper levels measured less than the POL
    and areater than the
    MDL
    (0.05 mg/L
    Cu
    MDL) must be either reported as measured or
    as one—half the PQL (0.025 mq/L).
    ci
    All copper levels below the copper
    MDL (MDL
    Cu) must be reported as zero.
    ~j
    Analytical methods.
    IL
    Lead
    Al
    Atomic absorption,
    furnace technique:
    IL
    USEPA Inorganic Methods:
    Method 239.2,
    uI
    ASTN Methods:
    Method D3559-85D. or
    iii) Standard Methods:
    Method 3113
    ~J
    Inductively-coupled plasma, mass
    spectrometry:
    ICP-MS Method 200.8; or
    ~
    Atomic absorption,
    platform furnace
    technique:
    AA-Platform Furnace Method 200.9.
    0139-0275

    98
    21
    Copper
    Al
    Atomic absorption,
    furnace technigue:
    IL
    USEPA Inorganic Methods:
    Method 220.2.
    jjL
    ASTM Methods:
    Method D1688—90C.
    or
    iii) Standard Methods:
    Method 3113
    ~j.
    Atomic absorption. direct aspiration:
    IL
    USEPA Inorganic Methods:
    Method 220.1,
    jjL
    ASTN Methods:
    Method D1688-90A.
    or
    iii) Standard Methods:
    Method 3111-B
    ci
    Inductively-coupled plasma:
    IL
    ICP Method 200.7. Rev.
    3.2.
    or
    Il
    Standard Methods:
    Method 3120
    ~j
    Inductively—coupled plasma; mass
    soectrometry:
    ICP-MS Method
    200.8;
    or
    ~j.. Atomic absorption; olatform furnace
    technique:
    AA-Platform Furnace Method 200.9.
    IL
    pH:
    Electrometric:
    Al
    USEPA Inorganic Methods:
    Method 150.1 or
    150.2.
    ~j
    ASTM Methods:
    Method D1293-84B.
    or
    ci
    Standard Methods:
    Method 4500-H~.
    IL
    Conductivity:
    Conductance:
    Al
    USEPA Inorganic Methods:
    Method 120.1.
    ~j
    ASTM Methods:
    Method Dl125-82B, or
    ci
    Standard Methods:
    Method
    2510.
    ~j
    Calcium:
    Al
    EDTA titrimetric:
    0139-0276

    99
    IL
    USEPA Inorganic Methods:
    Method 215.2.
    jJJ..
    ASTM Methods:
    Method D511-88A. or
    iii) Standard Methods:
    Method 3500—Ca D
    ~j
    Atomic absoroti.on; direct aspiration:
    IL
    USEPA Inorganic Methods:
    Method 215.1.
    iil
    ASTM Methods:
    Method D511-88B.. or
    iii) Standard Methods:
    Method 3111—B; or
    QI
    Inductively-coupled plasma:
    IL
    ICP Method 200.7. Rev 3.2. or
    AlL
    Standard Methods:
    Method 3120.
    ~.L
    Alkalinity:
    Al
    Titrimetric:
    IL
    USEPA Inorganic Methods:
    Method 310.1.
    j~
    ASTM Methods:
    Method D1067-88B, or
    iii) Standard Methods:
    Method 2320; or
    ~L
    Electrometric titration:
    USGS Methods:
    Method 1—1030—85.
    21
    Orthoohosphate:
    Al
    Unfiltered,
    no
    digestion
    or
    hydrolysis:
    USEPA Inorganic Methods:
    Method 365.1
    .~L
    Colorimetric, automated, ascorbic acid:
    Standard Methods:
    Method 4500-P F
    ci
    Colorimetric. ascorbic acid, two reagent
    IL
    USEPA Inorganic Methods:
    Method 365.3,
    or
    lii
    Standard Methods:
    Method 4500-P E:
    ~L
    Colorimetric, ascorbic acid,
    single reagent:
    IL
    USEPA Inorganic Methods:
    Method 365.2.
    or
    0139-0277

    100
    hi
    ASTM Methods:
    Method D5l5-88A
    ~j
    Colorimetric. phosphomolybdate. automated-
    seamented flow or automated discrete:
    USGS
    Methods:
    Methods 1-1601—85.
    1—2601—85. or I—
    2598—85.
    fi
    Ion Chromatography:
    IL
    Ion Chromato~ra~hvMethod 300.0.
    jjj.
    ASTM Methods:
    Method D4327—88,
    or
    iii)
    Standard Methods:
    Method 4110.
    ~j
    Silica:
    AL
    Colorimetric, molvbdate blue.
    automated—
    segmented flow;
    USGS Methods:
    Methods I-
    1700—85 or 1—2700—85
    ~j
    Colorimetric:
    Al
    USEPA Inorganic Methods:
    Method 370.1.
    or
    jj.L
    ASTM Methods:
    Method D859-88
    QI
    Molybdosilicate:
    Standard Methods:
    Method
    4500—Si—D
    QJ
    Heteropoly blue:
    Standard Methods:
    Method
    4500—Si—E
    ~
    Automated method for niolybdate-reactive
    silica:
    Standard Methods:
    Method 4500-Si—F
    or
    ~
    Inductively-coupled plasma:
    IL
    ICP Method 200.7. Rev.
    3.2, or
    iii
    Standard Methods:
    Method 3120.
    ~j
    Temoerature:
    Thermometric:
    Standard Methods:
    Method 2550.
    BOARD NOTE:
    Derived from 40 CFR 141.89
    (1912i.
    (Source:
    Added at
    16 Ill. Reg
    effective
    tfl39-0278

    101
    Section 611.360
    Reporting
    A supplier shall report all of the following information to the
    Agency in accordance with this Section.
    ~
    Reporting for tap,
    lead and copper.
    and water guality
    parameter monitoring.
    IL
    A suoplier shall report the following information
    for all samoles within 10
    days
    of the end of each
    applicable sampling period specified in Sections
    611.356 through 611.358
    (i.e., every six—months,
    annually.
    or every
    3
    years).
    Al
    the results of all tap samples for lead and
    copper,
    including the location of each site
    and the criteria under Section 611.356(a) (3)
    through
    (7) under which the site was selected
    for the supolier’s sampling pool
    ~j
    a certification that each first draw samole
    collected by the suoolier was one-liter in
    volume and, to the best
    df
    the supplier’s
    knowledae. had stood motionless in the
    service line,
    or in the interior plumbing of
    a sampling site,
    for at least six hours
    QI
    where residents collected samples, a
    certification that each tao samole collected
    by the residents was taken after the supolier
    informed them of the proper sampling
    procedures specified in Section
    611.356(b) (2
    )
    ~j
    the 90th percentile lead and copper
    concentrations measured from among all lead
    and copper tap samoles collected during each
    sampling oeriod (calculated
    in accordance
    with Section 611.350(c) (3))
    ~j
    with the exception of initial tap samoling
    conducted pursuant to Section 611.356(d) (1).
    the supplier shall designate any site that
    was not sampled during previous sampling
    periods, and include an explanation of why
    sampling sites have changed
    fi
    the results of all tao samples for pH. and
    where applicable, alkalinity,
    calcium.
    conductivity, temperature, and orthophosphate
    or silica collected pursuant to Section
    611.357(b)
    through (e)
    0139-0279

    102
    Qj
    the results of all samples collected at entry
    point(s)
    for applicable water quality
    parameters pursuant to Section 611.357(b)
    through
    (e).
    21
    By the applicable date in Section 611.356(d) (1)
    for commencement of monitoring,
    each CWS supolier
    that does not complete its taraeted sampling oool
    with CWS tier
    1 sampling sites meeting the
    requirements of Section 611.356(a) (4) (A)
    shall
    send a letter to the Agency iustifving its
    selection of CWS tier
    2 sampling sites or
    CWS
    tier
    3_sampling sites pursuant to Section 611.356
    fa)(4)(il
    or
    (a)(4)(iii).
    IL
    By the applicable date in Section 611.356(d) (1)
    for_commencement of monitoring, each NTNCWS
    supplier that does not complete its sampling oool
    with NTNCWS tier 1 sampling sites meeting the
    requirements of Section 611.356(a) (4) (B)
    shall
    send a letter to the Agency lustifying its
    selection of alternative NTNCWS sampling sites
    Pursuant to that SectiQj~
    IL
    By the apolicable date in Section 611.356(d) (1)
    for commencement of monitoring, each suoplier with
    lead
    service
    lines
    that
    is
    not
    able
    to locate the
    number of sites served by such lines required by
    Section 611.356(a) (4) (D)
    shall send a letter to
    the Agency demonstrating why it was unable to
    locate a sufficient number of such sites based
    upon the information listed in Section
    611.356 (a) (2)
    ~
    Each supplier that requests that the Agency arant
    a SEP that reduces the number and frequency of
    sampling shall provide the information required by
    Section 611.356(d) (4).
    ~l
    Reporting for source water monitoring~
    IL
    A supplier shall report the sampling results for
    all_source water samples collected in accordance
    with Section 141.88 within 10 daYs of the end of
    each source water sampling period
    (i.e.,
    annually.
    per compliance period,
    per compliance cycle)
    specified in Section 611.358.
    21
    With the exception of the first round of source
    water sampling conducted pursuant to Section
    611.358(b),
    a supplier shall specify any site that
    was not sampled during previous sampling periods.
    UI
    39-0280

    103
    and include an explanation of why the sampling
    point has changed.
    ~L
    Reporting for corrosion control treatment.
    By the applicable dates under Section 611.351, a
    supplier shall report the following information:
    U
    for
    a supplier demonstrating that it has already
    optimized corrosion control, the information
    required bY Section 611.352(b) (2) or (b)(3).
    21
    for a supplier required to optimize corrosion
    control,
    its recommendation regardina optimal
    corrosion control treatment Pursuant to Section
    611.352(a).
    fl
    for a supplier required to evaluate the
    effectiveness of corrosion control treatments
    pursuant to Section 611.352(c). the information
    required by Section 611.352(c).
    IL
    for a supoljer required to install optimal
    corrosion control aporoved by the Agency pursuant
    to Section 611.352(d),
    a letter certifying that
    the supplier has completed installing that
    treatment.
    ~j
    Reporting for source water treatment.
    On or before the
    aoplicable dates in Section 611.353.
    a supplier shall
    provide the following information to the Aaency:
    U
    if required by Section 611.353(b) (1). its
    recommendation regardina source water treatment
    21
    for suppliers required to install source water
    treatment oursuant to Section 611.353(b) (2). a
    letter certifying that the suoplier has completed
    installing the treatment aooroved by the Agency
    within 24 months after the A~encvapproved the
    treatment.
    ~j
    Reporting for lead service line replacement.
    A
    supplier shall rePort the following information to the
    Agency to demonstrate compliance with the requirements
    of Section 611.354:
    IL
    Within
    12 months after
    a supplier exceeds the lead
    action level
    in sampling referred to in Section
    611.354(a). the supplier shall report each of the
    following to the Aaencv in writing:
    0139-0281

    104
    AL
    a demonstration that
    it has conducted
    a
    materials evaluation,
    including the
    evaluation required bY Section 611.356(a),
    ~j.
    identify the initial number of lead service
    lines in its distribution system, and
    QI
    provide the Agency with the suoplier’s
    schedule for annually replacing at least
    7
    percent of the initial number of lead service
    lines in its distribution system.
    21
    Within 12 months after a supplier exceeds the lead
    action level
    in sampling referred to in Section
    611.354(a).
    and every 12 months thereafter, the
    supplier shall demonstrate to the Agency in
    writing that the supplier has either:
    Al
    replaced in the previous
    12 months at least
    7
    percent of the initial number of lead service
    lines in its distribution system
    (or any
    greater number of lines specified by the
    Aaencv pursuant to Section 611.354(f)).
    or
    ~j
    conducted samplina that demonstrates that the
    lead concentration in all service line
    samples from an individual line (s), taken
    pursuant to Section 611.356(b) (3).
    is less
    than or eaual to 0.015 ma/L.
    ~
    Where the supplier makes a demonstration
    under subsection
    (e) (2) (B).. the total number
    of lines that the supplier has replaced,
    combined with the total number that meet the
    criteria of Section 611.354(b).
    shall equal
    at least
    7 percent of the initial number of
    lead lines identified pursuant to subsection
    (a)
    (or the percentage specified by the
    A~encvPursuant to Section 611.354(f)).
    fl
    The annual letter submitted to the Agency Pursuant
    to subsection
    (e) (2) shall contain the following
    information:
    Al
    the number of lead service lines originally
    scheduled to be replaced during the previous
    year of the supplier’s replacement schedule
    ~1
    the number and location of each lead service
    line actually replaced during the previous
    year of the supplier’s replacement schedule
    and
    UI
    39-0282

    105
    QI
    if measured, the water lead concentration and
    location of each lead service line sampled,
    the sampling method used, and the date of
    sampling.
    IL
    As soon as oracticable, but no later than three
    months
    after
    a
    supplier
    exceeds
    the
    lead
    action
    level in the sampling referred to in Section
    611.354(a). any supplier seeking to rebut the
    presumption that it has control over the entire
    lead service line pursuant to Section 611.354(d)
    shall
    submit
    a
    letter
    to
    the Agency describing the
    following:
    AL
    the legal authority (e.g.,
    state statutes,
    municipal ordinances, public service
    contracts or other applicable le~a1
    authority) that limits the supplier’s control
    over the service lines;
    and
    ~j...the extent of the supplier’s control over the
    service lines.
    fl
    Reporting for public education program.
    U
    BY December 31st of each calendar year. any
    supolier that is sublect to the public education
    requirements of Section 611.355 shall submit a
    letter to the Agency demonstrating that the
    supplier has delivered the public education
    materials which meet the followina requirements:
    Al
    the content requirements of Section
    611.355(a) and
    (b), and
    ~j.
    the delivery requirements of Section
    611.355(c).
    21
    The information submitted pursuant to this
    subsection shall include a
    list of all the
    newspapers, radio stations, television stations.
    facilities and organizations to which the supplier
    delivered public education materials during the
    previous year.
    ~j
    The supplier shall submit the letter required by
    this subsection annually for as long as it
    continues to exceed the lead action level.
    gJ~
    Reporting additional monitoring data.
    Any supplier
    that collects sampling data in addition to that
    required by this subpart shall report the results of
    0
    3y-0283

    106
    that sampling to the Agency on or before the end of the
    applicable sampling period(s) specified bY Sections
    611.356 through 611.358 during which the samples are
    collected.
    BOARD NOTE:
    Derived from 40 CFR 141.90
    (1992).
    (Source:
    Added at 16 Ill. Reg.
    effective
    Section 611.361
    Recordkeeping
    AnY supplier subiect to the requirements of this Suboart shall
    retain on its Premises original records of all sampling data and
    analyses. reports.
    surveys,
    letters, evaluations, schedules,
    Agency determinations, and any other information required by
    Sections 611.351 through Section 141.88.
    Each supplier shall
    retain the records required by this section for at least 12
    y~rs
    BOARD NOTE:
    Derived from 40 CFR 141.91
    (1992).
    (Source:
    Added at 16 Ill. Reg.
    ,
    effective
    SUBPART L:
    MICROBIOLOGICAL MONITORING
    AND ANALYTICAL
    REQUIREMENTS
    Section 611.521
    Routine Coliform Monitoring
    a)
    Suppliers shall collect total coliform samples at sites
    which are representative of water throughout the
    distribution system according to a written sample
    siting plan, which must be approved by ~y—specia1
    exception permit.
    b)
    c)
    The monitoring frequency for total coliforms for non—
    01 39-028k
    The monitoring frequency for
    total
    coliforms
    for
    CWSs
    is based on the population served by the CWS,
    as set
    forth in Table A.
    If a
    CWC
    oorving 25 to 1,000 persons
    has no history of total ooliform contamination in its
    current configuration and a sanitary survey conducted
    in the pcu3t five years shows that the CWC is supplied
    solely by a protected groundwater source and is free of
    sanitary defeats, the Agenoy shall reduce the
    monitoring frequency opcoificd in Table A,
    except that
    in no
    Case
    shall the Agency reduce the monitoring
    frequency to lees than one sample per quarter.
    The
    Agency shall approve the reduced monitoring frequency
    by special exception permit.

    shows
    that
    thu
    system
    .~
    tree
    ~
    ~o~cots.
    Beginning June 29,
    1994, Public Health cannot
    reduce
    the
    monitoring
    frequency
    for
    a
    non-CWC
    using only groundwater (except groundwater under
    the
    direct
    influence
    of
    surface water)
    and serving
    1,000 persons or fewer to less than once per year.
    A non—CWS using only groundwater
    (except
    groundwater under the direct influence of surface
    water)
    and serving more than 1,000 persons during
    any month shall monitor at the same frequency as a
    like-sized CWS, as specified in subsection (b)~
    except Public Health shall reduce this monitoring
    frequency for any month the system serves 1,000
    persons or fewer.
    Public Health cannot rcduoc the
    monitoring to less than once per year.
    For
    systems using groundwater under the direct
    influenoc of surface water, subsection
    (a) (4)
    applies.
    3)
    A non—CWS using surface water,
    in total or in
    part,
    shall monitor at the same frequency as a
    like—sized CWS,
    as specified in subsection
    (b),
    regardless of the number of persons it serves.
    4)
    A non-CWS using groundwater under the direct
    influence of surface water,
    shall monitor at the
    same frequency as a like—sized CWS,
    as specified
    in subsection
    (b).
    The supplier shall begin
    monitoring at this frequency beginning six months
    after Public Health determines that the
    groundwater is under the direct influence of
    surface water.
    d)
    The supplier shall collect samples at regular time
    intervals throughout the month,
    except that a supplier
    which uses only groundwater (except groundwater under
    the direct influence of surface water)
    and serves 4,900
    persons or fewer, may collect all required samples on a
    single day if they are taken from different sites.
    e)
    A PWS that uses surface water or groundwater under the
    direct influence of surface water,
    and does not
    U
    39-0285
    107
    CWSs is as follows:
    1)
    A non-CWS using only groundwater (except
    groundwater under the direct influence of surface
    water,
    as determined in Section 611.212) and
    serving 1,000 persons or fewer shall monitor each
    calendar quarter that the system provides water to
    the public,
    except that Public Health shall reduce
    this monitoring frequency if aøanitaryeurvcy
    2)

    108
    practice filtration in compliance with Subpart B,
    shall
    collect at least one sample near the first service
    connection each day the turbidity level of the source
    water, measured as specified in Section 611.532(b),
    exceeds
    1 NTU.
    This sample must be analyzed for the
    presence of total coliforms.
    When one or more
    turbidity measurements in any day exceed
    1 NTU, the
    supplier shall collect this coliform sample within 24
    hours of the first exceedance, unless the Agency has
    determined,
    by special exception permit, that the
    supplier,
    for logistical reasons outside the supplier’s
    control, cannot have the sample analyzed within 30
    hours of collection.
    Sample results from this coliform
    monitoring must he included in determining compliance
    with the MCL for total coliforms in Section 611.325.
    f)
    Special purpose samples, such as those taken to
    determine whether disinfection practices are sufficient
    following pipe placement,
    replacement or repair, must
    not be used to determine compliance with the NCL for
    total coliforms in Section 611.325.
    BOARD NOTE:
    Derived from 40 CFR
    141.21(a)
    (1989),
    as
    amended at 54 Fed.
    Reg.
    27562, June 29,
    1989.
    (Source:
    Amended
    at. 15 Ill.
    Reg.
    1562,
    effective January 22,
    1991)
    SUBPART N:
    INORGANIC MONITORING AND ANALYTICAL REQUIREMENTS
    Section 611.560
    Turbidity
    The requirements in this Section apply to unfiltered PWSs until
    December 30,
    1991, unless the Agency has determined prior to that
    date that filtration is required.
    The requirements in this
    Section apply to filtered PWSs until June 29,
    1993.
    The
    requirements in this Section apply to unfiltered PWSs that the
    Agency has determined must install filtration, until June 29,
    1993, or until filtration is installed,
    whichever is later.
    a)
    Suppliers shall take samples at representative entry
    point(s) to the distribution system at least once per
    day, for the purposes of making turbidity measurements
    to determine compliance with Section 611.320.
    1)
    If Public Health determines that a reduced
    sampling frequency in a non-CWS will not pose a
    risk to public health,
    it may reduce the required
    sampling frequency. The option of reducing the
    turbidity frequency will be permitted only in
    those suppliers that practice disinfection and
    0139-0286

    109
    which maintain an active RDC in the distribution
    system,
    and in those cases where Public Health has
    indicated in writing that no unreasonable risk to
    health existed under the circumstances of this
    option.
    2)
    The turbidity measurements must be made in
    accordance with the following methods,
    incorporated by reference in Section 611.102:
    A)
    By the Nephelometric Method:
    i)
    Standard Methods:
    Method 214A;
    or
    ii)
    tJSEPA Inorganic Methods:
    Method 180.1.
    B)
    Calibration of the turbidimeter must be made
    either by the use of a formazin standard as
    specified in the cited references,
    or a
    styrene divinylbenzene polymer standard
    (Amco-AEPA-1 Polymer).
    b)
    If the result of a turbidity analysis indicates that
    the maximum allowable limit has be~nexceeded,
    the
    sampling and measurement must be confirmed by
    resampling as soon as practicable and preferably within
    one hour.
    If the repeat sample confirms that the
    maximum allowable limit has been exceeded, the supplier
    of water shall report to the Agency within 48 hours.
    The repeat sample must be the sample used for the
    purpose of calculating the monthly average.
    If the
    monthly average of the daily samples exceeds the
    maximum allowable limit, or if the average of two
    samples taken on consecutive days exceeds 5 NTU, the
    supplier of water shall report to the Agency and notify
    the public as directed in Subpart T.
    c)
    Sampling for non-CWS5 must begin by June 29,
    1991.
    d)
    This Section applies only to suppliers that use water
    obtained in whole or in part from surface sources.
    BOARD NOTE:
    Derived from 40 CFR 141.22
    (199-~2).
    (Source:
    Amended at 16
    Ill. Reg.
    __________,
    effective
    I
    Section 611.611
    Inorganic Analysis
    Analytical methods are from documents incorporated by reference
    in Section 611.102.
    These are mostly referenced by a short name
    defined by Section 611.102(a).
    Other abbreviations are defined
    Qj 39-0287

    110
    in Section 611.101.
    a)
    Analysis for asbestos, barium, cadmium, chromium,
    mercury,
    nitrate, nitrite, and selenium pursuant to
    Sections 611.600 through 611.604 must be conducted
    using the following methods.
    For approved analytical
    techniques for metals and selenium, the technique
    applicable to total metals must be used.
    1)
    Asbestos:
    Transmission electron microscopy,
    Asbestos Methods.
    2)
    Barium:
    A)
    Atomic absorption,
    furnace technique:
    i)
    USEPA Inorganic Methods:
    Method 208.2,
    or
    ii)
    Standard Methods:
    Method 304;
    B)
    Atomic absorption, direct aspiration:
    i)
    USEPA Inorganic Methods:
    Method 208.1,
    or
    ii)
    Standard Methods:
    Method 303C; or
    C)
    Inductively—coupled plasma arc furnace,
    Inductively Coupled Plasma Method:
    Method
    200.7, as supplemented by Method 200.7A.
    3)
    Cadmium:
    A)
    Atomic absorption,
    furnace technique:
    1)
    USEPA Inorganic Methods:
    Method 213.2,
    or
    ii)
    Standard Methods:
    Method 304; or
    B)
    Inductively—coupled plasma arc furnace,
    Inductively Coupled Plasma Method, Method
    200.7, as supplemented by Method 200.7A.
    4)
    Chromium:
    A)
    Atomic absorption,
    furnace technique:
    i)
    USEPA Inorganic Methods:
    Method 218.2,
    or
    0139-0288

    111
    ii)
    Standard Methods:
    Method 304 (The
    addition of
    1 mL of 30
    hydrogen
    peroxide
    to
    each
    100 mL of standards and
    samples is required before analysis.);
    or
    B)
    Inductively-coupled plasma arc furnace,
    Inductively Coupled Plasma Method, Method
    200.7,
    as
    supplemented
    by
    Method
    200 .7A.
    5)
    Mercury:
    A)
    Manual
    cold vapor technique:
    i)
    USEPA Inorganic Methods:
    Method 245.1,
    ii)
    ASTM D3223—86, or
    iii) Standard Methods:
    Method 303F; or
    B)
    Automated
    cold vapor technique, USEPA
    Inorganic Methods:
    Method 245.2.
    6)
    Nitrate:
    A)
    Manual cadmium reduction:
    i)
    USEPA Inorganic Methods:
    Method 353.3,
    ii)
    ASTM D3867—90, or
    iii) Standard Methods:
    Method 418C;
    B)
    Automated hydrazine reduction:
    USEPA
    Inorganic Methods:
    Method 353.1;
    C)
    Automated cadmium reduction:
    i)
    USEPA Inorganic Methods:
    Method 353.2,
    ii)
    ASTM
    D3867—90,
    or
    iii)
    Standard
    Methods:
    Method
    418F;
    D)
    Ion selective electrode:
    WeWWG/5880,
    available from Orion Research; or
    E)
    Ion chromatography:
    i)
    USEPA Inorganic Methods:
    Method 300.0,
    or
    DI 39-0289

    112
    ii)
    B—lOll,
    available from Millipore
    Corporation.
    7)
    Nitrite:
    A)
    Spectrophotometric:
    USEPA Inorganic Methods:
    Method 354.1;
    B)
    Automated cadmium reduction:
    i)
    USEPA Inorganic Methods:
    Method 353.2,
    ii)
    ASTM D3867—90, or
    iii) Standard Methods:
    Method 418F;
    C)
    Manual cadmium reduction:
    i)
    USEPA Inorganic Methods:
    Method 353.3,
    ii)
    ASTI4 D3867—90, or
    iii) Standard Methods:
    Method 418C.
    D)
    Ion chromatography:
    i)
    USEPA Inorganic
    Methods:
    Method
    300.0,
    or
    ii)
    Method B—loll, available from Millipore
    Corporation.
    8)
    Selenium:
    A)
    Atomic
    absorption,
    gaseous hydride:
    ASTM
    D3859—88A; or
    B)
    Atomic absorption, furnace technique:
    1)
    USEPA Inorganic Methods:
    Method 270.2,
    ii)
    ASTM D3859—88B, or
    iii) Standard Methods:
    Method 304
    (Prior to
    dilution of the selenium calibration
    standard, add 2 mL of 30
    hydrogen
    peroxide for each 100 mL of standard.).
    b)
    Arsenic.
    Analyses for arsenic must be conducted using
    one of the following methods:
    1)
    Atomic absorption,
    furnace technique:
    USEPA
    01390290

    113
    Inorganic Methods:
    Method 206.2;
    2)
    Atomic absorption, gaseous hydride:
    A)
    USEPA Inorganic Methods:
    Method 206.3,
    B)
    ASTM D2972—88B,
    C)
    Standard Methods:
    i)
    Method 307A (referencing Methods 303E
    and 304),
    or
    ii)
    Method 307B
    D)
    USGS Methods:
    1—1062—85;
    3)
    Spectrophotometric, silver diethyldithiocarbamate:
    A)
    USEPA Inorganic Methods:
    Method 206.4,
    B)
    ASTh D 2972—88A, or
    C)
    Standard Methods:
    Method 307B; or
    4)
    Inductively—coupled plasma arc furnace,
    Inductively Coupled Plasma Method, Method 200.7,
    as supplemented by Method 200.7A.
    c)
    Fluoride.
    Analyses for fluoride must be conducted
    using one of the following methods:
    1)
    Colorimetric
    SPADNS,
    with
    distillation:
    A)
    USEPA Inorganic Methods:
    Method 340.1,
    B)
    ASTM D1179-72A,
    or
    C)
    Standard Methods:
    Methods 413A and 413C;
    BOARD NOTE:
    40 CFR 141.23(k) (3)
    cites
    methods “43 A and C”, an obvious error that
    the Board has corrected to “413A and 4l3C”.
    2)
    Potentiometric,
    ion selective electrode:
    A)
    USEPA Inorganic Methods:
    Method 340.2,
    B)
    ASTM D1179-72B,
    or
    C)
    Standard Methods:
    Method 413B;
    0139-0291

    114
    3)
    Automated Alizarin fluoride blue, with
    distillation (complexone):
    A)
    USEPA Inorganic Methods:
    Method 340.3,
    B)
    Standard Methods:
    Method 413E,
    or
    C)
    Technicon Methods:
    Method 129—71W; or
    4)
    Automated ion selective electrode:
    Technicon
    Methods, Method 380—75WE.
    d)
    Sample collection for asbestoá, barium,
    cadmium,
    chromium, fluoride, mercury, nitrate, nitrite and
    selenium pursuant to Sections 611.600 through 611.604
    must be conducted using
    the following sample
    preservation, container and maximum holding time
    procedures:
    1)
    Asbestos:
    A)
    Preservative:
    Cool to
    40
    C.
    B)
    Plastic or glass
    (hard or soft).
    2)
    Barium:
    A)
    Preservative:
    Concentrated nitric acid to pH
    less than 2.
    If nitric acid cannot be used
    because of shipping restrictions, the sample
    may initially be preserved by icing and
    immediately shipping it to the laboratory.
    Upon receipt in the laboratory, the sample
    must be acidified with concentrated nitric
    acid to pH less than 2.
    At the time of
    sample analysis, the sample container must be
    thoroughly rinsed with 1:1 nitric acid;
    washings must be added to the sample.
    B)
    Plastic or glass
    (hard or soft).
    C)
    Holding time:
    Samples must be analyzed as
    soon after collection as possible, but in any
    event within
    6 months.
    3)
    Cadmium:
    A)
    Preservative:
    Concentrated nitric acid to pH
    less than 2.
    If nitric acid cannot be used
    because of shipping restrictions, the sample
    may initially be preserved by icing and
    immediately shipping it to the laboratory.
    0139-0292

    115
    Upon receipt in the laboratory,
    the sample
    must be acidified with concentrated nitric
    acid to pH less than
    2.
    At the time of
    sample analysis, the sample container must be
    thoroughly rinsed with 1:1 nitric acid;
    washings must be added to the sample.
    B)
    Plastic or glass
    (hard or soft).
    C)
    Holding time:
    Samples must be analyzed as
    soon
    after
    collection
    as
    possible,
    but
    in
    any
    event within
    6 months.
    4)
    Chromium:
    A)
    Preservative:
    Concentrated nitric acid to pH
    less than 2.
    If nitric acid cannot be
    used
    because of shipping restrictions, the sample
    may initially be preserved by icing and
    immediately shipping it to the laboratory.
    Upon receipt in the laboratory, the sample
    must be acidified with concentrated nitric
    acid to pH less than 2. -,At the time of
    sample analysis, the sample container must be
    thoroughly rinsed with 1:1 nitric
    acid;
    washings must be added to the sample.
    B)
    Plastic or glass
    (hard or soft).
    C)
    Holding
    time:
    Samples
    must
    be
    analyzed
    as
    soon
    after
    collection
    as
    possible,
    but
    in
    any
    event within
    6 months.
    5)
    Fluoride:
    A)
    Preservative:
    None.
    B)
    Plastic
    or
    glass
    (hard
    or
    soft).
    C)
    Holding
    time:
    Samples
    must
    be
    analyzed
    as
    soon
    after
    collection
    as possible, but in any
    event
    within
    1
    month.
    6)
    Mercury:
    A)
    Preservative:
    Concentrated nitric acid to pH
    less than 2.
    If nitric acid cannot be used
    because of shipping restrictions, the sample
    may initially be preserved by icing and
    immediately shipping
    it to the laboratory.
    Upon. receipt in the laboratory, the sample
    must be acidified with concentrated nitric
    U ~390293

    116
    acid to pH less than 2.
    At the time of
    sample analysis,
    the sample con?ainer must be
    thoroughly rinsed with 1:1 nitric acid;
    washings must be added to the sample.
    B)
    Plastic or glass
    (hard or soft).
    C)
    Holding time:
    Samples must be analyzed as
    soon after collection as possible, but in any
    event wIthin 28 days.
    7)
    Nitrate,
    chlorinated:
    A)
    Preservative:
    Cool to
    40
    C.
    B)
    Plastic or glass
    (hard or soft).
    C)
    Holding time:
    Samples must be analyzed as
    soon
    after
    collection
    as
    possible,
    but
    in
    any
    event
    within
    28
    days.
    8)
    Nitrate, non-chlorinated:
    A)
    Preservative:
    Concentrated
    sulfuric acid to
    pH less than 2.
    B)
    Plastic or glass
    (hard or soft).
    C)
    Holding time:
    Samples must be analyzed as
    soon after collection as possible, but in any
    event within 14 days.
    9)
    Nitrite:
    A)
    Preservative:
    Cool to
    40
    C.
    B)
    Plastic or glass
    (hard or soft).
    C)
    Holding time:
    Samples must be analyzed as
    soon after collection as possible, but in any
    event within 48 hours.
    10)
    Selenium:
    A)
    Preservative:
    Concentrated nitric acid to pH
    less than 2.
    If nitric acid cannot be used
    because of shipping restrictions, the sample
    may initially be preserved by icing and
    immediately shipping it to the laboratory.
    Upon receipt
    in the laboratory,
    the sample
    must be acidified with concentrated nitric
    acid to pH less than 2.
    At the time of
    ~fl39O29l4

    117
    sample analysis, the sample container must be
    thoroughly rinsed with 1:1 nitric acid;
    washings must be added to the sample.
    B)
    Plastic or glass
    (hard or soft).
    C)
    Holding time:
    Samples must be analyzed as
    soon after collection as possible, but in any
    event within
    6 months.
    e)
    Analyses under this Subpart must be conducted by
    laboratories that received approval from USEPA or the
    Agency.
    The Agency shall approve laboratories to
    conduct analyses for asbestos, barium, cadmium,
    chromium, fluoride,
    mercury, nitrate, nitrite and
    selenium if the laboratory:
    1)
    Analyzes performance evaluation samples, provided
    by the Agency pursuant to 35 Ill. Adm. Code
    183.125(c), that include those substances at
    levels not in excess of levels expected in
    drinking water; and
    2)
    Achieves quantitative results on the analyses
    within the following acceptance limits:
    A)
    Asbestos,
    2 standard deviations based on
    study statistics.
    B)
    Barium, ±15
    at greater than or equal to
    0.15 mg/L.
    C)
    Cadmium, ±20
    at greater than or equal to
    0.002 mg/L.
    D)
    Chromium, ±15
    at greater than or equal to
    0.01 mg/L.
    E)
    Fluoride, ±10
    at
    1 to 10 mg/L.
    F)
    Mercury,
    ±
    30
    at
    greater
    than
    or
    equal
    to
    0.0005 mg/L.
    G)
    Nitrate, ±10
    at greater than or equal to
    0.4 mg/L.
    H)
    Nitrite, ±15
    at greater than or equal to
    0.4 mg/L.
    I)
    Selenium, ±20
    at greater than or equal to
    0.01 mg/L.
    01390295

    118
    BOARD NOTE:
    Derived from 40 CFR 141.23(k).
    (Source:
    Amended at 16
    Ill. Reg.
    _________,
    effective
    __________
    Section 611.612
    Monitoring Requirements for Old Inorganic
    MCL5
    a)
    Analyses for the purpose of determining compliance with
    the old inorganic MCL5 of Section 611.300 are required
    as follows:
    1)
    Analyses for all CWSs utilizing surface water
    sources must be repeated at yearly intervals.
    2)
    Analyses for all CWS5 utilizing only groundwater
    sources must be repeated at three—year intervals.
    3)
    This subsection corresponds with 40 CFR
    141.23(1) (3)
    (19942), which requires monitoring
    for the repealed old MCL for nitrate at a
    frequency specified by the state.
    The Board has
    followed the USEPA lead and repealed that old MCL.
    This statement maintains structural consistency
    with USEPA rules
    4)
    This subsection corresponds with 40 CFR
    141.23(1)(4) (l99~), which authorizes the state
    to determine compliance and initiate enforcement
    action.
    This authority exists through the
    authorization of the Act, not therQugh federal
    rules.
    This statement maintains structural
    consistency with USEPA rules.
    b)
    If the result of an analysis made under subsection
    (a)
    indicates that the level of any contaminant listed in
    Section 611.300 exceeds the old MCL, the supplier shall
    report to the Agency within
    7 days and initiate three
    additional analyses at the same sampling point within
    one month.
    C)
    When the average of four analyses made pursuant to
    subsection
    (b), rounded to the same number of
    significant figures as the old MCL for the substance in
    question, exceeds the old MCL, the supplier shall
    notify the Agency and give notice to the public
    pursuant to Subpart
    T.
    Monitoring after public
    notification must be at a frequency designated by the
    Agency by a SEP granted pursuant to Section 611.110 and
    must continue until the old MCL has not been exceeded
    in two successive samples or until
    a different
    monitoring schedule becomes effective as a condition to
    0139-0296

    119
    a variance, an adjusted standard,
    a site specific rule,
    an enforcement action,
    or another SEP granted pursuant
    to Section 611.110.
    d)
    This subsection corresponds with 40 CFR 141.23(o)
    (1994~),which pertains to monitoring for the repealed
    old MCL for nitrate.
    The Board has followed the USEP.A
    action and repealed that old MCL.
    This statement
    maintains structural consistency with USEPA rules.
    e)
    This subsection corresponds with 40 CFR 141.23(p)
    (1994~),which pertains to the use of existing data up
    until a date long since expired.
    The Board did not
    adopt the original provision in R88-26.
    This statement
    maintains structural consistency with USEPA rules.
    f)
    Analyses conducted to determine compliance with the old
    MCLs of Section 611.300 must be made in accordance with
    the following methods, incorporated by reference in
    Section 611.102.
    1)
    Arsenic:
    A)
    ASTM:
    i)
    Method
    D2972-88A,
    or
    ii
    Method
    D2972-88B;
    B)
    Standard
    Methods:
    1)
    Method
    307A,
    or
    ii)
    Method
    307B;
    C)
    USGS
    Methods,
    Method
    1-1062—85;
    D)
    USEPA Inorganic Methods:
    i)
    Method
    206.2,
    or
    ii)
    Method 206.3; or
    E)
    Inductively Coupled Plasma~Q~
    Method 200.7,
    as supplemented by appendix 200.7A.
    2)
    Barium:
    A)
    Standard
    Methods:
    Method
    308;
    B)
    USEPA Inorganic Methods:
    01390297

    120
    i)
    Method 208.1,
    or
    ii)
    Method 208.2;
    or
    C)
    Inductively Coupled P1aoma~ç~
    Method 200.7,
    as supplemented by appendix 200.7A.
    3)
    Lead:
    A)
    ACTh;
    i)
    Method D3559-78A, or
    -ii)
    Mc~t~hnd
    fl1cs’~—7nn~
    1)
    Method
    301A
    (II)
    ,
    or
    ii)
    Method 301A (III);
    C)
    Inorganic H
    i)
    Method 239.1,
    or
    ii)
    Method 339.2J or
    D)
    Inductively Coupled P1
    suo~lcmcntcdby appenu
    4~) Fluoride:
    The methods specified in Section
    611.611(c) shall apply for the purposes of this
    Section.
    Ci~’~
    A)
    ACTHi
    i)
    Method D1688—84D,
    or
    ii)
    nc~noa
    D1688—6L
    ~tandard
    Methods:
    i)
    Method 303A,
    ii)
    ~
    U.~D.
    or
    i-li)
    Method
    304-;
    Inorganic Methods:
    0139-0298

    121
    i)
    Method 220.1,
    or
    ii)
    Method 220.2;
    or
    D)
    Inductively Coupled P1
    supplemented by appendix 200.7A.
    6j)
    Cyanide:
    A)
    Standard Methods:
    Method 412D, or
    B)
    USEPA Inorganic Methods:
    Method 335.2.
    ~)
    Iron:
    A)
    Standard Methods:
    Method 303A;
    B)
    USEPA Inorganic Methods:
    i)
    Method 236.1, or
    ii)
    Method 236.2;
    or
    C)
    Inductively
    Coupled P1aama~Q~Method 200.7,
    as supplemented
    .by appendix 200.7A.
    ?~&) Manganese:
    A)
    ASTM:
    1(ethod D858-84;
    B)
    Standard Methods:
    Method 303A;
    C)
    USEPA Inorganic Methods:
    i)
    Method
    243.1,
    or
    ii)
    Method 243.2; or
    D)
    Inductively Coupled r1asma~ Method 200.7,
    as
    supplemented
    by
    appendix
    200.7A.
    ~L)
    Zinc:
    A)
    Standard Methods:
    Method 303A; or
    B)
    USEPA Inorganic Methods:
    i)
    Method 289.1,
    or
    ii)
    Method 289.2.
    BOARD NOTE:
    The provisions of
    0139-0299

    122
    subsections
    (a) through
    (f)
    apply to
    additional state requirements.
    Subsections
    (a) through
    (f) (3) derived
    from 40 CFR 141.23(1) through
    (q)
    (l994~2). The Board has deleted several
    analytical methods codified by USEPA at
    40 CFR 141.23(q)
    (formerly 40 CFR
    141.23(f))
    because the MCLs of 40 CFR
    141.11 expired for those contaminants on
    July 30 and November 30,
    1992.
    Subsection
    (f) (43) relates to a
    contaminant for which USEPA specifies an
    MCL, but for which it repealed the
    analytical method.
    Subsections
    (f) (~4)
    through
    (f) (9k) relate exclusively to
    additional state requirements.
    The
    predecessor to subsections
    (a) through
    (e) was formerly codified as Section
    611.601.
    The predecessor to subsection
    (f) was formerly codified as Section
    611. 606.
    (Source:
    Amended at 16
    Ill. Reg.
    _________,
    effective
    __________
    ____________________________________
    )
    Section 611.630
    Special Monitoring for Sodium
    a)
    CWS
    suppliers shall collect and analyze one sample per
    plant at the entry point of the distribution system for
    the determination of sodium concentration levels;
    samples must be collected and analyzed annually for
    CWSS utilizing surface water sources in whole or in
    part,
    and at least every three years for CWSs utilizing
    solely
    groundwater
    sources.
    The minimum number of
    samples required to be taken by the supplier is based
    on the number of treatment plants used by the supplier,
    except that multiple wells drawing raw water from a
    single aquifer may, with the Agency approval, be
    considered one treatment plant for determining the
    minimum number of samples. The Agency shall require the
    supplier to collect and analyze water samples for
    sodium more frequently in locations where the sodium
    content is variable.
    b)
    The CWS supplier shall report to the Agency the results
    of the analyses for sodium within the first
    10 days of
    the month following the month in which the sample
    results were received or within the first 10 days
    following the end of the required monitoring period as
    specified by SEP, whichever of these is first. If more
    than annual sampling is required the supplier shall
    report the average sodium concentration within
    10 days
    0 39-0300

    123
    of the month following the month in which the
    analytical results of the last sample used for the
    annual average was received.
    C)
    The CWS supplier shall notify the Agency and
    appropriate local public health officials of the sodium
    levels by written notice by direct mail within three
    months. A copy of each notice required to be provided
    by this subsection must be sent to the Agency within 10
    days of its issuance.
    d)
    Analyses for sodium must be performed by the following
    methods, incorporated by reference in Section 611.102:
    1)
    Standard Methods, Methods 320 and 320A, flame
    photometric method;
    2)
    USEPA Inorganic Methods:
    A)
    Method
    273.1,
    Atomic Absorption
    -
    Direct
    Aspiration;
    or
    B)
    Method 273.2, Atomic Absorption
    -
    Graphite
    Furnace; or
    3)
    ASTM Method Dl428—64.
    BOARD NOTE:
    Derived from 40 CFR 141.41 (199&~J.
    (Source:
    Amended at 16
    Ill. Reg.
    _________,.
    effective
    __________
    ____________________________________
    )
    SUBPART 0:
    ORGANIC MONITORING AND ANALYTICAL REQUIREMENTS
    Section 611.640
    Definitions
    The following terms are defined for use in this Subpart only.
    Additional definitions are located in Section 611.102.
    “Old MCL” means an MCL in Section 611.310.
    These
    include the MCLs identified as “additional state
    requirements” and those derived from 40 CFR 141.12, but
    excluding TTHM.
    “Old MCLS” includes the Section
    611.310 MCL5 for the following contaminants:
    Aldrin
    2, 4—D
    DDT
    Dieldrjn
    Endrin
    Heptachlor
    0139-0301

    124
    Heptachior epoxide
    BOARD NOTE:
    2,4-D,
    heptachlor, and heptachlor
    epoxide are also “Phase II SOCs”.
    The additional
    state requirements of Section 611.310 impose a
    more stringent “old MCL” for each of these
    compounds than that imposed on them as Phase II
    SOCs by Section 611.311.
    However, the
    requirements for sampling and monitoring for these
    compounds as Phase II SOCs and the consequences of
    their detection and violation of their revised
    MCLs is more stringent as Phase II SOCs.
    “Phase II SOCs” means:
    Alachlor
    Atrazine
    Carbofuran
    Chlordane
    Dibromochloropropane
    Ethylene dibromide
    Heptachlor
    Heptachlor epoxide
    Lindane
    Methoxychlor
    Polychlorinated biphenyls
    Toxaphene
    2, 4—D
    2,4,5—TP
    BOARD NOTE:
    These are organic contaminants
    regulated at 40 CFR 141. 61(c) (1) through
    (c) (18)
    (199*~). The MCL5 for these contaminants are
    located at Section 611.311.
    More stringent MCLs
    for heptachlor, heptachlor epoxide, and 2,4—D are
    found as “additional state requirements” in
    Section 611.310.
    “Phase IIB SOCsIt means:
    Aldicarb
    Aldicarb Sulfone
    Aldicarb Sulfoxide
    Pentach1oropheno1
    BOARD NOTE:
    These are organic contaminants
    regulated at 40 CFR 141.61(c) (1) through
    (c) (18)
    (1992).
    The MCLS for these contaminants are
    located at Section 611.311.
    The effectiveness
    of the Section 611.311 MCLs for aldicarb. aldicarb
    sulfone, and aldicarb sulfoxide are
    administratively stayed until the Board takes
    further administrative action to end this stay.
    However,
    suppliers must monitor for these three
    SOCs pursuant to Section 611.648.
    See 40 CFR
    0 j39-0302

    125
    141.6(g)
    (1992)
    and 57 Fed. Reg. 22178
    (May 27.
    1992).
    “Phase
    I VOCs” means:
    Benzene
    Carbon tetrachioride
    p-Dichlorobenzene.
    1, 2—Dichloroethane
    1, l-Dichloroethylene
    1,1,1-Trichloroethane
    Trichloroethylene
    Vinyl chloride
    BOARD
    NOTE:
    These are the organic contaminants
    regulated at 40 CFR 141.61(a) (1) through
    (a) (8)
    (1994~,2j.
    The MCLs for these contaminants are
    located at Section 611.311(a).
    “Phase II VOCs” means:
    o—Dichlorobenzene
    cis-1,2—Dichloroethylene
    I
    2-Dichloroethyiene
    1, 2-Dichloropropane
    Ethylbenzene
    Monochlorobenzene
    Styrene
    Tetrachloroethylene
    Toluene
    Xylenes (total)
    BOARD
    NOTE:
    These are organic contaminants
    regulated at 40 CFR 141.61(a) (9) through
    (a)(18)
    (1991~2). The MCL5 for these contaminants are in
    Section 611.311(a).
    “Revised MCL” means an MCL in Section 611.311.
    This
    term includes MCLS for “Phase I
    VOC5”,
    “Phase
    II
    VOC5”
    and “Phase II SOCs”.
    Source:
    Added at 16
    Ill. Reg.
    __________,
    effective
    ___________
    Section 611.646
    Phase I and Phase II Volatile Organic
    Contaminants
    Monitoring of the Phase
    I VOCs and Phase II VOC5 for the purpose
    of determining compliance with the MCL must be conducted as
    follows:
    a)
    Definitions.
    As used in this Section:
    “Detect” and “detection” means that the
    0139-0303

    126
    contaminant of interest is present at a level
    greater than or equal to the “detection limit”.
    “Detection limit” means 0.0005 mg/L.
    BOARD NOTE:
    Derived from 40 CFR 141.24(f) (7),
    (f)(11),
    (f)(14)(i),
    and
    (f)(20)
    (1994~). This is
    a “trigger level” for Phase I VOCS and Phase II
    VOC5 inasmuch as it prompts further action.
    The
    use of the term “detect” in this section is not
    intended to include any analytical capability of
    quantifying lower levels of any contaminant, or
    the “method detection limit”.
    Note, however that
    certain language at the end of federal paragraph
    (f) (20)
    is capable of meaning that the “method
    detection limit” is used to derive the “detection
    limit”.
    The Board has chosen to disregard that
    language at the end of paragraph
    (f) (20)
    in
    favor
    of the more direct language of paragraphs
    (f) (7)
    and
    (f) (11).
    “Method detection limit”, as used in subsections
    (q) and
    (t) means the minimum concentration of a
    substance that can be measured and reported with
    99 percent confidence that the analyte
    concentration is greater than zero and is
    determined from analysis of a sample in a given
    matrix containing the analyte.
    BOARD
    NOTE:
    Derived from 40 CFR 136, Appendix B
    (19942).
    The method detection limit is determined
    by the procedure set forth in 40 CFR 136, Appendix
    B.
    See subsection
    (t).
    b)
    Required sampling.
    Each supplier shall take a minimum
    of one sample at each sampling point at the times
    required in subsection
    (u).
    c)
    Sampling points.
    1)
    Sampling points for GWSs.
    Unless otherwise
    provided by SEP,
    a GWS supplier shall take at
    least one sample from each of the following
    points:
    each entry point that is representative
    of each well after treatment.
    2)
    Sampling points for SWSs and mixed systems.
    Unless otherwise provided by SEP,
    a SWS or mixed
    system supplier shall sample from each of the
    following points:
    A)
    Each entry point after treatment; or
    0 139-030L

    127
    B)
    Points in the distribution system that are
    representative of each source.
    3)
    The supplier shall take each sample at the same
    sampling point unless the Agency has granted a SEP
    that designates another location as more
    representative of each source, treatment plant, or
    within the distribution system.
    4)
    If a system draws water from more than one source,
    and the sources are combined before distribution,
    the supplier shall sample at an entry point during
    periods of normal operating.conditions when water
    is representative of all sources being used.
    BOARD NOTE:
    Subsections
    (b) and
    (c) derived from
    40 CFR 141.24(f) (1) through (f)(3)
    (1994.2).
    d)
    Each
    CWS
    and NTNCWS supplier shall take four
    consecutive quarterly samples for each of the Phase I
    VOCs, excluding vinyl chloride, and Phase II VOCs
    during each compliance period, beginning in the
    compliance period starting January ~1,1993.
    e)
    Reduction to annual monitoring frequency.
    If the
    initial monitoring for the Phase
    I VOCs and Phase II
    VOCs
    as
    allowed
    in
    subsection
    (r)
    (1)
    has
    been
    completed
    by
    December
    31,
    1992, and the supplier did not detect
    any of the Phase
    I VOCs,
    including vinyl chloride, or
    Phase II VOCS,
    then the supplier shall take one sample
    annually beginning January
    1,
    1993.
    f)
    GWS reduction to triennial monitoring frequency.
    After
    a minimum of three years of annual sampling, GWS
    suppliers that have not previously detected any of the
    Phase
    I
    VOCS,
    including
    vinyl
    chloride,
    or
    Phase
    II
    VOCs shall take one sample during each three—year
    compliance period.
    g)
    A
    CWS
    or NTNCWS supplier that has completed the initial
    round
    of monitoring required by subsection
    (d) and
    which did not detect any of the Phase
    I
    VOCs,
    including
    vinyl chloride, and Phase II VOCs may apply to the
    Agency for a SEP pursuant to Section 611.110 that
    releases it from the requirements of subsection
    (e)
    or
    (f).
    BOARD NOTE:
    Derived from 40 CFR 141.24(f) (7)
    and
    (f).(1O) (199~).
    Provisions concerning the term of the
    waiver appear below in subsections
    (i)
    and
    (j).
    The
    definition of “detect”, parenthetically added to the
    federal counterpart paragraph is in subsection
    (a).
    0139-0305

    128
    h)
    Vulnerability Assessment.
    The Agency shall consider
    the factors of Section 611.110(e)
    in granting a SEP
    from the requirements of subsections
    (e)
    or
    (f)
    sought
    pursuant to subsection
    (g).
    i)
    A SEP issued to a GWS pursuant to subsection
    (g)
    is for
    a maximum of six years.
    As a condition of a
    SEP, the
    supplier shall, within 30 months after the beginning of
    the period for which the waiver was issued, reconfirm
    its vulnerability assessment required by subsection
    (h)
    and submitted pursuant to subsection
    (g), by taking one
    sample. at each sampling point and reapplying for a SEP
    pursuant to subsection (g).
    Based on this application,
    the Agency shall either:
    1)
    If it determines that the PWS meets the standard
    of Section 611.610(e),
    issue a SEP that reconfirms
    the prior SEP for the remaining three-year
    compliance period of the six—year maximum term;
    or,
    2)
    Issue a new SEP requiring the supplier to sample
    annually.
    BOARD
    NOTE:
    This
    provision
    does
    not
    apply
    to
    SWSs
    and mixed systems.
    j)
    Special considerations for SEPs for SWS and mixed
    systems.
    1)
    The Agency must determine that a SWS is not
    vulnerable before issuing a SEP pursuant to a SWS
    supplier.
    A SEP issued to a SWS or mixed system
    supplier pursuant to subsection
    (g)
    is for a
    maximum of one compliance period; and
    2)
    The Agency may require,
    as. a condition to a SEP
    issued to a SWS or mixed supplier, that the
    supplier
    take
    such
    samples
    for Phase
    I VOCs and
    Phase II VOCs at such a frequency as the Agency
    determines are necessary, based on the
    vulnerability assessment.
    BOARD NOTE:
    There is a great degree of similarity
    between 40 CFR 141.24(f) (7), the provision
    applicable to GWSs, and 40 CFR 141.24(f) (10), the
    provision for SWS5.
    The Board has consolidated
    the common requirements of both paragraphs into
    subsection
    (g).
    Subsection
    (j)
    represents the
    elements unique to SWSs and mixed systems,
    and
    subsection
    (i)
    relates to GWS5.
    Although 40 CFR
    141.24(f) (7) and (f)(10) are silent as to mixed
    0139 -0306

    129
    systems, the Board has included mixed systems with
    SWSs because this best follows the federal scheme
    for all other contaminants.
    k)
    If one of the Phase
    I VOC5,
    excluding vinyl chloride,
    or Phase II VOCs is detected in any sample, then:
    1)
    The supplier shall monitor quarterly for that
    contaminant at each sampling point that resulted
    in a detection.
    2)
    Annual monitoring.
    A)
    The
    Agency
    shall
    grant
    a
    SEP
    pursuant
    to
    Section
    611.110
    that
    allows
    a
    supplier
    to
    reduce the monitoring frequency to annual at
    a sampling point if it determines that the
    sampling point is reliably and consistently
    below the MCL.
    B)
    A request for a SEP must include the
    following minimal information:
    i)
    For a GWS, two quarterly samples.
    ii)
    For a SWS or mixed system, four
    quarterly samples.
    C)
    In issuing a SEP, the Agency shall specify
    the level of the contaminant upon which the
    “reliably and consistently” determination was
    based.
    All SEP5 that allow less frequent
    monitoring based on an Agency “reliably and
    consi~tently”determination shall include a
    condition
    requiring
    the
    supplier
    to
    resume
    quarterly monitoring pursuant to subsection
    (k) (1)
    if
    it
    violates the MCL specified by
    Section 611.311.
    3)
    Suppliers that monitor annually shall monitor
    during the quarter(s)
    that previously yielded the
    highest analytical result.
    4)
    Suppliers that do not detect a contaminant at a
    sampling point in three consecutive annual samples
    may apply to the Agency for a SEP pursuant to
    Section 611.110 that allows it to discontinue
    monitoring for that contaminant at that point,
    as
    specified in subsection
    (g).
    5)
    A GWS supplier that has detected one or more of
    the two—carbon contaminants listed in subsection
    01390307

    130
    (k) (5) (A)
    shall monitor quarterly for vinyl
    chloride as described in subsection
    (k) (5) (B),
    subject to the limitation of subsection
    (k) (5) (C).
    A)
    Two-carbon contaminants
    (Phase I or II VOC):
    1,2-Dichloroethane
    (Phase
    I)
    1,1-Dichloroethylene (Phase
    I)
    cis-1,2-Dichloroethylene
    (Phase II)
    trans-i,2—Dichloroethylene
    (Phase II)
    Tetrachloroethylene (Phase II)
    1,1,1-Trichloroethylene (Phase
    I)
    Trichloroethylene (Phase
    I)
    B)
    The supplier shall sample quarterly for vinyl
    chloride at each sampling point at which it
    detected one or more of the two—carbon
    contaminants listed in subsection
    (k) (5) (A).
    C)
    The Agency shall grant a SEP pursuant to
    Section 611.110 that allows the supplier to
    reduce the monitoring frequency for vinyl
    chloride at any sampling point to once in
    each three-year compliance period if it
    determines that the supplier has not detected
    vinyl chloride in first sample required by
    subsection
    (k) (5) (B).
    1)
    Quarterly monitoring following MCL violations.
    1)
    Suppliers that violate an MCL for one of the Phase
    I VOCs,
    including vinyl chloride, or Phase II
    VOCs,
    as determined by subsection
    (0),
    shall
    monitor quarterly for that contaminant, at the
    sampling point where the violation occurred,
    beginning the next quarter after the violation.
    2)
    Annual monitoring.
    A)
    The Agency shall grant a SEP pursuant to
    Section 611.110 that allows a supplier to
    reduce the monitoring frequency to annually
    if it determines that the sampling point is
    reliably and consistently below the MCL.
    B)
    A request for a SEP must include the
    following minimal information:
    four
    quarterly samples.
    C)
    In issuing a SEP, the Agency shall specify
    the level of the contaminant upon which the
    “reliably and consistently” determination was
    01390308

    131
    based.
    All SEPs that allow less frequent
    monitoring based on an Agency “reliably and
    consi~tently”determination shall include a
    condition requiring the supplier to resume
    quarterly monitoring pursuant to subsection
    (1) (1)
    if it violates the MCL specified by
    Section 611.311.
    D)
    The supplier shall monitor during the
    quarter(s) that previously yielded the
    highest analytical result.
    m)
    Confirmation samples.
    The Agency may issue a SEP
    pursuant to Section 610.110 to require a supplier to
    use a confirmation sample for results that it finds
    dubious for whatever reason.
    The Agency must state its
    reasons for issuing the SEP if the SEP is Agency—
    initiated.
    1)
    If a supplier detects any of the Phase I VOCs or
    Phase
    II
    VOCs
    in
    a
    sample,
    the
    supplier
    shall
    take
    a
    confirmation
    sample
    as sooi~aspossible, but no
    later than 14 days after the supplier receives
    notice of the detection.
    2)
    Averaging is as specified in subsection (o).
    3)
    The Agency shall delete the original or
    confirmation sample if it determines that a
    sampling
    error
    occurred,
    in which case the
    confirmation
    sample
    will
    replace
    the
    original
    or
    confirmation sample.
    n)
    This
    subsection
    corresponds
    with
    40
    CFR
    141.24(f)
    (14),
    an optional USEPA provision relating to compositing of
    samples
    that
    USEPA
    does
    not
    require
    for
    state
    programs.
    This statement maintains structural consistency with
    USEPA rules.
    0)
    Compliance with the MCL5 for the Phase I VOC5 and Phase
    II VOC5 must be determined based on the analytical
    results obtained at each sampling point.
    1)
    For suppliers that conduct monitoring at a
    frequency
    greater
    than
    annual, compliance is
    determined by a running annual average of all
    samples taken at each sampling point.
    A)
    If the annual average of any sampling point
    is greater than the MCL, then the supplier is
    out of compliance.
    0139-0309

    132
    B)
    If the initial sample or a subsequent sample
    would cause the annual average to exceed the
    MCL, then the supplier
    is out of compliance
    immediately.
    C)
    Any samples below the detection limit shall
    be deemed as zero for purposes of determining
    the annual average.
    2)
    If
    monitoring
    is
    conducted
    annually,
    or
    less
    frequently, the supplier is out of compliance if
    the
    level
    of
    a
    contaminant~,atany sampling point
    is greater than the MCL.
    If a confirmation sample
    is taken, the determination of compliance is based
    on the average of two samples.
    3)
    Public notice for
    a supplier out of compliance is
    governed
    by
    Subpart
    T.
    p)
    Analyses for the Phase
    I VOC5 and Phase II VOC5 must be
    conducted
    using
    the
    following
    methods.
    These
    methods
    are
    contained
    in
    USEPA
    Organic
    Methods,
    incorporated
    by
    reference
    in
    Section
    611.102:
    1)
    Method
    502.1,
    “Volatile
    Halogenated
    Organic
    Chemicals
    in
    Water
    by
    Purge
    and
    Trap
    Gas
    Chromatography.”
    2)
    Method
    502.2,
    “Volatile
    Organic
    Compounds
    in
    Water
    by Purge and Trap CapillaryColumn Gas
    Chromatography with Photoionization and
    Electrolytic
    Conductivity
    Detectors
    in
    Series.”
    3)
    Method 503.1,
    “Volatile Aromatic and Unsaturated
    Organic
    Compounds
    in
    Water
    by
    Purge and Trap Gas
    Chromatography.”
    4)
    Method
    524.1,
    “Measurement of Purgeable Organic
    Compounds in Water by
    Purged
    Column
    Gas
    Chromatography/Mass Spectrometry.”
    5)
    Method 524.2,
    “Measurement of Purgeable Organic
    Compounds in Water by Capillary Column Gas
    Chromatography/Mass
    Spectrometry.”
    q)
    Analysis under this Section must only be conducted by
    laboratories that have r~ceivedapproval by USEPA or
    the Agency according to the following conditions:
    1)
    To receive conditional approval to conduct
    analyses for the Phase
    I VOCs,
    excluding vinyl
    chloride, and Phase II VOCS the laboratory must:
    0139-0310

    133
    A)
    Analyze performance evaluation samples that
    include these substances provided by the
    Agency pursuant to 35
    Ill. Adm. Code
    183.125(c);
    B)
    Achieve
    the
    quantitative
    acceptance
    limits
    under subsections
    (q) (1) (C) and
    (D)
    for at
    least 80 percent of the Phase
    I VOC5,
    excluding vinyl chloride, or Phase II VOC5,
    except
    vinyl
    chloride;
    C)
    Achieve
    quantitative
    results
    on
    the
    analyses
    performed
    under
    subsection
    (q) (1)
    (A)
    that
    are
    within ±20 percent of
    the
    actual
    amount
    of
    the
    substances
    in
    the
    performance
    evaluation
    sample
    when
    the
    actual
    amount
    is greater than
    or equal to 0.010 mg/L;
    D)
    Achieve quantitative results on the analyses
    performed
    under
    subsection
    (q) (1)
    (A) that are
    within ±40 percent of the actual amount of
    the substances in the performance evaluation
    sample when the actual amount is less than
    0.010 mg/L; and
    E)
    Achieve a method detection limit of 0.0005
    mg/L, according to the procedures in 40
    CFR
    136, appendix B, incorporated by reference in
    Section
    611.102.
    2)
    To
    receive
    conditional
    approval
    to
    conduct
    analyses for vinyl chloride the laboratory must:
    A)
    Analyze performance evaluation samples
    provided
    by
    the
    Agency
    pursuant
    to
    35
    Ill.
    Adin.
    Code
    183.125(c);
    B)
    Achieve
    quantitative
    results
    on
    the
    analyses
    performed under subsection
    (q) (2) (A) that are
    within ±40 percent of the actual amount of
    vinyl chloride in the performance evaluation
    sample;
    C)
    Achieve
    a
    method
    detection
    limit
    of
    0.0005
    mg/L, according to the procedures in 40 CFR
    136, appendix B, incorporated by reference in
    Section 611.102; and
    D)
    Obtain certification pursuant to subsection
    (q) (1)
    for Phase
    I VOCS,
    excluding vinyl
    chloride, and Phase II VOC5.
    0139-0311

    134
    r)
    Use of existing data.
    1)
    The Agency shall allow the use of data collected
    after January
    1, 1988 but prior to the effective
    date of this Section, pursuant to Agency sample
    request letters,
    if it determines that the data
    are generally consistent with the requirements of
    this Section.
    2)
    The Agency shall grant a SEP pursuant to Section
    611.110
    that
    allows
    a
    supplier
    to monitor annually
    beginning
    January
    1,
    1993
    if
    it
    determines
    that
    the supplier did not detect any Phase I VOC or
    Phase II VOC using existing data allowed pursuant
    to subsection
    (r) (1).
    s)
    The Agency shall, by SEP, increase the number of
    sampling points or the frequency of monitoring if it
    determines that it is necessary to detect variations
    within the PWS.
    t)
    Each laboratory approved for the analysis of Phase I
    VOCs or Phase II
    VOCs
    pursuant
    to
    subsection
    (q) (1)
    or
    (q) (2)
    shall:
    1)
    Determine
    the
    method
    detection
    limit
    (MDL),
    as
    defined in 40 CFR 136, Appendix B, incorporated by
    reference in Section 611.102, at which it is
    capable of detecting the Phase
    I VOC5 and Phase II
    VOC5;
    and,
    2)
    Achieve an
    MDL
    for ~ach Phase
    I VOC and Phase II
    VOC that is less then or equal to 0.0005 mg/L.
    u)
    Each
    supplier
    shall
    mont
    or,
    within
    each
    compliance
    period, at the time desi nated by the Agency by SEP
    pursuant
    to
    Section
    611.
    10.
    BOARD
    NOTE:
    Derived
    frog
    40
    CFR
    141.24 (f)
    (19942).
    (Source:
    Added
    at
    16
    Ill.
    Reg.
    ,
    effective
    __________
    ______________________________)
    Section 611.647
    Sampling for Pease
    I Volatile Organic
    Contaminants
    For systems in operation before Ja~uary1,
    1993,
    for purposes of
    initial monitoring,
    analysis of P
    se
    I VOCs for purposes of
    determining compliance with the
    14
    s must be conducted as
    follows:
    a)
    GWS suppliers shall sample at entry points
    0139~03I2

    135
    representative of each well after treatment.
    Sampling
    must be conducted at the same location(s)
    or more
    representative
    location(s)
    every
    three months for one
    year
    except
    as
    provided
    in
    subsection
    (h) (1).
    b)
    SWS and mixed system suppliers using surface sources
    shall sample at points in the distribution system
    representative
    of
    each
    source
    or
    at
    entry.
    points
    to
    the
    distribution system after any application of treatment.
    SWS5 and mixed system suppliers shall sample each
    source
    every
    three
    months
    except
    as
    provided
    in
    subsection
    (h) (2).
    Sampling must be conducted at the
    same location or a more representative location each
    quarter.
    c)
    If
    the
    system
    draws
    water
    from
    more
    than
    one
    source
    and
    sources
    are
    combined
    before
    distribution,
    the
    supplier
    shall
    sample
    at
    an
    entry
    point
    to the distribution
    system during periods of normal operating conditions.
    d)
    Time
    for
    sampling.
    1)
    All
    CWS
    and
    NTNCWS
    suppliers serving more than
    3,300
    people
    shall
    analyze
    all
    distribution
    or
    entry-point samples, as appropriate, representing
    all source waters.
    2)
    All other
    CWS
    and
    NTNCWS
    suppliers shall analyze
    distribution
    or
    entry—point samples, as required
    in this paragraph, representing all source waters
    beginning no later than January
    1,
    1991.
    e)
    If the results exceed the MCL, the
    CWS
    or
    NTNCWS
    supplier shall initiate three additional analyses at
    the
    same
    sampling
    point
    within
    one month.
    The sample
    results must be averaged with
    the
    first
    sampling
    result
    and used for compliance determination in accordance
    with subsection
    (i).
    The Agency shall delete results
    of
    obvious
    sampling
    errors
    from
    this
    calculation.
    f)
    Analysis
    for
    vinyl
    chloride
    is
    required
    only
    for
    GWSs
    that
    have
    detected one or more of the following two—
    carbon organic compounds: Trichloroethylene,
    tetrachloroethylene,
    1,2—dichloroethane,
    1,1,1-
    trichloroethane, cis-1,2-dichloroethylene,
    trans-i,2-
    dichioroethylene or 1,1-dichloroethylene.
    The analysis
    for vinyl chloride is required at each distribution or
    entry point at which one or more of the two—carbon
    organic compounds were found.
    If the first analysis
    does not detect vinyl chloride, the Agency shall reduce
    the frequency of vinyl chloride monitoring to once
    every three years for that sample location or other
    0139-0313

    136
    sample locations that are more representative of the
    same source.
    g)
    The Agency or suppliers may composite up to five
    samples from one or more suppliers.
    Compositing of
    samples is to be done in the laboratory by the
    procedures
    listed
    below.
    Samples
    must
    be
    analyzed
    within fourteen days of collection.
    If any of the
    Phase
    .1
    VOCs
    is
    detected
    in
    the
    original
    composite
    sample, a sample from each source that made up the
    composite sample must be reanalyzed individually within
    fourteen days from sampling.
    The sample for reanalysis
    cannot
    be
    the
    original
    sample
    but
    can
    be
    a
    duplicate
    sample.
    If duplicates of the original samples are not
    available,
    new
    samples
    must
    be
    taken
    from
    each
    source
    used in the original composite and analyzed for the
    Phase
    I VOCs.
    Reanalysis must be accomplished within
    fourteen days of the second sample.
    To composite
    samples,
    the
    following
    procedure
    must
    be
    followed:
    1)
    Compositing
    samples
    prior
    to
    GC
    analysis.
    A)
    Add 5 ml or equal larger amounts of each
    sample
    (up
    to
    5 samples are allowed) to a 25
    ml glass syringe.
    Special precautions must
    be
    made
    to
    maintain
    zero
    headspace
    in
    the
    syringe.
    B)
    The
    samples
    must
    be cooled at
    40
    C
    during
    this
    step
    to
    minimize
    volatilization
    losses.
    C)
    Mix well and draw out a 5-nil aliquot for
    analysis.
    D)
    Follow sample introduction, purging and
    desorption
    steps
    described
    in
    the
    method.
    E)
    If
    less
    than
    five
    samples
    are
    used
    for
    compositing,
    a
    proportionately
    smaller
    syringe
    may
    be
    used.
    2)
    Compositing
    samples
    prior
    to
    GC/MS
    analysis.
    A)
    Inject
    5—nil or equal larger amounts of each
    aqueous sample
    (up to 5 samples are allowed)
    into a 25-ml purging device using the sample
    introduction technique described in the
    method.
    B)
    The total volume of the sample in the purging
    device must be 25 ml.
    0139-031
    4

    137
    C)
    Purge
    and
    desorb
    as
    described
    in
    the
    method.
    TTn$-fl
    January
    1,
    19~3, the
    Agency
    rthr~11
    REP, ro~uoe
    ——
    ~caueno’
    -~—-~--
    thc monitor~..,
    ~
    ir.
    and
    (b)
    if it makce the following dctcrminationc3:
    A)
    If none of the Phaoc
    I VOCo are detected in
    the
    firot
    aamplc
    (or
    any oubacqucnt aamplco
    that
    may
    be
    taken
    and
    the
    CWC
    io
    not
    vulnerable ao defined in oubocotion
    (h) (4)-~-
    monitoring
    muot
    be
    reduced
    to
    one
    eamplo
    and
    muct
    be
    repeated
    every
    5
    yearo.
    the firDt oamplc
    (or any aubr3equcnt oample
    that may be taken)
    and the
    CWS
    Ia vulnerable
    as
    defined
    in pubscation
    (h) (4) ~
    i)
    Monitoring one 3ample muat be repeated
    every
    3 yeara for CWSa with more than
    500 connectiona.
    ii)
    Monitoring one aamplc muot be
    repeated
    every
    5 ycaro for CWCa with 500 or fewer
    connectiona.
    it
    One or tnc i~naac
    i.
    vu~..o
    io
    actcocca in
    t.
    firat sample (or any aubaoqucnt oample that
    may be taken) rcgardlcaa of vulnerability,
    monitoring muot be repeated every
    3 montha,
    ~‘1~~
    ‘—I
    2)
    The
    —4
    —--v
    — —
    ,.,t.,,,
    — —
    __.!
    — -
    I VOCo ic det
    -—
    ypur
    01.
    quartoriy campling
    (or
    ~rny
    other
    eubeequcnt
    aamplc
    that
    may
    be
    taken)
    and
    the
    CWC
    ic not vulnerable
    ac
    defined
    in
    subecation
    (h)(4),
    additional
    monitoring
    is
    rinte
    rr~miirrii..
    B)
    If
    none
    of
    the
    ft
    01390315
    I VOCa Ia
    —‘--~
    h)
    A)
    If none of the Ph
    .~
    LJ~L~.
    year of quarterly aampling(orcniy
    other
    aubacqucnt
    oamplc
    that
    may
    be
    taken)
    and the
    cwc
    ia
    vulnerable
    aa
    defined
    in
    oubacotion
    (h) (4)
    i)
    Monitoring
    muat
    be
    repeated
    every
    three
    ycara
    (for CWS with more than 500

    138
    connections)
    Monitoring
    mu....
    _~
    -4
    years
    (for CWC with 500 or fewer
    connections).
    —I
    4-i..
    T~
    ~.
    -~
    4
    ~
    ~
    in
    th—
    must
    3)
    The Agency shall, by CEP, reduce the frequency of
    monitoring to once per year for a CWC or CWC which
    detects
    one
    of
    the
    Phase
    I
    VOCa
    at
    levels
    consistently less than the MCL for three
    conocoutive
    years,
    unless
    the
    levels
    are
    4)
    The
    Agency
    shall,
    by
    CEP,
    determine
    the
    vulnerability of
    ~
    ~-
    ef-thc followi..~,
    cacn
    ractoro
    A)
    Previous monitoring results.
    B)
    Number of persona served by
    CWC.
    C)
    Proximity of a smaller
    CWC
    to a larger CWC.
    U—
    ~~1
    jal or industrial
    disposal or storage of the the Phase
    I VOCs.
    E)
    Protccti
    5)
    A CWC is deemed to be vulnerable for a period
    three
    years after any positive measurement of
    of
    one
    or marc contaminants listed in Ccctions
    611.650(0),
    611.657(d)
    or 611.311(a),
    except for
    THMs or other demonstrated disinfection by-
    products.
    This subsection corresponds with 40 CFR 141.24(g) (8),
    the effectiveness of which expired on January
    1,
    1993.
    Although
    USEPA
    has
    not
    repealed
    this
    provision,
    the
    Board has done so to avoid confusion.
    This statement
    maintains structural integrity with USEPA rules.
    i)
    Compliance with Section 611.311(a)
    is determined based
    on
    the
    results
    of
    running
    annual
    average
    of
    quarterly
    sampling for each sampling location.
    If one location’s
    average is greater than the MCL,
    then the CWS or NTNCWS
    0139-0316
    ——
    I
    first
    year
    of
    quarterly
    sampling
    (or
    any
    other
    subsequent
    sample
    that
    may
    be
    taken),
    regardless of vulnerability, monitoring
    be repeated every
    3
    months,
    as
    required undor
    subsection
    (b).
    upon an asscaamcn~

    139
    is deemed to be out of compliance.
    If a CWS or NTNCWS
    has
    a
    distribution
    system
    separable
    from
    other
    parts
    of
    the distribution system with no interconnections, only
    that part of the system that exceeds any MCL as
    specified
    in
    Section
    611.311(a)
    is deemed out of
    compliance.
    The
    Agency
    shall,
    by
    SEP,
    reduce
    the
    public
    notice
    requirement
    to
    that
    portion
    of
    the
    CWS
    that is out of compliance.
    If any one sample result
    would
    cause
    the
    annual
    average
    to
    be exceeded, then the
    CWS
    is deemed to be out of compliance immediately.
    For
    CWS
    suppliers
    that
    only take one sample per location
    because
    none
    of
    the
    Phase
    I
    VOCs were detected,
    compliance is based on that one sample.
    j)
    Analysis under this Section must be conducted using the
    following methods or alternatives approved pursuant to
    Section 611.480.
    These methods are contained in
    USEPA
    Organic Methods, incorporated by reference in Section
    611.102:
    1)
    Method
    502.1.
    2)
    Method
    503.1.
    3)
    Method 524.1.
    4)
    Method
    524.2.
    5)
    Method
    502.2.
    k)
    Analysis under this Section must only be conducted by
    laboratories that have received conditional approval by
    the Agency, pursuant to Section 611.490, according to
    the
    following
    conditions:
    1)
    To receive conditional approval to conduct
    analyses
    for the Phase
    I VOCs, except
    vinyl
    chloride, the laboratory shall:
    A)
    Analyze performance evaluation samples that
    include these substances provided by the
    Agency
    pursuant
    to
    35 Ill. Adm. Code
    183.125(c) (3).
    B)
    Achieve
    the
    quantitative acceptance limits
    under subsection
    (k) (1) (C) or
    (D)
    for at
    least
    six
    of
    the
    Phase
    I
    VOCs,
    except
    vinyl
    chloride.
    C)
    Achieve
    quantitative
    results
    on
    the
    analyses
    performed
    under
    subsection
    (k)
    (1)
    (A)
    that
    are
    within±
    20
    percent
    of
    the
    actual
    amount
    of
    0139-0317

    140
    the substances
    in the performance evaluation
    sample when the actual amount
    is greater than
    or equal to 0.010 mg/L.
    D)
    Achieve quantitative results on the analyses
    performed under subsection
    (k) (1) (A) that are
    within_±40 percent of the actual amount of
    the substances in the performance evaluation
    sample when the actual amount is less than
    0.010 mg/L.
    E)
    Achieve a method detection limit of 0.0005
    mg/L,
    according to the procedures in 40 CFR
    136, App.
    B, incorporated by reference in
    Section 611.102
    F)
    Be currently approved by the Agency for the
    analysee of TINs under Subpart P.
    2)
    To receive conditional approval for vinyl
    chloride, the laboratory shall:
    A)
    Analyze performance evaluation samples
    provided by the Agency.
    (See 35 Ill.
    Adju.
    Code 183.125(c) (3).)
    B)
    Achieve quantitative results on the analyses
    performed under subsection
    (k) (2) (A) that are
    within_±
    40
    percent
    of
    the actual amount of
    vinyl chloride in the performance evaluation
    sample.
    C)
    Achieve a method detection limit of 0.0005
    mg/L,
    according
    to the procedures in 40 CFR
    136, App.
    B,
    incorporated by
    reference
    in
    Section 611.102.
    D)
    Receive
    approval
    or
    be
    currently
    approved
    by
    the
    Agency
    under
    subsection
    (k) (1).
    1)
    The
    Agency
    shall,
    by
    SEP,
    increase
    required
    monitoring
    where
    it
    determines
    that
    it
    is
    necessary
    to
    do
    so
    to
    detect
    variations
    within
    the
    CWS.
    m)
    This subsection corresponds with 40 CFR 141.24(g) (14),
    an optional USEPA provision relating to compositing of
    samples that USEPA does not require for state programs.
    This statement maintains structural consistency with
    USEPA rules.
    o)
    Each approved laboratory shall determine the method
    detection limit
    (MDL), as defined in 40 CFR 136, App.
    01390318

    141
    B, incorporated by reference in Section 611.102,
    at
    which
    it
    is
    capable
    of
    detecting each of the Phase
    I
    VOC5.
    The acceptable
    MDL
    is 0.0005 mg/L.
    This
    concentration is the detection level for purposes of
    subsections
    (e),
    (f),
    (g) and
    (h).
    BOARD NOTE:
    Derived from 40 CFR 141.24(g)
    (l99&~j.
    (Source:
    Added
    at
    16
    Ill.
    Reg.
    _________,
    effective
    ________
    ____________________________ )
    Section 611.648
    Phase II Synthetic Organic Contaminants
    Analysis of the Phase II SOC5 for the purposes of determining
    compliance with the MCL must be conducted as follows:
    a)
    Definitions.
    As used in this Section:
    “Detect or detection” means that the contaminant
    of interest is present at a level greater than or
    equal to the “detection limit”.
    “Detection limit” means the level of the
    contaminant of interest that is specified in
    subsection
    (r).
    BOARD NOTE:
    This is a “trigger level” for Phase
    II SOCs inasmuch as it prompts further action.
    The use of the term “detect” or “detection” in
    this section is not intended to include any
    analytical capability of quantifying lower levels
    of any contaminant, or the “method detection
    limit”.
    b)
    Required sampling.
    Each supplier shall take a minimum
    of one sample at each sampling point at the times
    required in subsection
    (q).
    BOARD NOTE:
    USEPA stayed the effective date of the
    MCLS for aldicarb. aldicarb sulfone. and aldicarb
    sulfoxide at 57 Fed. Req.
    22178 (May 27,
    1991).
    Section 611.311(c)
    includes this stay.
    However,
    despite the stay of the effectiveness of the MCLs for
    these three SOCs,
    suppliers must monitor for them.
    c)
    Sampling points.
    1)
    Sampling points for GWS5.
    Unless otherwise
    provided by SEP,
    a GWS supplier shall take at
    least one sample from each of the following
    points:
    each entry point that is representative
    of each well after treatment.
    0139-0319

    142
    2)
    Sampling points for SWSs and mixed systems.
    Unless otherwise provided by SEP,
    a SWS or mixed
    system supplier shall sample from each of the
    following points:
    A)
    Each entry point after treatment;
    or
    B)
    Points in the distributi’n system that are
    representative of each source.
    3)
    The supplier shall take each sample at the same
    sampling point unless the Agency has granted a SEP
    that designates another location as more
    representative of each source, treatment plant, or
    within the distribution system.
    4)
    If a system draws water from more than one source,
    and the sources are combined before distribution,
    the supplier shall sample at an entry point during
    periods of normal operating conditions when water
    is representative of all sources being used.
    BOARD NOTE:
    Subsections
    (b) and
    (C)
    derived from
    40 CFR 141.24(h) (1) through
    (h)(3)
    (199~2J.
    d)
    Monitoring frequency:
    1)
    Each
    CWS
    and NTNCWS supplier shall take four
    consecutive quarterly samples for each of the
    Phase
    II SOCs during each compliance period,
    beginning in the three-year compliance period
    starting January
    1,
    1993.
    2)
    Suppliers serving more than 3,300 persons that do
    not detect a contaminant in the initial compliance
    period,
    shall take a minimum of two quarterly
    samples in one year of each subsequent three—year
    compliance period.
    3)
    Suppliers serving less than or equal to 3,300
    persons that do not detect a contaminant in the
    initial compliance period,
    shall take a minimum of
    one sample during each subsequent three—year
    compliance period.
    e)
    Reduction to annual monitoring frequency.
    A CWS or
    NTNCWS supplier may apply to the Agency for a SEP that
    releases it from the requirements of subsection
    (d).
    A
    SEP from the requirement of subsection
    (d)
    shall last
    for only a single three—year compliance period.
    f)
    Vulnerability Assessment.
    The Agency shall grant
    a SEP
    0
    39-0320

    143
    from the requirements of subsection
    (d)
    based on
    consideration of the factors set forth at Section
    611.110(e).
    g)
    If one of the Phase II SOC5 is detected in any sample,
    then:
    1)
    The supplier shall monitor quarterly for the
    contaminant at each sampling point that resulted
    in a detection.
    2)
    Annual monitoring.
    A)
    A supplier may request that the Agency grant
    a SEP pursuant to Section 610.110 that
    reduces the monitoring frequency to annual.
    B)
    A request for a SEP must include the
    following minimal information:
    1)
    For a GWS, two quarterly samples.
    ii)
    For a SWS or mixed system, four
    quarterly samples.
    C)
    The Agency shall grant a SEP that allows
    annual monitoring at a sampling point if it
    determines that the sampling point is
    reliably and consistently below the MCL.
    D)
    In issuing the SEP, the Agency shall specify
    the level of the contaminant upon which the
    “reliably and consistently” determination was
    based
    All SEP5 that allow less frequent
    monitoring based on an Agency “reliably and
    consi~tently”determination shall include a
    condition requiring the supplier to resume
    quarterly monitoring pursuant to subsection
    (g) (1)
    if it detects any Phase II SOC.
    3)
    Suppliers that monitor annually shall monitor
    during the quarter(s)
    that previously yielded the
    highest analytical result.
    4)
    Suppliers that have three consecutive annual
    samples with no detection of
    a contaminant at a
    sampling point may apply to the Agency for a SEP
    with respect to that point,
    as specified in
    subsections
    (e) and
    (f).
    5)
    Monitoring for related contaminants.
    U 139-0321

    144
    A)
    If monitoring results in detection of one or
    more of the related contaminants listed in
    subsection
    (g) (5) (B), subsequent monitoring
    shall analyze for all the related compounds
    in
    the
    respective
    group.
    B)
    Related contaminants:
    i)
    first group:
    aldicarb
    aldicarb sui~fone
    aldicarb sulfoxide
    ii)
    second group:
    heptachlor
    heptachlor epoxide,
    h)
    Quarterly monitoring following MCL violations.
    1)
    Suppliers that violate an MCL for one of the Phase
    II SOC5, as determined by subsection
    (k), shall
    monitor quarterly for that contaminant at the
    sampling point where the violation occurred,
    beginning the next quarter after the violation.
    2)
    Annual monitoring.
    A)
    A supplier may request that the Agency grant
    a SEP pursuant to Section 611.110 that
    reduces the monitoring frequency to annual.
    B)
    A request for a
    SEP
    must include, at a
    minimum, the results from four quarterly
    samples.
    C)
    The
    Agency
    shall grant a SEP that allows
    annual monitoring at a sampling point if it
    determines that the sampling point is
    reliably and consistently below the MCL.
    D)
    In
    issuing
    the
    SEP,
    the
    Agency
    shall
    specify
    the
    level
    of the contaminant upon which the
    “reliably and consistently” determination was
    based
    All SEPs that allow less frequent
    monitoring based on an Agency “reliably and
    consi~tently”determination shall include a
    condition requiring the supplier to resume
    quarterly monitoring pursuant to subsection
    (h) (1)
    if
    it detects any Phase II SOC.
    01390322

    145
    E)
    The supplier shall monitor during the
    quarter(s)
    that previously yielded the
    highest analytical result.
    I)
    Confirmation samples.
    1)
    If any of the Phase II SOC5 are detected in a
    sample, the supplier shall take a confirmation
    sample as soon as possible, but no later than 14
    days after the supplier receives notice of the
    detection.
    2)
    Averaging is as specified in subsection
    (k).
    3)
    The Agency shall delete the original or
    confirmation sample if It determines that a
    sampling error occurred,
    in which case the
    confirmation sample will replace the original or
    confirmation sample.
    j)
    This subsection corresponds with 40 CFR 141.24(h) (10),
    an optional USEPA provision relating to compositing of
    samples that USEPA does not require for state programs.
    This statement maintains structural consistency with
    USEPA rules.
    k)
    Compliance with the MCL5 for the Phase II SOC5 shall be
    determined based on the analytical results obtained at
    each
    sampling
    point.
    1)
    For suppliers that are conducting monitoring at a
    frequency greater than annual, compliance is
    determined
    by
    a running annual average of all
    samples taken at each sampling point.
    A)
    If the annual average of any sampling point
    is greater than the MCL, then the supplier is
    out of compliance.
    B)
    If the initial sample or a subsequent sample
    would
    cause
    the
    annual
    average
    to
    be
    exceeded, then the supplier is out of
    compliance immediately.
    C)
    Any samples below the detection limit must be
    calculated as zero for purposes of
    determining the annual average.
    2)
    If monitoring is conducted annually or less
    frequently,
    the supplier
    is out of compliance if
    the
    level of a contaminant at any sampling point
    is greater than the MCL.
    If a confirmation sample
    0139-0323

    146
    is taken, the determination of compliance
    is based
    on the average of two samples.
    3)
    Public notice for a supplier out of compliance is
    governed by Subpart
    T.
    BOARD NOTE:
    Derived from 40 CFR 141.24(h) (11.)
    (199~2).
    1)
    Analysis for Phase II SOCs must be conducted using the
    following methods.
    These methods are contained in
    USEPA Organic Methods—fer the Determination of Organic
    Compounds
    in Drinking Water,
    incorporated by reference
    in Section 611.102.
    1)
    Method 504,
    “1,2-Dibromoethane
    (EDB)
    and
    1,2-Dibromo-3-chloropropane
    (DBCP)
    in Water by
    Microextraction and Gas Chromatography.”
    Method
    504 can be used to measure 1,2—Dibromo—3—chloro—
    propane (dibromochloropropane or DBCP)
    and
    1, 2-Dibromoethane (ethylene dibromide or EDB).
    2)
    Method
    50.5,
    “Analysis
    of
    Organohalide
    Pesticides
    and Commercial Polychlorinated Biphenyl Products
    (Aroclors)
    in Water by Microextraction and Gas
    Chromatography.”
    Method
    505 can be used to
    measure alachlor, atrazlne, chlordane,
    DDT,
    dieldrin, endrin, heptachlor, heptachlor epoxide,
    lindane, inethoxychlor, and toxaphene.
    Method 505
    can be used as a screen for PCB5.
    3)
    Method 507, “Determination of Nitrogen- and
    Phosphorus-Containing Pesticides in Ground Water
    by Gas Chromatography with a Nitrogen-Phosphorus
    Detector.”
    Method
    507 can be used to measure
    alachlor
    and
    atrazine.
    4)
    Method 508, “Determination of Chlorinated
    Pesticides in Water by Gas Chromatography with an
    Electron Capture Detector.”
    Method 508 can be
    used to measure chlordane,
    DDT, dieldrin, endrin,
    heptachlor, heptachlor epoxide,
    lindane,
    methoxychlor, and toxaphene.
    Method 508 can be
    used as a screen for PCB5.
    5)
    Method 508A,
    “Screening for Polychlorinated
    Biphenyls by Perchlorination and Gas
    Chromatography.” Method 508A is used to quantitate
    PCBs as decachlorobiphenyl
    if detected
    in Methods
    505 or 508.
    6)
    Method 515.1,
    revisjon 5.0
    (Nay,
    1991),
    “Determin—
    t—~
    ~
    f~
    (~
    ‘~
    9 h

    147
    ation of Chlorinated Acids
    in Water by Gas
    Chromatography with an Electron Capture Detector.”
    Method 515. 1 can be used to measure 2,4—D,
    2,4,5-TP (Silvex) and pentachlorophenol.
    7)
    Method 525.1, revision 3.0
    (May,
    1991), “Determin-
    ation of Organic Compounds in Drinking Water by
    Liquid-Solid Extraction and Capillary Column Gas
    Chromatography/Mass Spectrometry.”
    Method 525 can
    be used to measure alachlor, atrazine, chlordane,
    heptachlor, heptachlor epoxide, lindane,
    methoxychlor, and pentachlorophenol.
    8)
    Method 531.1,
    “Measurement of N-Methyl
    Carbamoyloximes and N—Methyl Carbamates in Water
    by Direct Aqueous Injection HPLC with Post-Column
    Derivatization.” Method 531.1 can be used to
    measure aldicarb, aldicarb sulfoxide, aldicarb
    sulfone,
    and carbofuran.
    m)
    Analysis for PCB5 must be conducted as follows:
    1)
    Each supplier that monitors for PCBs shall analyze
    each sample using either USEPA Organic Methods,
    Method 505 or Method 508.
    2)
    If PCBs are detected in any sample analyzed using
    USEPA Organic Methods, Methods 505 or 508, the
    supplier shall reanalyze the sample using Method
    508A to quantitate the individual Aroclors
    (as
    decachlorobiphenyl).
    3)
    Compliance with the PCB MCL must be determined
    based upon the quantitative results of analyses
    using USEPA Organic Methods, Method 508A.
    n)
    Use of existing data.
    1)
    The Agency shall allow the use of data collected
    after January
    1,
    1990 but prior to the effective
    date of this Section, pursuant to Agency sample
    request letters,
    if it determines that the data
    are generally consistent with the requirements of
    this Section.
    2)
    The Agency shall grant a SEP pursuant to Section
    611.110 that allows a supplier to monitor annually
    beginning January
    1,
    1993
    if it determines that
    the supplier did not detect any Phase I VOC or
    Phase II VOC using existing data allowed pursuant
    to subsection
    (n)(1).
    ~t39-~3~5

    148
    o)
    The Agency shall issue a SEP that increases the number
    of sampling points or the frequency of monitoring if it
    determines that this
    is necessary to detect variations
    within the PWS due to such factors as fluctuations in
    contaminant concentration due to seasonal use or
    changes in the water source.
    BOARD NOTE:
    At 40 CFR 141.24(h) (15), USEPA uses the
    stated factors as non—limiting examples of
    circumstances that make additional monitoring
    necessary.
    p)
    This subsection corresponds with 40 CFR
    141.24
    (h) (16~,
    a IJSEPA provision that the Board has not adopted
    because it reserves enforcement authority to the state
    and would serve no useful function as part of the
    state’s rules.
    This statement maintains structural
    consistency with USEPA rules.
    q)
    Each supplier shall monitor, within each compliance
    period, at the time designated by the Agency by SEP
    pursuant to Section 611.110.
    r)
    “Detection” means greater than or equal to the
    following concentrations for each contaminant:
    1)
    for PCBs (Aroclors):
    Aroclor
    Detection Limit
    (mg/L)
    1016
    0.00008
    1221
    0.02
    1232
    0.0005
    1242
    0.0003
    1248
    0.0001
    1254
    0.0001
    1260
    0.0002
    2)
    for
    other
    Phase
    II
    SOC5:
    Contaminant
    Detection Limit
    (mg/L)
    Alachlor
    0.0002
    Aldicarb
    0.0005
    Aldicarb sulfoxide
    0.0005
    Aldicarb sulfone
    0.0008
    Atrazine
    0.0001
    Carbofuran
    0.0009
    Chlordane
    0.0002
    Dibromochloropropane
    (DBCP)
    0.00002
    2,4—D
    0.0001
    Ethylene dibromide (EDB)
    0.00001
    o~39_0326

    149
    Heptachlor
    0.00004
    Heptachior
    epoxide
    0.00002
    Lindane
    0.00002
    Methoxychlor
    0.0001
    Polychlorinated biphenyls
    (PCBs)
    (as decachlorobiphenyl)
    0.0001
    Pentachlorophenol
    0.00004
    Toxaphene
    0.001
    2,4,5—TP
    (Silvex)
    0.0002
    BOARD NOTE:
    Derived from 40 CFR 141.24(h)
    (19912..).
    s)
    Laboratory Certification.
    1)
    Analyses under this Section must only be conducted
    by laboratories that have received approval by
    USEPA or the Agency according to the following
    conditions.
    2)
    To receive certification to conduct analyses for
    the Phase II SOCs the laboratory must:
    A)
    Analyze performance evaluation samples
    provided by the Agency pursuant to 35 Ill.
    Adm.
    Code 183.125(c) that include these
    substances;
    and
    B)
    Achieve quantitative results on the analyses
    performed under subsection
    (s) (2) (A) that
    that are within the acceptance lim.its set
    forth in subsection
    (8) (2) (C).
    C)
    Acceptance limits:
    SOC
    Acceptance
    Limits
    Alachlor
    ±45
    Aldicarb
    2 standard deviations
    Aldicarb sulfone
    2 standard deviations
    Aldicarb sulfoxide 2 standard deviations
    Atrazine
    ± 45
    Carbofuran
    ± 45
    Chlordane
    ±45
    Dibromochloropropane
    (DBCP)
    ±40
    Ethylene dibromide
    (EDB)
    ±40
    Heptachior
    ±45
    Heptachlor epoxide
    ±45
    Lindane
    ±45
    Methoxychlor
    ±45
    PCBs
    (as Decachlorobiphenyl)
    0-200
    Pentachlorophenol
    ±50
    0139-0327

    150
    Toxaphene
    ±45
    2,4,5—TP
    (Silvex)
    ±50
    2,4—D
    ±50
    (Source:
    Section 611.648 renumbered to Section 611.647, new
    Section 611.648 added at 16
    Ill. Reg.
    _________
    effective
    _____
    _______________________________________________
    )
    Section 6ll.Appendix A
    Mandatory Health Effects Information
    1)
    Trichloroethylene.
    The United States Environmental
    Protection Agency
    (USEPA)
    sets drinking water standards
    and has determined that trichloroethylene is a health
    concern at certain levels of exposure.
    This chemical
    is
    a common metal cleaning and dry cleaning fluid.
    It
    generally gets into drinking water by improper waste
    disposal.
    This chemical has been shown to cause cancer
    in laboratory animals such as rats and mice when the
    animals are exposed at high levels over their
    lifetimes.
    Chemicals that cause cancer in laboratory
    animals also may increase the risk of cancer in humans
    who are exposed at lower levels over long periods of
    time.
    USEPA has set forth the enforceable drinking
    water standard for trichioroethylene at 0.005 parts per
    million
    (ppm)
    to reduce the risk of cancer or other
    adverse health effects which have been observed in
    laboratory animals.
    Drinking water which meets this
    standard
    is
    associated
    with
    little
    to
    none
    of
    this
    risk
    and should be considered safe.
    2)
    Carbon tetrachloride.
    The United States Environmental
    Protection Agency
    (USEPA) sets drinking water standards
    and has determined that carbon tetrachloride is a
    health concern at certain levels of exposure.
    This
    chemical was once a popular household cleaning fluid.
    It generally gets into drinking water by improper waste
    disposal.
    This
    chemical has been shown to cause cancer
    in laboratory animals such as rats and mice when the
    animals are exposed at high levels over their
    lifetimes.
    Chemicals that cause cancer in laboratory
    animals also may increase the risk of cancer in humans
    who are exposed at lower levels over long periods of
    time.
    USEPA has set the enforceable drinking water
    standard for carbon tetrachloride at 0.005 parts per
    million
    (ppm)
    to reduce the risk of cancer or other
    adverse health effects which have been observed in
    laboratory animals.
    Drinking water which meets this
    standard is associated with little to none of this risk
    and should be considered safe.
    3)
    l,2-Dichloroethane.
    The United States Environmental
    0! 39-0328

    151
    Protection Agency
    (USEPA)
    sets drinking water standards
    and has determined that 1,2-dichloroethane is a health
    concern at certain levels of exposure.
    This chemical
    is used as a cleaning fluid for fats, oils, waxes and
    resins.
    It generally gets into drinking water by
    improper waste disposal.
    This chemical has been shown
    to cause cancer in laboratory animals such as rats and
    mice when the animals are exposed at high levels over
    their lifetimes.
    Chemicals that. cause cancer in
    laboratory animals also may increase the risk of cancer
    in humans who are exposed at lower levels over long
    periods of time.
    USEPA has set the enforceable
    drinking water standard for 1,2—dichloroethane at 0.005
    parts per million
    (ppm)
    to reduce the risk of cancer or
    other adverse health effects which have been observed
    in laboratory animals.
    Drinking water which meets this
    standard is associated with little to none of this risk
    and should be considered safe.
    4)
    Vinyl chloride.
    The United States Environmental
    Protection
    Agency
    (USEPA)
    sets
    drinking
    water
    standards
    and has determined that vinyl chloi.ide is a health
    concern
    at certain levels of exposure.
    This chemical
    is used in industry and is found in drinking water as a
    result of the breakdown of related solvents.
    The
    solvents are used as cleaners and degreasers of metals
    and generally get into drinking water by improper waste
    disposal.
    This chemical has been associated with
    significantly increased risks of cancer among certain
    industrial workers who were exposed to relatively large
    amounts of
    this
    chemical
    during
    their
    working
    careers.
    This chemical has also been shown to cause cancer in
    laboratory animals when the animals are exposed at high
    levels
    over
    their
    lifetimes.
    Chemicals that cause
    increased risk of cancer among exposed industrial
    workers and in laboratory animals also may increase the
    risk
    of
    cancer
    in
    humans
    who
    are
    exposed
    at
    lower
    levels
    over
    long
    periods
    of
    time.
    USEPA
    has set the
    enforceable drinking water standard for vinyl chloride
    at 0.002 parts per million
    (ppm)
    to reduce the risk of
    cancer or other adverse health effects which have been
    observed
    in
    laboratory
    animals.
    Drinking
    water
    which
    meets this standard is associated with little to none
    of this risk and should be considered safe.
    5)
    Benzene.
    The United States Environmental Protection
    Agency
    (USEPA) sets drinking water standards and has
    determined that benzene is a health concern at certain
    levels of exposure.
    This chemical is used as a solvent
    and degreaserof metals.
    It is also a major component
    of gasoline.
    Drinking water contamination generally
    results from leaking underground gasoline and petroleum
    O~390329

    152
    tanks or improper waste disposal.
    This chemical has
    been associated with significantly increased risks of
    leukemia among certain industrial workers who were
    exposed to relatively large amounts of this chemical
    during their working careers.
    This chemical has also
    been shown to This chemical has been shown to cause
    cancer in laboratory animals when the animals are
    exposed
    at
    high
    levels
    over
    their
    lifetimes.
    Chemicals
    that cause increased risk of
    cancer
    among
    exposed
    industrial workers and in laboratory animals also may
    increase the risk of cancer in humans who are exposed
    at lower levels over long periods of time.
    USEPA has
    set the enforceable drinking water standard for benzene
    at 0.005 parts per million
    (ppm) to reduce the risk of
    cancer or other adverse health effects which have been
    observed in humans and laboratory animals.
    Drinking
    water which meets this standard is associated with
    little to none of this risk and should be considered
    safe.
    6)
    l,1-Dichloroethylene.
    The United States Environmental
    Protection Agency
    (USEPA) sets drinking water standards
    and has determined that 1,1-dichloroethylene is a
    health concern at certain levels of exposure.
    This
    chemical
    is used in industry and is found in drinking
    water as a result of the breakdown of related solvents.
    The solvents are used as cleaners and degreasers of
    metals and generally into drinking water by improper
    waste
    disposal.
    This
    chemical
    has
    been
    shown
    to
    cause
    liver and kidney damage in laboratory animals such as
    rats
    and
    mice
    when
    the
    animals
    are
    exposed
    at
    high
    levels
    over
    their
    lifetimes.
    Chemicals
    that
    cause
    adverse effects in laboratory animals also may cause
    adverse
    health
    effects
    in
    humans
    who
    are
    exposed
    at
    lower levels over long periods of time.
    USEPA has set
    the enforceable drinking water standard for 1,1-
    dichloroethylene
    at
    0.007
    parts
    per million
    (ppm)
    to
    reduce
    the
    risk
    of
    these
    adverse
    health
    effects
    which
    have
    been
    observed
    in
    laboratory
    animals.
    Drinking
    water which meets this standard is associated with
    little to none of this risk and should be considered
    safe.
    7)
    Para-dichlorobenzene.
    The United States Environmental
    Protection Agency
    (USEPA)
    sets drinking water standards
    and has determined that para—dichlorobenzene is a
    health concern at certain levels of exposure.
    This
    chemical is a component of deodorizers, moth balls and
    pesticides.
    It generally gets into drinking water by
    improper waste disposal.
    This chemical has been shown
    to cause liver and kidney damage in laboratory animals
    such as rats and mice when the animals are exposed at
    01390330

    153
    high levels over their lifetimes.
    Chemicals which
    cause adverse effects
    in laboratory animals also may
    cause adverse health effects in humans who are exposed
    at lower levels over long periods of time.
    USEPA has
    set the enforceable drinking water standard for para—
    dichlorobenzene at 0.075 parts per million
    (ppm) to
    reduce the risk of these adverse health effects which
    have been observed in laboratory animals.
    Drinking
    water which meets this standard is associated with
    little to none of this risk and should be considered
    safe.
    8)
    1,1,1-Trichloroethane.
    The United States Environmental
    Protection Agency
    (USEPA)
    sets drinking water standards
    and has determined that 1,1,1-trichioroethane is a
    health concern at certain levels of exposure.
    This
    chemical is used as a cleaner and degreaser of metals.
    It generally gets into drinking water by improper waste
    disposal.
    This chemical has been shown to damage the
    liver, nervous system and circulatory system of
    laboratory animals such as rats and mice when the
    animals are exposed at high levels over their
    lifetimes.
    Some industrial workers who were exposed to
    relatively large amounts of this chemical during their
    working careers also suffered damage to the liver,
    nervous system and circulatory system.
    Chemicals which
    cause adverse effects among exposed industrial workers
    and in laboratory animals also may cause adverse health
    effects in humans who are exposed at lower levels over
    long periods of time.
    USEPA has set the enforceable
    drinking water standard for 1,1,1-trichloroethane at
    0.2 parts per million
    (ppm)
    to protect against the risk
    of these adverse health effects which have been
    observed in laboratory animals.
    Drinking water which
    meets this standard is associated with little to none
    of this risk and should be considered safe.
    9)
    Fluoride.
    The U.S. Environmental Protection Agency
    requires that we send you this notice on the level of
    fluoride in your drinking water.
    The drinking water in
    your community has a fluoride concentration of
    milligrams per liter
    (mg/L).
    Federal regulations require that fluoride, which occurs
    naturally in your water supply, not exceed a
    concentration of 4.0 mg/L in drinking water.
    This is
    an enforceable standard called a Maximum Contaminant
    Level
    (MCL), and it has been established to protect the
    public health.
    Exposure to drinking water levels above
    4.0 mg/L for many years may result in some cases of
    crippling skeletal fluorosis,
    which
    is
    a serious bone
    disorder.
    0139-0331

    154
    Federal law also requires that we notify you when
    monitoring indicates that the fluoride in your drinking
    water exceeds 2.0 mg/L.
    This is intended to alert
    families about dental problems that might affect
    children under nine years of age.
    The fluoride
    concentration of your water exceeds this federal
    guideline.
    Fluoride in children’s drinking, water at levels of
    approximately
    1 mg/L reduces the number of dental
    cavities.
    However, some children exposed to levels of
    fluoride greater than about 2.0 mg/L may develop dental
    fluorosis.
    Dental fluorosis,
    in its moderate and
    severe forms,
    is a brown staining and/or pitting of the
    permanent teeth.
    Because dental fluorosis occurs only when developing
    teeth (before they erupt from the
    gums)
    are exposed to
    elevated fluoride levels, households without children
    are not expected to be affected by this level of
    fluoride.
    Families with children under the age of nine
    are encouraged to seek other sources of drinking water
    for their children to avoid the possibility of staining
    and pitting.
    Your water’supplier can lower the concentration of
    fluoride in your water so that you will still receive
    the benefits of cavity prevention while the possibility
    of stained and pitted teeth is minimized.
    Removal of
    fluoride may increase your water costs.
    Treatment
    systems are also commercially available for home use.
    Information on such systems is available at the address
    given below.
    Low fluoride bottled drinking water that
    would meet all standards is also commercially
    available.
    For further information, contact
    at your
    water system.
    BOARD
    NOTE:
    Derived from 40 CFR 141.32(e) (9) and 143.5
    (19912.).
    10)
    Microbiological contaminants
    (for use when there is a
    violation of the treatment technique requirements for
    filtration and disinfection in Subpart B).
    The United
    States Environmental Protection Agency
    (USEPA)
    sets
    drinking water standards and has determined that the
    presence of microbiological contaminants are a health
    concern at certain levels of exposure.
    If water is
    inadequately treated, microbiological contaminants in
    that water may cause disease.
    Disease symptoms may
    include diarrhea,
    cramps, nausea and possibly jaundice
    0j39-0332

    155
    and any associated headaches and fatigue.
    These
    symptoms, however, are not just associated with
    disease—causing organisms in drinking water,
    but also
    may be caused by a number of factors other than your
    drinking water.
    USEPA has set enforceable requirements
    for treating drinking water to reduce the risk of these
    adverse health effects.
    Treatment such as filtering
    and disinfecting the water removes or destroys
    microbiological contaminants.
    Drinking water which is
    treated to meet USEPA requirements is associated with
    little to none of this risk and should be considered
    safe.
    11)
    Total coliforms.
    (To be used when there is a violation
    of Section 611.325(a)
    and not a violation of Section
    611.325(b)).
    The United States Environmental
    Protection Agency
    (USEPA)
    sets drinking water standards
    and has determined that the presence of total coliforms
    is a possible health concern.
    Total coliforms are
    common in the environment and are generally not harmful
    themselves.
    The presence of these bacteria in drinking
    water, however, generally is a result of a problem with
    water treatment or the pipes which ~distribute the water
    and indicates that the water may be contaminated with
    organisms that can cause disease.
    Disease symptoms may
    include diarrhea, cramps, nausea and possibly jaundice,
    and any associated headaches and fatigue.
    These
    symptoms, however, are not just associated with
    disease—causing organisms in drinking water,
    but also
    may be caused by
    a number of factors other than your
    drinking water.
    USEPA has set an enforceable drinking
    water standard for total coliforms to reduce the risk
    of these adverse health effects.
    Under this standard,
    no more than 5.0 percent of the samples collected
    during a month can contain these bacteria, except that
    systems collecting fewer than 40 samples/month that
    have one total coliform—positive sample per month are
    not violating the standard.
    Drinking water which meets
    this standard is usually not associated with a health
    risk from disease—causing bacteria and should be
    considered safe.
    12)
    Fecal ColiformsfE.
    coli.
    (To be used when there is a
    violation of Section 611.325(b) or both Section
    611.325(a)
    and
    (b)).
    The United States Environmental
    Protection Agency
    (USEPA) sets drinking water standards
    and has determined that the presence of fecal coliforms
    or E.
    coli is a serious health concern.
    Fecal
    coliforms and E.
    coli are generally not harmful
    themselves,
    but their presence
    in drinking water is
    serious because they usually are associated with sewage
    or animal wastes.
    The presence of these bacteria in
    0133-0333

    156
    drinking water is generally a result of a problem with
    water treatment or the pipes which distribute the water
    and indicates that the water may be contaminated with
    organisms that can cause disease.
    Disease symptoms may
    include diarrhea,
    cramps, nausea and possibly jaundice,
    and associated headaches and fatigue.
    These symptoms,
    however, are not just associated with disease—causing
    organisms in drinking water, but also may be caused by
    a number of factors other than your drinking water.
    USEPA has set an enforceable drinking water standard
    for fecal coliforms and E.
    coli
    to
    reduce
    the
    risk
    of
    these adverse health effects.
    Under this standard all
    drinking water samples must be free of these bacteria.
    Drinking water which meets this standard is associated
    with little or none of this risk and should be
    considered safe.
    State and local health authorities
    recommend that consumers take the following
    precautions:
    To
    be inserted by the public water
    system, according to instruction from State or local
    authorities.
    13)
    This
    subsection
    corresponds
    with
    40
    CFR
    141.32
    (e)
    (13),
    reserved
    by
    UCEPA.
    This
    atatomont
    maintains
    structural
    consistency with UCEPA rulos.Lead.
    The United States
    Environmental Protection Agency
    (USEPA) sets drinking
    water standards and has determined that lead is a
    health concern at certain exposure levels.
    Materials
    that contain lead have freauently been used in the
    construction
    of
    water
    supply
    distribution
    systems,
    and
    plumbing systems in private homes
    and
    other
    buildings.
    The most commonly found materials include service
    lines, pipes, brass and bronze fixtures, and solders
    and fluxes.
    Lead in these materials can contaminate
    drinking water as
    a result of the corrosion that takes
    place when water comes into contact with those
    materials.
    Lead can cause a variety of adverse health
    effects in humans.
    At relatively low levels of
    exposure, these effects may include interference with
    red blood cell chemistry, delays in normal physical and
    mental development in babies and young children, slight
    deficits in the attention span,
    hearing, and learning
    abilities of children,
    and slight increases in the
    blood pressure of some adults.
    USEPA’s national
    primary drinking water regulation requires all public
    water systems to optimize corrosion control to minimize
    lead contamination resulting from the corrosion of
    plumbing materials.
    Public water systems serving
    50,000 people or fewer that have lead concentrations
    below 15 carts per billion
    (ppb)
    in more than 90
    of
    tap water samples
    (the USEPA “action level”) have
    optimized their corrosion control treatment.
    Any water
    system that exceeds the action level must also monitor
    01 39-033~4

    157
    14)
    15)
    Asbestos.
    The United States Environmental Protection
    Agency
    (USEPA)
    sets drinking water standards and has
    determined that asbestos fibers greater than
    10 micrometers in length are a health concern at
    certain levels of exposure.
    Asbestos is a naturally
    occurring mineral.
    Most asbestos fibers in drinking
    water are less than 10 micrometers in length and occur
    in drinking water from natural sources and from
    corroded asbestos—cement pipes in the distribution
    system.
    The major uses of asbestos were
    in the
    their source water to determine whether treatment to
    remove lead in source water is needed.
    Any water
    system that continues to exceed the action level after
    installation of corrosion control and/or source water
    treatment must eventually replace all lead service
    lines contributing in excess of 15 ppb of lead to
    drinking water.
    AnY water system that exceeds the
    action level must also undertake a public education
    program to inform consumers of ways they can reduce
    their exposure to potentially high levels of lead in
    drinking water.
    This subsection corresponds with 40 CFR 141.32(c) (14),
    reserved by UCEPA.
    This statement maintains structural
    consistency with UCEPA rulcs.Copper.
    The United States
    Environmental Protection Agency
    (USEPA)
    sets drinking
    water standards and has determined that copper is a
    health concern at certain exposure levels.
    Copper, a
    reddish-brown metal,
    is often used to plumb residential
    and commercial structures that are connected to water
    distribution systems.
    Co~~er
    contaminating drinking
    water as a corrosion by—product occurs as the result of
    the corrosion of copper pipes that remain in contact
    with water for a prolonged period of time.
    Co~~eris
    an essential nutrient, but at high doses it has been
    shown to cause stomach and intestinal distress, liver
    and kidney damage, and anemia.
    Persons with Wilson’s
    disease may be at a higher risk of health effects due
    to copper than the general public.
    USEPA’s national
    primary drinking water regulation requires all public
    water systems to install optimal corrosion control to
    minimize copper contamination resulting from the
    corrosion of plumbing materials.
    Public water systems
    serving 50,000 people or fewer that have copper
    concentrations below 1.3 parts per million (~~m)in
    more than 90
    of ta~water samples
    (the USEPA “action
    level”) are not required to install or improve their
    treatment.
    Any water system that exceeds the action
    level must also monitor their source water to determine
    whether treatment to remove copper in source water is
    needed.
    Ut ~3j-u335

    158
    16)
    production of cements, floor tiles, paper products,
    paint, and caulking; in transportation-related
    applications; and in the production of textiles and
    plastics.
    Asbestos was once a popular insulating and
    fire retardant material.
    Inhalation studies have shown
    that various forms of asbestos have produced lung
    tumors in laboratory animals.
    The available
    information on the risk of developing gastrointestinal
    tract cancer associated with the
    ingestion
    of asbestos
    from drinking water is limited.
    Ingestion of
    intermediate—range chrysolite asbestos fibers greater
    than 10 micrometers in length is associated with
    causing benign tumors in male rats.
    Chemicals that
    cause cancer in laboratory animals also may increase
    the risk of cancer in humans who are exposed over long
    periods of time.
    USEPA has set the drinking water
    standard for asbestos at 7 million long fibers per
    liter to reduce the potential risk of cancer or other
    adverse health effects which have been observed in
    laboratory animals.
    Drinking water which meets the
    USEPA standard is associated with little to none of
    this risk and should be considered safe with respect to
    asbestos.
    17)
    Cadmium.
    The United States Environmental Protection
    Agency
    (USEPA)
    sets drinking water standards and has
    determined that cadmium
    is a health concern at certain
    This subsection corresponds with 40
    CFfl 141.32(e) (16),
    reserved by UCEPA.
    This statement maintains structural
    consistency
    with
    UCEPA
    rulcs.Ba•rium.
    The
    United
    States
    Environmental
    Protection
    Agency
    (USEPA)
    sets
    drinking
    water standards and has determined that barium is a
    health concern at certain levels of exposure.
    This
    inorganic chemical occurs naturally in some aquifers
    that serve as sources of ground—water.
    It is also used
    in
    oil
    and
    gas
    drilling
    muds,
    automotive
    paints,
    bricks,
    tiles, and jet fuels.
    It generally gets into
    drinking water after dissolving from naturally
    occurring minerals in the ground.
    This chemical may
    damage the heart and vascular system, and is associated
    with high blood pressure in laboratory animals such as
    rats exposed to high levels during their lifetimes.
    In
    humans, USEPA believes that effects from barium on
    blood pressure should not occur below
    2 parts per
    million
    (ppm)
    in drinking water.
    USEPA has set the
    drinking water standard for barium at
    2 parts per
    million
    (ppm)
    to protect against the risk of these
    adverse health effects.
    Drinking water that meets the
    USEPA standard is associated with little to none of
    this risk and is considered safe with respect to
    barium.
    0139-0336

    159
    levels of exposure.
    Food and the smoking of tobacco
    are common sources of general exposure.
    This inorganic
    metal
    is a contaminant in the metals used to galvanize
    pipe.
    It generally gets into water by corrosion of
    galvanized pipes or by improper waste disposal.
    This
    chemical has been shown to damage the kidney in animals
    such as rats and mice when the animals are exposed at
    high levels over their lifetimes.
    Some industrial
    workers who were exposed to relatively large amounts of
    this chemical during working careers also suffered
    damage
    to
    the
    kidney.
    USEPA
    has
    set
    the
    drinking
    water
    standard for cadmium at 0.005 parts per million
    (ppm)
    to protect against the risk of these adverse health
    effects.
    Drinking water that meets the USEPA standard
    is
    associated
    with
    little
    to
    none
    of
    this risk and is
    considered safe with respect to cadmium.
    18)
    Chromium.
    The United States Environmental Protection
    Agency
    (USEPA)
    sets drinking water standards and has
    determined that chromium is a health concern at certain
    levels of exposure.
    This inorganic metal occurs
    naturally
    in
    the
    ground
    and
    is
    often
    used
    in
    the
    electroplating
    of
    metals.
    It
    generally
    gets
    into water
    from runoff from old mining operations and improper
    waste disposal from plating operations.
    This chemical
    has been shown to damage the kidney, nervous system,
    and the circulatory system of laboratory animals such
    as rats and mice when the animals are exposed at high
    levels.
    Some
    humans
    who
    were exposed to high levels of
    this chemical suffered liver and kidney damage,
    dermatitis and respiratory problems.
    USEPA has set the
    drinking water standard for chromium at 0.1 parts per
    million
    (ppm) to protect against the risk of these
    adverse health effects.
    Drinking water that meets the
    USEPA standard is associated with little to none of
    this risk and is considered safe with respect to
    chromium.
    19)
    Mercury.
    The United States Environmental Protection
    Agency
    (USEPA) sets drinking water standards and has
    determined that mercury is a health concern at certain
    levels of exposure.
    This inorganic metal is used in
    electrical equipment and some water pumps.
    It usually
    gets into water as a result of improper waste disposal.
    This chemical has been shown to damage the kidney of
    laboratory animals such as rats when the animals are
    exposed at high levels over their lifetimes.
    USEPA has
    set the drinking water standard for mercury at 0.002
    parts per million
    (ppm)
    to protect against the risk of
    these adverse health effects.
    Drinking water that
    meets the USEPA standard is associated with little to
    none of this risk and
    is considered safe with respect
    U 139-0337

    160
    to mercury.
    20)
    Nitrate.
    The United States Environmental Protection
    Agency
    (USEPA)
    sets drinking water standards and has
    determined that nitrate poses an acute health concern
    at certain levels of exposure.
    Nitrate is used in
    fertilizer and is found in sewage and wastes from human
    and/or farm animals and generally gets into drinking
    water from those activities.
    Excessive levels of
    nitrate in drinking water have caused serious illness
    and sometimes death in infants under six months of age.
    The
    serious
    illness
    in
    infants
    is
    caused
    because
    nitrate is converted to nitrite in the body.
    Nitrite
    interferes with the oxygen carrying capacity of the
    child’s blood. This is an acute disease in that
    symptoms can develop rapidly in infants.
    In most
    cases, health deteriorates over a period of days.
    Symptoms include shortness of breath and blueness of
    the skin.
    Clearly,
    expert medical advice should be
    sought immediately
    if
    these
    symptoms
    occur.
    The
    purpose of this notice
    is to encourage parents and
    other, responsible parties to provide infants with an
    alternate source of drinking water.
    Local and State
    health authorities are the best source for information
    concerning alternate sources of drinking water for
    infants. USEPA has set the drinking water standard at
    10 parts per million (ppm)
    for nitrate to protect
    against the risk of these adverse effects.
    USEPA has
    also set a drinking water standard for nitrite at 1
    ppm.
    To allow for the fact that the toxicity of
    nitrate and nitrite are additive.
    USEPA has also
    established a standard for the sum of nitrate and
    nitrite at 10 ppm.
    Drinking water that meets the USEPA
    standard
    is
    associated
    with
    little
    to none of this risk
    and is considered safe with respect to nitrate.
    21)
    Nitrite.
    The United States Environmental Protection
    Agency (USEPA) sets
    drinking
    water
    standards
    and
    has
    determined that nitrite poses an acute health concern
    at certain levels of exposure.
    This inorganic chemical
    is used in fertilizers and is found in sewage and
    wastes from humans and/or farm animals and generally
    gets into drinking water as a result of those
    activities.
    While excessive levels of nitrite in
    drinking water have not been observed, other sources of
    nitrite have caused serious illness and sometimes death
    in infants under six months of age.
    The serious
    illness
    in
    infants
    is
    caused
    because
    nitrite
    interferes
    with the oxygen carrying capacity of the child’s blood.
    This is an acute disease
    in that symptoms can develop
    rapidly.
    However,
    in most cases, health deteriorates
    over a period of days.
    Symptoms include shortness of
    a 133-0338

    161
    breath and blueness of the skin.
    Clearly, expert
    medical advice should be sought immediately if these
    symptoms occur.
    The purpose of this notice is to
    encourage
    parents
    and
    other
    responsible
    parties
    to
    provide infants with an alternate source of drinking
    water.
    Local
    and
    State
    health
    authorities
    are
    the
    best
    source for information concerning alternate sources of
    drinking water for infants.
    USEPA has set the drinking
    water standard at 1 part per million
    (ppm)
    for nitrite
    to protect against the risk of these adverse effects.
    USEPA has also set a drinking water standard for
    nitrate (converted to nitrite in humans) at 10 ppm and
    for the sum of nitrate and nitrite at 10 ppm.
    Drinking
    water that meets the USEPA standard
    is associated with
    little to none of this risk and is considered safe with
    respect to nitrite.
    22)
    Selenium.
    The United States Environmental Protection
    Agency
    (USEPA)
    sets drinking water standards and has
    determined that selenium is a health concern at certain
    high levels of exposure.
    Selenium is also an essential
    nutrient at low levels of exposure.
    This inorganic
    chemical is found naturally in food and soils and is
    used in electronics, photocopy operations,
    the
    manufacture of glass, chemicals,
    drugs, and as
    a
    fungicide and a feed additive.
    In humans, exposure to
    high levels of selenium over a long period of time has
    resulted in a number of adverse health effects,
    including a loss of feeling and control in the arms and
    legs.
    USEPA has set the drinking water standard for
    selenium
    at 0.05 parts per million
    (ppm) to protect
    against
    the
    risk
    of
    these adverse health effects.
    Drinking
    water
    that meets the USEPA standard is
    associated
    with
    little
    to
    none
    of
    this
    risk
    and
    is
    considered safe with respect to selenium.
    23)
    Acrylamide.
    The United States Environmental Protection
    Agency
    (USEPA) sets drinking water standards and has
    determined that acrylamide is a health concern at
    certain levels of exposure.
    Polymers made from
    acrylamide are sometimes used to treat water supplies
    to remove particulate contaminants.
    Acrylamide has
    been shown to cause cancer in laboratory animals such
    as rats and mice when the animals are exposed at high
    levels over their lifetimes.
    Chemicals that cause
    cancer in laboratory animals also may increase the risk
    of cancer in humans who are exposed over long periods
    of time.
    Sufficiently large doses of acrylamide are
    known to cause neurological injury.
    USEPA has set the
    drinking water standard for acrylamide using a
    treatment technique to reduce the risk of cancer or
    other adverse health effects which have been observed
    U j39-0339

    162
    in laboratory animals.
    This treatment technique limits
    the amount of acrylamide in the polymer and the amount
    of the polymer which may be added to drinking water to
    remove
    particulates.
    Drinking
    water
    systems
    which
    comply
    with
    this
    treatment
    technique
    have
    little
    to
    no
    risk and are considered safe with respect to
    acrylamide.
    24)
    Alachlor.
    The United States Environmental Protection
    Agency
    (USEPA)
    sets
    drinking
    water
    standards and has
    determined
    that
    alachlor
    is
    a
    health
    concern
    at
    certain
    levels of exposure.
    This organic chemical is a widely
    used pesticide.
    When soil and climatic conditions are
    favorable,
    alachlor may get into drinking water by
    runoff into surface water or by leaching into ground
    water.
    This chemical has been shown to cause cancer in
    laboratory animals such as rats and mice when the
    animals are exposed at high levels over their
    lifetimes.
    Chemicals that cause cancer in laboratory
    animals also may increase the risk of cancer in humans
    who are exposed over long periods of time.
    USEPA has
    set the drinking water standard
    for
    alachior
    at
    0.002
    parts per million
    (ppm) to reduce the risk of cancer or
    other adverse health effects which have been observed
    in
    laboratory
    animals.
    Drinking
    water
    that
    meets
    this
    standard is associated with little to none of this risk
    and is considered safe with respect to alachlor.
    25)
    This subsection corresponds with 40 CPu
    141.32(c) (25),
    reserved by UCEPA.
    This statement maintains structural
    consistency with UCEPA rulca.Aldicarb.
    The United
    States Environmental Protection Agency (USEPA)
    sets
    drinking water standards and has determined that
    aldicarb is a health concern at certain levels of
    exposure.
    Aldicarb is a widely used pesticide.
    Under
    certain soil and climatic conditions
    (e.g.,
    sandy soil
    and high rainfall). aldicarb may leach into groundwater
    after normal agricultural applications to crops such as
    potatoes or peanuts or may enter drinking water
    supplies
    as
    a
    result
    of
    surface runoff.
    This chemical
    has
    been
    shown
    to
    damage
    the
    nervous
    system
    in
    laboratory animals such as rats and dogs exposed to
    high levels. USEPA has set the drinking water standard
    for aldicarb at 0.003 carts per million
    (ppm) to
    reduce
    the risk of adverse health effects.
    Drinking water
    that meets this standard is associated with little to
    none of this risk and is considered safe with respect
    to aldicarb.
    26)
    This subsection corresponds with 40
    reserved by UCEPA.
    This statement
    CFB 141.32(0) (26),
    maintains structural
    consistcncy with UEEPA rulcs.Aldicarb sulfoxide.
    The
    01 39-03L~0

    163
    United States Environmental Protection Agency
    (USEPA)
    sets drinking water standards and has determined that
    aldicarb sulfoxide is a health concern at certain
    levels of exposure.
    Aldicarb is a widely used
    pesticide.
    Aldicarb sulfoxide in groundwater is
    primarily a breakdown product of aldicarb.
    Under
    certain soil and climatic conditions
    (e.g.. sandy soil
    and high rainfall). aldicarb sulfoxide may leach into
    ~roundwater after normal agricultural applications to
    crops such as Potatoes or Peanuts or may enter drinking
    water supplies as a result of surface runoff.
    This
    ~j~emicalhas been shown to damage the nervous system in
    laboratory animals such as rats and dogs exposed to
    high levels. USEPA has set the drinking water standard
    for aldjcarb sulfoxide at 0.004 carts per million (~~m)
    to reduce the risk of adverse health effects.
    Drinking
    water that meets this standard is associated with
    little to none of this risk and is considered safe with
    respect to aldicarb sulfoxide.
    27)
    This subsection corresponds with 40
    cm
    141.32(c) (27),
    roocrvcd by UCEP2~.
    This statement naintains structural
    consistency with USEPA
    rulco.Aldicarb
    sulf one.
    The
    United States Environmental Protection Agency
    (USEPA)
    sets drinking water standards and has determined that
    pldicarb
    sulfone
    is
    p
    health
    concern
    at
    certain
    levels
    of
    exposure.
    Aldicarb
    is
    a
    widely
    used
    pesticide.
    Aldicarb sulfone in groundwater is primarily a
    breakdown Product of aldicarb.
    Under certain soil and
    climatic conditions
    (e.g.,
    sandy soil and high
    rainfall), aldicarb sulfone maY leach into groundwater
    after normal agricultural a~~licationsto croPs such as
    potatoes or peanuts or may enter drinking water
    supplies as
    a result of surface runoff.
    This chemical
    has_been shown to dama~ethe nervous system in
    laboratory animals such as rats and dogs exposed to
    high levels. USEPA has set the drinking water standard
    for aldicarb sulfone at 0.004 Parts ~er million (~~m)
    to reduce the risk of adverse health effects.
    Drinking
    water that meets this standard is associated with
    little to none of this risk and is considered safe with
    respect to aldicarb sulfone.
    28)
    Atrazine.
    The United States Environmental Protection
    Agency
    (USEPA)
    sets drinking water standards and has
    determined that atrazine is a health concern at. certain
    levels of exposure.
    This organic chemical is a
    herbicide.
    When soil and climatic conditions are
    favorable,
    atrazine may get into drinking water by
    runoff into surface water or by leaching into ground
    water.
    This chemical has been shown to affect
    offspring of rats and the heart of dogs.
    USEPA has set
    01 39-O3~
    I

    164
    the drinking water standard for atrazine at 0.003 parts
    per million
    (ppm)
    to protect against the risk of these
    adverse health effects.
    Drinking water that meets the
    USEPA standard is associated with little to none of
    this risk and is considered safe with respect to
    atrazme.
    29)
    Carbofuran.
    The United States Environmental Protection
    Agency (USEPA)
    sets drinking water standards and has
    determined that carbofuran is a health concern at
    certain levels of exposure.
    This organic chemical
    is a
    pesticide.
    When soil and climatic conditions are
    favorable, carbofuran may get into drinking water by
    runoff into surface water or by leaching into ground
    water.
    This chemical has been shown to damage the
    nervous and reproductive systems of laboratory animals
    such as rats and mice exposed at high levels over their
    lifetimes.
    Some humans who were exposed to relatively
    large amounts of this chemical during their working
    careers also suffered damage to the nervous system.
    Effects on the nervous system are generally rapidly
    reversible.
    USEPA has set the drinking water standard
    for carbofuran at 0.04 parts per million
    (ppm)
    to
    protect against the risk of these adverse health
    effects.
    Drinking water that meets the USEPA standard
    is associated with little to none of this risk and is
    considered safe with respect to carbofuran.
    30)
    Chlordane.
    The United States Environmental Protection
    Agency
    (USEPA)
    sets drinking water standards and has
    determined that chlordane is a health concern at
    certain levels of exposure.
    This organic chemical is a
    pesticide used to control termites.
    Chlordane is not
    very mobile in soils.
    It usually gets into drinking
    water after application near water supply intakes or
    wells.
    This chemical has been shown to cause cancer in
    laboratory animals such as rats and mice when the
    animals are exposed at high levels over their
    lifetimes.
    Chemicals that cause cancer in laboratory
    animals also may increase the risk of cancer in humans
    who are exposed over long periods of time.
    USEPA has
    set the drinking water standard for chlordane at 0.002
    parts per million
    (ppm)
    to reduce the risk of cancer or
    other adverse health effects which have been observed
    in laboratory animals. Drinking water that meets the
    USEPA standard is associated with little to none of
    this risk and is considered safe with respect to
    chlordane.
    31)
    Dibromochloropropane
    (DBCP).
    The United States
    Environmental Protection Agency
    (USEPA)
    sets drinking
    water standards and has determined that DBCP is
    a
    01 39-03ie2

    165
    health concern at certain levels of exposure.
    This
    organic chemical was once
    a popular pesticide.
    When
    soil and climatic conditions are favorable,
    DBCP may
    get into drinking water by runoff into surface water or
    by leaching into ground—water.
    This chemical has been
    shown to cause cancer in laboratory animals such as
    rats and mice when the animals are exposed at high
    levels over their lifetimes.
    Chemicals that cause
    cancer in laboratory animals also may increase the risk
    of cancer in humans who are exposed over long periods
    of time.
    USEPA has set the drinking water standard for
    DBCP at 0.0002 parts per million
    (ppm) to reduce the
    risk of cancer or other adverse health effects which
    have been observed in laboratory animals.
    Drinking
    water that meets the USEPA standard is associated with
    little to none of this risk and is considered safe with
    respect to DBCP.
    32)
    o-Dichlorobenzene.
    The United States Environmental
    Protection Agency
    (USEPA)
    sets drinking water standards
    and has determined that o-dichlorobenzene is a health
    concern at certain levels of exposure.
    This organic
    chemical is used as a solvent in the production of
    pesticides and dyes.
    It generally gets into water by
    improper waste disposal.
    This chemical has been shown
    to damage the liver, kidney and the blood cells of
    laboratory animals such as rats and mice exposed to
    high levels during their lifetimes.
    Some industrial
    workers
    who
    were
    exposed
    to
    relatively
    large
    amounts
    of
    this chemical during working careers also suffered
    damage
    to
    the
    liver,
    nervous system, and circulatory
    system.
    USEPA has set the drinking water standard for
    o-dichlorobenzene at 0.6 parts per million
    (ppm)
    to
    protect against the risk of these adverse health
    effects.
    Drinking water that meets the USEPA standard
    is associated with little to none of this risk and is
    considered safe with respect to o—dichlorobenzene.
    33)
    cis-1,2-Dichloroethylene.
    The United States
    Environmental Protection Agency
    (USEPA) establishes
    drinking water standards and has determined that
    cis—1,2—dichloroethylene is a health concern at certain
    levels of exposure.
    This organic chemical is used as a
    solvent and intermediate in chemical production.
    It
    generally gets into water by improper waste disposal.
    This chemical has been shown to damage the liver,
    nervous system, and circulatory system of laboratory
    animals such as rats and~micewhen exposed at high
    levels over their lifetimes.
    Some humans who were
    exposed to relatively large amounts of this chemical
    also suffered damage to the nervous system.
    USEPA has
    set the drinking water standard for cis—1,2-dichloro-
    Ut 39-03L43

    166
    ethylene at 0.07 parts per million (ppm)
    to protect
    against the risk of these adverse health effects.
    Drinking water that meets the USEPA standard is
    associated with little to none of this risk and is
    considered safe with respect to
    cis-1, 2-dichloroethylene.
    34)
    trans-1,2—Dichloroethylene.
    The United States
    Environmental Protection Agency
    (USEPA) establishes
    drinking water standards and has determined that
    trans—1,2—dichloroethylene
    is a health concern at
    certain levels of exposure. This organic chemical is
    used as a solvent and intermediate in chemical
    production.
    It generally gets into water by improper
    waste disposal.
    This chemical has been shown to damage
    the liver,
    nervous system, and the circulatory system
    of laboratory animals such as rats and mice when
    exposed at high levels over their lifetimes.
    Some
    humans who were exposed to relatively large amounts of
    this chemical also suffered damage to the nervous
    system.
    USEPA has set the drinking water standard for
    trans-1,2—dichloroethylene at 0.1 parts per million
    (ppm)
    to protect against the risk of these adverse
    health effects.
    Drinking water that meets the USEPA
    standard is associated with little to none of this risk
    and is considered safe with respect to
    trans-1,2-dichloroethylene.
    35)
    1,2-Dichloropropane.
    The United States Environmental
    Protection Agency
    (USEPA) sets drinking water standards
    and
    has
    determined
    that 1,2-dichloropropane is a health
    concern
    at
    certain
    levels
    of
    exposure.
    This
    organic
    chemical’ is used as a solvent and pesticide.
    When soil
    and climatic conditions are favorable,
    1,2—
    dichioropropane may get into drinking water by runoff
    into surface water or by leaching into ground—water.
    It may also get into drinking water through improper
    waste disposal.
    This chemical has been shown to cause
    cancer in laboratory animals such as rats and mice when
    the animals are exposed at high levels over their
    lifetimes.
    Chemicals that cause cancer in laboratory
    animals also may increase the risk of cancer in
    humans
    who are exposed over long periods of time.
    USEPA has
    set the drinking water standard for 1,2-dichioropropane
    at 0.005 parts per million
    (ppm) to reduce the risk of
    cancer or other adverse health effects which have been
    observed in laboratory animals.
    Drinking water that
    meets the USEPA standard is associated with little to
    none of this risk and is considered safe with respect
    to 1, 2-dichloropropane.
    36)
    2,4—D.
    This contaminant
    is subject to a “additional
    0

    167
    State requirement”.
    The supplier shall give the
    following notice if the level exceeds the Section
    611.311 MCL.
    If the level exceeds the Section 611.310
    MCL, but not that of Section 611.311, the supplier
    shall give a general notice under Section 611.854.
    The United States Environmental Protection Agency
    (USEPA) sets drinking water standards and has
    determined that 2,4—D is
    a health concern at certain
    levels of exposure.
    This organic chemical is used as a
    herbicide and to control algae in reservoirs.
    When
    soil and climatic conditions are favorable,
    2,4—D may
    get into drinking water by runoff into surface water or
    by leaching into ground—water.
    This chemical has been
    shown to damage the liver and kidney of laboratory
    animals such as rats exposed at high levels during
    their lifetimes.
    Some humans who were exposed to
    relatively large amounts of this chemical also suffered
    damage to the nervous system.
    USEPA has set the
    drinking water standard for 2,4-D at 0.07 parts per
    million
    (ppm) to protect against the risk of these
    adverse health effects.
    Drinking water that meets the
    USEPA standard is associated with little to none of
    this risk and is considered safe with respect to 2,4—D.
    37)
    Epichlorohydrin.
    The United States Environmental
    Protection
    Agency
    (TJSEPA)
    sets
    drinking water standards
    and has determined that epichiorohydrin is a health
    concern
    at
    certain
    levels
    of exposure.
    Polymers made
    from
    epichlorohydrin
    are sometimes used in the
    treatment of water supplies as a flocculent to remove
    particulates.
    Epichiorohydrin generally gets into
    drinking water by improper use of these polymers.
    This
    chemical has been shown to cause cancer in laboratory
    animals such as rats and mice when the anima’ls are
    exposed at high levels over their lifetimes.
    Chemicals
    that cause cancer in laboratory animals also may
    increase the risk of cancer in humans who are exposed
    over long periods of time.
    USEPA has set’the drinking
    water standard for epichlorohydrin using a treatment
    technique
    to
    reduce
    the risk of cancer or other adverse
    health
    effects
    which
    have
    been
    observed
    in
    laboratory
    animals.
    This treatment technique limits the amount of
    epichlorohydrin in the polymer and the amount of the
    polymer which may be added to drinking water as a
    flocculent
    to
    remove
    particulates.
    Drinking
    water
    systems which comply with this treatment technique have
    little to no risk and are considered safe with respect
    to epichlorohydrin.
    38)
    Ethylbenzene.
    The United States Environmental
    Protection Agency
    (USEPA)
    sets drinking water standards
    o
    I :39-03~5

    168
    and has determined ethylbenzene is a health concern at
    certain levels of exposure.
    This organic chemical is a
    major component of gasoline.
    It generally gets into
    water by improper waste disposal or leaking gasoline
    tanks.
    This chemical has been shown to damage the
    kidney,
    liver, and nervous system of laboratory animals
    such as rats exposed to high levels during their
    lifetimes.
    USEPA has set the drinking water standard
    for ethylbenzene at 0.7 parts per million
    (ppm)
    to
    protect against the risk of these adverse health
    effects.
    Drinking water that meets the USEPA standard
    is associated with little to none of this risk and is
    considered safe with respect to ethylbenzene.
    39)
    Ethylene dibromide (EDB).
    The United States
    Environmental Protection Agency
    (USEPA)
    sets drinking
    water standards and has determined that EDB is a health
    concern at certain levels of exposure.
    This organic
    chemical was once a popular pesticide.
    When soil and
    climatic conditions are favorable, EDB may get into
    drinking water by runoff into surface water or by
    leaching into ground—water.
    This chemical has been
    shown to cause cancer in laboratory animals such as
    rats and mice when the animals are exposed at high
    levels over their lifetimes.
    Chemicals that cause
    cancer in laboratory animals also may increase the risk
    of cancer in humans who are exposed over long periods
    of time.
    USEPA has set the drinking water standard for
    EDB at 0.00005 parts per million
    (ppm) to reduce the
    risk
    of
    cancer
    or
    other
    adverse health effects which
    have been observed in laboratory animals.
    Drinking
    water that meets this standard
    is
    associated
    with
    little to none of this risk and is considered safe with
    respect to EDB.
    40)
    Heptachlor.
    This contaminant is subject to a
    “additional State requirement”.
    The supplier shall
    give the following notice if the level exceeds the
    Section 611.311 MCL.
    If the level exceeds the Section
    611.310 MCL, but not that of Section 611.311, the
    supplier shall give a general notice under Section
    611.854.
    The United States Environmental Protection Agency
    (USEPA) sets drinking water standards and has
    determined that heptachlor is a health concern at
    certain levels of exposure.
    This organic chemical was
    once a popular pesticide.
    When soil and climatic
    conditions are favorable,
    heptachior may get into
    drinking water by runoff into surface water or by
    leaching into ground—water.
    This chemical has been
    shown to cause cancer
    in laboratory animals such as
    01
    39-03t~6

    169
    rats and mice when the animals are exposed at high
    levels over their
    lifetimes. Chemicals that cause
    cancer in laboratory animals also may increase the risk
    of cancer in humans who are exposed over long periods
    of time.
    USEPA has set the drinking water standards
    for heptachlor at 0.0004 parts per million
    (ppm) to
    reduce the risk of cancer or other adverse health
    effects which have been observed in laboratory animals.
    Drinking water that meets this standard is associated
    with little to none of this risk and
    is considered safe
    with respect to heptachlor.
    41)
    Heptachlor epoxide.
    This contaminant is subject to a
    “additional State requirement”.
    The supplier shall
    give the following notice if the level exceeds the
    Section 611.311 MCL.
    If the level exceeds the Section
    611.310 MCL, but not that of Section 611.311, the
    supplier shall give a general notice under Section
    611.854.
    The United States Environmental Protection Agency
    (USEPA) sets drinking
    water
    standards
    and has
    determined that heptachlor epoxide is a health concern
    at certain levels of exposure.
    This organic chemical
    was once a popular pesticide.
    When soil and climatic
    conditions are favorable, heptachlor epoxide may get
    into drinking water by runoff into surface water or by
    leaching into ground—water.
    This chemical has been
    shown to cause cancer in laboratory animals such as
    rats and mice when the animals are exposed at high
    levels over their lifetimes.
    Chemicals that cause
    cancer in laboratory animals also may increase the risk
    of cancer in humans who are exposed over long periods
    of time.
    USEPA has set the drinking water standards
    for heptachlor epoxide at 0.0002 parts per million
    (ppm)
    to reduce the risk of cancer or other adverse
    health effects which have been observed in laboratory
    animals.
    Drinking water that meets this standard is
    associated with little to none of this risk and is
    considered safe with respect to heptachlor epoxide.
    42)
    Lindane.
    The United States Environmental Protection
    Agency
    (USEPA)
    sets drinking water standards and has
    determined that lindane is a health concern at certain
    levels of exposure.
    This organic chemical is used as a
    pesticide.
    When soil and climatic conditions are
    favorable,
    lindane may get into drinking water by
    runoff into surface water or by leaching into ground
    water.
    This chemical has been shown to damage the
    liver, kidney,
    nervous system, and immune system of
    laboratory animals such as rats, mice and dogs exposed
    at high levels during their lifetimes.
    Some humans who
    01
    39-Q3I4~7

    170
    were exposed to relatively large amounts of this
    chemical also suffered damage to the nervous system and
    circulatory system.
    USEPA has established the drinking
    water standard .for lindane at 0.0002 parts per million
    (ppm)
    to protect against the risk of these adverse
    health effects.
    Drinking water that meets the USEPA
    standard is associated with little to none of this risk
    and is considered safe with respect to lindane.
    43)
    Methoxychlor.
    The United States Environmental
    Protection Agency
    (USEPA)
    sets drinking water standards
    and has determined that methoxychlor is a health
    concern at certain levels of exposure.
    This organic
    chemical is used as a pesticide.
    When soil and
    climatic conditions are favorable,
    methoxychlor may get
    into drinking water by runoff into surface water or by
    leaching into ground—water.
    This chemical has been
    shown to damage the liver, kidney, nervous system, and
    reproductive system of laboratory animals such as rats
    exposed at high levels during their lifetimes.
    It has
    also been shown to produce growth retardation in rats.
    USEPA has set the drinking water standard for
    methoxychlor at 0.04 parts per million
    (ppm) to protect
    against the risk of these adverse health effects.
    Drinking water that meets the USEPA standard is
    associated with little to none of this risk and is
    considered safe with respect to methoxychlor.
    44)
    Monochlorobenzene.
    The United States Environmental
    Protection Agency
    (USEPA) sets drinking water standards
    and has determined that monochlorobenzene is a health
    concern at certain levels of exposure.
    This organic
    chemical is used as a solvent.
    It generally gets into
    water by improper waste disposal.
    This chemical has
    been shown to damage the liver, kidney and nervous
    system of laboratory animals such as rats and mice
    exposed to high levels during their lifetimes.
    USEPA
    has set the drinking water standard for
    monochlorobenzene at 0.1 parts per million
    (ppm)
    to
    protect against the risk of these adverse health
    effects.
    Drinking water that meets the USEPA standard
    is associated with little to none of this risk and is
    considered safe with respect to monochlorobenzene.
    45)
    Polychlorinated biphenyls
    (PCB5).
    The United States
    Environmental Protection Agency
    (USEPA) sets drinking
    water standards and has determined that polychlorinated
    biphenyls (PCB5)
    are a health concern at certain levels
    of exposure.
    These organic chemicals were once widely
    used in electrical transformers and other industrial
    equipment.
    They generally get into drinking water by
    improper waste disposal or leaking electrical
    01 39-83~8

    171
    industrial equipment.
    This chemical has been shown to
    cause cancer
    in laboratory animals such as rats and
    mice when the animals are exposed at high levels over
    their lifetimes. _Chemicals that cause cancer in
    laboratory animals also may increase the risk of cancer
    in humans who are exposed over long periods of time.
    USEPA has set the drinking water standard for PCBs at
    0.0005 parts per million
    (ppm) to reduce the risk of
    cancer or other adverse health effects which have been
    observed in laboratory animals.
    Drinking water that
    meets this standard is associated with little to none
    of this risk and is considered safe with respect to
    PCB5.
    46)
    This subsection corresponds with 40 CFR 141.32(c) (46),
    reserved by UCEPA.
    This statement
    maintains
    structural
    consistency with UCEPA rulco.Pentachlorophenol.
    The
    United States Environmental Protection Agency
    (USEPA)
    sets drinking water standards and has determined that
    pentachlorophenol is a health concern at certain levels
    of exposure.
    This organic chemical is widely used as a
    wood preservative, herbicide,
    disinfectant, and
    defoliant.
    It generally nets into ~‘drinkinqwater by
    runoff into surface watei
    or leaching into groundwater.
    This chemical has been s1~ownto produce adverse
    reproductive effects and~todamaae the liver and
    kidneys of laboratory animals such as rats and mice
    when the animals are exposed at high levels over their
    lifetimes.
    Some humans who were exposed to relatively
    1ar~eamounts of this chemical also suffered damage to
    the liver and kidneys.
    This chemical has been shown to
    cause cancer in laboratory animals such as rats and
    mice when the animals are exposed at high levels over
    their lifetimes.
    Chemicals that cause cancer in
    laboratory animals also may increase the risk of cancer
    in humans who are exposed over long periods of time.
    USEPA has set the drinking water standard for ~enta-
    chiorophenol at 0.001 Parts per million (~~m)to reduce
    the risk of adverse health effects.
    Drinking water
    that meets this standard is associated with little to
    none of this risk and isjconsidered safe with respect
    to pentachiorophenol.
    47)
    Styrene.
    The United States Environmental Protection
    Agency
    (USEPA)
    sets drinking water standards and has
    determined that styrene is a health concern at certain
    levels of exposure.
    This organic chemical
    is commonly
    used to make plastics and is sometimes a component of
    resins used for drinking water treatment.
    Styrene may
    get into drinking water from improper waste disposal.
    This chemical’ has been shown to damage the liver and
    nervous system in
    laboratory animals when exposed at
    01 ~-O3~9

    172
    high levels during their lifetimes.
    USEPA has set the
    drinking water standard for styrene at 0.1 parts per
    million
    (ppm) to protect against the risk of these
    adverse health effects. Drinking water that meets the
    USEPA standard is associated with little to none of
    this risk and
    is considered safe with respect to
    styrene.
    48)
    Tetrachloroethylene.
    The United States Environmental
    Protection Agency
    (USEPA)
    sets drinking water standards
    and has determined that tetrachloroethylene is a health
    concern at certain levels of exposure.
    This organic
    chemical has been a popular solvent, particularly for
    dry cleaning.
    It generally gets into drinking water by
    improper waste disposal.
    This chemical has been shown
    to cause cancer in laboratory animals such as rats and
    mice when the animals are exposed at high levels over
    their lifetimes. Chemicals that cause cancer in
    laboratory animals also may increase the risk of cancer
    in humans who are exposed over long periods of time.
    USEPA has set the drinking water standard for
    tetrachloroethylene at 0.005 parts per million
    (ppm)
    to
    reduce the risk of cancer or other adverse health
    effects which have been observed in laboratory animals.
    Drinking water that meets this standard is associated
    with little to none of this risk and is considered safe
    with respect to tetrachloroethylene.
    49)
    Toluene.
    The United States Environmental Protection
    Agency
    (USEPA)
    sets drinking water standards and has
    determined that toluene is
    a
    health
    concern
    at
    certain
    levels of exposure.
    This organic chemical is used as a
    solvent and in the manufacture of gasoline for
    airplanes.
    It generally gets into water by improper
    waste disposal or leaking underground storage tanks.
    This chemical has been shown to damage the kidney,
    nervous system, and circulatory system of laboratory
    animals such as rats and mice exposed to high levels
    during their lifetimes.
    Some industrial workers who
    were exposed to relatively large amounts of this
    chemical during working careers also suffered damage to
    the liver, kidney and nervous system.
    USEPA has set
    the drinking water standard for .toluene at 1 part per
    million
    (ppm)
    to protect against the risk of these
    adverse health effects.
    Drinking water that meets the
    USEPA standard is associated with little to none of
    this risk and is considered safe with respect to
    toluene.
    50)
    Toxaphene.
    The United States Environmental Protection
    hgency
    (USEPA)
    sets drinking water standards and has
    determined that toxaphene is
    a health concern at
    Ot
    3~-0350

    173
    certain levels of exposure.
    This organic chemical was
    once a pesticide widely used on cotton,
    corn,
    soybeans,
    pineapples and other crops.
    When soil and climatic
    conditions are favorable, toxaphene may get into
    drinking water by runoff into surface water or by
    leaching into ground—water.
    This chemical has been
    shown to cause cancer in laboratory animals such as
    rats and mice when the animals are exposed at high
    levels over their lifetimes. Chemicals that cause
    cancer in laboratory animals also may increase the risk
    of
    cancer
    in humans who are exposed over long periods
    of time.
    USEPA has set t~hedrinking water standard for
    toxaphene at 0.003 parts per million
    (ppm)
    to reduce
    the risk of cancer or o
    er adverse health effects
    which have been observe
    in laboratory animals.
    Drinking water that mee
    this standard is associated
    with little to none of
    is risk and is considered safe
    with respect to toxaphe
    51)
    2,4,5-TP.
    The United Sttes Environmental Protection
    Agency
    (USEPA) sets drinking water standards and has
    determined
    that
    2,4,5-TP
    is
    a
    health
    concern
    at
    certain
    levels of exposure.
    This
    organic
    chemical is used as a
    herbicide.
    When soil and climatic conditions are
    favorable,
    2,4,5-TP may get into drinking water by
    runoff into surface water or by leaching into
    groundwater.
    This chemical has been shown to damage
    the liver and kidney of laboratory animals such as rats
    and dogs exposed to high levels during their lifetimes.
    Some industrial workers who were exposed to relatively
    large amounts of this chemical during working careers
    also suffered damage to the nervous system.
    USEPA has
    set the drinking water standard for 2,4,5-TP at 0.05
    parts per million
    (ppm)
    to protect against the risk of
    these adverse health effects. Drinking water that meets
    the USEPA standard is associated with little to none of
    this risk and is considered safe with respect to
    2,4,5—TP.
    52)
    Xylenes.
    The United States Environmental Protection
    Agency
    (USEPA) sets drinking water standards and has
    determined that xylene
    is a health concern at certain
    levels of exposure.
    This organic chemical is used in
    the manufacture of gasoline for airplanes and as a
    solvent for pesticides,
    and as a cleaner and degreaser
    of metals.
    It usually gets into water by improper waste
    disposal. This chemical has been shown to damage the
    liver, kidney and nervous system of laboratory animals
    such as rats and dogs exposed to high levels during
    their lifetimes.
    Some humans who were exposed to
    relatively large amounts of this chemical also suffered
    damage to the nervous system.
    USEPA has set the
    0139-0351

    174
    drinking water standard for xylene at
    10 parts per
    million
    (ppm) to protect against the risk of these
    adverse health effects.
    Drinking water that meets the
    USEPA standard is associated with little to none of
    this risk and is considered safe with respect to
    xylene.
    BOARD NOTE:
    Derived from 40 CFR 141.32(e)
    (1994~Z).
    (Source:
    Amended at 16 Ill. Reg.
    ,
    effective
    __________
    Section 611.Appendix E
    Mandatory Lead Public Education
    Information
    fl.
    INTRODUCTION
    The United States Environmental Protection A~encv (EPA)
    and
    insert
    name of water supplier 1 are concerned about lead in your
    drinking
    water.
    Although
    most homes have verY low levels of lead
    in their drinking water, some homes
    in the community have lead
    levels
    above
    the
    EPA
    action level of
    15 Parts ~er billion (~pb),
    or 0.015 milligrams of lead ~er liter of water
    (mci/L~.
    Under
    Federal law we are required to have a program in place to
    minimize lead in your drinking water by linsert date when
    corrosion control will be completed for your system.
    This
    program includes corrosion control treatment.
    source water
    treatment, and public education.
    We are also required to replace
    each lead service line that we control
    if the line contributes
    lead concentrations of more than 15 ~pb after we have completed
    the comprehensive treatment program.
    If you have any auestions
    about how, we are carrying out the reguirements of the lead
    regulation please give us a call at
    Finsert water system’s phone
    numberl.
    This brochure explains the simple steps you can take to
    protect you and your family by reducing your exposure to lead in
    drinking water.
    21.
    HEALTH EFFECTS OF LEAD
    Lead is
    a common metal found throughout the environment in lead-
    based paint,
    air, soil,
    household dust.
    food.
    certain tv~esof
    pottery porcelain and pewter, and water.
    Lead can pose a
    significant risk to your health if too much of it enters your
    body.
    Lead builds up in the body over many years and can cause
    dama~eto the brain,
    red blood cells and kidneys.
    The greatest
    risk_is_to young children and pregnant women.
    Amounts of lead
    that won’t hurt adults can slow down normal mental and physical
    development of growing bodies.
    In addition,
    a child at play
    often comes into contact with sources of lead contamination
    -—
    like dirt and dust
    --
    that rarely affect an adult.
    It is
    important to wash children’s hands and toys often, and to try to
    make sure they only put food
    in their mouths.
    013E1
    0352

    175
    LEAD IN DRINKING WATER
    ~j
    Lead in drinking water, althou~hrarely the sole cause
    of lead poisoning, can significantly increase a
    person’s total lead exposure. particularly the exposure
    of infants who drink baby formulas and concentrated
    luices that are mixed with water.
    The EPA estimates
    that drinking water can make up 20 Percent or more of a
    person’s total exposure to lead.
    ~j-
    Lead is unusual amon~drinking water contaminants in
    that it seldom occurs naturally j~water supplies like
    rivers and lakes.
    Lead enters drinking water primarily
    as
    a result of the corrosion, or wearing away~of
    materials containing lead in the water distribution
    system and household plumbing.
    These materials include
    lead—based solder used to loin copper pipe, brass and
    chrome plated brass faucets, and in some cases. pipes
    made of lead that connect your house to the water main
    (service lines).
    In 1986. Congress banned the use of
    lead solder containing ~eater
    than 0.2
    lead,
    and
    restricted the lead content of faucets.
    pipes and other
    Plumbing materials to 8.0.
    ~
    When water stands in
    leaçl Pipes or plumbing systems
    containing lead for sevetal hours or more, the lead may
    dissolve into Your drinking water. This means the first
    water drawn from the tap in the morning, or later in
    the afternoon after returning from work or school, can
    contain fairly high leve4s of lead.
    j)
    STEPS YOU
    CAN
    TAKE IN THE HOME TO REDUCE EXPOSURE TO LEAD IN
    DRINKING WATER
    ~
    Despite our best efforts mentioned earlier to control
    water corrosivity and remove lead from the water
    supply,
    lead levels in some homes
    or buildings can be
    high.
    To find out whether you need to take action in
    your own home, have your drinking water tested to
    determine if it contains excessive concentrations of
    lead.__Testing the water is essential because you
    cannot see,
    taste, or smell lead in drinking water.
    Some local laboratories that can provide this service
    are listed at the end of this booklet.
    For more
    information on having your water tested, please call
    Iinsert Phone number of water system.
    ~j
    If
    a water test indicates that the drinking water drawn
    from a tap in your home contains lead above
    15 ppb,
    then you should take the following precautions:
    ~jj
    Let the water run from the tap before using
    it for
    013SU353

    176
    drinking or cooking any time the water in a faucet
    has gone unused for more than six hours.
    The
    longer water resides in your home’s plumbing the
    more lead
    it may contain.
    Flushing the ta~means
    running the cold water faucet until the water gets
    noticeably colder, usually about 15—30 seconds.
    If your house has a lead service line to the water
    main,
    you may have to flush the water for
    a longer
    time, perhaps one minute, before drinking.
    Although toilet flushing or showering flushes
    water through a portion of your home’s plumbing
    system, you still need to flush the water in each
    faucet_before using it for drinking or cooking.
    Flushing tap water is a simple and inexpensive
    measure you can take to protect your family’s
    health.
    It usually uses less than one or two
    gallons of water and costs less than
    Iinsert a
    cost estimate based on flushing two times a day
    for 30 daysi per month.
    To conserve water,
    fill a
    couple of bottles for drinking water after
    flushing the tap,
    and whenever possible use the
    first flush water to wash the dishes or water the
    plants.
    If you live in a high—rise building,
    letting the water flow before using it may not
    work to lessen your risk from lead.
    The plumbing
    systems have more, and sometimes lar~erpipes than
    smaller buildings.
    Ask your landlord for help in
    locating the source of the lead and for advice on
    reducing the lead level.
    jj).
    Try not to cook with,
    or drink water from the hot
    water tap.
    Hot water can dissolve more lead more
    guickly than cold water.
    If you need hot water.
    draw water from the cold tap and heat it on the
    stove.
    iii) Remove loose lead solder and debris from the
    plumbing materials installed in newly constructed
    homes,
    or homes
    in which the plumbing has recently
    been replaced, by removing the faucet strainers
    from all taps and running the water from 3 to 5
    minutes.
    Thereafter, periodically remove the
    strainers and flush out any. debris that has
    accumulated over time.
    jyj
    If your copper pipes are joined with lead solder
    that has been insta4.led illegally since
    it was
    banned in 1986,
    notj.fy the plumber who did the
    work and request that he or she replace the lead
    solder with lead—free solder.
    Lead solder looks
    dull gray, and when scratched with a key looks
    shiny.
    In addition, notify your State
    linsert
    0
    139-U35~

    177
    name of department responsible for enforcing the
    Safe Drinking Water Act in your State
    about the
    violation.
    yl
    Determine whether or not the service line that
    connects your home or apartment to the water main
    is made of
    lead.
    The best waY to determine if
    your service line is made of lead is by either
    hiring a licensed ~1umber to inspect the line or
    by contacting the plumbing contractor who
    installed the line.
    You can identify the plumbing
    contractor by
    checking
    the
    city’s
    record
    of
    building permits which should be maintained in the
    files_of the
    Iinsert name of department that
    issues building permitsi.
    A licensed plumber can
    at the same time check to see if your homes’s
    plumbing contains lead solder. lead Pipes. or pipe
    fittings that contain lead.
    The public water
    system that delivers water to your home should
    also maintain records of the materials located in
    the distribution system.
    If the service line that
    connects your dwelling to the water main
    contributes more than 15 ppb to drinking water,
    after
    our
    comprehensive
    treatment
    program
    is
    in
    place, we are reauired to replace the line.
    If
    the line is only partially controlled by the
    Sinsert name of the
    city., county, or water system
    that controls the linel, we are reauired to
    provide you with information on how to replace
    Your portion of the service line, and offer to
    rePlace that portion of the line at your expense
    and take a follow-up ta~water samPle within 14
    days
    of
    the
    replacement.
    Acceptable
    replacement
    alternatives inc1ud~copper. steel,
    iron, and
    plastic pipes.
    yfl
    Have an electrician check your wiring.
    If
    grounding wires from the electrical system are
    attached to your pipes, corrosion may be greater.
    Check_with a licensed electrician or your local
    electrical code to determine if your wiring can be
    grounded elsewhere.
    DO NOT attempt to change the
    wiring yourself because jm~ropergrounding can
    cause electrical shock and fire hazards.
    ~j
    The steps described above will reduce the lead
    concentrations in your drinking water.
    However,
    if a
    water test indicates that the drinking water coming
    from your tap contains lead concentrations in excess of
    15 ~pb after flushing.
    or after we have completed our
    actions to minimize lead levels, then you may want to
    take the following additional measures:
    at
    39-0355

    178
    ii.
    Purchase or lease a home treatment device.
    Home
    treatment devices are limited in that each unit
    treats only the water that flows from the faucet
    to which it
    is connected,
    and all of the devices
    require periodic maintenance and replacement.
    Devices such as reverse osmosis systems or
    distillers can effectively remove lead from your
    drinking water.
    Some activated carbon filters may
    reduce_lead levels at the tap, however all lead
    reduction claims should be investigated.
    Be sure
    to check the actual performance of
    a
    specific
    home
    treatment device before and after installing the
    unit.
    jjj
    Purchase bottled water for drinking and cooking.
    pj
    You can consult a variety of sources for additional
    information.
    Your family doctor or pediatrician can
    perform
    a
    blood
    test
    for
    lead
    and provide you with
    information about the health effects of lead.
    State
    and local ~overnment agencies that can be contacted
    include:
    il
    insert
    the name of city or county department of
    public utilitiesi at
    f insert Phone number
    can
    provide you with
    information
    about your
    community’s water supply, and a list of local
    laboratories that have been certified by EPA for
    testing water ciuality
    iji
    insert
    the name of city or county department that
    issues building permitsi at insert
    Phone number
    can provide you with information about building
    permit records that should contain the names of
    plumbing contractors that plumbed your home; and
    iii)
    .insert
    the name of the State Department of Public
    Health
    at
    insert
    phone numberl or the
    linsert
    the name of the city or county health department
    at_insert
    phone number
    can provide you with
    information about the health effects of lead and
    how you can have your child’s blood tested.
    ~
    The following is
    a list of some State-approved laboratories
    in your area that you can call to have your water tested for
    lead.
    IInsert names and phone numbers of at least two
    laboratories 1.
    BOARD NOTE:
    Derived from 40 CFR 141.85(a)
    (1992).
    (Source:
    Renumbered to Section 611. Table
    Z and added at
    17
    Ill.
    Reg.
    __________,
    effective
    ________________________)
    at 39-0356

    179
    Section 611.Table D Federal Effcotive DatcoNumber of Lead and
    Co~~er
    Monitoring Sites
    System
    Size
    Number
    of
    Sites
    Number
    of
    Sites
    (Persons Served)
    (Standard Monitoring)
    (Reduced ?4onitoring~
    More than 100,000
    100
    50
    10,001—100.000
    60
    30
    3,301 to 10,000
    40
    20
    501 to 3,300
    ZQ
    lOltoSOO
    10
    5
    100 or fewer
    5
    5
    BOARD
    NOTE:
    Derived
    from
    40
    CFR
    141.86(c)
    (1992).
    (Source:
    Added at 17 Ill.
    Reg.
    __________,
    effective
    ____________
    _______________________________ )
    Section 611.Table E Lead and Copper Monitoring Start Dates
    System Size
    First Six-month Monitoring Period Begins
    (Persons served)
    more than 50,000
    Upon effective date’
    3,301 to 50.000
    Upon effective da~e2
    3.300 or fewer
    July
    1.
    1993
    USEPA sets forth a date of January
    1. 1992.
    2
    USEPA sets forth a date of July 1.
    1992.
    BOARD NOTE:
    Derived from 40 CFR 141.86(d) (1)
    (1992).
    (Source:
    Added at 17 Iii.
    Reg.
    __________,
    effective
    ____________
    Section 6l1.Table F
    Number of Water
    Quality
    Parameter
    Sampling
    Sites
    System Size
    Number of Sites
    (Persons
    Served)
    (Standard
    Monitoring)
    (Reduced
    Monitoring)
    more than 100.000
    25
    10,001 to 100,000
    1Q
    2
    3.301 to 10.000
    3
    3
    501 to 3.300
    2
    2.
    lOltoSOO
    .1
    -~
    100 or fewer
    i
    BOARD NOTE:
    Derived from 40 CFR 141.87(a) (2) and
    (e)
    (1992).
    (Source:
    Added at 17
    Ill. Reg.
    __________,
    effective
    ____________
    ____________________________)
    0
    I 39-0357

    180
    Section 611.Table G Summary of Monitoring Section 611.357
    Requirements for Water Ouality Parameters1
    Monitoring
    Parameters2
    Location
    Freauencv
    Period
    Initial
    pH,
    alkalinity,
    TaPs and at
    EverY
    6 months
    Monitoring
    orthophosphate.
    entry point(s)
    or silica~.cal- to distribution
    cium, conduc—
    system
    tivity,
    temper-
    ature.
    After Installa-
    pH.
    alkalinity.
    Taps
    EverY 6 months
    tion of Corro—
    orthophos~hate
    sion Control
    or silica
    ,
    cal-
    cium4
    After Installa-
    pH, alkalinity
    Entry point(s)
    Biweekly
    tion of Corro-
    dosage rate and
    to distribution
    sion Control
    concentration
    system
    (if alkalinity
    adiusted
    as
    part of cor-
    rosion con-
    trol), inhibit-
    or dosage rate
    and inhibitor
    residual5
    After State
    pH,
    alkalinity,
    Taps
    EverY
    6 months
    Specifies Para-
    orthophos~hate
    meter Values
    or silica
    for
    Optimal
    calcium4
    Corrosion Con-
    trol
    After State
    PH, alkalinity
    Entry point(s)
    Biweekly
    Specifies Para-
    dosage rate and
    to distribution
    meter Values
    concentration
    system
    for Optimal
    (if alkalinity
    Corrosion Con—
    adjusted as
    trol
    part of cor-
    rosion con—
    trolh
    inhib-
    itor dosage
    rate and
    inhibitor re-
    sidual~
    Q
    39-0358

    181
    Reduced
    PH,
    alkalinity,
    Taps
    Every
    6 months
    Monitoring
    orthophosphate
    at a reduced
    or silica3,
    number of sites
    calcium4
    Reduced
    pH. alkalinity
    Entry point(s)
    Biweekly
    Monitoring
    dosage rate and
    to distribution
    concentration
    system
    (if alkalinity
    adjusted
    as
    part
    of
    cor-
    rosion
    con-
    trol), inhib-
    itor dosage
    rate and inhib-
    itor residual5
    Table C is for illustrative purposes; consult the text of
    Section 611.357 for precise re~latoryrequirements.
    2
    Small and medium-size systems have to monitor for water
    quality parameters only during monitoring periods in which the
    system exceeds the lead or copper action level.
    ~ Orthophosphate must be measured only when an inhibitor
    containing
    a
    phosphate
    compound
    is
    used.
    Silica must be measured
    only when an inhibitor containing silicate compound is used.
    ~
    Calcium must be measured only when calcium carbonate
    stabilization is used as cart of corrosion control.
    ~
    Inhibitor dosage rates and inhibitor residual concentrations
    (orthophosphate or silica) must be measured only when an
    inhibitor is used.
    BOARD NOTE:
    Derived from 40 CFR 141.87
    (1992).
    (Source:
    Added
    at
    17
    Ill.
    Reg.
    __________,
    effective
    ___________
    Section 611.Table DZ
    Federal Effective Dates
    The following are the effective dates of the federal MCLs:
    Fluoride
    (40 CFR 141.60(b) (1))
    October 2,
    1987
    (corresponding with Section 611.301(b))
    Phase
    I VOCs
    (40 CFR 141.60(a) (1))
    July 9,
    1989
    (corresponding with Section 611.311(a))
    (benzene, carbon tetrachioride, p—dichlorobenzene.,
    1,2—Dichioroethane, l,l-dichloroethylene,
    1,1,l-tri—
    chioroethane, trichioroethylene, and vinyl chloride)
    0 39-0359

    182
    Lead and Copper
    (40 CFR, subpart
    I)
    JulY 7.
    1991
    (corresponding with Subpart G)
    (lead and copper monitorina, reporting.
    and
    recordskeeping requirements of 40 CFR 141.86 throuah
    141.91)
    Phase II lOCs
    (40 CFR 141.60(b) (2))
    July 30,
    1992
    (corresponding with Section 611.301(b))
    (asbestos, barium, cadmium, chromium, mercury, nitrate,
    nitrite, and selenium)
    Phase
    II
    VOCs
    (40
    CFR
    141.60(a)
    (2))
    July
    30,
    1992
    (corresponding with Section 611.311 (a))
    (o-dichlorobenzene,
    cis—1,2—dichloroethylene, trans—
    1 ,2-dichloroethylene—,
    1, 2-dichloropropane,
    ethyl—
    benzene, monochlorobenzene,
    styrene, tetrachloroethy1—
    ene,
    toluene, and xylenes (total))
    Phase II SOCs
    (40 CFR 141.60(a) (2))
    July 30,
    1992
    (corresponding with Section 611.311(c))
    (alachior, atrazine, carbofuran,
    chlordane, dibromo—
    chloropropane, ethylene dibromide,
    heptachior,
    heptachlor epoxide,
    lindane, methoxychior, poly-
    chlorinated biphenyls, toxaphene, 2,4—D, and 2,4,5—TP
    (Silvex))
    Lead
    and
    Copper
    (40
    CFR.
    subpart
    I)
    December
    7.
    1992
    (corresponding with Subpart G)
    (lead and copper corrosion control, water treatment.
    public
    education,
    and
    Lead service line re~1acement
    requirements of 40
    CFR
    141.81
    through
    141.85)
    Phase IIB IOC
    (40 CFR 141.60(b) (2))
    January 1,
    1993
    (corresponding with Section 611.301(b))
    (barium)
    Phase IIB SOC5
    (40 CFR 141.60(a) (2))
    January 1.
    1993
    (corresponding
    with
    Section
    611.311(c))
    (aldicarb.
    aldicarb sulfone. aldicarb sulfoxide,
    and
    pentachlorophenol; USEPA stayed the effective date as
    to the MCL5 for aldicarb, aldicarb sulfone, and
    aldicarb sulfoxide,
    but the monitoring requirements
    became effective January
    1.
    1993)
    (Source:
    Renumbered from Section 611.Table D and amended at
    17
    Ill. Reg.
    ,
    effective
    _______________________)
    0139-0360

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