ILLINOIS POLLUTION CONTROL BOARD
    November 29, 1990
    ~
    I1~
    MATTER
    OF:
    ~AfI
    DRINKING
    WATER ACT
    )
    R90-21
    (H~R~
    CliONS
    )
    (Rulemaking)
    I UAI
    ORDER. ADOPTED RULES.
    ~Nl(N
    AND ORDER OF THE BOARD (by J. Anderson):
    (i~
    August 9, 1990, the Board entered a final Opinion and Order in R88-26,
    w?ii~i
    involved adoption of regulations in 35 Ill. Adm. Code
    611
    which are
    in substance to USEPA regulations implementing the Safe Drinking
    Wnt~Act (SDWA). On September 13, 1990, the Board proposed to make needed
    ‘l~’!C
    Lions to the regulations adopted in R88-26. Following public comment,
    Ui’
    bu~rd is now adopting the proposed amendments.
    Section 17.5 of the Act provides for quick adoption of ~-egulationswhich
    ~i
    ‘identical in substance” to federal regulations; Section 17.5 provides
    tIi~
    litle VII of the Act and Section 5 of the Illinois Administrative
    P~iHt~dureAct (APA) shall not apply. Because this rulemaking is not subject
    t~
    SNt’.or
    5 of the APA, it is not subject to first notice or to second notice
    ‘~v~~w
    by
    the Joint Committee on Administrative Rules (JCAR).
    .lhe SDWA program was drawn from 40 CFR 141, 142 and 143 (1989).
    PUBLI C COMMENT
    lh
    Board is
    aware of two areas in the R88—26 Order which require
    (0’e( LIar.
    First, on AuQust 6, 1990, the Environmental Protection Agency
    :AU~y) liled a supplemental post-adoption comment, which included the text
    uf
    Ihi’
    materials it asked to be incorporated by reference in its ,Juiy 20,
    ‘JU, comment.
    (PC 14 ir R88—26) The August 6 comment did not arrive in time
    I~1” reviewed in advance of the August 9 meeting. it is now necessary to
    Kr the
    titles of the incorporations by reference to conform with the
    iutu~iI
    titles in the documents.
    St’cond, on September 2, 1990, the Board received a request from Access
    ~ Iy~ cai Systems, Inc. (Access) for inclusion of the “MMD—MUG” or “Col i lert”
    tfhod~. for bacterial analysis. As was discussed on page 47 of the August 9,
    ~
    Opinion in R88—26, these were omitted since 40 CFR 141.21(f) references
    ~“~y
    journal articles which do not actually set forth the methods. Access h~
    ~rt~v~ded supplemental materials which actually describe the methods.
    11w Board will make the August 6, 1990, Agency comment in ROh—26 PC ?
    in
    hi’
    Docket, and the September 2, 1990, Access comment PC 1.
    Al so, 01’
    St’p~ember 22 , 1990, the Board recei ved a letter from the Agency “eque~
    1
    1n~
    lu~ior of the MMO—NUG test.
    (PC
    3)
    116—365

    —2-
    The proposed rules appeared on October 5, 1990, at 14 Ill. Reg. 16215.
    The Board received the following public comment following the September 13,
    1990, Proposed Opinion and Order and publication:
    PC 4
    Agency, October 8, 1990
    PC 5
    Agency, October 23, 1990
    PC 6
    Administrative Code Division, November 13, 1990
    PC 7
    JCAR, November 19, 1990
    Neither the Code Division nor JCAR had any suggestions for change. The
    Agency comments are discussed below.
    PROCEDURAL HISTORY OF P88-26 and R90-4
    The
    SDWA
    rules were recently adopted in Docket R88-26. The Board entered
    a Proposed Opinion and Order on October 5, 1989. The proposal appeared on
    December 1, 1989, at 13 Ill. Reg. 18690. Following the public comment period,
    the Board adopted a “Final” Opinion and Order on May 24, 1990. The Board then
    allowed a post—adoption comment period. On August 9, 1990, the Board withdrew
    the May 24 Opinion and Order, and substituted a new Opinion and Order. The
    final rules appeared in the Illinois Reqister On October 5, 1990, at 14 Ill.
    Reg. 16517.
    In P88-26 the Board adopted regulations to correspond with USEPA rules
    adopted through June 30, 1989. The Board reserved Docket R90-4 to update the
    rules through December 31, 1989. However, on June 21, 1990, the Board
    dismissed R90-4, after determining that the USEPA amendments affected only
    language which was not to be adopted in P88-26.
    On September 27, 1990, in P90-13, the Board proposed to update the SDWA
    rules to include USEPA amendments during the period January I through June 30,
    1990. That proposal appeared on October 19, 1990, at 14 111. Reg 17154.
    APA AND INCORPORATIONS BY REFERENCE
    The rulemaking concerns mainly mainly “incorporations by reference”. IP
    Part 611 these are mainly references to analytical methods published by a
    variety of sources. The Illinois Administrative Procedure Act (APA), and
    derived regulations, restrict the use of such references in rules. (Ill. Rev.
    Stat. 1989, ch. 127, par. 1006.02) An Illinois agency may incorporate such
    standards or guidelines into a rule without publishing the standard or
    guideline in full if:
    1. The standard is from a federal agency or a nationally recognized
    organization.
    2. The rule contains the address of the agency or organization for
    purposes of ordering the standard.
    3. The agency or organization which adopted the standard makes copies
    116—3 66

    -3—
    readily available to the public.
    ~I. The rule includes the date of the standard.
    5.
    The
    rule states that it does not include later editions or
    amendments.
    6. The agency maintains a copy of the standard in its files for public
    inspection and copying.
    Incorporations by reference have been
    a major issue in several identical
    in substance rulemakir.gs, including the
    underground storage tank program
    adopted in R88-27 (April 27, 1989; 13
    Ill. Reg. 9519, effective June 12,
    1989.
    Section 7.2(a)(4) authorizes the Board to incorporate USEPA rules by
    reference where
    it is possible to do so without causing confusion to the
    public. Section 7.2(a)(4) concerns “normal” incorporatior’s by reference, in
    which toe Board references a USEPA rule rather than adopting the verbatim
    text. “Normal” incorporations are usually placed at the appropriate point in
    the verbatim text. Section 611.102 concerns “abnormal” incorporations by
    reference. These mainly consist of technical documents which are referenced
    in the body of the verbatim text. “Abnormal” incorporations also include
    USEPA rules which are referenced in the verbatim text, but which are not a
    part of the program the Board is supposed to adopt. For example, in the
    drinking water rules, USEPA may cite to analytical standards for wastewater.
    The APA requirements on incorporation by reference are “enforced” by way
    of JCAR review of the documents during the first and second notice periods
    pursuant to Section 5 of the APA. Because Section 17.5 of the Act provides
    that Section 5 of the APA does not apply to identical in substance rulemaking,
    the Board is not required to obtain JCAR prior approval of these documents.
    However, Section 17.5 does not include a specific exemption from the APA
    limitations on incorporation by reference.
    There is a potential conflict between the requirements of the APA and the
    identical in substance mandate if a USEPA rule cites to a document which the
    APA prohibits. In such a situation the Board balances the requirements of the
    APA and the Act. The Board considers: whether the reference is really
    necessary to the identical in substance program; whether the APA violation
    amounts to a due process question; and, whether there are alternative ways,
    such as setting forth the substance of the standard in the rule.
    MMO—MUG TEST
    For clarity and back—referencing purposes, we are below first summarizing
    the history of the difficulties with including the MNIO—MUG test.
    40 CFR 141.21 (f)(3)(iv) allows the use of the
    “MMO—MUG test” (“minlncil
    medium ortho—nitrophenyl—beta—d—galactopyranoside
    -
    4-rnethyl-umbeiI1fery)~~
    beta—d—glucuronide test”) or “Autoanalysis Colilert System” as o method tOP
    total col iform analysis. The corresponding Board rule is 35 1 11. I~dm~
    Ctuh~
    611.526. USEPA cites to a series of journal articles
    ~or
    tlit’se it’t~~
    YH~
    I 1
    6—367

    -4-
    initial problem was that the APA authorizes incorporation by reference of
    “standards
    or guidelines”, but not journal articles. This was discussed in
    the October
    5,
    1989, R88-26 Proposed Opinion on page 13.
    The Board received no response to this issue raised in the Proposed
    Opinion. (See PC 5 in R88-26, items 25 through 27) The Board therefore
    undertook to find the journal articles and attempt to obtain permission from
    the publisher. This led to several discoveries: First, the the journal is in
    fact published by the American Society for Microbiology (ASM), rather than
    AWWA as implied in the USEPA rule. Second, although the journal articles
    discuss the “MMO—MUG” test, they do not tell a person how to perform the
    test. Therefore, in the May 24, 1990, Opinion and Order, the Board dropped
    this method from the rules. The discussion occurred on page 30, in which the
    Board asked for clarification, as follows:
    54 Fed. Peg. 29998, July 17, 1989, appears to be
    the only USEPA action during the first update period
    for these rules. (July 1 through December 31,
    1989.) This adds to this reference additional journal
    articles, which suffer the same flaws. The Board
    requests clarification of the agencies’ position
    during the final comment period. (P88—26 Opinion of
    May 24, 1990, p. 30)
    The Board received no response to this issue during the post-adoption
    comment period. (See PC 14 in R88—26, p. 18
    -
    21, 47) On August 9, 1990, the
    Board therefore adopted the rules without reference to the lIMO—MUG test.
    (R88-26 Opinion of August
    9, 1990, p. 47)
    On June 21, 1990, the Board dismissed P90-4 (SDWA Update for July 1
    through December 31, 1989) after determining that the journal articles would
    not appear in the Board rules in the first place. The Board received no
    comment on
    P90-4.
    Following the final adoption of P88—26, the Board was contacted by
    Access. The lIMO—MUG test is a proprietary method in which Access sells tubes
    containing the a culture
    medium and the “Colilert reagent”. Coliform bacteria
    metabolize the ortho-nitrophenyl-beta-d-galactopyranoside, freeing o-nitro-
    phenol, which is detected through color change.
    As noted above, the journal articles cited by USEPA discuss the MMO—MUG
    test, but do not describe it. Rather, they
    start with the assumption that the
    reader is already familiar with the test itself. Access has provided the
    Board with a number of documents describing the test. One of these is an
    article describing the test, entitled “Rapid specific environmental coliform
    monitoring”, by S. Stratman, American Laboratory, July, 1988. However, this
    is still a journal article. The better reference appears to be the
    instruction sheet which Access provides with the culture medium and reagent.
    Although the instruction sheet has the format of a “standard or
    guideline”, it comes from a private company. However, USEPA has incorporated
    this method by reference. The Board will therefore accept Access as a
    “nationally recognized organization” within the meaning of the APA for
    116—3 68

    -5-
    purposes of this identical in substance rulemaking.
    There are two types of colilert test: a presence absence (P/A) test and
    a most probable number (11PM) test. The latter actually exists in at least
    three variations. All appear to be encompassed within the USEPA references.
    A possible conflict exists between 40 CFR 141 and the colilert methods.
    While the former requires sample collection in accordance with the 16th
    Edition of Standard Methods, the latter requires the 17th Edition.
    As discussed above, USEPA added additional references to the MMO-MUG test
    in the July 17, 1989, Federal Register. However, these amendments appear to
    amend JSEPA language which had been repealed on June 29, 1990.
    The July 17
    action amended 40 CFR 141.14(b)(3) and 141.21(a). However, on June 29, 1989,
    at 54 Fed. Peg. 27562, 40 CFR 141.14 was repealed, and 141.21(a) was modified
    in a manner such that it is impossible to make the July 17 changes. Since the
    repealed language does not appear in the Board rules, there is no place to
    insert these additional references. The Board therefore proposed no changes
    in response to the July 17, 1989, USEPA amendments, but solicited comment.
    The Agency reponded in PC 5. It is clear that the Agency supports
    inclusion of the ONP—MUG test, and agrees that both the P/A and MPN variations
    have been approved by USEPA. However, the Agency comment does not give
    guidance as to the appropriate mechanism. The Agency asked the Board to
    incorporate the journal articles cited in the June 29 and July 17, 1989,
    Federal Registers, but did not provide any rationale for so doing. As is
    discussed above, the APA does not authorize incorporation by reference of
    journal articles. Moreover, the cited articles do not describe the test
    methods in question. And, the July 17, 1989, Federal Register amended rules
    which USEPA had repealed on June 29, so that there is no place to hang the
    amendments.
    The Agency also indicated that USEPA had approved only the 16th Edition
    sample collection procedures for the colilert methods. (PC 5) However, the
    Agency gave no citation for this USEPA action. The Board will not insert
    language authorizing the use of 16th Edition methods, but will let the ONP-MUG
    test speak for itself.
    OTHER INCORPORATION BY REFERENCE QUESTIONS
    In PC 14 in P88-26, the Agency indicated that certain out-of—date
    analytical methods had to be referenced in Part 611. Or August 6, 1990, the
    Agency provided the Board with a collection of many of the methods it wanted
    referenced, but this was not received in time to aid in preparing the Order in
    R88-26. The Board attempted to follow the Agency’s recomended Methods, but
    many of the references were inaccurate or incomplete, since the Board did not
    yet have the documents in front of it at the time the Order was drafted.
    The Board has below corrected and completed the references to correspond
    with the documents received from the Agency. The following items referenced
    in R88-26 were
    still missing
    from the materials provided in PC 14 in P88—26:
    ASTM Ilethod D992-71
    611.606(g)(1)(B)
    116—369

    -6-
    ASTI’l Method D1688-84D
    611.606(m)(1)
    Standard Methods, 13th Edition:
    Metnods 302, 303, 304, 305 and 306
    611.72O(a)(2)
    Standard Methods, 14th Edition:
    Metnods 4O4A and B(4)
    611.606(a)(2)(B)
    Methods 4190 and D
    611.6O6(g)(2)(B)
    Method 605
    611.606(g)(2)(C)
    Standard Methods, 16th Edition:
    Method 43A and C
    611.606(j)(2)(A)
    Methods 4080, D, E and F
    611.531(e)(1)
    Method 4120
    611.606(o)(2)
    Methods 413 B and E
    611.606(j)(2)
    Method 9O8D
    611.531(a) and (b)
    Method 909C
    611.531(a)
    The Agency provided copies of these materials with PC
    5. The Agency
    pointed out that Methods “43A and C” should be “413A and C”. (PC 5) This
    typo was copied from 40 CFR 141.23(f)(IO). This illustrates the importance of
    assembling the actual documents, rather than relying on the USEPA citations.
    SECTION-BY—SECTION DISCUSSION
    Section 611.102
    This is the incorporations by reference Section. lt includes the
    complete “library-type” reference to the documents which are used in
    subsequent Sections.
    As is discussed in general above, the Board has added a definition of
    “lIMO-MUG
    test”, the term which will be used in the rules. The test is
    available from Access, whose address and phone number are now
    the first entry
    in subsection (b).
    Most of the A5TM and Standard Methods references have been amended to
    conform with the numbers and titles in the documents submitted by the
    Agency. The Board has deleted ASTM Methods 01067, D1126 and 01293. These
    were used in the corrosivity monitoring in Proposed Sections 611.621 et seq.
    in the R88—26 Proposal. Corrosivity monitoring was dropped, as was discussed
    on page 92 of the August 9, 1990 Opinion in R88-26. In that this was the only
    116—370

    —7—
    use made of these references, the Board has del eted them.
    The Board has deleted the reference to Standard Methods, 16th Edition,
    Method 912K. As was discussed on page 62 of the August 9, 1990, Opinion in
    R88—26, this reference was used in the draft Guidance Manual for the
    determination of “groundwater under the direct influence of surface water”,
    which is reflected in Section 611.212. However, in that the reference was
    dropped from the final version of the Guidance Manual, the Board dropped it
    from Section 611.212. In that this was the only use of Method 912K, the Board
    has deleted it from the incorporation by reference Section.
    Section 611.526
    To this Section is added the reference to the LIMO-MUG test discussed
    above.
    Section 611.606
    In subsection (a), the reference to “ASTM 2972” has been modified to
    “ASTM 2972A or B”, to conform with
    the Agency documentation.
    On November 9, 1990, in connection with its post—adoption review of P88-
    26, JCAR noted a minor typographical error in Section 611.606(m)(2)(B), which
    the Board has corrected in this Docket.
    Section 611.610
    in subsection (d;), Standard Methods, 14th Edition, “Method 325B” has been
    modified to “Method 320 and 32OA’ to conform with the Agency documentation.
    Section 611.720
    In subsection (b)(1), “NTIS”
    has been specified as the source of
    “Procedures for Radiochemical Analysis...”, to conform with Section 611.102.
    ORDER
    The Board hereby amends 35 Ill. Adm. Code 611 to read as follows.
    TITLE 35: ENVIRONMENTAL PROTECTION
    SUBTITLE F: PUBLIC WATER SUPPLIES
    CHAPTER I: POLLUT1DN 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
    116—371

    -8-
    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 Quality
    611.120
    Effective dates
    611.121
    Maximum Contaminant Levels
    61~.125
    Fluoridation Requirement
    611.126
    Prohibition on Use of Lead
    SUBPART B:
    FILTRATION AND DISINFECTION
    Section
    611.201
    Requiring a Demonstratior
    611.202
    Procedures for Agency Determinations
    611.211
    Filtratior Required
    611.212
    Groundwater under Direct Influence of Surface Water
    611.213
    No Method of HPC Analysis
    611.220
    General Requirements
    611.230
    Filtration Effective Dates
    611.231
    Source Water Quality Conditions
    611.232
    Site-specific Conditions
    611.233
    Treatment Technique Violations
    611.240
    Disinfection
    611.241
    Unfiltered PWSs
    611.242
    Filtered PWSs
    611.250
    Filtration
    611.261
    Unfiltered PWS5: Reporting and Recordkeeping
    611.262
    Filtered PWSs: Reporting and Pecordkeeping
    611.271
    Protection during Repair Work
    611.272
    Disinfection following Repair
    SUBPART C: USE OF NON-CENTRALIZED TREATMENT DEViCES
    Section
    611.280
    Point-of—Entry Devices
    611.290
    Use of other Non-centralized Treatment Devices
    SUBPART F: MAXIMUM CONTAMINANT LEVELS (MCL’S)
    Section
    611.300
    Inorganic Chemicals
    611.310
    Organic Chemicals
    611.311
    VOCs
    611.320
    Turbidity
    611.325
    Microbiological Contaminants
    611.330
    Radium and Gross Alpha Particle Activity
    611.331
    Beta Particle and Photon Radioactivity
    SUBPART K:
    GENERAL MONITORING AND ANALYTICAL REQUIREMENTS
    Section
    611.480
    Alternative Analytical Techniques
    611.490
    Certified Laboratories
    116—372

    -9-
    611.491
    Laboratory Testing Equipment
    611.500
    Consecutive PWSs
    SUBPART L: MICROBIOLOGICAL MONITORING AND ANALYTICAL REQUIREMENTS
    Secti on
    611.521
    Routine Coliform Monitoring
    611.522
    Repeat Coliform Monitoring
    611.523
    Invalidation of Total Coliforni Samples
    611.524
    Sanitary Surveys
    611.525
    Fecal Coliform and E. Coli Testing
    611.526
    Analytical Methodology
    611.527
    Response to Violation
    611.531
    Analytical Requirements
    611.532
    Unfiltered PWSs
    611.533
    Filtered PWSs
    SUBPART M: TURBIDITY MONITORING AND ANALYTICAL REQUIREMENTS
    Section
    611.560
    Turbidity
    SUBPART N: INORGANIC
    MONITORING
    AND ANALYTICAL REQIJIREMENTS
    Section
    611.601
    Requirements
    611.602
    Violation of State MCL
    611.603
    Frequency of State Monitoring
    611.606
    Analytical Methods
    611.607
    Fluoride Monitoring
    611.610
    Special Monitoring for Sodium
    SUBPART 0: ORGANIC MONITORING AND ANALYTICAL REQUIREMENTS
    Section
    611.641
    Sampling and Analytical Requirements
    611.645
    Analytical Methods
    611.648
    Sampling for VOCs
    611.650
    Monitoring for 36 Contaminants
    611.657
    Analytical Methods for 36 Contaminants
    SUBPART P: THM MONITORING AND ANALYTICAL REQUIREMENTS
    Section
    611.680
    Sampling, Analytical and other Requirements
    611.683
    Reduced Monitoring Frequency
    611.684
    Averaging
    611.685
    Analytical Methods
    611.686
    Modification to System
    SUBPART
    Q:
    RADIOLOGICAL MONITORING AND ANALYTICAL REQUIREMENTS
    Secti on
    611.720
    Analytical Methods
    611.731
    Gross Alpha
    611.732
    Manmade Radioactivity
    SUBPART T: REPORTING, PUBLIC NOTIFICATION AND RECORDKEEPING
    Section
    116—373

    -10-
    611.830
    Applicability
    611.831
    Monthly Operating Report
    611.832
    Notice by Agency
    611.833
    Cross Connection Reporting
    611.840
    Reporting
    611.851
    Reporting MCL and other Violations
    611.852
    Reporting other Violations
    611.853
    Notice to New Billing Units
    611.854
    General Content of Public Notice
    611.855
    Mandatory Health Effects Language
    611.856
    Fluoride Notice
    611.858
    Fluoride Secondary Standard
    611.860
    Record Maintenance
    611.870
    List of 36 Contaminants
    Appendix A
    Mandatory Health Effects Information
    Appendix B Percent Inactivation of G. Lamblia Cysts
    Appendic C Common Names of Organic Chemicals
    Table A
    Total Coliform Monitoring Frequency
    Table B
    Fecal or Total Col iform Density Measurements
    Table C
    Frequency of RDC Measurement
    AUTHORITY: Implementing Sections 17 and 17.5 and authorized by Section 27 of
    the Environmental Protection Act (Ill. Rev. Stat. 1989, ch. 111 1/2, pars.
    1017, 1017.5 and 1027.
    SOURCE: Adopted in R88-26 at 14 Ill. Peg.
    ,
    effective
    amended in R9O—21 at 14 Ill. Peg.
    ,
    effective
    SUBPART A: GENERAL
    Section 611.102 Incorporations by Reference
    a) Abbreviations. The following abbreviated names are used for
    materials incorporated by reference:
    “AEPA—l Polymer” is available from Advanced Polymer Systems.
    “ASTM” means American Society for Testing and Materials
    “Indigo
    method” is as described in “Standard Methods”, 17th
    Edition, Method 4500—03 B.
    “Inductively Coupled Plasma Method” 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.
    “Inorganic Methods” means “Methods for Chemical Analysis of
    Water and Wastes”, available from NTIS
    “Microbiological Methods” means “Microbiological Methods for
    Monitoring the Environment, Water and Wastes”, available from
    116—374

    —11—
    N TI S.
    “lIMO-MUG
    Test” means “minimal medium ortho—nitrophenyl—beta-d—
    galactopyranoside — 4—niethyl-umbelliferyl—beta—d—glucuronide
    test”, available from Access Analytical Systems, Inc.
    “NCRP” means “National Council on Radiation Protection”.
    “NTIS” means “National Technical Information Service”.
    “Organic Methods” means “Methods for the Determination of
    Organic Compounds in Drinking Water”, available from USEPA.
    “Pesticide Methods” means “Methods for Organochlorine Pesticides
    and Chloro-phenoxy Acid Herbicides in Drinking Water and Raw
    Source Water”, available from USEPA.
    “Radiochemical Methods” means “Interim Radiochemical Methodology
    for Drinking Water”, available from NTIS.
    “SPE Test Method” means “Solid Phase Extraction Test Method”,
    available from J.T. Baker Chemical Company.
    “Standard Methods”, means “Standard Methods for the Examination
    of Water and Wastewater”, available from the American Waterworks
    Associ ati on.
    “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., 21 Business Park Drive,
    Branford, CT 06405 800/321-0207
    MMO—MUG tests: Colilert P/A or Colilert
    MPN.
    ASTM. American Society for Testing and Materials, 1976 Race
    Street, Philadelphia, PA 19103
    ASTM Method D858-88, “Standard Test Methods for Manganese
    in Water”, approved August 19, 1988.
    ASTM Method 0992—71, “Standard Method of Test for Nitrate
    Ion in Water”, effective October
    22, 1971.
    -ASTh Methed Qi~—88~
    taPd~F~
    Test Met~e~s~ Ae~d*ty
    ef Mka~.4~.4tye~WateF~app~eve~A~~st~ ~
    ASTM L4et~e~~~2?—86; tap,~aF~Test Met~e~feF
    HaFOeSS
    4~
    WateF~a~pFe~’e~AH~st 29~~988~—
    116-375

    -12-
    ASTM Method D1179-72A
    or B “Standard Test Methods for
    Fluoride in Water”, approved July 28, 1972, reapproved
    1978.
    -A~TMMet~e~
    9~29~~84T
    t~~BF~
    Test Metl~e~s~ ~N e~
    W~teF~appFe~e~Qete~eF
    ~6T 1984w-
    ASTM Method
    01428-64, “Standard Test Methods for Sodium and
    Potassium
    in Water and Water—Formed Deposits by Flame
    Photometry”, approved August 31, 1964, reapproved 1977.
    ASTM Method D1687-77D, “Standard Test Methods for Chromium
    in Water”, approved February 18, 1977.
    ASTM Method D1688-84D or E, “Standard
    Test Methods for
    Copper in Water”, approved November 30, 1984.
    ASTM Method D1889-88a, “Standard
    Test Method for Turbidity
    of Water”, approved June 24, 1988.
    ASTLI Method D2459—72, “Standard Test Method for
    Gamma
    Spectronietry in Water,” 1975, reapproved 1981, discontinued
    1988.
    ASTM Method D29O7-83, “Standard Test Methods for
    Llicroquartities of Uranium in Water by Fluorometry”,
    approved May 27, 1983.
    ASTM Method D2972-78A or B, “Standard Test Methods for
    Arsenic in Water”, approved August 18, 1978.
    ASTM Method 03086—79, “Standard Test Methods for
    Organochlorine Pesticides In Water”, approved November 30,
    1979.
    ASTM Method D3223-79, “Standard Test Method for Total
    Mercury in Water”, approved November 30, 1979.
    ASTM Method D3478-85, “Standard Test Method for Chlorinated
    Phenoxy Acid Herbicides in Water”, approved November 29,
    1985.
    ASTM Method D3557-78A or B, “Standard Test Methods for
    Cadmium in Water”, approved July 28, 1978.
    ASTM Method D3559-78A or B, “Standard Test Methods for Lead
    in Water”, approved July 28, 1978.
    ASTM Method D3859-79, “Standard Test Methods for Selenium
    in Water”, approved November 30, 1979.
    ASTM Method D3867-79A or B, “Standard Test Methods for
    116—376

    —13-
    Nitrite—Nitrate in Water”, approved November 30, 1979.
    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.
    Method—s @2 3Q~~@4~3Q~~ ~@6—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, Tritium in Water.
    Standard Methods for the Examination of Water and
    Wastewater, 14th Edition, 1976.
    Method—s— 301A II, —I-I-I~I-V VI- a~ëV~I-—Determination
    of Cadmium, etc. by Direct Aspiration into an A~r—
    Acetylene Flame.
    Method 3O1A III, Determination of Low Concentrations
    of Cadmium, etc. by Chelation with Ammonium
    Pyrrofidine Dithiocarbamate, and Extraction into
    Methyl Isobutyl Ketone.
    Method 301A IV, Determination of Aluminum, etc. by
    Direct Aspiration into a Nitrous Oxide Acetylene
    Flame.
    Method 301A Vl, Determination of Mercury by Cold Vapor
    (Flameless) Atomic Absorption.
    Method 3O1A VII, Determination of Arsenic and Selenium
    by Conversion to their Hydrides and Aspiration of the
    Gas into the Argon—Hydrogen Flame.
    Method —~2SB—32Oand 320A, Sodium, Flame Photometric
    Method.
    Method 404A —a~~
    —,
    Arsenic/ Silver
    Diethyldithiocarbamate Method.
    Method 4O4B(4) Arsenic/ Mercuric Bromide Stain
    Method
    116—377

    -14-
    Method 413D, Cyanide, Colorimetric Method.
    Method 419C— ~d
    —, Nitro?en (Nitrate), Cadmium
    Reduction Method (Tentative).
    Method 4190, Nitrogen (Nitrate), Brucine Method
    (Tentati ye).
    Method 5O9A— ~ B—, Organochlorine Pesticides
    (Tentative).
    Method 509B, Chlorinated Phenoxy Acid Herbicides
    (Tentative).
    Method 605, Nitro9en (Nitrate), Cadmium Reduction
    Method (Tentative).
    Standard Methods for the Examination of Water and
    Wastewater, 16th Edition, 1985.
    -Met~ed4A a~
    Method 212, Temperature.
    Method 214A, Turbidity, Nephelometric Method
    —-
    Nephelometric Turbidity Units.
    Method-s— 303A— a~ B—, Determination of Antimony,
    etc. by Direct Aspiration into
    an.
    Air-Acetylene Flam~
    Method 303B, Determination of Low Concentrations ot
    Cadmium, etc. by Chelation with Ammonium Pyrrolidine
    Dithiocarbamate (APDC) and Extraction into Methyl
    lsobutyl Ketone (MIBK).
    Method 304, Determination of Micro Quantities of
    Aluminum, etc. by Electrothermal Atomic Absorption
    Spectrometry.
    Method 4O8C~TP.. E
    ~pd ~—,
    Chlorine (Residual),
    Amperometric Titration Method.
    Method 4080, Chlorine (Residual), DPD Ferrous
    Titninietric Method.
    Method 408E, Chlorine (Residual), DPD Colorimetric
    Method.
    Method 408F, Chlorine (Residual), Leuco Crystal Violet
    Method.
    Method 41DB- a~
    ~-,
    Chlorine Dioxide, Aniperornetric
    Method.
    116—37 8

    -15-
    Method 41OC, Chlorine Dioxide, DPD Method (Tentative).
    Method 4120, Cyanide, Colorimetric Method.
    Method 413—B e~ E-A, Fluoride, Preliminary
    Distillation Step.
    Method 413B, Fluoride, Electrode Method.
    Method 413C, Fluoride, SPADNS Method.
    Method 413E, Fluoride, Complexone Method.
    Method 423, pH Value.
    Method 907A, Pour Plate Method.
    Method 908-; 998A B~G; ~ ~ E-, Multiple Tube
    Fermentation Technique for Members of the Coliform
    G ro up.
    Method 908A, Standard Coliform Multiple—Tube (MPN)
    Tests.
    Method 9O8B, Application of Tests to Routine
    Examinations.
    Method 908C, Fecal Coliform
    MPN
    Procedure.
    Method 9080, Estimation of Bacterial Density.
    Method 9O8E, Presence-Absence (P—A) Coliform Test
    (Tentative).
    Method 909—; 999A; B
    ~ ~—,
    Membrane Filter Technique
    for Members of the Coliform Group.
    Method 9O9A, Standard Total Coliform Membrane Filter
    Procedu re.
    Method 909B, Delayed Incubation Total Coliform
    Procedure.
    Method 909C, Fecal Coliform Membrane Filter Procedure.
    -Met~e~9I-2K-
    Standard Methods for the Examination of Water and
    Wastewater, 17th Edition, 1989.
    Advanced Polymer Systems, 3696 Haven Avenue, Redwood City, CA
    94063 415/ 366-2626:
    116—379

    -16-
    AEPA-1 Polymer. See 40 CFR 141.22(a). Also, as referenced
    in
    ASTM
    D1889.
    ERDA Health and Safety Laboratory, New York,
    NY
    HASL Procedure Manual, HASL 300, 1973. See 40 CFR
    141.25(b) (2).
    J.T. Baker Chemical Company, 22 Red School Lane, Phillipsburg,
    NJ 08865:
    Solid Phase Extract (SPE) Test Method Number SPE-55O. See
    40 CFR 141.24(e), footnote 6.
    NCRP. 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”, NCRP Report Number 22, June 5,
    1959.
    NTiS. National Technical Information Service, 5285 Port Royal
    Road, Springfield, VA 22161 (703) 487—4600.
    “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.
    PB84-128677
    ‘Microbiological Methods for Monitoring the Environment:
    Water
    and Wastes”, P. Bodner and 3. Winter, 1978. EPA-
    600/8-78-017, Dcc.
    No.
    PB290-329/LP
    “Procedures for Radiochernical Analysis of Nuclear Reactor
    Aqueous Solutions”, H.L. Krieger and S. Gold, EPA-R4-73-
    014, May, 1973, Dcc. No. PB222—154/7BA
    Technicon Industrial Systems, Tarrytown, NY 10591
    “Fluoride in Water and Wastewater”, Industrial Method #129-
    71W, December, 1972 See 40 CFR 141.23(f)(1O), footnotes 6
    and 7.
    “Fluoride in Water and Wastewater”, #380—75WE, February,
    1976. See 40 CFR 141.23(f)(1O), footnotes 6 and 7.
    United States Environmental Protection Agency, (202) 382-4359
    “The Analysis of Trihalomethanes in Drinking Waters by the
    Purge and Trap Method”, Method 501.1. See 40 CFR 141,
    Subpart C, Appendix C.
    116—380

    —17—
    “The Analysis of Trihalomethanes in Drinking 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”, March 1987. See 40 CFR 136, Appendix C.
    “Interim Radiochemical Methodology for Drinking Water”,
    EPA—600/4—75-OO8 (Revised) March, 1976.
    “Methods for the Determination of Organic Compounds in
    Drinking Water”, EPA/600/4-88/O39, December, 1988.
    “Methods for Organoch’lorine Pesticides and Chloro-phenoxy
    Acid Herbicides in Drinking Water and Raw Source Water”
    “Methods of for Chemical Analysis of Water and Wastes”.
    See NTIS
    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.
    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”,
    1979
    Book 5, Chapter A-3, “Methods for Analysis of Oryani
    Substances in Water,” 1971
    r) Tr~c Board incorporates the following federal regulations by
    reference:
    40 CFR 136, Appendix B and C (1989)
    116—381

    -18-
    40
    CFR 141.22(a) (1989)
    40
    CFR 141.23(f)(1O), footnotes 6 and 7 (1989)
    40 CFR 141.24(e), footnote 6 (1989)
    40 CFR 141.25(b)(2) (1989)
    40 CFR 141, Subpart C, Appendix C (1989).
    d) This Part incorporates no future amendments or editions.
    (Source: Amended at 14 Ill. Peg.
    ,
    effective
    SUBPART L: MICROBIOLOGICAL MONITORING AND ANALYTICAL REQUIREMENTS
    Section 611.526 Analytical Methodology
    a) The standard sample volume required for total coliform analysis,
    regardless of analytical method used, is 100 ml.
    b) Suppliers need only determine the presence or absence of total
    coliforms, a determination
    of
    total coliform density is not required.
    c) Suppliers shall conduct total coliform analyses in accordance with
    one of the following analytical methods, incorporated by reference in
    Section 611.102:
    1) Multiple—Tube Fermentation (MIF) Technique, as set forth in:
    A) Standard Methods, 16th Edition, Method 908, 908A and 9O8B,
    except that 10 fermentation tubes must be used; or
    B) Microbiological Methods, Part III, Section B 4.1—4.6.4, pp.
    114-118, (Most Probable Number Method), except that 10
    fermentation tubes must be used; or
    2) Membrane Filter
    (MF)
    Technique, as set forth in:
    A) Standard Methods, 16th Edition, Method 909, 909A and 9O9B;
    or
    B) Microbiological Methods, Part Ill
    ,
    Section B.2.1—2.6, pp.
    108-112; or
    3) P—A Coliform Test, as set forth in: Standard Methods, 16th
    Edition, Method 908E—T—; or
    4)
    LIMO-MUG test.
    d) In lieu of the 10-tube MIF Technique specified in subsection (c)(1),
    a supplier may use the MIF Technique using either five tubes (20—ml
    sample portions or a sinqle culture bottle containing the culture
    116— 3 82

    —19-
    medium for the MTF Technique, i.e., lauryl tryptose broth (formulated
    as described in Standard Methoas, 16th Edition, Method 9O8A,
    incorporated by reference in Section 611.102) as long as a 100-nil
    water sample is used in the analysis.
    e) Suppliers shall conduct fecal coliforni analysis in accordance with
    the following procedure:
    1) When the MTF Technique or P-A Coliform Test is used to test for
    total coliforms, shake the lactose—positive presumptive tube or
    P-A bottle vigorously and transfer the growth with a sterile 3-
    mm loop or sterile applicator stick into brilliant green lactose
    bile broth and EC medium, defined below, to determine the
    presence of total and fecal coliforms, respectively.
    2) For Microbiological Methods, referenced above, which use a
    membrance filter, remove the membrane containing the total
    coliform colonies from the substrate with a sterile forceps and
    carefully curl and insert the membrane into a tube of EC
    medium. (The laboratory may first remove a small portion of
    selected colonies for verification). Gently shake the
    inoculated EC tubes to insure adequate mixing and incubate in a
    waterbath at 44.5
    +/—
    0.2 degrees C for 24
    +/-
    2 hours. Gas
    production of any amount in the inner fermentation tube of the
    C medium indicates a positive fecal coliform test.
    3) The preparation of EC medium is described in Standard Methods,
    16th Edition, Method 9O8C.
    4) Suppliers need only determine the presence or absence of fecal
    coliforms, a determination of fecal coliform density is not
    required.
    BOARD NOTE: Derived from 40 CFR 141.21(f) (1989), as amended at
    54 Fed. Reg. 27562, June 29, 1989.
    (Source: Amended at 14 ill. Peg.
    ,
    effective
    SUBPART N: INORGANIC MONITORING AND ANALYTICAL REQUIREMENTS
    Section 611.606 Analytical Methods
    Analyses conducted to determine compliance with Section 611.300 must be made
    in accordance with the following methods, incorporated by reference in Section
    611.102. For approved analytical procedures for metals, the technique
    applicable to total metals must be used.
    a) Arsenic:
    1) ASTM Method D2972A or B or
    2) Standara Methods, 14th Edition:
    116—383

    -20-
    A) Methoa 301A VII; or
    B) Metnod 404A and 4048(4); or
    3) USGS Methods, Method 1-1062-78, pp. 61-63, Atomic Absorption
    -
    Gaseous Hydride; or
    4) Inorganic Methods:
    A) Method 206.2, Atomic Absorption Furnace Technique; or
    B) Method 206.3; or
    C) Method
    206.4; or
    5) Inductively Coupled Plasma Method 200.7.
    b) Barium:
    1~ Standard Methods, 14th Edition, Method 301A IV; or
    2) inorganic Methods:
    Al) Method 208.1; or
    B)
    Method
    208.2, Atomic Absorption Furnace Technique; or
    Inductively Coupled Plasma Method 200.7.
    ASTM Method 03557 A or B; or
    Standard Methods, 14th Edition, Methods 301A II or III; or
    Inorganic Methods:
    A)
    Method 213.1; or
    B)
    Method 213.2, Atomic Absorption Furnace
    Technique; or
    4) Inductively Coupled Plasma Method 200.7.
    d) Chromium:
    1) ASTM Method D 1687; or
    2) Standard Methods, 14th Edition, Methods 301A II or III; or
    3) Inorganic Methods:
    A) Method 218.1; or
    3)
    c) Cadmium:
    1)
    2)
    3)
    116—384

    -21-
    B)
    Method 2i8.2, Atomic Absorption Furnace Technique; or
    4) Inductively Coupled Plasma Method 200.7.
    e) Lead:
    1) ASTM Method 0 3559 A or B; or
    2) Standard Methods, 14th Edition, Methods 301A II or III; or
    3)
    Inorganic Methods:
    A)
    Method 239.1; or
    B) Method 239.2, Atomic Absorption Furnace Technique.
    4) inductively Coupled Plasma
    Method 200.7.
    f) Mercury:
    1) ASTM Method 0 3223; or
    2) Standard Methods, 14th Edition, Method 301A VI, Cold Vapor
    Technique; or
    3) Inorganic Methods:
    A)
    Method 245.1; or
    B) Method 245.2, Automated Cold Vapor Technique.
    g) Nitrate:
    1) ASTM:
    A)
    Method D 3867 A or B; or
    B) Method D 992; or
    2) Standard Methods, 14th Edition:
    A)
    Method 419C, Spectrometric, Cadmium Reduction;
    B) Method 419D, Colorimetric Brucine; or
    C) Method 605, Automated Cadmium Reduction.
    3) Inorganic Methods:
    A) Method 352.1; or
    B)
    Method 353.1, Automated Hydrazine Reduction; or
    116—385

    -22-
    C) Method 353.2; or
    D) Method 353.3; or
    h) Selenium:
    1) Inorganic Methods
    A) Method 270.2, Atomic Absorption. Furnace Technique; or
    B) Method 270.3; or
    2)
    USGS Methods, Method 1—1667—78, pp. 237—239; or
    4
    3) ASTM Method 0 3859; or
    4)
    Standard methods, 14th Edition, Method 3O1A VII, Hydride
    Generation
    -
    Atomic Absorption Spectrophotometry.
    i) Silver:
    1) Standard Methods, 14th Edition, Methods 3O1A II; or
    2) Inorganic Methods:
    A) Method 272.1; or
    B~ Method 272.2, Atomic Absorption Furnace Technique; or
    3) Inductively Coupled Plasma Method 200.7.
    j)
    Fluoride:
    1) ASTM 0 1179 A or B; or
    2) Standard Methods, 16th Edition:
    A) Methods 413A and 413C;
    B) 4138; or
    C) 413E; or
    3) inorganic Methods:
    A) Method 340.1;
    B) Method 340.2;
    C) Method 340.3; or
    4) Technicon Methods, Methods 129—71W or 380-75WE
    116—386

    —23-
    BOARD NOTE: Derived from 40 CFR 141.23(f) (1989).
    k) Manganese:
    1) ASTM D 858;
    2) Standard Methods, 16th Edition, Method 303A.
    3) Inorganic Methods: Methods 243.1 or 243.2; or
    4) Inductively Coupled Plasma Method 200.7.
    BOARD NOTE: These methods are used for additional State
    requi rements.
    1) Iron:
    1) Inorganic Methods: 236.1 or 236.2; or
    2) Inductively Coupled Plasma Method 200.7.
    3) Standard Methods, 16th Edition, Method 3O3A
    BOARD NOTE: These methods are used for additional State
    requi rements.
    m) Copper:
    1) ASTM D 1688 D or E;
    2) Standard Methods, 16th Edition:
    A) Methods 303A or B;
    B) Method 304-i eF—,
    BOARD NOTE: These methods are used for additional State
    requirements.
    3) Inorganic Methods: 220.1 or 220.2; or
    4) Inductively Coupled Plasma Method 200.7.
    n) Zinc:
    1) Inorganic Methods 289.1 or 289.2; or
    2) Standard Methods, 16th Edition, Method 303A
    BOARD NOTE: These methods are used for additional State
    requi rements.
    o) Cyanide:
    116—387

    -24-
    1) Inorganic Method 335.2; or
    2) Standard Methods, 16th Edition, Method 412D
    BOARD NOTE: These methods are used for additional State
    requi renents.
    (Source: Amended at 14 Ill. Peg.
    ,
    effective
    Section 611.610 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 tne supplier is based or 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 special exception permit, whichever of these is first.
    If more than annual sampling is required the supplier shall report
    the average sodium concentration within 10 days 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, 14th Edition, Method —~2BB—320and 320A, flame
    photometric method;
    2) Inorganic Methods:
    A) Method 273.1, Atomic Absorption
    -
    Direct Aspiration; or
    B) Method 273.2, Atomic Absorption
    -
    Graphite Furnace; or
    116—388

    -25—
    3)
    ASTM Method D1428.
    BOARD NOTE: Derived from 40 CFR 141.41 (1989).
    (Source: Amended at 14 Ill. Peg.
    ,
    effective
    SUBPART
    Q:
    RADIOLOGICAL MONITORING AND ANALYTICAL REQUiREMENTS
    Section 611.720 Analytical Methods
    a) The methods specified below, incorporated by reference in Section
    611.102, are to be used to determine compliance with Sections 611.330
    and 611.331, except in cases where alternative methods have been
    approved in accordance with Section 611.480.
    1) Padiochemical Methods;
    2) Standard Methods, 13th Edition:
    A) Gross Alpha and Beta: Method 302;
    B) Total Radium:
    Method 304;
    C) Radium-226:
    Method 305;
    D) Strontium—89,90: Method 303;
    E)
    Tritiurn: Method 306.
    3) ASTM Methods:
    A) Cesium-134: ASTM D—2459;
    B) Uranium: ASTM D-29O7.
    b) When the identification and measurement of radionuclides other than
    those listed in subsection (a) is required, the following methods,
    incorporated
    by
    reference in Section 611.102, are to be used, except
    in cases where alternative methods have been approved in accordance
    with Section 611.480:
    1) “Procedures for Radiochemical Analysis of Nuclear Reactor
    Aqueous Solutions”, available from —~~PA—NTIS.
    2) HASL Procedure Manual
    ,
    HASL 300.
    c) For the purpose of monitoring radioactivity concentrations in
    drinking water, the required sensitivity of the radioanalysis is
    defined in terms of a detection limit. The detection limit must be
    that concentration which can be counted with a precision of plus or
    minus 100 percent at the 95 percent confidence level (1.96 sigma
    where sigma is the standard deviation of the net counting rate of the
    116—389

    -26-
    sample).
    1) To determine compliance with Section 611.330(a) the detection
    limit must not exceed 1 pCi,’L. To determine compliance with
    Section 611.330(b) the detection linlit must not exceed 3 pCi/L.
    2) To determine compliance with Section 611.331 the detection
    limits must not exceed the concentrations listed in that
    Secti on.
    d) To judge compliance with the MCLs listed in Sections 611.330 and
    611.331, averages of data must be used and must be rounded to the
    same number
    of
    significant figures as the MCL for the substance in
    question.
    BOARD NOTE: Derived from 40 CFR 141.25 (1989).
    (Source: Amended at 14 Ill. Peg.
    ,
    effective
    IT IS SO ORDERED
    I, Dorothy 11. Gum, Clerk of the Illinois Pollution Control Board, hereby
    certify that the above Opinion and Order was adopted on the~~~day
    of
    ~
    ,
    1990, by a vote
    of
    7—o
    Dorothy M. Guy4(Clerk
    A___
    Illinois PolY~ionControl Board
    116—390

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