ILLINOIS POLLUTION CONTROL BOARD
    May 5, 1994
    IN THE MATTER OF:
    )
    )
    CONTINGENCY MEASURES FOR
    )
    PM1O EMISSIONS:
    AMENDMENTS
    )
    R93-30
    TO 35 ILL.
    ADM.
    CODE
    )
    (Rulemaking)
    PARTS 106
    AND
    212
    )
    ProTosed Rule.
    Second Notice.
    OPINION
    AND
    ORDER OF THE BOARD
    (by J. Theodore Meyer):
    On December 30,
    1993, the Illinois Environmental Protection
    Agency
    (Agency) filed this proposal for rulemaking.
    The proposal
    represents one part of Illinois’ submittal of a complete state
    implementation plan (SIP).
    Pursuant to Section 182(a)
    of the
    Clean Air Act (CAA), as amended in 1990,
    Illinois was to adopt
    and submit its plan by November 15,
    1992.
    The proposal contains
    rules which would establish contingency measures to provide for
    additional reductions of PM1O’
    emissions for specific areas
    in
    the event that the United States Environmental Protection Agency
    finds a failure to attain the standard for PM1O.
    The proposed
    rules would effect sources located in areas defined as moderate
    nonattainment areas for PM1O:
    McCook and Lake Calumet Townships
    in Cook County, Granite City in Madison County, and a portion of
    Oglesby Township, LaSalle County.
    (See 35
    Iii.
    Adm. Code
    212.324(a) (1) and 212.423(a).)
    The proposal seeks to amend
    35
    Ill. Adm. Code 106 and 212.
    The Board’s responsibility in this matter arises from the
    Environmental Protection Act
    (Act).
    (415 ILCS 5/1 et
    seq.
    (1992).)
    The Board is charged by the Act to “determine,
    define,
    and implement the environmental control standards applicable in
    the state of Illinois.”
    (415 ILCS 5/5(b)
    (1992).)
    More
    generally, the Board’s rulemaking charge
    is based on the system
    of checks and balances integral to the Illinois environmental
    system:
    the Board has responsibility for the rulemaking and
    principal adjudicatory functions, while the Agency is responsible
    for carrying out the principal administrative duties.
    The
    Agency’s duties include administering the regulations that are
    proposed for adoption in this rulemaking.
    This proposal was filed pursuant to Section 28.5 of the
    Environmental Protection Act
    (Act).
    (415 ILCS 5/28.5
    (1992).)
    PM1O
    is defined as “particulate matter with an
    aerodynamic diameter less than or equal to a nominal ten
    micrometers.”
    (35 Ill.
    Adin.
    Code 211.4770.)

    2
    That section requires the Board to proceed with rulemaking under
    set time—frames.
    The Board has no discretion to adjust these
    time frames under any circumstances.
    Today the Board acts to
    send this proposal to second notice under the Illinois
    Administrative Procedure Act
    (APA).
    (5 ILCS 100/1005—40
    (1992).)
    PROCEDURAL
    HISTORY
    On January
    6,
    1994, the Board sent this proposal to first
    notice under the APA, without commenting on the merits of the
    proposal.
    The proposal was published in the Illinois Register on
    January 28,
    1994,
    at 18 Ill.Reg.
    959.
    A hearing was held on
    February 22,
    1994 in Chicago, Illinois.
    Previously—scheduled
    second and third hearings were cancelled pursuant to Section
    28.5(g)
    of the Act.
    (415 ILCS 5/28.5(g)
    (1992).)
    Pursuant to
    Section 28.5(1), the comment period closed on March 15,
    1994.
    On March
    17, 1994, the Agency filed a motion to correct the
    transcript.
    (PC #3.)
    That motion to correct is granted, and the
    motion setting forth the corrections will be attached to the
    transcript.
    PROPOSAL
    Section 172(c) (9) of the
    CAA
    requires Illinois to modify its
    SIP to include contingency measures for all moderate or worse
    PN1O nonattainment areas.
    (42 U.S.C. S7502(c)(9).)
    Contingency
    measures are regulations that provide for additional reductions
    of PM1O emissions for a specific area in the event there is a
    finding by the Administrator of USEPA of a failure to attain the
    National Ambient Air Quality Standard
    (NAAQS)
    for PN1O.
    The
    CAA
    requires that contingency measures be implemented without further
    regulatory action after a finding is issued.
    A notice of failure
    to attain may be issued by tJSEPA if it does not believe an area
    will attain the NAAQS by the
    CAA
    deadline,
    if the area fails to
    demonstrate attainment of the standard by the deadline, or if
    measured violations of the NAAQS occur after the attainment
    deadline.
    The statutory deadline for demonstrating attainment of
    the standard for PM1O is December 31,
    1994.
    (Tr.
    at 11-12; Exh.
    1;
    Statement of Reasons at 1_2.)2
    The Agency’s proposal has two purposes.
    First, the proposal
    is intended to satisfy the PM1O contingency requirements of the
    CAA
    by requiring specific actions should USEPA issue a notice of
    failure to attain the PM1O standard.
    Second, the proposal
    2
    For a section—by—section discussion of the Agency’s
    proposal, see the Agency’s Statement of Reasons at 15-18.
    Attachment A to Exh.
    1 is a flow chart describing the basic
    components of the contingency program.

    3
    includes procedures that attempt to prevent exceedences or
    violations of the P1410 standard.
    If exceedences are prevented,
    each nonattairnuent area can be redesignated to attainment, and
    the state would not be required to develop a SIP which would
    implement best available control technology
    (BACT)
    for
    P1410.3
    (Tr. at 12—14;
    Exh.
    1; Statement of Reasons at 5.)
    The proposal
    applies to four geographic areas:
    the Lake Calumet and McCook
    areas in Cook County, the Granite City area in Madison County,
    and a small portion of LaSalle County.
    The areas correspond to
    the areas regulated by the PM1O rules in 35 Ill.
    Adlu. Code
    212.324(a) (1) and 212.423(a).
    (Statement of Reasons at 5—6; Exh.
    1.)
    The proposed rules require all sources in the P1410
    nonattainment areas which have actual emissions of 15 tons per
    year
    (TPY)
    or more of PM1O
    (both fugitive and point) to submit
    contingency measure plans.
    Plans must be submitted to the Agency
    no later than November 15,
    1994.
    (PC #3.)
    The proposal includes
    three “legs”:
    1)
    controls are requested,
    but not required, when
    there are one or more exceedences of the 24—hour
    NAAQS
    for P1410,
    but prior to a violation of the NAAQS;
    2) controls are required
    when there is a violation of the NAAQS, but prior to the issuance
    of a notification of failure to attain the NA.AQS by USEPA; and
    3)
    controls are required when there is a finding of failure to
    attain the NAAQS.
    The first “leg”
    is intended to avoid a
    violation of the NAAQS.
    The second “leg”
    is intended to act as a
    buffer following a violation of the NAAQS, while the Agency
    attempts to demonstrate to USEPA that issuance of a “failure to
    attain”
    is not necessary.
    The third “leg”
    is necessary to
    satisfy the requirements of the CAA.
    (Exh.
    1; Statement of
    Reasons at 6.)
    Contingency plans must show controls at two levels.
    Level
    I
    measures must demonstrate total source—wide reductions of
    fugitive emissions of P1410 of at least 15,
    while Level
    II
    measures must demonstrate reductions of at least 25.
    A source
    may propose an alternative control plan which includes controls
    of any combination of fugitive emissions, process emissions,
    or
    fuel combustion emissions,
    subject to Agency and USEPA approval.
    Control of fugitive emissions of
    P1410 must be implemented within
    90 days following a finding of culpability by the Agency.
    (Exh.
    1; Statement of Reasons at 8.)
    If USEPA issues a notice of failure to attain the
    P1410
    standard, the state is required to submit a SIP revision
    implementing BACT for all sources in the area.
    (42 U.S.C.
    §75l3a(b) (1) (B).)

    4
    If there is an exceedence4 of the PM1O standard, the Agency
    will determine which sources are culpable, and request that those
    sources implement either Level
    I or Level II measures, depending
    upon the magnitude of the exceedance.5
    Implementation of
    controls at this stage is voluntary.
    (Exh.
    1; Statement of
    Reasons at 9-10.)
    If there is a violation of the standard, the
    Agency will identify and notify culpable sources, and require
    Level
    I or Level II measures.
    After the source implements
    sufficient controls to insure attainment,
    the Agency will contact
    USEPA and request that USEPA not issue a finding of failure to
    attain.
    The Agency intends to provide USEPA with proof that the
    causes of the exceedences and violation have been identified and
    corrected,
    and that there is therefore no need for USEPA to find
    a failure to attain.
    (Exh.
    1; Statement of Reasons at 10.)
    If
    USEPA does issue
    a finding of failure to attain,
    all sources in
    the area will be required to implement Level II controls within
    90 days of notification of that finding.
    The Agency would then
    develop a SIP imposing BACT, to be submitted to USEPA within 18
    months.
    (Exh.
    1; Statement of Reasons at 10.)
    If more than one source is determined to be culpable for an
    exceedance, those sources have the option to “trade” required
    reductions if those sources can demonstrate equivalent air
    quality benefits.
    This would allow one source to over-control,
    while allowing another source to under—control.
    (Exh.
    1;
    Statement of Reasons at 11.)
    PUBLIC COMMENTS
    The Board received public comments from the Department of
    Commerce and Community Affairs
    (DCCA)
    (PC #1), the City of
    Chicago (PC #2), the Agency
    (PC #3), the American Lung
    Association of Metropolitan Chicago
    (ALANC)
    (PC #4), and the
    Administrative Code Division of the Secretary of State
    (PC# 5).
    The Agency’s comments also include a letter from USEPA,
    commenting on the proposal.
    The Board has considered all public comments,
    as well as all
    An exceedance means that the numerical standard for
    P1410 has been reached, but that there are not a sufficient number
    of exceedences to be considered a violation of the standard.
    Normally, four exceedences of the 24—hour standard within a three
    year period would constitute a violation of the standard.
    (See
    40 CFR 50, Appendix K (1992).)
    The procedure for identifying culpable sources is set
    forth in proposed Section 212.702.
    The Agency’s determination of
    culpability is appealable to the Board pursuant to procedures set
    out in proposed Subpart J to 35 Ill.
    Adm. Code 106.

    5
    testimony and exhibits, in making its decisions in this matter.
    In general, there is little disagreement on the substance of the
    proposal.
    The Agency’s comments include a number of revisions to
    its proposal, addressing issues raised at hearing and USEPA’s
    comments.
    The Board has reviewed those recommended changes, and
    finds that the changes do address the issues raised.
    The City of Chicago supports the proposal, and believes that
    the rules establish reasonable methods of directly addressing the
    potential sources of emissions and encouraging those sources to
    reduce and prevent exceedences.
    (PC
    #
    2.)
    However, the City
    does have one area of concern regarding the provisions allowing
    trading between sources if more than one source contributed to an
    exceedance.
    The City questions whether the language of Section
    212.705 clearly states that sources may trade whether or not
    controls are requested (if there is an exceedance but no
    violation)
    or required
    (if there is a violation).
    The City
    supports trading, when appropriate, as part of sources’
    compliance strategies,
    and recommends that the section be
    clarified.
    The Board believes that the Agency’s recommended changes to
    Section 212.705 sufficiently address the City’s concern.
    The
    section, as modified in the Agency’s comments, allows for trading
    where the Agency determines that more than one source “is a
    contributing source pursuant to Section 212.702”.
    (PC #3,
    Attachment A.)
    Section 212.702 sets forth the procedures for
    determining which sources contribute to an exceedance or
    violation.
    The American Lung Association of Metropolitan Chicago
    (ALAMC)
    commented that P1410 contingency measures are especially
    important in light of likely revisions to the P1410 standard.
    (PC
    #4.)
    ALANC
    believes that there are three deficiencies to the
    rules:
    1) the rule controls fugitive P1410 emissions, but should
    also attempt to control fine particulates;
    2) mandatory measures
    should be taken after the first exceedance (unless it is an
    exceptional event),
    since the proposed rule calls for voluntary
    controls until a violation of the standard is determined; and 3)
    trading should be allowed only if it can be demonstrated that
    under—controlled sources emit average—sized particulate matter
    that is less dangerous than the average—sized particulate matter
    emitted by over—controlled sources.
    The Board is sensitive to
    the concerns raised by ALANC:
    however, we believe that the
    information submitted by ALANC is insufficient to allow us to
    revise the proposed rules.
    HEARING OFFICER ORDER
    On February 4,
    1994, the hearing officer issued an order
    raising several issues on proposed Subpart J of the Board’s Part
    106 procedural rules.
    That new subpart would provide procedures

    6
    for appeal of an Agency determination of culpability.
    The
    hearing officer order set forth several general questions, and
    included some suggested language changes.
    The Agency responded
    to those questions at hearing
    (Tr. at 47-53; Exh. 4), and has
    revised its proposal in accordance with its response.
    (PC #3,
    Attachment A at 3-5.)
    The Board accepts the changes to Subpart J proposed by the
    Agency, with one exception.
    In proposed Section 106.934, the
    Agency proposes that the Board issue its written opinion and
    order within 120 days after the filing of the petition for
    review.
    The hearing officer asked the Agency to address the
    statutory authority for establishing a decision deadline.
    The
    Agency states that there is no specific statutory authority, but
    that nothing in the Act would preclude the Board from
    establishing a deadline.
    The Agency argues that the concept of
    contingency measures is premised on quick implementation of the
    program.
    The Agency recognizes that sources have
    a right to
    review of Agency determinations,
    but emphasizes that any review
    must be accomplished very quickly.
    (Tr. at 52-53; Exh.
    4; PC #3
    at 7.)
    The Board will not impose a decision deadline on its actions
    in appeals from Agency culpability determinations.
    We recognize
    that speedy review is necessary in these cases,
    and we will take
    all necessary actions to ensure that decisions are reached as
    soon as practicable.
    However, we do not believe that it is
    necessary to impose a deadline.
    The Board’s commitment to making
    quick decisions in these appeals will accomplish the same result
    as imposing a procedural rule.
    We will take all necessary
    actions to ensure timely decision of these appeals.
    CONCLUSION
    The Board finds that the proposed rules are technically
    feasible and economically reasonable,
    and that the rules are
    necessary to meet the requirements of the Clean Air Act.
    We find
    that the record supports proceeding with the proposed rules,
    as
    amended, to second notice.
    In the interests of indicating which
    changes to the proposal have been made at second notice, we have
    chosen to follow the Agency’s suggestion by indicating revisions
    by highlighting (redlining).
    Appropriate underlining and
    strikeouts are included within that highlighting.
    ORDER
    The Board hereby proposes the following amendments to 35
    Ill.
    Adm. Code Parts 106 and 212.
    The amendments are to be
    submitted to the Joint Committee on Administrative Rules.
    TITLE 35:
    ENVIRONMENTAL
    PROTECTION
    SUBTITLE A:
    GENERAL
    PROVISIONS

    7
    CHAPTER
    I:
    POLLUTION CONTROL BOARD
    PART 106
    HEARINGS
    PURSUANT
    TO
    SPECIFIC
    RULES
    SUBPART
    A:
    HEATED
    EFFLUENT
    DEMONSTRATIONS
    Section
    106.101
    106. 102
    106.103
    106.104
    106.105
    106.106
    106. 107
    Petition
    Requirements
    for
    Petition
    Parties
    Recommendation
    Notice
    and
    Hearing
    Transcripts
    Opinion
    and
    Order
    SUBPART
    B:
    ARTIFICIAL
    COOLING
    LAXE
    DEMONSTRATIONS
    Section
    106.201
    106.202
    106.203
    106.204
    Section
    106.301
    106. 302
    106.303
    106. 304
    106.305
    106.306
    Section
    106. 401
    106.402
    106.403
    106.404
    106.405
    106.406
    106.407
    106.408
    106.410
    106.411
    106.412
    106.413
    106. 414
    106.415
    106.416
    Petition
    Notice
    and
    Hearing
    Transcripts
    Effective
    Date
    SUBPART
    C:
    SULFUR DIOXIDE DEMONSTRATIONS
    Petition
    Requirements for Petition
    Parties
    Recommendation
    Notice
    and
    Hearing
    Transcripts
    SUBPART
    D:
    RCRA
    ADJUSTED
    STANDARD
    PROCEDURES
    Petition
    (Repealed)
    Notice
    of
    Petition
    (Repealed)
    Recommendation
    (Repealed)
    Response
    (Repealed)
    Public
    Comment
    (Repealed)
    Public
    Hearings
    (Repealed)
    Decision
    (Repealed)
    Appeal
    (Repealed)
    Scope
    and
    Applicability
    Joint
    or
    Single
    Petition
    Request
    to
    Agency
    to
    Join as Co-Petitioner
    Contents
    of
    Petition
    Response
    and
    Reply
    Notice and Conduct of Hearing
    Opinions and Orders
    SUBPART
    E:
    AIR
    ADJUSTED
    STANDARD
    PROCEDURES

    8
    Section
    106.501
    106.502
    106. 503
    106.504
    106.505
    106.506
    106. 507
    Scope
    and
    Applicability
    Joint
    or
    Single
    Petition
    Request
    to
    Agency
    to
    Join
    As
    Co-Petitioner
    Contents
    of
    Petition
    Response
    and
    Reply
    Notice
    and
    Conduct
    of
    Hearing
    Opinions
    and
    Orders
    SUBPART
    F:
    WATER
    WELL
    SETBACK
    EXCEPTION
    PROCEDURES
    Scope
    and
    Applicability
    Contents
    of
    Petition
    Response
    and
    Reply
    Notice
    and
    Conduct
    of
    Hearing
    Opinions
    and
    Orders
    Section
    106.701
    106.702
    106.703
    106.704
    106.705
    106.706
    106.707
    106.708
    106.709
    106.710
    106.711
    106.712
    106.713
    106.714
    106.715
    106.801
    106.802
    106.803
    106. 804
    106.805
    106.806
    106.807
    106.808
    106.901
    106.902
    106.903
    106.904
    106.
    905
    106.906
    106.907
    Applicability
    Definitions
    Joint
    or
    Single
    Petition
    Request
    to
    Agency
    to
    Join
    As
    Co-Petitioner
    Petition
    Contents
    Petition
    Verification
    Federal
    Procedural
    Requirements
    Incorporated
    Material
    Motions
    Service
    of
    Filings
    Petition Notice
    Proof
    of
    Petition
    Notice
    Request
    for Public Hearing
    Agency
    Response
    Amended
    Petition
    and
    Amended
    Response
    Hearing Scheduled
    Hearing
    Notice
    Pre-Hearing
    Submission
    of
    Testimony
    and Exhibits
    Discovery
    Admissible
    Evidence
    Order
    of
    Hearing
    Post—hearing
    Comments
    Burden
    of
    Proof
    Board
    Deliberations
    Dismissal
    of
    Petition
    Board
    Decision
    Opinion
    and
    Order
    Appeal
    of
    Board
    Decisions
    Publication of Adjusted Standards
    Effect of Filing a Petition
    Section
    106.601
    106.602
    106.603
    106.604
    106.605
    SUBPART
    G:
    ADJUSTED
    STANDARDS
    SUBPART
    3:
    CULPABILITY DETERMINATIONS

    9
    Section
    106.930
    Applicability
    106.931
    Petition
    106.932
    Response and Reply
    106.933
    Notice and Hearing
    106.934
    Opinion and Order
    Appendix A:
    Old Rule Numbers Referenced
    AUTHORITY:
    Implementing Sections
    5,
    14.2(c),
    22.4,
    27, 28~and
    28.1,
    28.5 and 39.5 and authorized by Section~26 and 39.5 of the
    Environmental
    Protection
    Act,
    (415
    ILCS
    5/5,
    14.2(c),
    22.4,
    27,
    28,
    28.1,
    28.5,
    26
    and
    39.5).
    SOURCE:
    Filed
    with
    Secretary of State January
    1,
    1978;
    amended
    at 4
    Ill. Reg.
    2,
    p.
    186, effective December 27,
    1979; codified
    at
    6 Ill. Reg.
    8357;
    amended in R85—22 at 10
    Ill. Reg.
    992,
    effective February 2,
    1986;
    amended in R86-46 at 11 111.
    Reg.
    13457, effective August 4,
    1987; amended in R82—1 at 12 Ill. Reg.
    12484, effective July 13,
    1988;
    amended in R88—lO at 12 Iii. Reg.
    12817, effective July 21,
    1988; amended in R88-5(A) at
    13 Ill.
    Reg.
    12094,
    effective July 10,
    1989; amended in R88—5(B) at 14
    Ill.
    Reg. 9442,
    effective June 5,
    1990;
    amended in R93—30 at 18
    Ill.
    Reg.
    ____,
    effective
    ________________
    NOTE:
    Capitalization
    denotes
    statutory language.
    SUBPART
    3:
    CULPABILITY
    DETERMINATIONS
    Section
    106.930
    Applicability
    TI~eprovisions of this Subpart shall apply to any proce~dincj
    appeal initiated by an owner or operator of a
    sour~pürsüant
    to
    a
    finding
    of
    culpability
    bY
    the
    lii~h~i
    Agenc~jAaencv~ under
    35
    Ill
    Adm
    Code
    212
    702
    ünd
    21~ 705
    (Source:
    Added
    at
    18
    Ill.
    Reg.
    _____,
    effective
    _____________)
    Section
    106.931
    Petition
    for
    Review
    ~j
    A
    proceeding
    brought under this Subpart shall be
    commenced
    by
    the owner or operator of
    a source by
    øervinct. a. petition unon.. the..A~en~v.
    ~nd filing
    ~
    the
    oric~ina1and nine copies of a Detition for review with
    the Clerk of the Pollution Control Board
    (Boardi.
    The
    ~,etitionershall serve one coøy of the Detition for
    review, upon the. AcTency.
    ~
    Geneta1 filing
    arid practice rules are set forth
    in
    3
    Xli. Mm.
    Code
    .101.
    A petition Lor review filed pursuant to this Subpart
    shall include, but need not be limited to: ~ dothiled
    ~o~oription of ‘~tnd1u~tifioationfor th~
    eouroo’r~

    10
    ~
    •~‘
    ~
    •“
    ~
    .
    ~
    ~
    tZ~!1~
    ~
    g~de
    2~~‘7~S
    ~,
    flpr~o~e~’
    ~or
    Th
    ‘~
    “~‘
    ~
    ..~.~
    .
    ~
    .
    ~
    .
    ~ .
    ,..
    ~
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    1~
    I~11~111If
    ~It
    w~i~1t~ie
    ~
    so
    e~eot~o~t~t~th*~eney’s
    fi~t~in~
    o~
    (Source:
    Added
    at
    18
    Ill.
    Reg.
    _____,
    effective
    ____________)
    Section 106.932
    Response and Re~lv
    ~j.
    The Aaencv
    1~~’
    file a response to p petition
    appealina
    a~””d’.é’term
    ination of culpability within 21 days
    after service of the petition.
    ~
    ~ flto~ot~nu~
    ietitioner may file a re~lvwithin 7 days after the
    ~
    f~1~~?1~e
    of any response by the A~encv
    (Source:
    Added
    at
    18
    Ill.
    Reg.
    _____,
    effective
    _____________)
    Section 106.933
    Notice and Hearing
    ~
    ~‘
    ~
    ~
    ~..‘:
    :‘~‘~.“~‘~:‘
    :‘~!“!“i’~~I~!!
    b~tt
    h
    anY bê~’s~h
    may
    w
    tb t
    ~
    of
    the
    ~
    ~
    Ir
    i~M~
    1~
    ~
    ~
    ~
    I
    The
    Clerk
    0E
    ~ieBoarà shall aive notice of the p~it~on
    ~
    hearina
    in
    accordance
    with
    35
    Ill
    Adm
    Code
    103
    The
    proceedina shall be conducted in accordance
    with
    35
    Ill.
    Adm.
    Code
    103.
    ~
    The
    burden
    of
    proof
    in
    e~~n~s
    àt~ea1s
    ~reuant
    to
    this
    Stib~artis ~i~I~1
    ~e
    on
    the
    petitioner
    (Source:
    Added at 18 Ill. Reg.
    _____,
    effective
    _____________)
    Section 106.934
    Opinion and Order

    1.
    Tbe
    Board
    Eih~~I
    iii
    is sue,,,,,,a
    written
    opinion
    and
    order
    Wi’”~’~~t’I
    ~
    ~l~tg o~t~tp~t4~~on
    that sets forth the Board’s
    decision
    and
    sup~ortina
    rationale.
    (Source:
    Added
    at
    18
    Ill.
    Reg.
    _____,
    effective
    TITLE 35:
    ENVIRONMENTAL
    PROTECTION
    SUBTITLE B:
    AIR POLLUTION
    CHAPTER I:
    POLLUTION CONTROL
    BOARD
    SUBCHAPTER
    c:
    EMISSION
    STANDARDS
    AND
    LIMITATIONS FOR STATIONARY SOURCES
    PART 212
    VISIBLE AND PARTICULATE MATTER EMISSIONS
    SUBPART A:
    GENERAL
    )
    Section
    212
    100
    212.
    107
    212.108
    212.109
    212 .110
    212
    111
    212.112
    212.113
    Section
    212
    121
    212. 122
    212.123
    212. 124
    212.125
    212.126
    Section
    212.181
    212. 182
    212. 183
    212.184
    212.185
    Section
    212.201
    Scope and Organization
    Measurement Method for Visible Emissions
    Measurement Methods for P14-10 Emissions
    Measurement Methods for Opacity
    Measurement Methods
    Abbreviations and Units
    Definitions
    Incorporations by Reference
    SUBPART
    B:
    VISIBLE EMISSIONS
    Opacity Standards
    Limitations for Certain New Sources
    Limitations for All Other Sources
    Exceptions
    Determination
    of Violations
    Adjusted Opacity Standards Procedures
    SUBPART
    D:
    PARTICULATE MATTER EMISSIONS
    FROM INCINERATORS
    Limitations
    for
    Incinerators
    Aqueous Waste Incinerators
    Certain Wood Waste Incinerators
    Explosive Waste Incinerators
    Continuous Automatic Stoking Animal Pathological Waste
    Incinerators
    SUBPART
    E:
    PARTICULATE MATTER EMISSIONS
    FROM FUEL COMBUSTION EMISSION SOURCES
    Existing Sources Using Solid Fuel Exclusively Located

    12
    in the Chicago
    Area
    212.202
    Existing Sources Using Solid Fuel Exclusively Located
    Outside the Chicago Area
    212.203
    Existing Controlled Sources Using Solid Fuel
    Exclusively
    New Sources Using Solid Fuel Exclusively
    Existing Coal-fired Industrial Boilers Equipped with
    Flue Gas Desulfurization Systems
    Sources Using Liquid Fuel Exclusively
    Sources Using More Than One Type of Fuel
    Aggregation of Existing Sources
    Village of Winnetka Generating Station
    Emissions Limitations For Certain Fuel Combustion
    212.206
    212.207
    212.208
    212.209
    212.210
    Section
    212.301
    212.302
    212.
    304
    212.305
    212.306
    212.307
    212.308
    212 .309
    212.310
    212.312
    212.313
    212.314
    212.315
    212.316
    Section
    212.321
    212.322
    212.323
    212.324
    Section
    212.361
    212.362
    Section
    212.381
    Emission Sources Located in the Vicinity of Granite
    City
    SUBPART K:
    FUGITIVE PARTICULATE MATTER
    Fugitive Particulate Matter
    Geographical Areas of Application
    Storage Piles
    Conveyor Loading Operations
    Traffic Areas
    Materials Collected by Pollution Control Equipment
    Spraying or Choke-Feeding Required
    Operating
    Program
    Minimum Operating Program
    Amendment to Operating Program
    Emission Standard for Particulate Collection Equipment
    Exception for Excess Wind Speed
    Covering for Vehicles
    Emission Limitations for Sources in Certain Areas
    SUBPART L:
    PARTICULATE
    MATTER EMISSIONS
    FROM PROCESS EMISSION SOURCES
    New Process Sources
    Existing
    Process
    Sources
    Stock
    Piles
    Process Emission Sources in Certain Areas
    SUBPART N:
    FOOD MANUFACTURING
    Corn Wet Milling Processes
    Sources
    in Certain Areas
    SUBPART 0:
    PETROLEUM REFINING,
    PETROCHEMICAL AND CHEMICAL
    MANUFACTURING
    212.
    204
    212.205
    Catalyst Regenerators of Fluidized Catalytic Converters

    13
    Section
    212.421
    212.422
    212.423
    SUBPART
    Q:
    STONE,
    CLAY,
    GLASS
    AND
    CONCRETE
    MANUFACTURING
    New Portland Cement Processes
    Portland Cement Manufacturing Processes
    Emission Limits for the Portland Cement Manufacturing
    Plant Located in LaSalle County, South of the Illinois
    River
    212.424
    Fugitive Particulate Matter Control for the Portland
    Cement Manufacturing Plant and Associated Quarry
    Operations Located in LaSalle County,
    South of the
    Illinois River
    212.425
    Sources in Certain Areas
    SUBPART
    R:
    PRIMARY
    AND
    FABRICATED
    METAL
    PRODUCTS
    AND
    MACHINERY
    MANUFACTURE
    Section
    212.441
    212
    442
    212.443
    212.444
    2 12.445
    212.446
    212.447
    212.448
    212.449
    212. 450
    212.451
    212.452
    212.455
    212.456
    212 .457
    212.458
    Section
    212.461
    212.462
    212.463
    212.464
    Section
    212.681
    Steel Manufacturing Processes
    Beehive Coke Ovens
    By Product Coke Plants
    Sinter Processes
    Blast Furnace Cast Houses
    Basic Oxygen Furnaces
    Hot Metal Desulfurization Not Located in the BOF
    Electric
    Arc
    Furnaces
    Argon—Oxygen Decarburization Vessels
    Liquid Steel Charging
    Hot Scarfing Machines
    Measurement Methods
    Highlines on Steel Mills
    Certain Small Foundries
    Certain Small Iron—melting Air Furnaces
    Sources in Certain Areas
    SUBPART S:
    AGRICULTURE
    Grain Handling and Drying in General
    Grain Handling Operations
    Grain Drying Operations
    Sources in Certain Areas
    SUBPART T:
    CONSTRUCTION
    AND
    WOOD PRODUCTS
    Grinding, Woodworking, Sandblasting and Shotblasting
    SUBPART U:
    ADDITIONAL CONTROL
    MEASURES
    Section
    212.700
    212.703.
    Applicability
    Contingency Measure Plans.
    Submittal and Compliance

    14
    Date
    212.702
    Determination of Contributing Sources
    212.703
    Contingency Measure Plan Elements
    212 .704
    Implementation
    212.705
    Alternative Implementation
    212.Appendix A Rule into Section Table
    2l2.Appendix B Section into Rule Table
    212.Appendix C Past Compliance Dates
    212.Illustration A: Allowable Emissions from Solid Fuel
    Combustion Emission Sources Outside Chicago
    2l2.Illustration B: Limitations for all New Process Emission
    Sources
    212.Illustration
    C: Limitations for all Existing Process Emission
    Sources
    212.Illustration
    D: McCook Vicinity Map
    2l2.Illustration
    E:
    Lake
    Calumet
    Vicinity
    Map
    212.Illustration F: Granite City Vicinity Map
    AUTHORITY:
    Implementing Section 10 and authorized by Section 27
    and 28.5 of the Environmental Protection Act (415 ILCS 5/10,27
    and 28.5.
    SOURCE:
    Adopted as Chapter 2:
    Air Pollution,
    Rules 202 and 203:
    Visual and Particulate Emission Standards and Limitations,
    R71-23,
    4 PCB 191,
    filed and effective April
    14,
    1972; amended in
    R77-15,
    32 PCB 403,
    at
    3 Ill. Reg.
    5,
    p. 798, effective February
    3,
    1979; amended in R78—lO,
    35 PCB 347, at 3 Ill. Reg.
    39,
    p.
    184, effective September 28,
    1979;
    amended in R78-11,
    35 PCB 505,
    at
    3
    Ill.
    Reg. 45,
    p.
    100, effective October 26,
    1979; amended in
    R78-9,
    38
    PCB
    411,
    at
    4
    Ill.
    Reg. 24,
    p.
    514, effective June 4,
    1980; amended in R79—ll,
    43 PCB 481, at 5
    Ill. Reg.
    11590,
    effective October 19,
    1981; codified at 7
    Ill. Reg.
    13591;
    amended in R82-l
    (Docket A),
    10 Ill. Reg.
    12637,
    effective July
    9,
    1986; amended in R85—33 at 10 Ill. Reg.
    18030, effective
    October
    7,
    1986; amended in R84-48 at 11 Ill. Reg.
    691, effective
    December 18,
    1986; amended in R84—42 at 11 Ill. Reg.
    1410,
    effective December 30,
    1986; amended in R82-l
    (Docket B)
    at
    12
    Ill. Reg.
    12492, effective July 13,
    1988; amended in R91-6 at 15
    Ill.
    Reg.
    15708,
    effective
    October
    4,
    1991;
    amended in R89-7(B)
    at
    15 Ill.
    Reg.
    17710, effective November 26,
    1991;
    amended in
    R9l-22 at 16 Ill. Reg.
    7880, effective May 11,
    1992; amended in
    R9l—35 at 16 Ill. Reg.
    8204, effective May 15,
    1992; amended in
    R93-30 at 18 Ill. Reg.
    ____,
    effective
    _______________
    PART 212
    VISIBLE
    AND PARTICULATE MATTER MEASURES
    SUBPART A:
    GENERAL
    Section 212.113
    Incorporations by Reference
    The following materials are incorporated by reference.
    These

    15
    incorporations do not include any later amendments or editions.
    a)
    Ringelmann
    Chart,
    Information
    Circular
    833
    (Revision of
    1C7718),
    Bureau of Mines, U.S. Department of Interior,
    May 1,
    1967.
    b)
    40
    CFR
    60,
    Appendix
    A
    (1991):
    1)
    Method
    1:
    Sample and Velocity Traverses for
    Stationary Sources;
    2)
    Method 1A:
    Sample and Velocity Traverses for
    Stationary Sources with Small Stacks or Ducts;
    3)
    Method
    2:
    Determination of Stack Gas Velocity and
    Volumetric Flow Rate
    (Type S pitot tube);
    4)
    Method 2A:
    Direct Measurement of Gas Volume
    Through Pipes and Small Ducts;
    5)
    Method 2C:
    Determination of Stack Gas Velocity
    and Volumetric Flow Rate in Small Stacks or Ducts
    (Standard Pitot Tube);
    6)
    Method 2D:
    Measurement of Gas Volumetric Flow
    Rates
    in
    Small
    Pipes
    and
    Ducts;
    7)
    Method
    3:
    Gas
    Analysis for Carbon Dioxide,
    Oxygen,
    Excess Air, and Dry Molecular Weight;
    8)
    Method
    4:
    Determination of Moisture Content in
    Stack Gases;
    9)
    Method
    5:
    Determination of Particulate Emissions
    From Stationary Sources;
    10)
    Method 5A:
    Determination of Particulate Emissions
    From the Asphalt Processing and Asphalt Roofing
    Industry;
    11)
    Method 5D:
    Determination of Particulate Matter
    Emissions From Positive Pressure Fabric Filters;
    12)
    Method
    SE:
    Determination of Particulate Emissions
    From the Wool Fiberglass Insulation Manufacturing
    Industry;
    13)
    Method
    9:
    Visual Determination of the Opacity of
    Emissions from Stationary Sources;
    14)
    Method 22:
    Visual Determination of Fugitive
    Emissions from Material Sources and Smoke
    Emissions from Flares.

    16
    c)
    40
    CFR
    51
    Appendix
    M
    (1990):
    1)
    Method 201:
    Determination of P14-10 Emissions;
    2)
    Method 2OlA:
    Determination of
    P14-10
    Emissions
    (Constant Sampling Rate Procedures).
    d)
    40 CFR 60.672(b),
    (c),
    (d) and
    (e)
    (1991).
    e)
    40
    CFR
    60.675(c)
    and
    (d)
    (1991).
    f)
    ASAE Standard 248.2, Section
    9, Basis for Stating
    Drying Capacity of Batch and Continuous-Flow Grain
    Dryers, American Society of Agricultural Engineers,
    2950 Niles Road,
    St.
    Joseph, MI 49085.
    g)
    U.S. Sieve Series, ASTM-E1l, American Society of
    Testing Materials,
    1916 Race Street, Philadelphia, PA
    19103.
    h)
    55 Fed. Reg.
    41546,
    (October
    12,
    1990), Method 202:
    Determination of Condensible Particulate Emissions from
    Stationary Sources.
    i)
    Standard Methods for the Examination of Water and
    Wastewater, Section 209C,
    “Total Filtrable Residue
    Dried at 103
    -
    105°C,”15th Edition,
    1980, American
    Public Health Association 1015 Fifteenth Street,
    N.W.,
    Washington, D.C.
    20005.
    iI
    “Guideline on the Identification and Use of Air Quality
    Data Affected by Exceptional Events.” U.S.
    Environmental Protection Agency, Office of Air and
    Radiation.
    Office of Air Oualitv Planning and Standards
    Monitoring and Data Analysis Division, Research
    Triangle Park.
    N.C. 27711
    EPA—450/4—86.007 July 1986.
    ~j
    “Guideline on Air Quality Models
    (Revised)”; U.S.
    Environmental Protection Agency, Office of Air quality
    Planning and Standards. Research Triangle Park.
    N.C.
    27711. EPA—450/2—78—027R July 1986.
    fl
    40
    CFR
    50. Appendix K
    (1992),
    “Interpretation of the
    National Ambient Air quality Standard for Particulate
    Matter”.
    (Source:
    Amended at 18 Ill. Reg.
    _____,
    effective
    ____________)
    SUBPART U:
    ADDITIONAL CONTROL MEASURES
    Section 212.700
    Applicability
    ~J.
    This Subpart shall a~~lvto those sources in the areas
    designated
    in
    and
    subiect
    to
    Sections
    212.324(a)
    (1)
    or

    17
    212.423(a) and
    that
    have
    actual
    annual source—wide
    emissions of
    P14-10 of at least fifteen
    (15) tons per
    year.
    ~j
    A source’s actual annual source—wide emissions of PM—b
    shall be the total of its fugitive emissions and its
    emissions from process emission units and fuel
    cóm~ustionemission units and as set forth in the
    source’s Annual Emissions Report submitted pursuant to
    35 III
    Adm
    Code 254’~~
    ~
    ~
    II~
    ~
    hi
    ~
    ~
    ~:,
    ::~
    :Ofl.
    (Source:
    Added at
    18 Ill. Reg
    effective
    ____________)
    Section 212.701
    Continaency Measure Plans. Submittal and
    Compliance Date
    ~j
    Those sources subiect to this Subpart shall prepare
    contingency measure clans reflecting the P14—10 emission
    reductions set forth in Section 212.703 of this
    Subpart.
    These glans shall become federally
    enforceable permit conditions.
    Such plans shall be
    submitted to the Aaency by November
    15,
    1994.
    Notwithstanding the foregoing,
    sources that become
    subiect to the provisions of this Subpart after July
    1.
    1994, shall submit a continaencv measure elan to the
    Aaencv for review and approval within ninety
    (90) days
    after the date such source or sources became subiect to
    the provisions of this Subpart
    ~r ~v
    november 15.~1994W
    The Aaency shall notify those
    sources requiring contingency measure plans. based on
    the Agency’s current information; however, the Agency’s
    failure_to notify any source of its reciuirement to
    submit contingency measure plans shall not be a defense
    to a violation of this Subpart and shall not relieve
    the source of its obligation to timely submit a
    contingency measure plan.
    ~
    If the Agency disapproves the initial submittal of
    a
    contingency measure plan or a source fails to revise
    a
    plan so that it is approvable. the Aaency shall
    so
    notify the source in writing and the source may treat
    such notice as a permit denial.
    gj
    Sources havina operational chanaes subiect to Sections
    212.304,
    212.305. 212.306,
    212.308.
    212.316(a) through
    (e). 212.424 or 23.2.464 which require either a new
    permit or a revision to an existing permit,
    shall.
    within 30 days of such changes, submit a request to
    modify its permit in order to include a new.
    a~~ropriatecontingency measure plan.
    Such new plan
    shall
    be sub-lect to the requirements of this Subpart.

    18
    ~j
    A source may. consistent with the requirements of this
    Subpart and any applicable permittina reauirements,
    propose revisions to its contingency measure plan.
    (Source:
    Added at 18 Ill. Reg.
    _____,
    effective
    ___________)
    Section 212.702
    Determination of Contributing Sources
    ~j
    If the review of monitoring data reveals an exceedence
    of
    the
    24-hour
    ambient
    air
    quality
    standard
    for
    P14-10
    found at 35
    Ill.
    Adm. Code 243.120. the Agency shall
    attempt to determine the source or sources causing or
    contributing to the exceedence.
    ~
    In determining whether a source has caused or
    contributed to an exceedence of the 24—hour ambient air
    quality standard for P14-10. the Aaencv may take
    whatever steps as are necessary to determine which
    source or sources are culpable for the exceedence,
    including, but not limited to:
    fl
    Evaluating whether the exceedence can be
    classified as an “exceptional event” pursuant to
    the “Guideline on the Identification and Use of
    Air Quality Data Affected by Exceptional Events.”
    incorporated by reference
    in Section
    212.113
    of
    this Part
    21
    Reviewing operating records of the source or
    sources identified pursuant to subsections
    (b) (3)
    and
    (b) (4) below to determine whether any source
    or sources so identified experienced a malfunction
    or breakdown or violated any term or condition of
    its operating permit which contributed to the
    exceedence
    3j
    Evaluating the monitoring equipment filter
    evidencing
    the
    exceedence to determine the tv~es
    of sources that contributed to the exceedence;
    and
    ~j
    Evaluating meteorological data and conducting
    dispersion
    analyses
    pursuant to the “Guideline on
    Air Quality Models
    (Revised)
    .“
    incorporated by
    reference in Section 212.113 of this Part,
    to
    determine which source or sources caused or
    contributed to the exceedence.
    ~j
    If the Agency determines that the exceedence can be
    classified as an exceptional event, the A~encvshall
    make a written request to USEPA to void the exceedence.
    If the exceedence has been caused bY an “exceptional
    event,” the Agency shall make no reauests upon any
    source for Level
    I or Level II controls pursuant to
    Section 212.704(a)
    or
    (b) of this Subpart until such

    19
    time as USEPA has denied the Agency’s reauest to void
    the exceedence or until an additional exceedence of the
    24-hour ambient air quality standard which is not due
    to
    an
    exceptional
    event.
    as
    determined
    by
    the
    AgencV~
    has been monitored for the same area.
    ~j
    If the AgencY determines that the
    exceedence
    was
    due
    to
    a malfunction or breakdown or violation of any term or
    condition of a source’s operating Permit, the Aaencv
    shall_contact such source and may pursue appropriate
    action
    under
    35
    Ill.
    Adm.
    Code
    103.
    ~!rc~r.~
    ~4
    a
    e~1a1~e
    ~
    ~
    ~
    ~
    (Source:
    Added at 18 Ill.
    Reg.
    _______,
    effective
    ___________)
    Section 212.703
    Contingency Measure Plan Elements
    ~
    All sources
    subject
    to
    this
    Subpart
    shall
    submit
    a
    contingency measure
    elan.
    The
    contingency
    measure
    Plan
    shall
    contain
    two
    levels
    of
    control
    measures:
    fl.
    Level
    I
    meas
    res
    are
    measures
    that
    will
    reduce
    total ~“:“t~’1*”~flU~a
    ~“~“~I
    source—wide fugitive emissions
    of P14-10 sUbléct to control under Sections
    212.304. 212.305. 212.306.
    212.308,
    212,316(a)
    through
    (el. 212.424 or 212.464 bY at least 15.
    21
    Level urn asure
    are measures that will reduce
    total
    ~
    source—wide fugitive emissions
    of P14-10
    si~th’iéc’t
    tO control under Sections
    212.304.
    212.305.
    212.306.
    212.308,
    212.316(a)
    throuah
    (e). 212.424 or 212.464 by at least 25.
    ~j
    A source may
    ~
    with this Subpart
    ~( ~
    ~hro~h
    ~n alternative
    a~~e~?~d
    ~t~
    hI~a~
    ~t~d
    which
    has been a~~rovedby the Agency and tJS~PAas federally
    enforceable Permit conditions.
    If a source elects to
    include controls on process emission units.
    fuel
    combustion emission units, or other fugitive emissions
    of PM—b
    not subiect to Sections 212.304. 212.305.
    212.306.
    212.308. 212.316(a) throuah
    (el. 212.424 or
    212.464 at the source in its alternative control elan.
    the plan must include a reasonable schedule for
    implementation of such controls, not to exceed two
    (2)
    years.
    This implementation schedule is subiect to
    A~encvreview and approval.
    (Source:
    Added at
    18 Ill.
    Reg.
    _____,
    effective
    __________)

    20
    Section 212.704
    Im~1ementation
    ~J.
    Followina any exceedence of the 24—hour ambient air
    aualitv standard for P14-10. the Aaencv shall notify the
    source or sources the Aaencv has identified as likely
    to be causing or contributing to an exceedence detected
    by monitoring.
    Within ninety
    (90) days of receipt of
    such notification. each source so notified may
    implement Level
    I or Level
    ~
    measures, as determined
    pursuant to subsection (d)~.~
    below.
    ~
    If there
    is a violation of the ambient air quality
    standard for PM-b
    as determined in accordance with 40
    CFR Part 50. Appendix K. incorporated by reference in
    Section 212.113 of this Part. the Aaencv shall notify
    the source or sources the Agency has identified as
    likely to be causing or contributing to one or more of
    the exceedences leading to such violation, and such
    source or sources shall implement Level
    I or Level II
    measures. as determined pursuant to subsection
    below.
    The source or sources so identified
    11~i11implement such measures corresponding to fugitive
    emissions within ninety
    (90) days of receipt of such
    notification and shall implement such measures
    corresponding to any nonfugjtive emissions according to
    the a~~rovedschedule set forth in such source’s
    alternative control plan.
    AnY source identified as
    causing or contributing to a violation of the ambient
    air quality standard for P14-10 may appeal any finding
    of culpability by the Aaencv to ~
    pursuant to
    cb~t
    3
    af~-35Ill Adm
    Code 106~U.bpart3
    ci
    UPon the finding of a failure to attain by
    the
    Administrator of USEPA.
    the Aaencv shall notify all
    sources in the applicable area required to submit
    contingency measure plans pursuant to Section 212.700
    çf
    this S~ibpartof sucl~fjndin9 by ~he Administrator:
    :
    ~
    s4~art,
    and
    ~i
    ~
    t~e1i~~ve~&a
    ~ur~
    ~c4~
    a~ts
    ~
    hi~11~~~
    ~
    All
    suc
    sources subiec
    o
    is ~u part sha
    .
    within
    daYs of receipt of such
    notification.
    implement
    any
    Level
    II
    measures
    correspondina to fugitive emissions subiect to control
    under Sections 212.304. 212.305.
    212.306. 212.308,
    212.316(a)
    throuah
    (e).
    212.424 or 212.464 and shall
    implement any Level
    II measures corresponding to any
    nonfugjtive emissions of P14—10 according to the
    approved schedule set forth in such source’s
    alternative
    control
    plan,
    unless
    such
    corresPonding
    Level II controls have been previously implemented by

    21
    such
    source
    or sources Pursuant to subsection
    (a)
    or
    (b)
    above.
    ~j
    The Aaencv sha1
    1. request
    ~
    Level
    I or Level II measures
    uç~o1an~pursuant to subsection
    a
    aDove as
    follOws
    fl
    Level
    I measures shall be requested when the
    magnitude of
    the
    monitored
    exceedence
    at
    a
    given
    air çniality monitor is less than or
    eaual
    to 170
    ug/m~.
    21
    Level II measures shall be reanested when the
    magnitude of the monitored exceedence at a given
    air quality monitor exceeds 170
    ug/m3.
    ~i
    The Acrencv shall require ~
    ~jLevel
    ~
    or
    Level
    II
    ~ueasures
    pursuant
    to
    subsection
    as
    jJ
    Level
    I measures shall be required when the design
    value of a violation of the 24—hour ambient air
    anality
    standard,
    as
    computed
    pursuant
    to
    40
    CFR
    50, ~ppendix K. incorporated by reference in
    Section 212.113 of this Part.
    is less than or
    equa~ to
    170
    ucilm3.
    21
    Level II measures shall be required when the
    design
    value
    of
    a violation of the 24—hour ambient
    air
    auality
    standard,
    as
    computed pursuant to 40
    CFR 50. Appendix K. incorporated by reference in
    Section 212.113 of this Part,
    exceeds 170
    ucr/m3.
    (Source:
    Added at 18
    Ill.
    Reg.
    _____,
    effective
    __________)
    Section
    212.705
    Alternative Implementation
    should the Aaency determine that more than one source
    ~
    *~sn~i$bed~e t1~et~p1~e~entat~.on
    ~
    ~
    ~
    ~pU4~e
    of
    this Subpart.
    The
    Aaencv
    may
    controls
    from fewer than all of the sources identified as
    culpable where
    greater
    than
    the
    required
    levels
    of
    control
    for
    all culpable sources are achieved at some of the culPable
    sources.
    ~j
    For the purposes of this Section, an “identified
    source”
    is
    a source determined to be culpable for an
    exceedence of the 24—hour ambient air quality standard.
    ~.
    For the purPoses of this Section,
    a “participating
    source”
    is another source that is also identified as

    22
    culpable bY the Agency for the monitored exceedence.
    ci
    For_the purposes of this Section. “equivalent air
    ~ualitv benefits” shall be determined by conducting one
    or more dispersion analyses in accordance with the
    “Guideline on Air Quality Models
    (revised),”
    incorporated by reference in Section 212.113 of this
    Part.
    ~j.
    An identified source may elect to achieve compliance
    with
    the
    provisions
    of
    this
    Subpart
    by
    obtaining
    eauivalent air aualitv benefits from P14—10 emissions
    reductions by a partici~atinasource as would be
    achieved at the identified source.
    provided, however,
    that_the P14-10 emissions reductions to be achieved by
    the partici~atinasource under this Section are in
    addition to any other obligation it may have under this
    Subpart to reduce P14—10 emissions.
    ~j
    If an identified source elects to rely p~this Section
    to demonstrate compliance with this Subpart. the
    identified source must:
    fl
    Demonstrate to the Aaencv that it will achieve
    equivalent air quality benefits from P14-10
    emission reductions at the ~prticipptina source as
    would be achieved from the identified source
    subiect to this Subpart
    2...
    The
    P14-10 emissions reductions from the
    participating source that the identified source is
    rely4na upon to demonstrate compliance with this
    Subpart must be reflected as federally enforceable
    permit conditions of the participating source’s
    permit
    ~j.
    The
    participating
    source
    implements any emissions
    reductions for fugitive emissions of P14—10 within
    ninety
    (90) dave after the identified source would
    have been required to implement Level I or Level
    II
    measures
    pursuant
    to
    this
    Subpart:
    and
    iL
    The
    participating
    source
    submits
    a
    reasonable
    schedule for implementation of any P14—10 emission
    reductions from controls on process emission
    units,
    fuel combustion emission units, or other
    fugitive emissions of PM—b
    at the particiPating
    source
    not subject to control under Sections
    212.304,
    212.305.
    212.306.
    212.308,
    212.316(a)
    through
    (e), 212.424 or 212.464. not to exceed two
    (2)
    Years from the date of notification to the
    identified source that Level
    I or Level II
    measures.
    as appropriate. are required.

    23
    (Source:
    Added at 18
    Ill. Reg.
    _____,
    effective
    ___________)
    IT IS SO ORDERED.
    I, Dorothy
    14.
    Gunn, Clerk of the Illinois Pollution Control
    Board, hereby certify that the above opinion and order was
    adopted on the
    ..5~tZ
    day of
    _______________,
    1994,
    by a vote
    of
    ~
    O.
    ~
    ~.
    Dorothy M.,~unn,Clerk
    Illinois P~llutionControl Board

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