ILLINOIS POLLUTION CONTROL BOARD
    October 2, 1997
    IN THE MATTER OF:
    EMISSIONS REDUCTION MARKET
    SYSTEM ADOPTION OF 35 ILL. ADM.
    CODE 205
    )
    )
    )
    )
    )
    R97-13
    (Rulemaking - Air)
    Proposed Rule. Second Notice.
    OPINION AND ORDER OF THE BOARD (by K.M. Hennessey, J. Yi, and M.
    McFawn):
    This matter is before the Board pursuant to a rulemaking proposal filed by the
    Illinois Environmental Protection Agency (IEPA) on October 7, 1996. IEPA's
    rulemaking proposal adds 35 Ill. Adm. Code 205 to the Board’s current regulations.
    The proposed rule creates an emissions reduction market system (ERMS) in order to
    reduce emissions of volatile organic material (VOM) in the Chicago area. IEPA
    believes that the ERMS is a cost-effective way to achieve these reductions, which are
    required by the federal Clean Air Act (CAA), 42 U.S.C. §§ 7401 through 7671q
    (1997), and certain directives of the United States Environmental Protection Agency
    (USEPA). The Board agrees and today sends this proposed rule to second notice.
    In this second notice opinion and order, the Board sets forth the background for
    the proposed rule; a summary of the rulemaking proceedings to date; a summary of the
    proposed rule; a summary of the issues decided in this opinion and order; a discussion
    of those issues; and the order setting forth the rule, with revisions from first notice
    marked. This opinion and order addresses only issues that need resolution, or issues on
    which the Board has substantively changed the rule from first notice. Readers seeking
    a more comprehensive overview of the rule should consult the first notice opinion and
    order. See Emissions Reduction Market System Adoption of 35 Ill. Adm. Code 205
    and Amendments to 35 Ill. Adm. Code 106 (ERMS) (July 10, 1997), R97-13.
    BACKGROUND
    IEPA's proposal is before the Board as a result of the CAA and corresponding
    federal regulations. Section 109 of the CAA, 42 U.S.C. § 7409 (1996), requires
    USEPA to establish national primary and secondary ambient air quality standards
    (NAAQS). USEPA promulgated a NAAQS for ozone at 40 C.F.R. § 50.9 (1996) that
    the Chicago area does not meet. As a result, USEPA designated the Chicago area as a
    severe ozone nonattainment area pursuant to Section 107 of the CAA, 42 U.S.C. §

    2
    7407 (1996).
    1
    Section 181 of the CAA, 42 U.S.C. § 7511 (1996), requires the
    Chicago severe nonattainment area to achieve overall attainment with the NAAQS for
    ozone by the year 2007.
    As part of achieving the NAAQS for ozone, Section 182 of the CAA, 42
    U.S.C. § 7511(a) (1996), required two separate plan demonstrations to be made by
    November 1994. The first demonstration was to be IEPA's plan for achieving overall
    attainment in the Chicago nonattainment area for the NAAQS for ozone. The second
    demonstration was to be a plan to reduce emissions from the 1990 baseline emissions
    established for the Chicago nonattainment area each year starting in 1997. The latter
    plan, referred to as a reasonable further progress (RFP) or rate-of-progress (ROP) plan,
    is required for each consecutive 3-year period until overall attainment is achieved.
    Therefore, in November 1994, IEPA was required to provide to USEPA a plan for
    overall attainment of the ozone NAAQS in the Chicago nonattainment area and a plan
    demonstrating the first 3% ROP for the Chicago nonattainment area.
    IEPA was not able to provide either demonstration to USEPA. Instead, IEPA
    and the other Great Lakes states presented findings to USEPA concerning NO
    x
    reduction and VOM transport modeling, and proposed a regional approach to solve the
    ozone pollution problem. In response, USEPA issued a memorandum on March 2,
    1995 (Memorandum). The Memorandum acknowledged the good faith efforts of
    Illinois and other states to comply with the CAA and established a two-phase program
    to ensure that Illinois and other states made the required CAA attainment
    demonstrations. In the first phase, USEPA required IEPA to submit a plan to
    implement, by May 1999, control measures including at least a 9% reduction of ozone
    precursors starting in 1997 to satisfy the ROP; a State Implementation Plan (SIP)
    committing to a schedule for the submission of the remaining ROP measures; and a SIP
    commitment to submit the overall attainment plan by mid-1997. The Memorandum
    established the end of 1995 as the due date for the first phase submittals. In the second
    phase, USEPA required IEPA to demonstrate that it had complied with the ROP and
    SIP measures for the first phase, the overall NAAQS attainment plan demonstration,
    and any other controls necessary to achieve overall attainment.
    In addition to establishing the two-phase program, the Memorandum also
    acknowledged that ozone may be transported and established procedures for states in
    the eastern half of the country to evaluate and address transport of ozone and its
    precursors, which led to the formation of the Ozone Transport Assessment Group
    (OTAG). OTAG is comprised of representatives from the regulated community,
    government, and environmental groups. USEPA envisioned that OTAG would release
    its findings by the end of 1996 so that the affected states could take OTAG's findings
    1
    The Chicago nonattainment area is comprised of Cook, DuPage, Kane, Lake, McHenry,
    and Will Counties, and Aux Sable, Goose Lake, and Oswego Townships. See 56 Fed.
    Reg. 56694 (Nov. 1, 1991).

    3
    into account when making their attainment demonstrations. OTAG did not release its
    findings, however, until the week of June 23, 1997.
    In order to allow IEPA to establish an emissions trading system to meet its
    requirements under the Memorandum, the Illinois legislature adopted Section 9.8 of the
    Illinois Environmental Protection Act (Act), effective on July 19, 1995. 415 ILCS
    5/9.8 (1996). Based on certain findings of the Illinois General Assembly, Section 9.8
    of the Act grants IEPA authority to propose an emissions market system. Section
    9.8(c) establishes requirements by which the Board shall adopt regulations
    implementing an emissions market system in Illinois. 415 ILCS 5/9.8(c) (1996).
    Section 9.8(c) of the Act states that the rules adopted by the Board shall include
    provisions that:
    (1)
    Assure that compliance with the required emissions reductions
    under the market system shall be, at a minimum, as cost-effective
    as the traditional regulatory control requirements in the State of
    Illinois.
    (2)
    Assure that emissions reductions under the market system will not
    be mandated unless it is necessary for the attainment and
    maintenance of the National Ambient Air Quality Standard for
    ozone in the Chicago nonattainment area, as required of this State
    by applicable federal law or regulation.
    (3)
    Assure that sources subject to the program will not be required to
    reduce emissions to an extent that exceeds their proportionate
    share of the total emission reductions required of all emission
    sources, including mobile and area sources, to attain and maintain
    the National Ambient Air Quality Standard for ozone in the
    Chicago nonattainment area.
    (4)
    Assure that credit is given or exclusion is granted for those
    emission units which have reduced emissions, either voluntarily
    or through the application of maximum available control
    technology or national emissions standards for hazardous air
    pollutants, such that those reductions would be counted as if they
    had occurred after the initiation of the program.
    (5)
    Assure that unusual or abnormal operational patterns can be
    accounted for in the determination of any source’s baseline from
    which reductions would be made.
    (6)
    Assure that relative economic impact and technical feasibility of
    emissions reductions under the banking and trading program, as
    compared to other alternatives, is considered.

    4
    (7)
    Assure that the feasibility of measuring and quantifying emissions
    is considered in developing and adopting the banking and trading
    program. 415 ILCS 5/9.8(c) (1996).
    These requirements are in addition to the requirements of Sections 27 and 28 of the
    Act, 415 ILCS 5/27, 28 (1996), which the Board also must meet when adopting
    regulations.
    On July 10, 1996, USEPA adopted a ‘‘Final Rule Making Findings of Failure
    to Submit Required State Implementation Plans for Nonattainment Areas for Ozone’’
    that applied to Illinois and other states which failed to make the proper submittals
    pertaining to the first phase of the program established in the Memorandum. See 61
    Fed. Reg. 36294 (July 10, 1996). USEPA stated that to avoid sanctions IEPA must
    submit the plans required by the first phase of the Memorandum within 18 months
    (
    i.e
    ., by January 1998).
    On October 7, 1996, IEPA proposed the ERMS as one component of its plan to
    fulfill Illinois’ obligations under the Memorandum and USEPA’s July 10, 1996 final
    rule.
    2
    SUMMARY OF RULEMAKING PROCEEDINGS
    IEPA filed this proposal on October 7, 1996. The Board held nine days of
    hearings in this matter and received public comment before issuing a first notice
    opinion and order on July 10, 1997. After the first notice opinion and order was
    published, the Board held an additional hearing on August 19, 1997.
    3
    All the hearings
    have been held in Chicago because only the Chicago nonattainment area is subject to
    the program. A public comment period and a reply public comment period were held
    after the August 19, 1997 hearing. A complete list of exhibits entered into the record,
    and public comments filed with the Board, is attached to this opinion and order as
    Attachment 1 and Attachment 2, respectively. Attachment 3 includes a list of
    acronyms and abbreviations used in this opinion.
    On September 29, 1997, IEPA filed a Motion to Strike (Motion) the reply
    public comment that Dart Container Corporation (Dart) filed (PC 32). In the Motion,
    IEPA first argues that PC 32 should be stricken because Dart did not file a comment
    during the initial comment period. Motion at 2. The Board does not find, however,
    2
    The ERMS is one component of the ROP demonstration. IEPA stated that certain
    federal programs involving mobile sources, such as off-road vehicles, and the cold
    cleaning degreasing rule, affecting area sources, are other components of the 9% ROP
    demonstration. Transcript of January 21, 1997, at 71-74, 107-108, 112-114; Exh. 6; Exh.
    73 at 2 and Table 3.
    3
     
     
    The transcript of the August 19, 1997 hearing is cited as “Tr.10 at __.” Transcripts of
    other hearings are cited by date.

    5
    that the order establishing the reply comment period limited it to those who had filed an
    initial comment.
    Second, IEPA argues that even if the Board accepts PC 32 generally, it should
    strike portions of the comment that appear to address issues not raised between the
    August 19, 1997 hearing and the September 8, 1997 deadline for filing of initial
    comments. IEPA notes that the hearing officer order limited the scope of reply
    comments to these issues. Motion at 2-3. In particular, IEPA argues that the portions
    of PC 32 regarding the definition of Best Available Technology (BAT), BAT and
    voluntary over-compliance, and burden-shifting in BAT determinations, are not
    directed at issues raised during this time period.
    With regard to the definition of BAT and burden-shifting in BAT
    determinations, the Board finds that IEPA has interpreted the hearing officer’s order
    too narrowly. The definition of BAT, and the procedures under which BAT would be
    determined, were addressed in several comments filed during the initial comment
    period and therefore Dart was free to address these issues in the reply comment period.
    The Board agrees, however, that Dart’s comments on BAT and voluntary over-
    compliance are not directed at any issue raised between August 19, 1997 and
    September 8, 1997. The Board denies IEPA’s motion except with respect to that
    portion of PC 32 that discusses BAT and voluntary over-compliance (PC 32 at 6-7),
    which is hereby stricken.
    Today the Board sends this rulemaking proposal to second notice, pursuant to
    the Illinois Administrative Procedure Act, 5 ILCS 1001-1
    et seq.
    (1996). The Board
    will file this rule with the Joint Committee on Administrative Rules (JCAR) for
    consideration by that body. Following JCAR’s consideration of this rule, and after
    considering any changes to the rule that JCAR recommends, the Board will adopt the
    rule.
    SUMMARY OF PROPOSED RULE
    The proposed Part 205 is divided into seven subparts (A through G). Subpart A
    contains the general provisions, including sections on severability, purpose,
    abbreviations, definitions, and a general description of the rule, and a section which
    describes the different regulatory management periods in a year under the proposal.
    Subpart B sets forth the applicability of the proposed rule. Subpart C provides how the
    rule will be administered. Subpart D establishes the trading unit allotments for each
    emission source. Subpart E creates alternative methods by which allotment trading
    units (ATUs) may be generated. Subpart F of the rule describes how the market will
    be structured and controlled. Subpart G establishes how compliance will be
    demonstrated and enforced.
    Part 205 is designed to regulate stationary point sources that are located in the
    Chicago ozone nonattainment area, that are required to obtain a Clean Air Act Permit

    6
    Program (CAAPP) permit, and that have seasonal emissions of at least 10 tons of
    VOM. Proposed Part 205 regulates these sources by establishing a historical emissions
    baseline for each source and requiring each source to reduce its emissions from that
    baseline by 12%. A source will establish its baseline by averaging its VOM emissions
    during any two of the “ozone seasons” (
    i.e.
    , May 1 to September 30) of the years
    1994, 1995, or 1996. IEPA will then issue sources ATUs in an amount equal to 88%
    of each source’s baseline (
    i.e.
    , 100% of the source’s baseline less the 12% required
    reduction).
    The rule requires sources to hold ATUs in the amount equal to their seasonal
    emissions of VOM. Sources can either reduce their emissions by 12% or purchase
    ATUs from the market created by the proposed rule to cover their VOM emissions for
    each seasonal period.
    SUMMARY OF ISSUES
    In summary form, the Board reaches the following major conclusions in this
    second notice opinion and order. A more complete discussion of each of these issues is
    included in the Discussion section beginning on page 8.
    1. The ERMS complies with Sections 9.8(b), 9.8(c)(1), and 9.8(c)(3) of the Act. See
    pages 8-15.
     
    2. Section 205.150, Emission Management Period: The ERMS will include IEPA’s
    proposed language regarding New Source Review (NSR) offsets, under which
    compliance with certain ERMS requirements will satisfy NSR requirements.
    Various revisions to subsections (c) and (d) have been made for clarity and
    consistency. See pages 15-17.
     
    3. Section 205.200, Participating Source: The ERMS begins in 1999. However,
    Section 205.720 has been amended so that sources that receive their CAAPP
    permits on or after May 1, 1998 and that have emissions excursions in 1999 may
    purchase ATUs to cover the excursion at a ratio of 1:1 rather than 1:2. The ERMS
    applies to landfills. See pages 17-21.
     
    4. Section 205.310, ERMS Applications: ERMS applications are due on March 1,
    1998. See pages 21-22.
     
    5. Section 205.315, CAAPP Permits for ERMS Sources: If a source appeals a
    baseline determination, (1) the source will be allotted ATUs equal to portion of the
    source’s baseline that is not disputed, but may not sell those ATUs; and (2) the
    source may emit VOM up to the amount it proposed for its baseline, less the 12%
    reduction, as applicable.
      
    The rule contains similar provisions on BAT
    determinations. See pages 22-25.
     

    7
    6. Section 205.320, Baseline Emissions: IEPA must consider the production data that
    sources must provide in an ERMS application when proposing a replacement year.
    The rule now includes examples of “non-representative conditions.” Section
    205.320(g)(2) now refers to “reasonable further progress” as well as attainment.
    The date after which sources’ baselines will be increased for voluntary over-
    compliance is now October 31, 1990. See pages 25-30.
     
    7. Section 205.400, Seasonal Emissions Allotments: The rule now includes language
    expressly stating that allotments and baselines are not property rights. ATUs will
    expire in two years or less. See pages 30-33.
     
    8. Section 205.405, Exclusions from Further Reductions: First, compliance with
    Maximum Achievable Control Technology (MACT) will be determined under the
    relevant MACT standard. Second, emission units that meet MACT or National
    Emissions Standards for Hazardous Air Pollutants (NESHAP) on or after May 1,
    1999 are subject to the requirement to reduce emissions by 12%. Third, the
    exclusion from VOM reduction requirements for units that meet the lowest
    achievable emission rate standard remains. Fourth, the rule does not set an annual
    emissions limit on hazardous air pollutants or toxic air contaminants. Fifth, in
    accordance with IEPA’s suggestion, the definition of BAT is modified to confirm
    that a BAT determination will not be more stringent than Best Available Control
    Technology (BACT) as would be determined contemporaneously under the federal
    rules for Prevention of Significant Deterioration of Air Quality. See pages 33-46.
     
    9. Section 205.410, Participating Source Shutdowns: New language in subsection (c)
    confirms that ATUs transferred from a source that is shutting down to another
    source will not be subject to a 20% reduction. Subsection (d) is deleted. See pages
    46-48.
     
    10. Section 205.500, Emissions Reduction Generator: Sources outside the
    nonattainment area may not participate in the ERMS, and if that is to be allowed in
    the future, the rule will have to be amended. ATUs may be generated when a non-
    participating source transfers its operations to a participating source. In those
    cases, the ATUs generated will be reduced by 12%. See pages 48-53.
     
    11. Section 205.620, Account Officer: A source may have more than one account
    officer. See page 54.
     
    12. Section 205.700, Compliance Accounting: The rule does not specify how often
    IEPA must audit sources. See pages 54-55.
     
    13. Section 205.720, Emissions Excursion Compensation: There is no penalty for the
    sale of invalid ATUs; sufficient incentives already exist to deter such practices.
    The rule does not require IEPA to follow any particular procedure in determining
    that an emissions excursion has occurred. See pages 55-56.

    8
     
    14. Section 205.760, Market System Review Procedures: This section remains
    unchanged. See page 56.
    DISCUSSION
    This section of the opinion discusses the considerations that informed the
    Board’s conclusions on the issues listed above. The Board also has made some minor
    changes to the rule for clarity and consistency, and to comply with changes that JCAR
    has requested, that do not merit discussion. However, all changes from the proposed
    rule at first notice are marked as revisions in the order that follows this opinion.
    Compliance of the ERMS with Section 9.8(b) of the Act
    Section 9.8(b) of the Act requires that IEPA “design an emissions market
    system . . . that takes into account the findings of the national ozone transport
    assessment . . . .” 415 ILCS 5/9.8(b) (1996). The Board finds that IEPA has
    satisfied this requirement.
    At first notice, the Board acknowledged that because OTAG did not release its
    findings until the week of June 23, 1997, IEPA did not have the benefit of those
    findings at the time it proposed the rule or during the hearings leading up to first
    notice. ERMS (July 10, 1997), R97-13, slip op. at 3, 7. Accordingly, the Board
    directed IEPA to provide its evaluation of OTAG’s findings as they may relate to this
    rulemaking, including IEPA’s rationale for proposing or not proposing any revisions in
    light of the findings. ERMS (July 10, 1997), R97-13, slip op. at 7.
    IEPA stated that OTAG made several important technical findings, including the
    following: (1) reducing nitrogen oxides (NO
    x
    ) on a regional basis is most effective in
    reducing transported ozone, while VOM reductions are effective local control
    measures; and (2) regional NO
    x
    emissions reductions due to CAA mandatory controls
    plus possible OTAG controls will reduce ozone and ozone precursors on a regional
    scale but are not sufficient to provide for attainment. Exh. 72 at 2. IEPA concluded
    that the reductions resulting from this ERMS rulemaking are necessary because even
    after appropriate regional OTAG measures are identified and implemented, additional
    VOM reductions will be necessary in the Chicago nonattainment area to demonstrate
    attainment. Tr.10 at 7; Exh. 72 at 1-4. IEPA also maintained that because OTAG’s
    conclusions regarding the reduction of NO
    x
    through market systems are consistent with
    and supportive of the ERMS, no revisions to the proposed rule are necessary. PC 17 at
    3-4.
    The Board finds
    that IEPA has satisfied the requirement of Section 9.8(b) that it
    design an emissions market system that takes into account the findings of OTAG. Based
    on its review of the OTAG findings, IEPA concludes that no revisions to the proposed
    ERMS rules are currently necessary.

    9
    Compliance of the ERMS with Section 9.8(c)(1) of the Act
    Section 9.8(c)(1) of the Act requires that the rules adopted by the Board include
    provisions that “[a]ssure that compliance with the required emissions reductions under the
    market system shall be, at a minimum, as cost-effective as the traditional regulatory
    control requirements in the State of Illinois.” 415 ILCS 5/9.8(c)(1)(1996).
    At first notice, the Board found that IEPA had satisfied this requirement for this
    rulemaking. In public comments filed after first notice, the City of Chicago, in supporting
    the proposed ERMS rules, states that “market-based mechanisms as a regulatory strategy
    for improving air quality . . . offer increased flexibility and less economic disruption to
    local economies than traditional command and control regulation.” PC 26 at 1. Amoco
    Corporation also supports the proposed ERMS rules in lieu of a “traditional prescriptive
    rule,” arguing that the proposed rules offer flexibility to the regulated community by
    letting it determine how to control emissions from its facilities. PC 28 at 1.
    The American Bakers Association (Bakers) expresses a concern, however, that the
    cost of a one ton VOM credit is projected to be $2,800, rather than the $2,200 cost that is
    the rate in New Jersey. PC 31 at 2. The Bakers state that the available control measures
    will cost about $500,000, and that the purchase of credits may be necessary to keep
    bakeries open. PC 31 at 1.
    The Board is sympathetic to the concerns of the Bakers, as well as the concerns of
    the many small businesses that have participated in this rulemaking. The Board fully
    realizes that the 12% reduction that this rule calls for will impose significant costs. The
    Board finds, however, that these costs are primarily the result of the reductions mandated
    by the CAA and USEPA, not the emissions trading system that the ERMS establishes.
    The Board finds that by allowing businesses the option of purchasing ATUs rather than
    costly control equipment or limiting production, the ERMS should enable sources to
    achieve, in a cost-effective way, the reductions that the CAA and USEPA require.
    Therefore, no testimony or comment necessitates any revision to the Board’s
    finding at first notice that IEPA had satisfied the requirement of Section 9.8(c)(1) for this
    rulemaking.

    10
    Compliance of the ERMS with Section 9.8(c)(3) of the Act
    The Board discusses the following issues raised during this rulemaking: (1)
    whether IEPA has demonstrated that sources subject to the ERMS will not be required to
    reduce emissions beyond their proportionate share as required by Section 9.8(c)(3); (2)
    whether IEPA’s inventory for the ERMS failed to include certain sources likely to be
    affected by the ERMS and whether any such failure would materially affect IEPA’s
    Section 9.8(c)(3) demonstration; and (3) the timeframe of the Section 9.8(c)(3) assurance.
    The Board finds that IEPA has satisfied Section 9.8(c)(3) for purposes of this
    rulemaking and it does not appear that including several sources omitted from the ERMS
    inventory would materially affect this conclusion. In addition, the Board again finds that
    IEPA will be required to satisfy Section 9.8(c)(3) if further reductions are sought under
    the ERMS. In response to several comments, the Board also finds that its interpretation
    of Section 9.8(c)(3) does not preclude the possibility that if IEPA’s plan for overall
    attainment includes further reductions under the ERMS, IEPA could satisfy Section
    9.8(c)(3) by demonstrating that sources subject to the ERMS will not be required to
    reduce beyond their proportionate share over the timeframe of the attainment plan, even if
    they may reduce more than their proportionate share during a given ROP period.
    Demonstration that Sources Subject to the ERMS Will Not Be Required to Reduce
    Beyond Their Proportionate Share
    Section 9.8(c)(3) of the Act requires that the rules adopted by the Board include
    provisions that:
    Assure that sources subject to the program will not be required to reduce
    emissions to an extent that exceeds their proportionate share of the total
    emission reductions required of all emission sources, including mobile and
    area sources, to attain and maintain the National Ambient Air Quality
    Standard for ozone in the Chicago nonattainment area. 415 ILCS
    5/9.8(c)(3).
    At first notice, IEPA argued that Section 9.8(c)(3) did not apply to this rulemaking
    because the ERMS is not part of a plan for overall attainment of the ozone NAAQS, but
    rather is part of the State's 9% ROP. IEPA asserted that Section 9.8(c)(3) will not apply
    until IEPA proposes to use the ERMS for further reductions as part of a plan to actually
    achieve overall attainment of the ozone NAAQS. At first notice, the Board disagreed and
    found that Section 9.8(c)(3) applies to this ERMS rulemaking. ERMS (July 10, 1997),
    R97-13, slip op. at 9-10.
    While IEPA argued that it is not required to make the Section 9.8(c)(3)
    demonstration now, it nevertheless maintained that it had demonstrated proportionality for
    emissions reductions under the 9% ROP plan. Specifically, IEPA asserted that point

    11
    sources are not being asked to reduce emissions beyond their proportionate share because
    they contributed 22% of the 1996 VOM emissions and they will be responsible for 20% of
    the emission reductions under the 9% ROP plan. ERMS (July 10, 1997), R97-13, slip op.
    at 11-12.
    The Board stated at first notice that before it could determine whether IEPA had
    satisfied Section 9.8(c)(3), IEPA would need to confirm and clarify certain information.
    Accordingly, the Board requested that IEPA respond to a series of specific items posed by
    the Board and provide any additional information that IEPA believed would assist the
    Board in its determination. ERMS (July 10, 1997), R97-13, slip op. at 12-14.
    In responding to the Board’s request, IEPA states that it has had to revise the
    emissions data it previously relied upon in attempting to make the proportionality
    demonstration. Exh. 73 at 2. For example, IEPA explains that, while the 9% ROP target
    of 735.23 tons per day (TPD) in 1999 has not changed, the level of 1996 VOM emissions
    has been revised upward to 801.05 TPD. Exh. 73 at 2, 5. The prior estimate of 1996
    VOM emissions was 781 TPD. Exh. 6.
    According to IEPA, to meet the 1999 target, the 9% ROP plan must provide for
    65.82 TPD (including growth) in emission reductions (
    i.e
    ., a reduction from the 1996 level
    of 801.05 TPD in emissions to the 1999 target of 735.23 TPD in emissions). IEPA states
    that the 9% ROP plan will provide for a total VOM reduction of 73.48 TPD (including
    growth): 11 TPD from point sources, 8.85 TPD from area sources, and 53.63 TPD from
    mobile sources. Accordingly, the expected actual 1999 emissions are 727.57 TPD, which
    is 7.66 TPD under the 1999 emission target level of 735.23 TPD. Exh. 73 at 5.
    IEPA explains that the extra 7.66 TPD in reductions will go toward satisfying
    contingency requirements. IEPA states that in addition to the 9% ROP requirement,
    31.11 TPD in emissions reductions are required for contingency. IEPA asserts that this is
    satisfied through Phase II reformulated gasoline reductions of 28.30 TPD in the year
    2000, plus the 7.66 TPD in extra reductions under the 9% plan. Exh. 73 at 4, 6.
    IEPA states that the point source sector accounted for approximately 171 TPD of
    the 801.05 TPD of 1996 VOM emissions, or 21.3% of 1996 VOM emissions. Exh. 73 at
    6-7. IEPA also notes that “sources subject to the ERMS program” (a subset of the point
    source sector) accounted for 14.1% of 1996 VOM emissions, or 113 TPD. Exh. 73 at 7.
    In addition, IEPA states that (1) all point source sector reductions under the 9% ROP plan
    will result from the ERMS; and (2) the point source sector will account for 14.9% of the
    reductions under the 9% ROP plan (
    i.e
    ., 11 TPD of the 73.48 TPD in reductions). Exh.
    73 at Tables 3 and 5. IEPA concludes that the 9% ROP plan does not require reductions
    from the point source sector that exceed its proportional share because the point source
    sector contributed 21.3% of total 1996 VOM emissions and will account for 14.9% of
    VOM reductions under the 9% ROP plan. Exh. 73 at 6 and Table 5.

    12
    The Board finds that IEPA has satisfied Section 9.8(c)(3) for this rulemaking. For
    purposes of satisfying Section 9.8(c)(3) in this rulemaking, however, the Board finds it
    inappropriate to look to the point source sector as a whole when comparing the
    percentages of past emissions and future reductions. Rather, Section 9.8(c)(3) calls for
    assurance that “sources subject to the program” will not be required to reduce beyond
    their proportionate share. 415 ILCS 5/9.8(c)(3) (1996). Accordingly, the relevant
    comparison for this rulemaking is the percentage of 1996 VOM emissions contributed by
    sources subject to the ERMS and the percentage of reductions under the 9% ROP plan
    provided by sources subject to the ERMS.
    IEPA’s testimony has shown that a number of point sources in the Chicago
    nonattainment area are not subject to the ERMS. To interpret the statute as suggested by
    IEPA would allow the incongruous result of having a subset of the point source sector,
    which may have contributed a relatively small percentage of past emissions, providing for
    a percentage of future reductions comparable with the entire point source sector’s
    percentage of past emissions, which may have been quite large.
    IEPA states that sources subject to the ERMS contributed 14.1% of 1996 VOM
    emissions. These sources will provide for 14.9% of the VOM emissions reductions under
    the 9% ROP plan since all point source sector reductions will result from the ERMS. As
    IEPA states, the word “proportionate” does not suggest that the percentage of reductions
    “must exactly match” the percentage of emissions. PC 17 at 8. For purposes of this
    rulemaking, the Board finds that the proportionate share of emissions reductions for
    sources subject to the ERMS is a percentage comparable with 14.1%, their percentage of
    1996 emissions. Accordingly, regarding the Section 9.8(c)(3) assurance, the Board
    concludes that the 14.9% of emissions reductions to be provided by sources subject to the
    ERMS does not exceed their proportionate share.
    Consistent with these findings and Section 9.8(c)(3) of the Act, the Board amends
    Section 205.110 as follows:
    The purpose of this Part is to implement the Emissions Reduction
    Market System (ERMS) regulatory program consistent with the
    assurances that are specified in Section 9.8 of the Environmental
    Protection Act [415 ILCS 5/9.8]. The ERMS is designed, as further
    specified in this Part, to achieve the following:
    * * *
    d)
    Assure that stationary sources subject to the ERMS regulatory
    program will not be required to reduce emissions to an extent that
    exceeds their proportionate share of the total emissions reductions
    required of all emission sourcessectors, including mobile and area
    sources.

    13
    Inventory Accuracy
    Mr. Lionel Trepanier of the Blue Island Greens testified that he believes IEPA’s
    inventory does not include certain sources likely to be affected by the ERMS, which
    “causes the point source category of emitters as a group to not contribute a proportionate
    share of reductions under the proposed rule . . . .” Tr.10 at 125-126. In support, Mr.
    Trepanier testified that “major point source VOM emitters have not been counted at all,
    although they have appeared in USEPA AIRS facility database of large VOM emitters
    continuously since 1990 till the most recent report in 1995.” Tr.10 at 126.
    In its public comment filed on September 8, 1997, IEPA states that it reviewed the
    USEPA AIRS Facility Subsystem Database (AIRS database) report of VOM emitters of
    over 10 tons per year (TPY) referred to by Mr. Trepanier. First, IEPA screened the AIRS
    database to remove sources that:
    (in this order): 1) had yearly emissions of less than 25 TPY; 2) had
    seasonal emissions of less than 10 tons per season (“TPS”); 3) had obtained
    federally enforceable state operating permits (“FESOPs”) which limited
    their annual emissions to less than 25 TPY (thus avoiding CAAPP
    applicability) and; 4) had shut down plant operations between 1990 and the
    present. PC 27 at 11.
    After IEPA removed “these non-ERMS sources” from the AIRS database, 86
    sources remained on the AIRS database that were not on the ERMS list. PC 27 at 11.
    IEPA states that the absence from the ERMS list of all but 4 of the 86 sources could be
    explained (
    e.g
    ., the sources applied for but had not yet received a FESOP, were actually
    not in the Chicago nonattainment area, or had reported less than 10 TPS as calculated
    from their 1994 Annual Emissions Reports (AERs)). PC 27 at 11.
    Of the remaining 4 sources, IEPA states that 3 were not included because they
    were late in filing their 1994 AERs. IEPA did not want to rely on estimates for these 3
    sources “to prevent overestimating the amount of ERMS reductions from the
    rulemaking.” PC 27 at 11-12. As for the fourth source, IEPA notes that it had been
    incorrectly classified as being outside the Chicago nonattainment area. According to
    IEPA, the actual 1994 emissions reported by the 4 sources were 42(18), 33(14), 26(11),
    and 34(14) TPY (TPS). PC 27 at 12. IEPA concludes that the “ERMS database [is] fully
    adequate for developing the proposed ERMS.” PC 27 at 12.
    Initially, the Board notes that Section 9.8(c)(3) of the Act, contrary to the
    suggestion of Mr. Trepanier, does not mandate that sources subject to the program reduce
    emissions equal to their proportionate share. Rather, it requires that assurance be made
    that they not be required to reduce beyond their proportionate share.
    As for Mr. Trepanier’s assertion that IEPA’s inventory does not include certain
    sources likely to be affected by the ERMS, the Board finds IEPA’s response satisfactory.

    14
    As set forth above, IEPA explains why four sources had not been included in the ERMS
    inventory. As these four sources may be sources subject to the ERMS based on the
    information in the record, it appears that including them could provide some increase to
    both the percentage of 1996 VOM emissions allocated to sources subject to the ERMS
    and the percentage of reductions under the 9% ROP plan to come from sources subject to
    the ERMS. After discussing the four sources, IEPA concludes that the ERMS database is
    “fully adequate for developing the proposed ERMS.” PC 27 at 12. Based on the
    foregoing, it does not appear that the inclusion of these four sources would materially
    affect the Board’s Section 9.8(c)(3) analysis above.
    Timeframe for Section 9.8(c)(3) Assurance
    IEPA argues that Section 9.8(c)(3) should not be “viewed as limiting the Board’s
    authority to seek reductions for attainment from different sectors at different intervals.”
    PC 17 at 7-8. By way of illustration, IEPA explains that Section 9.8(c)(3) should not
    preclude the following scenario:
    USEPA could be scheduled to promulgate a measure to reduce mobile
    source emissions at a future date but the state may need to proceed with
    measure directed emissions from other sectors to meet incremental
    reduction targets required by the Clean Air Act and to progress toward
    attainment. PC 17 at 8.
    The Illinois Environmental Regulatory Group (IERG) appears to be addressing this
    point as well when it testified that “proportionality has to be demonstrated over a
    continuum . . . and not regulation by regulation . . . .” Tr.10 at 96. Similarly, IERG stated
    earlier in this rulemaking proceeding that:
    The measure of proportionality would cover the entire time frame in which
    the sectors made reductions or were to make reductions as required to
    meet obligations under the Clean Air Act. In accepting the ERMS
    concept, the membership recognized that the timing of such reductions
    would vary. Exh. 76 at 2-3.
    IERG concludes that while the proportionality requirement has been satisfied for this
    rulemaking, “proportionality has not been demonstrated as regards [IEPA’s] overall ozone
    attainment strategy.” Exh. 76 at 4.
    The Board agrees with IERG that IEPA has satisfied Section 9.8(c)(3) only for
    purposes of this rulemaking. Again, pursuant to Section 205.400(d), if further emissions
    reductions are sought under the ERMS, IEPA will be required to satisfy Section 9.8(c)(3)
    of the Act.
    The ERMS is one component of the 9% plan. IEPA has satisfied Section 9.8(c)(3)
    for purposes of this rulemaking by demonstrating that sources subject to the ERMS will

    15
    not be required to reduce emissions beyond their proportionate share of reductions under
    the 9% ROP plan. IEPA has not yet made an attainment demonstration. The Board did
    not preclude at first notice, and does not preclude now, the possibility that if IEPA’s plan
    for overall attainment includes further reductions under the ERMS, IEPA could satisfy
    Section 9.8(c)(3) by demonstrating that sources subject to the ERMS will not be required
    to reduce beyond their proportionate share over the timeframe of the attainment plan, even
    if they may reduce more than their proportionate share during a given ROP period.
    Section 205.130 Definitions
    At first notice, the Board requested that IEPA explain the meaning of “natural”
    before the word “person” in the definition of “account officer” set forth in Section
    205.130. ERMS (July 10, 1997), R97-13, slip op. at 16. IEPA explained that it used
    this term to ensure that only human beings were account officers, rather than having an
    entity responsible for a transaction account. PC 17 at 8-9.
    The Board finds
    IEPA’s explanation satisfactory and consistent with the
    requirements of Section 205.620.
      
    At page 54 under Section 205.620, the Board discusses
    having more than one account officer designated to a transaction account.
    The Board also revised several definitions for clarity. First, the Board revised the
    definition of “baseline emissions” to clarify that those emissions are to be determined
    under Subpart C of this rule. Second, the Board has revised the definition of
    “reconciliation period” to clarify that a reconciliation period occurs each year. Third, the
    Board slightly revised the definition of “special participant” for clarity. Finally, the Board
    received comment on, and has revised, the definition of “Best Available Technology.”
    Those comments are discussed at page 41 under Section 205.405.
    Section 205.150 Emissions Management Period
    Several participants raised questions regarding Section 205.150(e), which sets
    forth the requirements pertaining to the NSR offsets requirement for major new sources or
    existing sources that make major modifications. After reviewing the issue, the Board has
    elected to adopt IEPA’s proposed language for this subsection.
    IEPA testified that after the ERMS is in place, any person planning new major
    projects or major modifications will have to address both the ERMS and NSR. In this
    regard, IEPA stated that the key area where the ERMS and NSR overlap is in the
    emission offsets requirement. Exh. 74 at 17. IEPA stated that it designed the offsets
    requirement in the ERMS proposal to accommodate the NSR offsets so that a separate set
    of provisions need not be maintained to satisfy the requirements of NSR.
    Id
    .
    The ERMS requires major sources and major modifications, as identified in their
    permit that authorizes their construction, to hold ATUs in an amount 1.3 times the actual
    seasonal emissions. Under the ERMS, compliance with this provision satisfies the NSR
    offsets requirement, which previously had been applied on an annual basis. Exh. 74 at 18.

    16
    IEPA notes that Section 173 of the CAA requires that emission offsets be provided for a
    project as needed to assure ROP. Since ROP for ozone is evaluated in seasonal terms,
    IEPA believes it is appropriate to address emission offsets in a similar manner.
    Id
    .
    The American Lung Association of Metropolitan Chicago (ALAMC) disagrees
    with IEPA’s position. The ALAMC objects to the substitution of the annual NSR offsets
    “requirements” with a seasonal requirement to hold ATUs in an amount 1.3 times actual
    seasonal emissions. PC 30 at 2. The ALAMC believes that Section 205.150(e) would
    eliminate offset requirements during the non-ozone season and deny the public cleaner air
    during that period.
    Id
    . At a minimum, the ALAMC states that the Board must address
    whether Section 205.150 is consistent with the CAA.
    While IEPA did not specifically address the ALAMC’s concerns regarding the
    issue of air quality during the non-ozone season, IEPA did touch upon this issue in
    addressing the impact of the ERMS on air toxins. In addressing air toxins, IEPA notes
    that the ERMS is neutral regarding toxic emissions. PC 35 at 18. However, IEPA
    asserts that such emissions are addressed by programs specifically designed for toxic
    emissions.
    Id
    . IEPA maintains that the ERMS does not alter or relax the specific
    regulatory programs that address air toxins.
    Given that the ROP for ozone is evaluated on a seasonal basis, the Board finds it
    appropriate to address NSR emission offsets on seasonal basis, as proposed in Section
    205.150(e). The Board believes that the proposed offsets requirement will provide greater
    flexibility to sources in meeting the NSR offsets requirement. With regard to the
    ALAMC’s concern about air quality, the Board notes that ozone is a major concern only
    during the ozone season. Further, the Board agrees with IEPA’s position that programs
    specifically designed to address toxic air contaminants, such as MACT, will address the
    concerns relating to emission of toxic ozone precursors during the non-ozone season. In
    light of this, the Board believes that the impact of seasonal NSR offsets on non-ozone
    season air quality will be minimal. Finally, the Board concludes that the proposed
    requirements regarding NSR offsets are consistent with the requirements of the CAA. In
    this regard, the Board agrees with IEPA’s position that Section 173 of the CAA requires
    emission offsets to be provided as necessary to assure ROP.
    The Board also has revised Section 205.150(c) and (d) to add or delete references
    to exceptions that logically should be either included or deleted. For example, Section
    205.315 allows certain sources to hold ATUs in an amount less than its VOM emissions
    when it is appealing an IEPA baseline or BAT determination. The Board has therefore
    added an exception for Section 205.315 to 205.150(c)’s requirement that a source hold
    ATUs to cover VOM emissions. Second, the Board believes that the exemptions to the
    requirement to hold ATUs that Sections 205.220 and 205.225 provide for insignificant
    emission units and for emissions due to startup, malfunction, or breakdown should be
    available to new participating sources as well as participating sources. The Board
    therefore has therefore changed Sections 205.220 and 205.225 accordingly, and added

    17
    exceptions for Sections 205.220 and 205.225 to Section 205.150(d). The Board has made
    other minor changes to Section 205.150 for consistency.
    Section 205.200 Participating Source
    A “participating” source is defined in Section 205.130 as any source existing
    prior to May 1, 1999, that is located in the Chicago ozone nonattainment area, is
    required to obtain a Clean Air Act Permit Program (CAAPP) permit, and has seasonal
    emissions of at least 10 tons of VOM. Participants in this rulemaking have raised three
    issues regarding this section: (1) whether the compliance deadline for the ERMS should
    be extended from 1999 to 2000; (2) whether the date for emissions excursions
    compensation should be adjusted; and (3) whether the ERMS applies to landfills. As
    explained below, the Board has maintained the 1999 compliance deadline, adjusts the
    date for emissions excursions compensation, and finds that the ERMS does apply to
    landfills.
    Compliance Deadline
    At first notice, the Board declined to delay the compliance deadline for the
    ERMS from 1999 to 2000, as IERG and the Chemical Industry Council of Illinois
    (CICI) had requested. The Board noted that USEPA has required Illinois to
    demonstrate, by January 2, 1998, that it will achieve a 9% reduction in VOM
    emissions for the Chicago nonattainment area by 1999. ERMS (July 10, 1997), R97-
    13, slip op. at 19. Therefore, the Board found the 1999 compliance date appropriate.
    IEPA filed a public comment stating that it supported the Board’s decision to
    retain the 1999 compliance date. USEPA also filed a public comment urging the Board
    to make the rules effective in 1999 rather than in the year 2000. PC 19 at 1-2.
    USEPA did not discuss the Board’s proposed exemption from the emissions excursion
    compensation penalty for sources that had not received a CAAPP permit by a specified
    date.
    At the August 19, 1997 hearing, Mr. Sidney Marder of IERG reiterated IERG’s
    request that the compliance date be delayed to the year 2000. He also testified that the
    Board’s exemption from emissions excursion compensation penalties for sources that
    have not received CAAPP permits by January 1, 1999, does not adequately address
    IERG’s concerns. First, Mr. Marder noted that a source will not know what its
    baseline is until it receives its CAAPP permit. Tr.10 at 97. Under the current
    proposal, a source that does not receive its permit until just before January 1, 1999,
    will have only four months before the start of the first ozone season to come into
    compliance, which “from a business point of view, is an unreasonably short period of
    time.” Tr.10 at 98.
    Second, while IERG agreed with the Board that a source might know what its
    baseline is even before a final permit issues, “the prudent manager may well plan to

    18
    expend money for reduction measures or controls as opposed to ATU purchases, but
    would not actually authorize the expenditure of such funds until a final decision on the
    CAAPP permit is issued.” Ex. 76 at 6.
    In a public comment, IERG notes that ERMS applications are currently due on
    January 1, 1998, which will be only two months after the Board adopts a final ERMS
    rule. 35 Ill. Adm. Code 205.310(a); PC 20 at 3-4. (
    As discussed on page 21, the
    ERMS application date has been delayed to March, 1998.)
    IERG further points out that
    by the application deadline, many sources may not have received a CAAPP permit and
    thus will have to file an ERMS application without knowing whether IEPA has
    approved the source’s CAAPP permit application. PC 20 at 4. IERG states “that it is
    unreasonable to expect a source to make compliance decisions requiring capital
    investments based on its anticipation of how the Agency will act on its baseline
    proposal, as well as the source’s overall CAAPP application. The time between
    CAAPP permit issuance and ERMS required compliance is inadequate to effectuate
    ERMS compliance control projects.” PC 20 at 5.
    The ERMS Coalition (Coalition) agrees with IERG that the compliance deadline
    should be extended from 1999 to 2000. PC 22 at 4. The Coalition agrees that affected
    sources will not have enough time to reasonably prepare to achieve the required
    reductions.
    Id
    .
    In its final public comment, IEPA states that delaying the initial ERMS season
    to 2000 “is simply unacceptable if the ERMS is to fulfill the ROP requirement. This
    point has been stressed by USEPA time and again. IERG and Coalition have failed to
    present any rationale supporting the ability of the ERMS to satisfy the ROP
    requirement if, on its face, the ERMS does not require reductions until 2000.” PC 35
    at 15.
    The Board again concludes that the 1999 compliance date must be retained in
    order for the Chicago nonattainment area to meet its obligations under the CAA and
    USEPA’s July 10, 1996 final rule (see pages 1-4). As explained below, however, the
    Board has revised the emissions excursion compensation provisions of the rule to
    mitigate the hardship that the 1999 deadline may impose.
    Emissions Excursion Compensation
    At first notice, the Board revised 205.720, which addresses emissions excursion
    compensation, in response to the concerns of IERG and others regarding the 1999
    compliance date. An “emissions excursion” occurs when “a participating source or
    new participating source does not hold sufficient ATUs at the end of a reconciliation
    period to account for its VOM emissions from the preceding seasonal allotment period .
    . . .” 35 Ill. Adm. Code 205.130. Section 205.720 requires sources with emissions
    excursions to purchase ATUs from the Alternative Compliance Market Account
    (ACMA) in an amount equivalent to 1.2 times the emissions excursion. 35 Ill. Adm.

    19
    Code 205.720(b)(1). In effect, this section penalizes sources that have emissions
    excursions at the end of the reconciliation period.
    At first notice, the Board found that such a penalty would be unfair and
    inappropriate for sources that had not received CAAPP permits by December 31, 1998.
    ERMS (July 10, 1997), R97-13, slip op. at 19-20. The Board therefore revised Section
    205.720 to require sources that received their CAAPP permits after December 31,
    1998, and which also have emissions during the 1999 season, to acquire ATUs at a 1 to
    1 ratio rather than a 1 to 1.2 ratio.
    The Board received comment on this revision from several participants. IEPA
    objects to the proposed revision, noting the ERMS must be approved by USEPA as a
    SIP revision. IEPA stated that USEPA will not approve the program if it is not
    enforceable. If there is no emissions excursion compensation penalty required for
    sources that emit VOMs in excess of their ATUs in 1999, IEPA argues, USEPA may
    not find the rules enforceable. PC 17 at 9. IEPA suggests that the Board revise the
    rule to allow an exemption from the emissions excursion compensation provisions only
    for those sources that do not receive a preliminary baseline determination by January 1,
    1999, and a draft CAAPP permit by April 30, 1999. The ALAMC concurs in IEPA’s
    comments. PC 30 at 4.
    IERG also objected to the Board’s revision, but on the grounds that it did not go
    far enough. Mr. Marder stated that it was arbitrary and unfair to require all sources
    that have received CAAPP permits before January 1, 1999, to comply with the
    program. “The January 1, 1999 cut-off presumes that the Agency will somehow opt to
    issue permits with some recognition of who will need additional time for compliance.
    IERG doubts that the Agency will issue permits in this manner. We may wind up with
    facilities being penalized simply by the luck of the draw.” Ex. 76 at 6. If the deadline
    is not extended to 2000, IERG requests that the no emissions excursion compensation
    be required of sources in 1999.
    Id
    . The Coalition supports IERG’s request. PC 22 at
    4.
    Jefferson Smurfit Corporation (JSC) believes that “the Board’s proposal [to
    waive emissions excursion compensation penalties for sources that have not received
    CAAPP permits by January, 1999] is a reasonable compromise that makes appropriate
    allowance for the undoubted difficulties of getting the ERMS working the first year.”
    PC 23 at 7. JSC states that “IEPA has failed to provide adequate reasons why such a
    waiver would force U.S. EPA to disapprove the program.”
    Id
    .
    The Board is persuaded that the January 1, 1999 cutoff date could be arbitrary
    and unfair to some sources. The Board recognizes that sources will need time to
    develop compliance strategies once their baselines are determined, and the four months
    between the Board’s cutoff date of January 1, 1999, and the beginning of the ozone
    season on April 1, 1999, may be too little time for sources to develop such strategies.

    20
    The Board is not persuaded, however, that sources that receive CAAPP permits
    well in advance of the first ozone season – by, for example, May 1, 1998 – will have
    too little time to develop compliance strategies. The Board does not believe it
    necessary to waive emissions excursion penalties for all sources in 1999. The Board
    therefore has decided to change the cutoff date from January 1, 1999 to May 1, 1998.
    This date will give sources a full year to develop compliance strategies. The Board
    also has made other minor changes to Section 205.720 for consistency and clarity.
    The Board recognizes that even the May 1, 1998 cutoff may pose problems for
    some sources. The Board believes, however, that those situations can be better
    addressed through petitions for variance under Title IX of the Act,415 ILCS 5/35
    through 38 (1996).
    Finally, the Board does not agree with IEPA that the changes that the Board has
    made to Section 205.720 render it unenforceable. At the end of the reconciliation
    period, sources are still required to hold ATUs to cover their seasonal VOM emissions;
    the Board’s revisions only relieved certain sources of the obligation to purchase 1.2
    ATUs for each ATU shortfall. The program is therefore still “enforceable.”
    Applicability of the ERMS to Landfills
    Waste Management, Inc. of Illinois (WMI) raised concerns regarding the
    applicability of the ERMS to landfills in its comments filed during the pre-first notice
    comment period. PC 5 at 2. Specifically, WMI asserted that the rules should account for
    the unique emission pattern of landfill gas. WMI requested that the Board modify the
    regulations to limit the applicability of the ERMS only to landfill gas control equipment
    rather than the entire landfill. PC 5 at 2. WMI’s concern regarding the applicability of the
    ERMS to landfills was also endorsed by the National Solid Wastes Management
    Association. PC 8.
    At first notice, the Board noted that it was unclear whether the ERMS should
    apply to landfills generally or only to landfill gas equipment. The Board asked WMI and
    IEPA to provide additional information concerning landfills in the Chicago nonattainment
    area that would be subject to the proposed regulations. ERMS (July 10, 1997), R97-13
    at 21.
    In response to the Board’s request, WMI states that four of its five landfills in the
    Chicago nonattainment area could be covered by the proposed rule if VOM emissions
    from the entire landfill are considered in determining the total annual emissions. PC 18 at
    1. However, WMI notes that none of its landfills would meet the applicability criteria if
    consideration is given only to emissions from the gas control equipment. WMI also states
    that there may be other landfills that meet the ERMS applicability criteria.
    Additionally, WMI reiterates its concerns regarding the application of the ERMS
    to landfills. WMI contends that since landfill emissions are from activities that occurred

    21
    years ago, a historical baseline approach is, at best inequitable and, at worst, a regulatory
    taking. PC 18 at 1. WMI asserts that failure to account for the unique emissions patterns
    of landfills violates Section 9.8(c)(5) of the Act. PC 18 at 2.
    WMI states that for some landfills, adjustment to a facility’s baseline emissions for
    voluntary over-compliance may mitigate the inequities caused by using an historical
    baseline approach. However, WMI notes that such adjustment does not resolve the
    inequities for newer landfills, which have very low emission rates during the early years of
    operation. PC 18 at 2. WMI requests that the Board allow the use of anticipated levels
    rather than historic levels to address the unique gas emission pattern at newer landfills.
    In its post-hearing comments, IEPA states that it is not essential to consider issues
    associated with landfills in this proceeding. IEPA states that it has more closely evaluated
    how VOM emissions from landfills have been historically estimated. PC 27 at 3. Based
    upon this evaluation, IEPA believes that when the actual VOM emissions from landfills are
    estimated by using more realistic data and assumptions like 95% capture of landfill gas,
    the VOM emissions of landfills will be below the level at which they must participate in
    the ERMS. PC 27 at 6. Specifically, IEPA states that WMI’s landfills and other landfills
    in the Chicago area will not be required to participate in the ERMS. PC 27 at 3. In light
    of this, IEPA maintains that landfills do not require special treatment.
    The Board finds that if any landfill in the Chicago nonattainment area meets the
    ERMS applicability threshold, such landfill must be subject to the ERMS just like any
    other source. Further the Board finds that the ERMS must apply to landfill as a whole,
    and not be limited to only the gas control equipment. Furthermore, IEPA’s evaluation
    indicates that none of the landfills in the Chicago nonattainment area would meet the
    ERMS applicability threshold even if emissions from landfills as a whole are considered.
    The Board accordingly finds the changes that WMI has requested unnecessary.
    Section 205.310 ERMS Applications
    The Coalition has requested that the Board extend the ERMS application
    deadline to March 1, 1998. PC 22 at 3. The Coalition notes that the deadline set in
    the rule, January 1, 1998, was established when it was believed that the rules would be
    adopted by August 1997; now it is clear that the rules will not be adopted until at least
    November 1997.
    Id
    . The Coalition also states that draft ERMS applications have not
    yet been distributed.
    Id
    . Finally, the Coalition notes that IPEA has proposed revisions
    to Illinois’ NSR regulations that may impact the baseline determination for certain
    sources. PC 22 at 4. Dart Container Corporation (Dart) supports the Coalition’s
    suggestion. PC 32 at 2. IEPA agrees that the application deadline should be postponed
    to March 1998. PC 35 at 1.
    The Board agrees that the ERMS application deadline should be delayed until
    March 1, 1998, because the extensive hearings in this rulemaking will delay the
    Board’s adoption of the rule. Section 205.310 has been revised accordingly. The

    22
    Board has similarly modified other dates for consistency. See 35 Ill. Adm. Code
    205.205 and 205.318.
    Section 205.315 CAAPP Permits for ERMS Sources
    This section provides that a source’s baseline will be established in its CAAPP
    permit, and addresses how the baseline will be affected by an appeal. The participants
    in this rulemaking have raised two issues under this section.
    First, Dart suggests that the Board ensure that sources that are appealing their
    baseline emissions are not precluded from buying ATUs. PC 32 at 3. The Board
    agrees that such sources should not be precluded from buying ATUs, but sees nothing
    in the rule that precludes such sources from buying ATUs. The Board therefore
    declines to add the language that Dart suggests.
    The second issue relates to a source’s allowable VOM emissions during the
    appeal of an IEPA baseline or BAT determination. On this issue, the Board has elected
    to adopt IEPA’s most recent proposal regarding the disposition of ATUs while the
    source’s baseline is appealed (with a slight modification for consistency). In summary,
    the rule now provides that during the pendency of such an appeal, (1) the source will
    be allotted ATUs equal to portion of the source’s baseline that is not disputed, but may
    not sell those ATUs; and (2) the source may emit VOM up to the amount it proposed
    for its baseline, less the 12% reduction, as applicable. Similar provisions apply to the
    appeal of BAT determinations. The Board also has modified Section 205.315(f) for
    clarity.
    At first notice, the Board found that in the event of a controversy between a
    source and IEPA over the source’s baseline or a BAT determination - and consequently
    the number of ATUs the source will hold - the source should be able to use the portion
    of the ATUs that are not part of the controversy for compliance or sale. The Board
    found, however, that the ATUs in dispute should not be used for either sale or
    compliance. The Board found this treatment consistent with other permit appeals.
    ERMS (July 10, 1997), R97-13, slip op. at 26.
    During the August 19, 1997 hearing, Board Member Hennessey asked IEPA
    and others to comment on whether the Board should require sources to “pay back”
    ATUs in dispute if the Board or an appellate court ultimately determined that the source
    was not entitled to the disputed ATUs. Tr.10 at 53-54.
    Mr. Marder of IERG testified that the likelihood of many appeals is low. Tr.10
    at 100. Mr. Marder noted that IEPA has a statutory deadline to grant all CAAPP
    permits within 24 months of the first application –
    i.e,.
    March 1998. Mr. Marder
    stated that even if IEPA is late, there will still be plenty of time for the 120 days - the
    statutorily-required time in which permit appeals must be decided - to run before the

    23
    first ozone season. Tr.10 at 100-101. The number of appeals that will go to the
    appellate court, Mr. Marder predicted, will be few.
    Id
    .
    In addition, Mr. Marder stated that if a source is required to “pay back” the
    ATUs it may have used during the ozone season that it may ultimately lose on appeal,
    there also should be a mechanism to ensure that a source is somehow compensated for
    any loss it may have incurred because it could not sell the disputed ATUs in the event
    that the source wins on appeal. Tr.10 at 101. The complexities that these mechanisms
    would involve led IERG to conclude that IEPA’s original proposal offered the best
    solution. Tr.10 at 107. IERG reiterated Mr. Marder’s concerns in a public comment.
    PC 20 at 6.
    Others agree. The Coalition believes that a source should be able to use ATUs
    in dispute during the pendency of an appeal. PC 22 at 2. It argues that under the rule
    as originally proposed, sources have no incentive to inflate proposed baselines because
    they may not sell “extra” ATUs. Second, the Coalition argues that because appeals are
    costly and time consuming, the process itself deters frivolous appeals. Third, if the
    Board considers an appeal frivolous, it may dismiss the appeal. PC 22 at 2-3. JSC
    also supports the rule as originally proposed. PC 23 at 6.
    IEPA responded to the Board’s questions about whether to require sources to
    “pay back” disputed ATUs in certain cases in a public comment filed after the August
    19, 1997 hearing. In that comment, IEPA proposed changes to the rule it had
    proposed. IEPA noted:
    As originally proposed, sources would be issued ATUs consistent with
    their proposed baseline. The Agency has realized that this approach may
    be somewhat problematic because sources may be able to bank ATUs
    during the appeal, potentially resulting in an unfair advantage after the
    prohibition on trading is lifted. Therefore, the Agency proposes that
    sources only be issued ATUs representing the undisputed portion of their
    proposed baseline, reduced by 12 percent when appropriate, but should
    be allowed to emit in excess of this amount, provided such emissions are
    not in excess of the source’s proposed baseline level. This approach
    limits any potential inequities by only affording relief to the extent the
    source actually needs it to address its actual emissions. PC 27 at 1-2.
    IEPA proposes the following changes to Section 205.315 to implement its
    recommendation, which the Board has slightly modified for consistency:
    a) The Agency shall determine the baseline emissions for each
    participating source in accordance with Section 205.320 of this
    Subpart, through its final permit action on a new or modified
    CAAPP permit for each such source. The Agency’s baseline
    emissions determination may be appealed in accordance with the

    24
    CAAPP appeal procedures specified in Section 40.2 of the Act. [415
    ILCS 5/40.2 (1996).] If the permit conditions establishing a source’s
    baseline emissions areis appealed, the baseline emissions for the
    source shall be as proposed in the source’s ERMS application during
    the pendency ofduring the appeal. During the pendency of the
    appeal, ATUs shall be allotted to the source pursuant to this baseline
    emissions amount, reduced in accordance with Section 205.400(c) of
    this Part, but such source shall not be allowed to sell or use the
    portion of the ATUs that are attributed to the part of the source’s
    proposed baseline emissions that is not disputed in the appeal. were
    denied by the Agency and are under review by the Board to meet its
    seasonal emissions. The allotted ATUs that are under review will
    expire two years after the date of the final decision which allows the
    source to use or sell the ATUs under appeal, instead of two years
    after the issuance as set forth at Section 205.400(b). Such source
    shall be permitted to emit If such source’s seasonal VOM emissions
    exceed the ATUs it holds at the end of reconciliation periods during
    the pendency of the appeal, the source will not be deemed to have
    had an emissions excursion to the extent that such seasonal VOM
    emissions do not exceed the amount it proposed as its baseline in its
    ERMS application, less reductions required pursuant to Section
    205.400(c) or (e) of this Part, if applicable. Such source shall not be
    allowed to sell ATUs during the pendency of the appeal.
    c) The Agency shall determine, in accordance with Section 205.405(b)
    of this Part, if an emission unit qualifies for exclusion from further
    reductions in its final permit action on a new or modified CAAPP
    permit for each such source. The Agency’s determination may be
    appealed in accordance with the CAAPP appeal procedures specified
    in Section 40.2 of the Act [415 ILCS 5/40.2]. If the permit
    conditions establishing the Agency’s BATbest available technology
    determination areis appealed, ATUs shall be allotted to the source for
    any emission unit for which the Agency’s BAT best available
    technology (BAT) determination is being appealed without the
    emissions reduction otherwise required by Section 205.400(c) or (e)
    of this Part during the pendency of the appeal. The source however
    cannot sell or use the portion of the ATUs to meet its seasonal
    emissions that are attributed to the emission unit(s) that the source
    proposed as meeting BAT but were not accepted by the Agency as
    meeting BAT and are under review by the Board. The allotted ATUs
    that are under review will expire two years after the date of the final
    decision that determines that these emission units are using BAT
    instead of two years after the issuance as set forth at Section
    205.400(b). If the seasonal VOM emissions for the subject emission
    unit(s) exceed the ATUs that are attributed to the unit(s) during the

    25
    pendency of the appeal, the source will not be deemed to have an
    emissions excursion to the extent that such seasonal VOM emissions
    do not exceed the amount of ATUs that would be attributed to this
    unit if the BAT exclusion was accepted. Such source shall not be
    allowed to sell ATUs during the pendency of the appeal.
    The Board finds IEPA’s proposal acceptable and incorporates it into the rule. It
    prevents sources from banking and selling ATUs to which they may not be entitled, but
    relieves hardship on sources by allowing them to emit VOM up to their proposed
    baseline or BAT demonstration while an appeal is pending. The Board finds that
    IEPA’s proposal roughly balances the interests of sources, IEPA, and the public. The
    proposal may even encourage sources and IEPA to work out their differences quickly
    without resort to the appellate process.
    Section 205.320 Baseline Emissions
    Section 305.320(a) establishes the threshold baseline determination for existing
    sources by averaging the two seasonal allotment periods with the highest VOM
    emissions during 1994, 1995, and 1996. Additionally, subsection (a)(2) allows a
    source to propose replacement years in its ERMS application within the time frame of
    1990 through 1997, if there were “non-representative conditions” in 1994, 1995, or
    1996. A new sentence in subsection (a)(2) directs IEPA to consider the production data
    the sources must provide in ERMS applications when proposing a replacement year(s).
    Section 205.320(a) now also provides examples of “non-representative conditions.”
    The participants raised issues regarding: (1) the definition of “non-
    representative;” (2) accounting for reductions made to comply with the NSR program;
    and (3) accounting for voluntary over-compliance. The Board has elected to (1) add a
    directive to IEPA to consider data in the ERMS application when determining whether
    conditions are “non-representative,” and provides examples of “non-representative
    conditions;” (2) not allow reductions made to comply with the NSR program to be
    credited to a source’s baseline, except in certain situations; and (3) establish October
    31, 1990, as the date from which a baseline may be increased for voluntary over-
    compliance. The Board also has made clarifying changes to subsection (e)(3)(B).

    26
    Non-representative Conditions
    Subsection (a) of this section establishes the threshold baseline determination for
    existing sources by averaging the two seasonal allotment periods with the highest VOM
    emissions during 1994, 1995, and 1996. Additionally, subsection (a)(2) allows a
    source to propose replacement years in its ERMS application within the timeframe of
    1990 through 1997, if there were non-representative conditions in 1994, 1995, or 1996.
    The Board has added two new sentences to subsection (a)(2) to address the concerns of
    several participants. The new language requires IEPA to consider the production data
    that a source is required to include in its ERMS application if it seeks to use a year
    other than 1994, 1995, or 1996 in calculating its baseline emissions. The subsection
    also now provides that “non-representative conditions” include, but are not limited to,
    events such as strikes, fires, floods, and market conditions. The Board has added
    similar language to subsection (c).
    Two participants in particular expressed concerns about the meaning of non-
    representative conditions. They are the ALAMC and JSC. The ALAMC requests that the
    Board define the term “non-representative” as that term is used in Section 205.320(a).
    Tr.10 at 140, PC 30 at 2. Mr. Ron Burke of ALAMC suggested that a definition of “non-
    representative” would “help avoid disagreements that could delay implementation and that
    could limit the extent to which baselines exceed actual emissions.” Tr.10 at 140. The
    ALAMC suggests that “non-representative” emissions could be those resulting from
    changes “not expected to occur more than once every twenty years.” PC 30 at 2. Based
    on its position as described below, JSC would agree to such a definition. PC 23 at 5.
    JSC also questions what constitutes a “representative year.” It questions what
    makes the years between 1994 and 1996 “more representative” than a period four or five
    years ago. Using a cyclical business as an example, JSC asks which part of the cycle is
    “more representative,” the bottom or the top of the cycle? Based upon its testimony, JSC
    is also concerned that depressed operation due to business conditions will not be
    considered a reason why the 1994-1996 seasons are non-representative. As an example,
    JSC explained that operations at one of its facilities has been cut back since 1992-1993.
    JSC is concerned that IEPA would not allow JSC to substitute those years in place of two
    years from 1994-1996. Ex. 62 at 11. The Coalition expressed similar concerns. PC 10 at
    11-13.
    The participants are correct that IEPA’s testimony about what constitutes “non-
    representative” identified only catastrophic events. We agree that these conditions could
    justify replacement years. However, the participants’ concern about the lack of a
    definition of “non-representative” is valid. Fortunately, examination of the rule proposed
    at first notice provides a more expanded version of what conditions could justify a
    replacement year. Section 205.310(b)(1)(B) provides that a source proposing a substitute
    baseline emission year as provided in Section 205.320(a)(2) must include in its ERMS
    application “data on production types and levels from the proposed substitute year(s) and
    historical production data, as needed to justify that the proposed substitute year(s) is

    27
    representative.” Based upon the foregoing, a source can use production data to
    demonstrate, under Section 205.320(a)(2), that a year other than 1994, 1995, or 1996 is
    more representative of its seasonal VOM emissions.
    To clarify that IEPA is to consider this type of justification when determining
    baseline emissions under Section 205.320, new language has been added which requires
    IEPA to do so. The new language also provides examples of “non-representative
    conditions.” While these amendments are not a definition
    per se
    , they address the
    concerns raised by the Coalition, JSC, and the ALAMC. IEPA and the participants are
    reminded that this type of information is required in the ERMS application and, in turn,
    must be considered by IEPA when it determines the baseline emissions for a source
    seeking to substitute a year as more representative than 1994, 1995, or 1996.
    Accounting for Reductions due to Compliance with the NSR Program
    The Board at first notice requested that participants comment on whether a
    source’s baseline should be increased due to achieved NSR offsets. ERMS (July 10,
    1997), R97-13, slip op. at 18
    IEPA asserts that a source cannot increase its baseline based on emission
    reductions that have been used under the current Part 203 in exchange for a
    construction permit authorizing a major new source or major modification. IEPA
    maintains that these emission reductions are “no longer surplus” because they are
    required by the construction permit. Exh. 74 at 2-3.
    IEPA distinguishes emission reduction credits, which it describes as emission
    reductions that meet the requirements for emission offsets and could be used as offsets
    but have not been so used. IEPA states that a “source can argue that emission
    reduction credits that it has achieved do increase its baseline . . . because they will
    appear in the source’s baseline emissions as voluntary over-compliance.” Exh. 74 at 3.
    IEPA adds that pursuant to Section 205.320(g) a source may have its baseline
    reflect emission reduction credits obtained from another source for use as offsets. Exh.
    74 at 3. IEPA explained, however, that such emission reduction credits cannot be
    carried over into the ERMS if IEPA has relied on them in any formal attainment
    demonstration, including a reasonable further progress plan. Tr.10 at 37. IEPA
    describes this limitation as “a requirement for any emission reduction credit under the
    new source review program which we’re proposing to repeat in part 205.” Tr.10 at
    37.
    The Board finds
    IEPA’s explanation satisfactory, but notes that it has revealed an
    apparent oversight in Section 205.320(g)(2). That provision states that for emission
    reduction credits obtained from another source to be used in a baseline, IEPA must not
    have relied on them “for attainment demonstration purposes.” No mention is made of
    reasonable further progress. As referenced by IEPA, a similar provision in the Part 203

    28
    NSR regulations requires in part that emission offsets not have been previously relied on
    “for demonstrating attainment or reasonable further progress.” 35 Ill. Adm. Code
    203.303(b)(6) (emphasis added). Accordingly, the Board amends Section 205.302(g)(2)
    as follows:
    g)
    For any source which acquired emission reduction credits
    pursuant to a written agreement, entered into prior to January 1,
    1998, and such emission reduction credits were acquired for use
    as emissions offsets, in accordance with 35 Ill. Adm. Code 203,
    such emission reduction credits, adjusted for the seasonal
    allotment period, and reduced by 24 percent, shall be included in
    the baseline emissions determination for the source, only to the
    extent that:
    1)
    The Agency has issued a federally enforceable permit,
    prior to January 1, 1998, to the source from which the
    emission reduction credits were acquired, and such
    federally enforceable permit recognized the creation of the
    VOM emission reduction credits by the cessation of all
    VOM-emitting activities and the withdrawal of the
    operating permits for VOM-emitting activities at such
    other sources; and
    2)
    The Agency has not relied upon the emission reduction
    credits to demonstrate for attainment or reasonable further
    progress demonstration purposes.
    Accounting for Voluntary Over-Compliance
    Regarding the timing of voluntary over-compliance for purposes of increasing
    baselines pursuant to Section 205.320(d), the Coalition asserted at first notice that credit
    should be given for voluntary over-compliance achieved after the 1990 ozone season
    rather than after December 31, 1990, because the ERMS is based on the reduction of
    emissions of 1990’s ozone season. As proposed by the Coalition, the Board amended
    Section 205.320(d) to provide that baseline emissions be increased for voluntary over-
    compliance that occurred after September 30, 1990. ERMS (July 10, 1997), R97-13, slip
    op. at 32. IERG supports this change to Section 205.320(d).
    Since first notice, IEPA has explained why October 31, 1990, is the preferable
    starting date. The Board has revised Section 205.320(d) accordingly.
    In public comment, IEPA clarifies that USEPA allows states to rely on annual
    emissions data collected for the inventory base year through the end of that calendar year,
    subsequently adjusted for that year’s ozone season to reflect the ozone season weekday
    emissions. IEPA states that it followed this procedure in preparing the 1990 base year

    29
    inventory, using USEPA-designated ozone season for Illinois of April 1 - October 31.
    IEPA concludes that it would prefer setting the over-compliance date at October 31,
    1990, to coincide with the referenced ozone season. Tr.10 at 65-66; PC 17 at 13. The
    ALAMC concurs with IEPA’s suggestion to use October 31, 1990, as the over-
    compliance date. Tr.10 at 146.
    In public comments filed after first notice, the Coalition maintains its position that
    the 1990 over-compliance date should be September 30 to be consistent with the ERMS
    designated ozone season. PC 22 at 1-2. The Coalition argues that September 30, 1990, is
    more appropriate than October 31, 1990, because IEPA selected September 30 as the end
    of the Chicago area ozone season based on its own research regarding the frequency of
    ozone exceedences relative to the days of the year.
    Id
    .
    In response to these public comments of the Coalition, IEPA asserts that the
    Coalition “is missing the distinction between the ozone season for purposes of the base
    year inventory and for the ERMS.” PC 35 at 4. IEPA states that “the 1990 base year
    inventory was based on emissions for an ozone season day” and because that season
    extended through October, “reductions made in October may be reflected in the
    inventory.”
    Id.
    In its post-first notice public comment, JSC states that the focus should not
    be on the specific date in 1990 when the reduction was achieved, but rather on
    “whether IEPA included the reduction in calculating the baseline.” PC 23 at 5.
    Accordingly, JSC proposed language to implement its suggestion. PC 23 at 6.
    IEPA opposes JSC’s suggested language and asserts that the presently
    proposed rule “assures that all sources will be considered equitably and a source
    for which inaccurate information was included in the base year inventory, for
    whatever reason, will neither be penalized nor rewarded as a result of this error.”
    PC 35 at 4.
    The Board agrees with IEPA and the ALAMC that the over-compliance date in
    Section 205.320(d) should be October 31, 1990. As described above, IEPA has explained
    that it calculated the 1990 base year emissions inventory by adjusting for USEPA
    designated ozone season of April 1-October 31, 1990, to reflect ozone season weekday
    emissions. IEPA testified that it is concerned that using September 30, 1990, for the over-
    compliance date may result in increasing ERMS baselines based on reductions that
    occurred in October 1990 even though those reductions are already reflected in the 1990
    base year inventory. Tr.10 at 64-66; PC 35 at 4. IEPA also testified that using the
    October 31, 1990 date would not significantly affect reductions expected from ERMS.
    Tr.10 at 65.
    Accordingly, the Board changes Section 205.320(d) as follows:

    30
    d)
    The baseline emissions of any participating source shall be
    increased for voluntary over-compliance that occurred after October 31
    September 30, 1990 and results in a VOM emissions level that is lower
    than the level required by applicable requirements effective in 1996,
    including limitations in the source’s permit(s) based on such applicable
    requirements. . . . .
    Section 205.400 Seasonal Emissions Allotments
    This section identifies the criteria for establishing the allotment of ATUs for all
    participating sources. The participants in the rulemaking discussed (1) whether ATUs
    are “property rights;” and (2) whether ATUs should be permanent. The Board
    concludes (1) that ATUs are not “property rights,” and adds language to clarify that
    point; and (2) that ATUs should not be permanent.
    ATUs as Property Rights
    Mr. Trepanier, of the Blue Island Greens, and Mr. Burke, of the ALAMC, both
    raised a concern that the ERMS may create property rights in air pollution. Tr.10 at
    117-118, 132, 144-145. Mr. Trepanier testified that in doing so, the ERMS is not
    consistent with Section 9.8 of the Act, which he interprets as allowing only the sale of
    emissions reductions rather than pollution rights. Tr.10 at 118-119. He also testified
    that the rule would unfairly grant foreign corporations air rights in Illinois. Tr.10 at
    120.
    Mr. Burke stated that the ERMS raised some legal issues by granting sources
    ownership over air pollution rights. Tr.10 at 144. He did not specifically identify
    those legal issues.
    The Board does not agree that the ERMS creates property rights in ATUs. No
    language in the Act suggests that an ATU is a property right, and the proposed rules
    contemplate that allotments may be changed if “the Agency makes a demonstration to
    the Board, in accordance with the rulemaking provisions of Sections 9.8, 27 and 28 of
    the Act [415 ILCS 5/9.8, 27 and 28], that further reductions are needed.” 35 Ill.
    Adm. 205.400(d).
    4
    This language clearly indicates that no source has any property
    right in the ATUs.
    4
      
    This provision has been re-arranged to make it clear that it is the demonstration that
    must be made under Sections 9.8, 27 and 28 of the Act. The need for further
    reductions will be grounded in federal law and USEPA regulations; Sections 9.8, 27,
    and 28 merely set forth the standards and procedures that IEPA must follow in
    proposing that the Board adopt further reductions.

    31
    To remove any doubt as to the status of ATUs, however, the Board has added
    the following language to Section 205.400(d):
    An allotment or a baseline under this Part does not constitute a property
    right. Nothing in this Part shall be construed to limit the authority of the
    Board to terminate or limit such allotment or baseline pursuant to its
    rulemaking authority under Sections 9.8, 27 and 28 of the Act [415
    ILCS 5/9.8, 27 and 28].
    This provision is analogous to a provision in Title IV of the federal Clean Air Act,
    which establishes the sulfur dioxide allowance trading program for utilities. See 42
    U.S.C. § 7651b(f) (1996). This provision precludes any claim that a change in the
    level of allotments or a baseline is a “taking” of property for which compensation is
    required under the U.S. and Illinois constitutions.
    Cf.
    United States v. Fuller, 409
    U.S. 488, 489, 494 (1973) (a permit issued under the Taylor Grazing Act did not
    constitute property under the Takings Clause of the U.S. Constitution because that
    statute stated that the permit “shall not create any right, title, interest, or estate in or to
    the lands”).
    The Board recognizes that the vitality of the ERMS will be undermined if the
    level of allotments is changed capriciously. However, the requirement that such
    changes be made only through the Board’s rulemaking procedures and consistently with
    the requirements of Section 9.8 ensures that such changes will be made for good cause.
    In particular, given that ATUs have a life of two years once issued, the Board would be
    very concerned about any reduction of ATUs that have already been issued, as such a
    reduction could seriously interfere with sources’ existing compliance plans. This issue
    and other issues of concern could be thoroughly discussed in the additional rulemaking
    proceedings required by Section 205.400.
    The Board also disagrees with Mr. Trepanier’s assertion that the ERMS is
    inconsistent with Section 9.8 on the grounds that it creates a market in “pollution
    rights” rather than “emissions reductions.” The ERMS requires participating sources
    to decrease their emissions by 12%, and enforces that requirement by issuing to each
    source ATUs equal to only 88% of its baseline emissions. Sources may sell ATUs
    equivalent to any reductions beyond that required 12% decrease. Sources therefore
    will have ATUs to sell only if they reduce their emissions below their allotted ATUs.
    In effect, therefore, the market that the ERMS creates is a market based on emission
    reductions. The ATUs are merely an accounting device, and the fact that IEPA has
    chosen to issue ATUs for a source’s baseline, rather than only for reductions below a
    source’s baseline (as Mr. Trepanier suggests), does not change the fact that a market
    will exist only if there are unused ATUs, which generally result only from reductions.
    The Board therefore finds that the ERMS is consistent with Section 9.8 of the Act.

    32
    The Term of ATUs
    Under Section 205.400(b) of the proposed rule, ATUs have a term of two
    years. In its initial public comment, Tenneco asserted that ATUs should be permanent,
    as are allotments in the federal SO
    2
    trading program for utilities. At first notice, the
    Board found that changing Section 205.400(b) to make ATUs permanent was not
    warranted on the record before it, but invited comments concerning this issue. USEPA
    addressed this subject in its public comment, and IEPA submitted testimony on this
    topic at the August 19 hearing.
    USEPA urges the Board to reject Tenneco’s request, stating:
    Giving allotment trading units permanent life would allow businesses to
    hoard allotment trading units, distorting the market and potentially
    leading to big spikes in emissions levels in later years. Consequently,
    such a change could jeopardize USEPA approval of the trading rule as a
    component of the State’s plan for achieving 9% reductions by 1999 and
    jeopardize the State’s ability to meet the ozone air quality standard. PC
    19 at 2.
    USEPA distinguishes the proposed ERMS from the federal SO
    2
    trading program on the
    basis that the federal program is designed to address long term cumulative ecological
    damage, whereas the ERMS is designed to address ambient levels of ozone on
    particular days in Chicago, which present an immediate threat to health.
    Id.
    IEPA also opposes making ATUs permanent. Mr. Roger Kanerva of IEPA
    testified that SO
    2
    and ozone present fundamentally different types of environmental
    problems requiring different approaches. Exh. 75 at 1. Mr. Kanerva identified three
    significant differences between the federal acid rain program and the Chicago ERMS.
    First, ozone standards are based on short term exceedences and rapidly varying ozone
    concentrations, as opposed to slowly varying levels of acidity in rainwater, lakes and
    streams over a period of years. Accordingly, while year to year fluctuations in SO
    2
    emissions caused by banking would not have a significant impact on achieving the
    ultimate goal of the acid rain program, one day’s high emissions of ozone precursors
    cannot be offset by a previous year’s lower emissions. Exh. 75 at 2, 3; Tr.10 at 24.
    Second, the CAA requires Illinois to meet specific ROP requirements based on annual
    incremental reductions in emission of ozone precursors. The acid rain program does
    not have ROP requirements, so use of banked ATUs does not present a danger of
    violating ROP levels. Exh. 75 at 3; Tr.10 at 24. Finally, ozone precursors have a
    very short term impact on ozone levels, whereas acid rain precursor emissions can have
    a multi-year effect. Consequently, reductions in SO
    2
    emissions in one year can have an
    effect in future years, which is not true for ozone precursors. Exh. 75 at 3; Tr.10 at
    24-25. IEPA also suggests that having ATUs of finite duration will encourage trading
    and still allow for limited banking. Exh. 75 at 3-4; Tr.10 at 26.

    33
    The Board finds that no change in the duration of ATUs under Section 205.400(b)
    of the proposed rule is warranted. The Board also notes that under Section 205.400(b) as
    originally proposed, ATUs issued pursuant to Sections 205.315(a) and (c), 205.500, and
    205.510 are not subject to Section 205.400(b)’s two-season limit on validity. While
    Section 205.500 imposes limits on the duration of ATUs issued pursuant to its provisions,
    Section 205.510 contains no such limits, leaving open the possibility of issuance of ATUs
    pursuant to Section 205.510 with unlimited life. For the reasons set forth above, the
    Board finds that this is inappropriate. Accordingly, subsection 205.510(d) has been
    modified by adding the following sentence at the end of the subsection:
    Such ATUs shall only be valid for the seasonal allotment period in which
    the emission reductions were achieved, unless the Agency specifies in its
    approval that such ATUs shall be valid for the seasonal allotment period
    following issuance and for the next seasonal allotment period.
    In addition, because of changes to Section 205.315 discussed above at pages 22 -
    25, the exemption of ATUs issued under subsections 205.315(a) and (c) is no longer
    necessary. The Board has deleted the reference to those subsections in Section
    200.400(b). The Board also has made minor changes to Sections 205.337(b)(3) and
    205.400(g) for consistency.
    Section 205.405 Exclusions from Further Reductions
    This section establishes exclusions from the 12% reduction requirement for
    emission units that comply with various emission standards. The participants in the
    rulemaking discussed five issues regarding this rule. First, they discussed how
    emissions units may comply with Maximum Achievable Control Technology (MACT)
    standards to come within the exclusion from the 12% reduction requirement. As
    explained below, t
    he Board concludes that compliance with MACT will be determined
    under the relevant MACT standard.
    Second, the participants discussed whether
    an emission unit that meets a MACT
    or NESHAP standard promulgated after 1999 should be excluded from the requirement to
    reduce emissions by 12%. The Board concludes that such units should not be excluded
    from this requirement.
    Third, the participants discussed this section’s exclusion from the VOM reduction
    requirements for units that meet LAER. The Board finds this exclusion appropriate.
    Fourth, the participants discussed whether there should be an annual emissions
    limit on federal hazardous air pollutants or state toxic air contaminants. The Board finds
    that, at this point, there should not be such a limit.

    34
    Fifth, the participants discussed whether the definition of BAT should be
    modified. The Board finds that the definition should be modified in accordance with
    IEPA’s suggestions.
    These five issues are discussed in turn below.
    How Emission Units May Comply with MACT
    At first notice, the Board requested comment to clarify how emission units may
    comply with MACT standards to come within the Section 205.405(a)(1) exclusion from
    the 12% reduction. ERMS (July 10, 1997), R97-13, slip op. at 41.
    Tenneco states that USEPA promulgates MACT by source category and that,
    after promulgation, all emission units that USEPA reviewed in that category are subject
    to MACT, meaning that all such “emission units must implement MACT whether
    MACT is specific controls or no controls.” Exh. 77 at 5-6. Tenneco argues that if
    “USEPA determines that MACT for an emission unit is no controls or USEPA
    otherwise declines to require controls for an emission unit evaluated in its MACT
    process, the ERMS rules should recognize that the facility is implementing MACT for
    that unit.” Exh. 77 at 8. In addition, Tenneco argues that Section 9.8(c)(4) of the Act
    requires that the ERMS rules provide that all emission units that comply with MACT,
    even if MACT is no controls, should be excluded from further reductions of VOM
    emissions under ERMS. Exh. 77 at 6-7. Tenneco concludes that Section
    205.405(a)(1) as written is consistent with its position and, accordingly, requests no
    language change. Exh. 77 at 3-4, 6.
    IERG states that “[w]hether an emission unit has achieved MACT should be
    determined based on the criteria in the governing MACT rule” and that the “methods
    of achieving MACT vary depending on the specific underlying rule.” Exh. 76 at 11.
    IERG provides four examples of how MACT may be achieved (application of control
    technology; implementation of particular work practices or operating methods; presence
    of particular physical features of an emission unit; or use of certain raw materials) and
    concludes that MACT may be achieved by methods other than control devices. IERG
    states that if “the unit has met the requirements of MACT, by any allowed means, this
    unit would be excluded from the 12% reductions . . . .” Exh. 76 at 11 (emphasis in
    original).
    IEPA states that the
    Section 205.405(a)(1) MACT
    exclusion applies to emission
    units that are “subject to and complying with” MACT. PC 17 at 17. Like IERG,
    IEPA recognizes that MACT offers “different compliance alternatives such as add-on
    control equipment, work practice requirements, physical features of the emission unit,
    or use of certain raw materials.” PC 17 at 17. IEPA concludes that compliance “by
    any of the means or alternatives set forth in the relevant MACT” is sufficient to qualify
    for the exclusion from the 12% reduction, but that an emission unit not subject to
    MACT “based on an applicability threshold . . . would not qualify for the exclusion
    from reduction.” PC 17 at 17.

    35
    IEPA also states that the exclusion provided by Section 205.405(a)(1) applies to
    emission units, not to an entire facility. IEPA argues that it does not follow that USEPA’s
    promulgation of MACT for a source category would bring all emission units at a facility
    within Section 205.405(a)(1) just because that facility had an emission unit subject to and
    in compliance with the MACT standard. IEPA states that any such interpretation would
    jeopardize the State’s ability to meet the ROP. PC 17 at 16.
    The Board finds that for an emission unit
    5
    to be able to come within the Section
    205.405(a)(1) MACT exclusion, the emission unit must be subject to and in compliance
    with a MACT standard. Whether the emission unit is subject to and in compliance with a
    MACT standard is to be determined by the applicability and compliance criteria,
    respectively, of the given MACT standard. In addition, the Board agrees with IEPA that
    only emission units may come within Section 205.405(a)(1).
    Exclusion of Emission Units Meeting MACT or NESHAP
    Standards Promulgated
    After
    1999
    In response to Tenneco’s comments, the Board at first notice amended Section
    205.405(a) so that an emission unit that meets a MACT or NESHAP standard
    promulgated after 1999 would be excluded from the 12% reduction. ERMS (July 10,
    1997), R97-13, slip op. at 33.
    IEPA opposes this change, asserting that it is beyond the scope of Section
    9.8(c)(4) of the Act and may jeopardize the State’s ability to meet ROP milestones. PC
    17 at 13-16. Section 9.8(c)(4) requires that the ERMS rules include provisions that:
    Assure that credit is given or exclusion granted for those emission units
    which have reduced emissions, either voluntarily or through the
    application of maximum available control technology or national
    emissions standards for hazardous air pollutants, such that those
    reductions would be counted as if they had occurred after the initiation
    of the program. 415 ILCS 5/9.8(c)(4) (1996).
    IEPA argues that this provision does not address “emissions reductions from
    MACT or a NESHAP which occur after the initiation of the program,
    i.e
    ., after
    1999.” PC 17 at 14. IEPA adds that under the ERMS rule as proposed by IEPA,
    “reductions made by sources after 1999 to comply with MACT or a NESHAP would
    be, in essence, voluntary for purposes of ERMS and such sources may use reductions
    5
    The Board notes that the definition of “emission unit” in Part 211, which is incorporated
    by reference into the ERMS rule, includes “any part or activity at a stationary source that
    emits or has the potential to emit any air pollutant.” 35 Ill. Adm. Code 211.1950. The
    Board therefore has stricken as redundant all references to “activities” in the phrase
    “emissions units or activities” wherever used in the ERMS rule. Similarly, the Board has
    stricken the word “process” where appropriate.

    36
    achieved to meet their obligation under the ERMS or may bank or trade.” PC 17 at
    14.
    IEPA also argues that the change made by the Board at first notice may
    jeopardize the State’s fulfillment of ROP. IEPA states that emissions reductions
    required by ERMS will not be creditable toward Illinois’ ROP plan if this level of
    reduction is lessened in future years because a source’s baseline emissions and
    allotments increase after 1999 by meeting new MACT or NESHAP standards. PC 17
    at 13-14. IEPA adds that MACT regulations expected after 1999 may encompass as
    much as two thirds of all ERMS sources without exacting significant VOM reductions.
    IEPA concludes that “most of the 12% emission reductions achieved initially by the
    program will be returned to the sources,” which “would likely be considered
    backsliding by USEPA.” PC 17 at 15-16.
    ALAMC also opposes the change made at first notice for similar reasons. Tr.10
    at 141. ALAMC adds that because Section 9.8(c)(4) of the Act allows exclusion or
    credit to be granted for emission units that meet MACT or NESHAPs, credit should be
    provided by adjusting the baselines of sources rather than providing exclusion. Tr.10
    at 142, PC 30 at 3.
    In its public comment filed on September 8, 1997, USEPA urges that the final rule
    “provide no adjustments of allotments when future MACT standards are promulgated.”
    PC 29 at 2. Like IEPA and ALAMC, USEPA argues that the revision made at first notice
    would jeopardize Illinois’ ability to meet the 9% ROP. It notes that because it is unclear
    what MACT standards will be adopted in the future and what impact they will have on
    Chicago area industry, it cannot predict what reductions, if any, would result from
    compliance with such new standards or “what the magnitude of the foregone 12 percent
    reductions might be.” PC 29 at 1.
    In addition, USEPA argues that the amendment is unnecessary because if “a future
    MACT rulemaking in fact signifies that existing control reflects best available control for
    VOC, the source has already had the option to seek the relief” from the 12% reduction by
    demonstrating BAT under Section 205.405(b). PC 29 at 1-2. USEPA also expresses
    concern that because of the revisions made at first notice, the language of Section
    205.405(a) can be interpreted in different ways. PC 29 at 2.
    JSC states that it shares IEPA’s concern about the MACT exclusion as proposed
    and, as an alternative, suggests that an emission unit would qualify for the MACT
    exclusion if:
    (1) the standard is adopted prior to [the] end of the 1999 seasonal
    allotment period (even though compliance may not be required until three
    years later), and (2) the unit achieves compliance with the standard before
    the end of the same allotment period, thereby awarding a source for
    achieving early compliance with the standard. PC 23 at 6-7.

    37
    In response to JSC’s comments, IEPA asserts that allowing a unit to come within
    the exclusion through compliance with MACT by as late as the end of the 1999 seasonal
    allotment period (
    i.e
    ., September 30, 1999) is inconsistent with the goal of achieving
    emissions reductions during the 1999 seasonal allotment period (
    i.e
    ., May 1-September
    30, 1999) to meet the ROP requirement for 1999. PC 35 at 5. IEPA adds that it “would,
    however, agree to consider emission units for exclusion if the unit complies with MACT
    before May 1, 1999.”
    Id.
       
    The Board agrees that allowing for exclusion from the 12% reduction by meeting a
    MACT or NESHAP standard promulgated after 1999 is not required by Section 9.8(c)(4)
    of the Act and could jeopardize the State’s ability to meet ROP requirements. The Board,
    however, finds that neither the ALAMC nor JSC provided sufficient reasons for their
    respective proposed changes. In addition, IEPA raises a valid concern about Illinois’
    ability to meet the 9% ROP target if JSC’s language is adopted.
    As discussed above, the language originally proposed by IEPA on this issue was
    removed at first notice. This language, which stated that the emission unit had to be “in
    operation prior to 1999,” suggested that the emission unit must comply with MACT or
    one of the other requirements before January 1, 1999. IEPA, however, now indicates that
    it would be amenable to allowing an emission unit to come within the exclusion if it met
    MACT prior to May 1, 1999, the start of the first seasonal allotment period. This is
    consistent with Section 9.8(c)(4) of the Act in that May 1, 1999, should be considered
    “the initiation of the program.” 415 ILCS 5/9.8(c)(4) (1996).
    Moreover, such MACT compliance would show that any resulting emissions
    reductions were occurring during the 1999 seasonal allotment period, which is consistent
    with the goal of meeting the 9% ROP target as described by IEPA. There is no reason,
    however, that this rationale would apply only to the MACT exclusion and not to the other
    exclusions, for example, NESHAP, LAER, and BAT. Accordingly, set forth below are
    the Board’s amendments to Section 205.405(a) and (b):
    a)
    VOM emissions from the following emission units or activities, if
    satisfying Section 205.405(a)(1), (2) or (3) prior to May 1, 1999,
    shall be excluded from the VOM emissions reductions
    requirement specified in Section 205.400(c) and (e) of this
    Subpart as long as such emission units continue to satisfy Section
    205.405(a)(1), (2) or (3):
    1)
    Emission units or activities that comply with any
    NESHAP or MACT standard promulgated pursuant to the
    CAA;

    38
    2)
    Direct combustion emission units designed and used for
    comfort heating purposes, fuel combustion emission units
    and internal combustion engines; and
    3)
    An emission unit for which a LAER demonstration has
    been approved by the Agency on or after November 15,
    1990.
    b)
    When it is determined that an emission unit in operation prior to
    1999 is using, prior to May 1, 1999, BAT the best available
    technology for controlling VOM emissions, VOM emissions from
    such emission units shall not be subject to the VOM emissions
    reductions requirement specified in Section 205.400(c) or (e) of
    this Subpart as long as such emission unit continues to use such
    BAT. The owner or operator of a source may request such
    exclusion from further reductions by providing the following
    information, in addition to the information required in Section
    205.310 of this Part, in its ERMS application:
    1)
    Identification of each emission unit for which exclusion is
    requested, including the year of initial operation of such
    emission unit;
    2)
    Identification of all requirements applicable to the
    emission unit;
    3)
    A demonstration that the emission unit is using BAT the
    best available technology for controlling VOM emissions;
    4)
    Identification of the permitted VOM emissions from the
    emission unit;
    5)
    VOM emissions from the emission unit for each seasonal
    allotment period used in the baseline emissions
    determination for the source; and
    6) A description and quantification of any reductions in
    VOM emissions that were achieved at the emission unit or
    source based on its use of BAT the best available
    technology.
    Subsection (c) of Section 205.405 also has been amended to expressly cross-
    reference subsections (a) and (b).

    39
    Exclusion for Emission Units that Meet LAER
    ALAMC is concerned about Section 205.405’s exclusion from the VOM
    reduction requirements for units that meet LAER. Mr. Burke testified, “The concern
    again is that while the rate may be set, production could increase, and therefore, total
    emissions could increase thereby defeating the overall purpose of this plan . . . .”
    Tr.10 at 141.
    ALAMC states that “IEPA has informed us that, because sources granted
    exclusions will still be given ATUs, their seasonal emissions will effectively be capped,
    although these sources will not be subject to emissions reductions requirements of
    Section 205.400(c) and (e). This could satisfactorily address our concern . . .
    However, the proposed rule does not appear to clearly require this approach. Section
    205.405 excludes sources from sections 205.400(c) and (e) which not only specify the
    reduction requirements but also the requirement that participating sources be given
    initial allotments based on baseline emissions. As a result, excluding sources from
    these subsections might also exclude them from the initial allotment that IEPA suggests
    would act as an emissions cap.” PC 30 at 3. ALAMC suggests that the Board add
    language to Section 205.400 “that clearly establishes an initial ATU allotment for
    exempted sources equal to baseline emissions.”
    Id.
    The Board does not agree with ALAMC’s reading of this regulation. Section
    205.405 expressly states that VOM emissions from certain units, including those that
    meet LAER, “shall be excluded from the VOM emissions reductions requirement in
    Section 205.400(c) and (e) of this Subpart . . . .” Section 205.405 does not exclude
    such units from the portions of Sections 205.400(c) and (e) that provide for allotments
    to sources based on the baseline emissions for such source. Baselines will include
    emissions from LAER units, so Section 205.400 already establishes an ATU allotment
    for units excluded from further reduction requirements.
    Annual Emissions Cap for Hazardous Air Pollutants and Toxic Air Contaminants
    Mr. Burke of ALAMC urged the Board to “establish an annual emissions cap
    for participating sources based on actual historic emissions for HAPs [hazardous air
    pollutants] and state toxic air contaminants (TACs) until such time as MACT or
    NESHAP are met.” Tr.10 at 137. The Act provides that the Board is to give credit
    for, or exclude, units that meet either of these standards. 415 ILCS 5/9.8(c)(4) (1996).
    Mr. Burke testified that an annual limit on a source’s HAP and TAC emissions
    is needed to prevent the “toxic hot spots” that otherwise could arise from two features
    of the ERMS. First, because the ERMS does not distinguish between toxic and non-
    toxic VOMs, there is a risk that “a source could purchase ATUs generated from non-
    toxic VOM emissions to either avoid decreasing or to actually increase toxic VOM
    emissions,” at least before MACT standards are promulgated. Tr.10 at 136. Second,
    the ERMS creates the potential for “off-season [
    i.e.
    , off-ozone season] increases in

    40
    toxic VOM emissions.” Tr.10 at 136. Mr. Burke also urged that the Board require
    sources to provide “information on toxic VOMs (both federally- and Illinois-
    designated)” in seasonal emissions reports, the ERMS application, and the compliance
    audit file. PC 30 at 1.
    At the August 19, 1997 hearing, Mr. Kanerva of IEPA asked Mr. Burke about
    “utilizing the information from the first year or two of a report to start to give us a real
    empirical basis to judge whether or not unusual patterns would develop with HAP
    emissions and then work out some sort of possible regulatory action to address that
    HAP.” Tr.10 at 149. Mr. Burke replied, “we think it’s appropriate to take steps to
    actually prevent the problem from happening in the first place.”
    Id
    .
    Amoco filed a public comment opposing an annual emissions cap on HAPs and
    TACs. PC 28 at 2. Amoco stated:
    Most facilities expected to be subjected to ERMS face a variety of
    controls on emissions. These include U.S. and Illinois limits on VOM
    and TAC/HAP (LAER, [Reasonably Available Control Technology],
    [New Source Performance Standards], NESHAP, MACT, etc.). Each
    of these rules is enforceable independent of ERMS, and the imposition
    of ERMS on a source will not relieve the source of its obligation to
    comply with any existing obligations. . . . Therefore, it is erroneous to
    conclude that ERMS will result in an increase in the probability of
    localized ‘‘toxic hot spots.’’ In fact, since ERMS imposes an overall
    requirement for 12% VOM emission reduction, it is almost certain that
    there will be a decrease in TAC/HAP emissions.
    Id
    .
    IERG also opposes an annual emissions cap on HAPs and TACs. IERG cites
    the following testimony of Mr. Philip O’Connor of Coopers & Lybrand at the January
    21, 1997 hearing:
    The reason that [toxic hot spots are] unlikely to occur is that most
    emitters of these products today are already licensed to emit at some
    certain level and that level was associated in some reasonable way with
    its capacity to produce the product that it’s interested in producing. In
    most cases, you really are not in a position to go out and acquire these
    large number of allowances and somehow change your operation as such
    to produce that much more of the product resulting in some widely or
    dramatic increase in emissions. I think that the economics actually argue
    against the expectation that there [will be] this highly localized, very
    adverse effect. PC 20 at 9, quoting Transcript of January 21, 1997, at
    219-221.
    IERG reaffirms Mr. O’Connor’s testimony, and suggests that it would be appropriate
    for the Board to revisit the issue after the ERMS has been in operation. PC 20 at 9.

    41
    The Board finds that the record does not support an annual emissions cap for
    HAPs and TACs. As Amoco notes, many of these sources are or will be regulated
    under other regulations that will limit their emissions of HAPs and TACs apart from
    the ERMS. Even if they were not, Mr. Burke himself admitted that “there’s clearly a
    limit on the potential [for toxic hot spots] given the declining cap on total VOM
    emissions. . . .” Tr.10 at 136. As Mr. O’Connor pointed out, the economics of
    production also make it unlikely that sources will dramatically increase their emissions
    of HAPs and TACs. The Board therefore declines to impose an annual emissions cap
    for HAPs and TACs at this time. In addition, the Board finds that the additional
    reporting requirements that ALAMC requests would be better considered in the
    rulemaking to develop TAC regulations under Section 9.5 of the Act. At that time, the
    Board could consider existing reporting requirements under other programs and avoid
    duplication.
    Definition of BAT
    Several participants requested that the Board provide a more detailed definition of
    BAT.
    ALAMC’s Suggested Language. Mr. Burke of ALAMC suggests that BAT is the
    “maximum degree of VOM reduction as being at least as pronounced [as] the greatest
    level of reductions for comparable units.” Tr.10 at 140. Although it is not currently
    specified in the definition of BAT nor in Section 205.405 exclusions, the ALAMC
    contends that IEPA’s testimony suggests that the standard being proposed by ALAMC
    would be used in reviewing requests for the BAT exclusion. PC 30 at 3.
    The Board finds that the change suggested by the ALAMC to clarify the definition
    of BAT does not reflect the proposed intent of the rules. By defining BAT in terms of
    VOM reduction as being at least as pronounced as the greatest level of reduction for
    comparable units, the rules would be requiring emission units seeking BAT determinations
    to achieve reductions as stringent as LAER or MACT in certain cases. In this regard, the
    Board notes that the BAT for an emission unit is not intended to be more stringent than
    the BACT for such unit as determined contemporaneously under the PSD program. PC
    35 at 9. In light of this, the Board declines to make the changes suggested by the
    ALAMC. However, the Board notes that it has made a clarifying change to the definition
    of BAT, as suggested by IEPA (PC 35 at 14), to reflect that BAT for an emission unit
    shall not be more stringent than BACT for such a unit as determined contemporaneously
    under the PSD program. (See discussion below.)
    Tenneco’s Request for an Upper Numerical Limit. Tenneco requested that the
    Board define BAT by adopting an upper numerical emission reduction limit on BAT
    determinations for the purposes of Section 205.405. PC 7 at 2. In this regard, Tenneco
    suggested 95% capture and control as a reasonable emission reduction limit for defining
    BAT. In adopting the ERMS proposal for first notice, the Board declined to accept

    42
    Tenneco’s suggestion due to lack of any technical justification in support of the numerical
    standard for BAT. ERMS (July 10, 1997), R97-13, slip op. at 40. However, the Board
    noted that the participants could present justification for a numerical limit for BAT during
    first notice for future consideration of the Board. Tenneco and IEPA addressed numerical
    limits for BAT in their testimony and post-hearing comments.
    Tenneco states that the Board’s definition of BAT does not set an upper boundary
    on how stringent BAT can be. Exh. 77 at 11. Tenneco contends that if an upper
    boundary is not specified in the rules, IEPA will have unfettered discretion in making BAT
    determinations. Further, Tenneco asserts that in some cases, allowing IEPA to make BAT
    determinations without an upper boundary may lead to determinations that are
    inconsistent with other provisions of the ERMS such as the MACT exclusion. Exh. 77 at
    11.
    Tenneco states that the Board’s finding that the numerical limit was not technically
    justified misperceives the proposed intent. Exh. 77 at 13. Tenneco notes that it is not
    asking the Board to decide that a 95% capture and control system meets a clearly defined
    standard; rather, it is asking the Board to set a upper limit that clearly defines what BAT
    means for the regulated community. Exh. 77 at 13. Tenneco argues that the proposed
    upper limit serves the same purpose as the New Source Performance Standards, which set
    the lower limit on the definition of BAT. In this regard, Tenneco notes that IEPA has not
    provided any technical justification to support the lower limit. Exh. 77 at 13-14.
    Tenneco believes that 95% capture and control is a reasonable upper limit for
    BAT. In this regard, Tenneco cites a number of federal MACT standards which require
    capture and control level of 95%. Tenneco notes that even the most stringent state VOM
    controls rarely require capture and control levels above 95%. Exh. 77 at 12. In view of
    this, Tenneco urges the Board to amend the ERMS rules to provide that emission units
    which capture and control 95% of VOM meet BAT.
    Tenneco reiterates its concern regarding the proposed definition of BAT in its
    post-hearing comments. Tenneco states that an upper limit should be set for BAT because
    determining BAT will be very expensive. In this regard, Tenneco notes that a BAT
    determination is likely to resemble a BACT determination and will be expensive to
    perform since it will be done on a case-by case basis, taking into account a variety of
    impacts. PC. 25 at 7. In addition, Tenneco contends that without an upper limit, the
    implementation of BAT will also be very expensive. Tenneco asserts that by adopting the
    current definition, the Board has failed to place any limit on the technology or expense
    which IEPA can require of sources. PC. 25 at 9.
    Zenith Electronics Corporation (Zenith) and Henri Studio, Inc. (Henri Studio)
    support Tenneco’s request for an upper numerical emission reduction limit. PC 24 at 3.
    They note that the request to exclude units that achieve 95% VOM reduction from further
    reductions clarifies IEPA’s intent that a LAER standard will not be imposed upon sources
    that seek BAT determinations.
    Id
    . Alternatively, like Tenneco, Zenith and Henri Studio

    43
    suggest that the Board place a limitation on BAT based upon cost. They recommend the
    same dollar amount suggested by Tenneco,
    i.e
    . $10,000 per ton of emission reduction, as
    the upper limit.
    Zenith and Henri Studio contend that without further clarification of the definition
    of BAT, a source subject to ERMS may be regulated twice. They argue that sources
    which may have taken production limits to avoid NSR requirements (LAER and offsets)
    would be subject to a 12% VOM reduction or BAT determination that may be equivalent
    to LAER.
    Id
    . Zenith and Henri Studio suggest amendments to the ERMS rules that are
    similar to those proposed by Tenneco.
    Dart Container Corporation (Dart) also agrees with Tenneco’s position that the
    proposed definition of BAT gives IEPA entirely unfettered discretion in determining
    whether a source meets BAT. PC 32 at 4. Regarding the standard for the Board’s review
    of IEPA BAT determinations, Dart contends that since IEPA is unwilling to set an upper
    limit on BAT, the burden of proof should shift to IEPA to prove that the source does not
    meet the BAT standard in a given situation. PC 32 at 5. By contrast, JSC concurs with
    IEPA that BAT must be determined upon a case-by-case evaluation. PC 23 at 3.
    IEPA opposes the amendment of the BAT provisions to include a particular level
    of capture and control to define BAT. Exh. 74 at 12 and Tr.10 at 19. IEPA states that
    Tenneco’s suggestion that 95% capture and control of VOM be deemed BAT is not
    appropriate. In this regard, IEPA notes that the capture and control efficiency for many
    emission units exceed 95%. IEPA notes that under the Board regulations, the standards
    for VOM control devices range from 60% to 98%. Exh. 74 at 13. IEPA also believes
    that specifying a particular level of control as BAT may preclude sources from pursuing
    BAT determinations for emission units with lesser control, or may allow sources to
    designate emission units as BAT in cases in which individual scrutiny would show
    otherwise. IEPA asserts that the different natures and potentially unique circumstances of
    emission units require that they be considered individually. PC 27 at 7.
    Further, IEPA argues that the proposed definition of BAT is consistent with the
    definitions of BACT and MACT. IEPA states that like BAT, the definitions of BACT and
    MACT include provisions that set forth the minimum level of emission control necessary
    to constitute BACT or MACT.
    Id
    . Further, IEPA notes that like BAT, the definitions of
    BACT and MACT do not include provisions that specify a pre-determined maximum level
    of control that is deemed to constitute BACT or MACT. IEPA contends that for both
    BACT and MACT, the regulatory authority is charged to determine the level of control.
    PC 27 at 8.
    Regarding Tenneco’s concern that the proposed rules allow IEPA too much
    discretion in making BAT determinations, IEPA notes that it is already administering
    BACT on a case-by-case basis and it will be administering MACT beginning in July 1998.
    PC 27 at 8. Further, IEPA notes that the BAT provisions under ERMS are based on
    BACT and, as such, they incorporate USEPA’s Top-Down BACT methodology. In view

    44
    of this, IEPA contends that reliance on this methodology will provide certainty in BAT
    determinations. PC 35 at 9. In addition, IEPA states that the sources will be able to
    petition the Board for review if they are not satisfied with IEPA determinations
    concerning BAT. Finally, IEPA notes that BAT is not a mandatory element of ERMS, but
    an optional provision. IEPA notes that there is no requirement in the ERMS that a
    particular unit achieve BAT. PC 35 at 6.
    The Board declines to accept the changes suggested by Tenneco, Zenith, and
    Henri Studio to specify an upper boundary on BAT. The Board finds that the BAT
    determinations must be made case-by-case based upon technical feasibility and
    consideration of energy, environmental, and cost impacts. The Board agrees with IEPA
    that it is inappropriate to apply a pre-determined level as BAT for a variety of emission
    units at participating sources. Considering that it is possible to achieve control efficiencies
    beyond 95%, the Board agrees with IEPA that setting the upper limit at 95% would result
    in level of reductions that would be significantly lower in certain cases.
    The Board disagrees with Tenneco that the proposed definition of BAT gives
    IEPA unfettered discretion in BAT decisions. Given that the BAT definition reflects
    USEPA’s Top-Down BACT methodology, the Board believes that sufficient guidance will
    be available to provide certainty in BAT determinations. To clarify this point, the Board
    has revised the definition of BAT so that it now provides that BAT for an emission unit
    may not be more stringent than BACT for such unit as determined contemporaneously
    under the PSD program. Further, the Board notes that a source may appeal IEPA’s BAT
    determination.
    The Board recognizes that sources will incur some cost to make a BAT
    demonstration, as Tenneco argues. However, such costs must be weighed against the
    potential benefit to the source,
    i.e
    . obtaining an exclusion from reduction requirements of
    the ERMS. In this regard, the Board notes that Tenneco has not provided any cost figures
    to show that the cost of preparing a BAT demonstration would be unreasonable.
    Tenneco’s Request that BACT be an Upper Boundary on BAT. In lieu of a
    numerical limit for BAT, Tenneco suggests that the Board set BACT as the upper
    boundary on BAT. In this regard, Tenneco notes that IEPA’s testimony supports setting
    an upper limit on BAT at BACT. The Coalition had recommended a similar change at
    first notice.
    At first notice, the Board noted that the changes suggested by the Coalition had
    potential merit and asked the participants to address the BAT/BACT issue at hearing.
    Specifically, the Board directed the participants to comment on adding a new subsection
    (a)(4) under Section 205.405(a) that would exclude emission units that will or have
    achieved BACT. ERMS (July 10, 1997), R97-13 at 42.
    In response, IEPA states that it is opposed to an exclusion based on the
    achievement of BACT. Exh. 74 at 14. The ALAMC concurs with IEPA’s position. PC
    30 at 3. The Coalition did not address this issue at hearing or in its post-hearing

    45
    comments. However, the Coalition’s suggestion concerning BAT has been proposed by
    Tenneco, as one of the alternatives, to address its concerns relating to the definition of
    BAT. PC 25 at 16.
    IEPA states that, in general terms, BAT is intended to be less stringent than
    BACT. Exh. 74 at 14 and Tr.10 at 21. However, IEPA points out that results of BAT
    determinations may not be less stringent than any historical BACT determination. In this
    regard, IEPA notes that BACT determinations have been made for emission units in
    attainment areas under the PSD program for almost 20 years by USEPA and individual
    states. Thus, IEPA believes that without appropriate qualifications, an exclusion tied to
    BACT would not provide an assurance that a high level of VOM control is being achieved
    to warrant an exclusion from 12% reduction under the ERMS. Exh. 74 at 15-16.
    Further, IEPA notes that it was unable to articulate the appropriate qualifications that
    could be used in a regulatory context. Tr.10 at 46.
    However, IEPA suggests the addition of the following provision to the definition
    of BAT at Section 205.130 to confirm that BAT will not be more stringent than BACT as
    would be determined under the PSD program: “Best Available Technology for an
    emission unit shall not be more stringent than Best Available Control Technology as
    would be determined for such unit under the federal rules for Prevention of Significant
    Deterioration of Air Quality (PSD), 40 CFR § 52.21 (1996).” PC 35 at 9.
    Based on the clarifications provided by IEPA concerning the relationship between
    BAT and BACT, the Board declines to make the changes suggested by the Coalition and
    Tenneco. However, the Board accepts the clarifying amendment to the definition of BAT
    suggested by IEPA, with a slight modification. The Board modifies IEPA’s amendment
    by adding the term “contemporaneously” in order to emphasize that BAT may be more
    stringent than an historical BACT determination. The Board believes that this clarification
    provides sufficient guidance and certainty for BAT determinations. Accordingly, the
    definition of BAT in the instant regulations at Section 205.130 has been amended as
    follows:
    “Best aAvailable tTechnology” or “(BAT)” means an emission level
    based on the maximum degree of reduction of VOM emitted from or
    which results from any emission unit, which the Agency, on a case-by-
    case basis, taking into account energy, environmental and economic
    impacts, determines is achievable for such unit through application of
    production processes and available methods, systems, and techniques for
    control of VOM, considering the features and production processes and
    control methods, systems, and techniques already used for the unit.
    BAT for an emission unit shall not be more stringent than Best Available
    Control Technology (BACT) as would be determined contemporaneously
    for such unit under the federal rules for Prevention of Significant
    Deterioration of Air Quality (PSD), 40 CFR
    § 52.21 (1996)
    . In no event
    shall application result in emissions of VOM which exceed the emissions

    46
    allowed by any standard established pursuant to Section 111 of the Clean
    Air Act, if such a standard is applicable to the category of emission unit.
    Given this amendment, the Board finds it unnecessary to adopt Tenneco’s final
    alternative, in which Zenith and Henri Studio concur, that would place an upper limit on
    BAT based upon the cost of VOM reduction. PC 25 at 16.
    Section 205.410 Participating Source Shutdowns
    This section provides procedures for participating sources that shut down all
    operations and withdraw their CAAPP permits. Participants in the rulemaking
    discussed (1) the disposition of ATUs after shutdown; and (2) the disposition of ATUs
    after consolidation. The Board modifies the provisions regarding the disposition of
    ATUs after shutdown, and the provisions regarding the disposition of ATUs after
    consolidation, in response to comments of IEPA and Sun Chemical. The Board has
    made other minor revisions to subsections (a), (b), and (c) for clarity.
    Disposition of ATUs after Shutdown
    Mr. Burke testified that the ALAMC opposed the Board’s proposal that in the
    event a source shuts down, 80% of the ATUs associated with the source will remain
    with the source’s owners, with the remaining 20% going to the ACMA. The ALAMC
    believes that all ATUs associated with a shutdown should be retired, at least until the
    region has reached attainment. Tr.10 at 144-145. The ALAMC believes that “there’s
    no good reason to keep these credits in circulation when we still haven’t reached
    attainment . . . .” Tr.10 at 145. Furthermore, the ALAMC believes that maintaining
    these ATUs suggests that “the ATUs are property when in reality they are part of an
    alternative regulatory system owned by the public, not individual companies.” Tr.10 at
    145.
    The Board finds that the record does not support ALAMC’s suggested change.
    The ERMS calls for substantial reductions that IEPA believes will assist the Chicago
    nonattainment area’s efforts to achieve attainment. Also, the rule now expressly
    provides that ATUs are not property. See 35 Ill. Adm. Code 205.400(d).
    Disposition of ATUs after Consolidation
    At first notice, in response to a public comment from Sun Chemical Company
    (Sun Chemical), the Board added a new subsection (d) to Section 205.410 of the
    proposed rule. Under Section 205.410 as originally proposed, when a participating
    source shuts down, 80% of ATUs for that source continue to be issued to the owner or
    operator of the source, while 20% of such ATUs are issued to the ACMA. Subsection
    (d) creates an exception in the case of consolidation of sources under common control
    of the same persons or persons under common control. Where such sources are
    consolidated, under subsection (d) 100% of ATUs from the shutdown are transferred to

    47
    the participating source which remains in operation. The Board now concludes that
    subsection (d) is not necessary, but adds language to subsection (c) to confirm that
    100% of ATUs can be transferred between participating sources before one of the
    participating source shuts down.
    In its public comment, IEPA contends that addition of subsection (d) is
    unnecessary to achieve the goal sought by Sun Chemical, namely, preserving ATUs
    when two sources are consolidated. IEPA maintains that transfer of 100% of ATUs
    could be achieved under the original provisions of Section 205.410 before shutdown.
    In that case, the source shutting down would have future allotments of zero ATUs and
    none of the ATUs allocated to that source would go into the ACMA (
    i.e
    ., 20% of
    zero). PC 17 at 18.
    IEPA also comments that handling consolidations under the original provisions
    of Section 205.410 provides greater flexibility in the event of consolidations which may
    take place over a period of time or consolidations in which one facility retains some
    operations and transfers others. PC 17 at 18-19. Finally, IEPA objects to the use of
    the undefined term “consolidation” in subsection (d). The proposed rule does not
    establish what is necessary for a “consolidation.” Furthermore, consolidations under
    subsection (d) involve “sources under common control or ownership,” a phrase which
    has a continually evolving meaning.
    In its second public comment, Sun Chemical takes the position that specific
    language regarding consolidations will not be necessary if the Board includes a “Board
    Note” in the adopted rule addressing the ability of a participating source to transfer all its
    available ATUs prior to withdrawing its permit. In the alternative, Sun Chemical requests
    that the language contained in Section 205.410(d) remain in the final rule. PC 21 at 3-4.
    The Board concludes that inclusion of subsection (d) of Section 205.410 is not
    necessary to achieve the result sought by Sun Chemical. To alleviate the concerns of Sun
    Chemical expressed in its second public comment, however, the Board has added
    additional language to Section 205.410(c). Revised Section 205.410 provides:
    a)
    If a participating source shuts down all operations at the source,
    and withdraws its permit or its permit is revoked or terminates,
    allotments issued to such a source for each seasonal allotment
    period after the shutdown occurred, except as provided in
    subsection (d), shall be subject to the following:
    1)
    80 percent of all such ATUs shall continue to be allotted to
    the owner or operator of such source or its duly authorized
    recipient; and
    2)
    20 percent of all such ATUs shall be issued to the ACMA.

    48
    * * *
    c) The owner or operator of any participating source that shuts down all
    operations, in accordance with subsection (a) of this Section, may
    authorize the issuance of future ATUs to the Transaction Account of
    another participating source, new participating source or general
    participant by submitting a transfer agreement authorizing a permanent
    transfer of all future ATUs. The CAAPP permit of any participating
    source or new participating source designated to receive future
    allotments of ATUs pursuant to such a transfer agreement shall be
    modified to reflect this transfer upon reopening or renewal. Any ATUs
    issued pursuant to a transfer agreement entered into under this
    subsection before shut down of all operations of the participating
    source shall not be subject to subsection (a) of this Section.
     
    d) The consolidation of operations of two or more participating sources
    shall not be considered a source shutdown for the source that
    withdraws its permit or its permit is revoked or terminates if the
    participating sources are under common control of the same persons or
    persons under common control. In the event of such a consolidation,
    100% of the participating source's allotment of ATUs shall be
    transferred to the participating source that remains in operation. The
    transfer of the ATUs, pursuant to this subsection, shall be done
    pursuant to subsection (c) of this Section.
    Section 205.500 Emissions Reduction Generator
    This section allows permitted sources in the nonattainment area that are not
    required to participate in the ERMS to generate ATUs based on emissions reductions
    achieved at the source. A source which reduces emissions is referred to as an
    “emissions reduction generator” (ERG). Sun Chemical has raised issues regarding (1)
    whether sources outside of the nonattainment area could be classified as ERGs and (2)
    how to treat a participating source’s consolidation with a shutting down non-
    participating source.
    The Board concludes that ATUs transferred between an ERG and a participating
    source based on a shutdown or curtailment of operations (1) should not be subject to
    the 80%/20% distribution rule, but (2) should be subject to a 12% reduction because
    the ATUs transferred were not previously part of any participating source’s baseline.
    The Board also has modified subsection (g) for clarity.
    Sources Outside of the Nonattainment Area
    At first notice, t
    he Board declined the request of Sun Chemical to amend Section
    205.500 so that sources outside of the nonattainment area could be classified as ERGs.

    49
    The Board found that it would be premature to so expand the proposed ERMS, noting
    that sources outside the nonattainment area have not been considered in the State's plan to
    achieve the 9% ROP, and that emissions redistributed from attainment areas into the
    nonattainment area could result in the failure to achieve the 9% ROP. ERMS (July 10,
    1997), R97-13, slip op. at 47.
    ALAMC agreed with the Board on this issue at hearing and reiterated that
    agreement in public comment. Tr.10 at 143; PC 30 at 4. IEPA also agrees with the
    Board’s position and proposes that Section 205.500 be amended to specify that ERGs are
    limited to sources located in the Chicago ozone nonattainment area. PC 17 at 21. In its
    public comment filed on September 8, 1997, IEPA proposes the following specific change
    to Section 205.500:
    Any participating source, new participating source or general participant
    may submit a proposal for issuance of ATUs to it based on VOM
    emissions reductions, as specified in subsection (a) of this Section,
    achieved by any source or group of sources located in the Chicago ozone
    nonattainment area with an operating permit(s) other than a participating
    source or new participating source. PC 27 at 9.
    In its public comments after first notice, Sun Chemical agrees with the Board’s
    decision to not allow trading at this time between sources located inside and sources
    located outside the nonattainment area, but urges the Board not to add IEPA’s proposed
    language so limiting the location of ERGs. PC 21 at 6-7. Sun Chemical asserts that if
    IEPA’s language is added, the rule would have to be revised “to allow trading between the
    attainment and non-attainment areas if and when that form of trading became acceptable.”
    PC 21 at 7. Sun Chemical would prefer the rule’s language as it is so that such a trading
    “option would remain open” and could be used “once [such trading] is allowed.” PC 21 at
    7. Sun Chemical argues that the change is unnecessary to prevent such trading because
    there is no requirement that IEPA allow sources located outside the nonattainment area to
    be ERGs, rather the decision would be within IEPA’s discretion. PC 21 at 7.
    In response to Sun Chemical’s comments, IEPA states that “consideration in the
    ERMS of emission reductions outside of the non-attainment area is not allowed nor
    appropriate to fulfill” the 1999 ROP requirement and thus “it is better that the rule is clear
    on this point rather than ambiguous.” PC 35 at 16-17. In addition, IEPA asserts that if
    the reduction percentage under the ERMS needs to be increased in the future for ROP or
    attainment requirements, the ERMS rules will need revision and “[t]his would be the
    proper point to address the role, if any, which emission reductions that occur outside of
    the non-attainment area can then take in the ERMS.” PC 35 at 17.
    The Board finds IEPA’s arguments persuasive. Sun Chemical’s reasoning that
    IEPA’s proposed change should not be made so that such trading may take place if and
    when it becomes “acceptable” could lead to numerous disputes over when such trading
    should be considered “acceptable.” Moreover, given the potential impact of such trading

    50
    on Illinois’ ability to meet ROP and attainment requirements, it is appropriate that it not be
    allowed before going through a Board rulemaking. Accordingly, the Board finds that the
    above revision proposed by IEPA is appropriate and the attached order reflects this
    change to Section 205.500.
    Consolidation
    In its initial public comment, Sun Chemical also sought clarification of the
    operation of Section 205.500 of the proposed rule, dealing again with consolidation of
    sources. Sun Chemical noted that Section 205.480(a)(2) (now renumbered as
    205.500(a)(2)) of the proposed rule prohibited issuance of ATUs otherwise available as
    an ERG from a source that shuts down if emissions from the source are redistributed to
    a participating source in the Chicago nonattainment area. Sun Chemical also suggested
    that in the event of consolidation of sources, the post-consolidation source should
    receive 100% of ATUs issued for the ERG, rather than 80% as provided in Section
    205.500(b) of the proposed rule, under which the other 20% go to the ACMA.
    The Board did not modify Section 205.500 at first notice, but asked for
    comment on the issues that Sun Chemical raised. In a public comment, IEPA
    acknowledged that the situations described by Sun Chemical were not contemplated in
    the proposed rule. PC 17 at 21. IEPA noted that the ERG’s ATUs from the shutdown
    activity and the future continuation of the shutdown activity would both go to the same
    participating source and consequently there is not a concern about issuance of ATUs for
    an activity for which the participating source will not be held accountable under
    ERMS. IEPA stated that it would therefore endorse provisions in Section 205.500 to
    allow issuance of ATUs for an ERG in the described situation. PC 17 at 22.
    With regard to the percentage of ATUs to be issued for a shutdown, where that
    shutdown involves a nonparticipating source, IEPA stated that it does not, as a matter
    of policy, believe it necessary to direct 20% of the ATUs to the ACMA when the
    ATUs would continue to be associated with operational emissions units. IEPA noted a
    distinction between this situation and that where two participating sources are
    consolidated. In the former situation, the ATUs would not exist independent of the
    shutdown of the ERG source and so could not be transferred prior to shutdown, as they
    could in the case of a shutdown of a participating source. As a result, additional
    provisions of Section 205.500 would be necessary to govern issuance of ATUs for an
    ERG when the underlying operations continue in the Chicago nonattainment area due to
    a consolidation of operations. PC 17 at 23.
    In its second public comment, IEPA proposed the following additional language be
    added to Section 205.500:
    (a)(4) Notwithstanding Section 205.500(a)(3), ATUs based on shutdown
    or curtailment of operations at a source in the Chicago ozone
    nonattainment area may be issued to a participating source or new

    51
    participating source to the extent that such shut down or curtailed
    operations are distributed to such participating source or new
    participating source.
    (b)
    If any proposal is based on a shut down of operations, as specified
    in subsection (a)(2) and (a)(4) of this Section, that results in
    seasonal emissions reductions of 10 tons or more, 20% of ATUs
    issued based on such an emissions reduction generator proposal
    shall be allocated to the ACMA. PC 27 at 10.
    In its most recent public comment, Sun Chemical supports the addition of the proposed
    subsection (a)(4), but asserts that ATUs issued for ERGS where a nonparticipating source
    has been consolidated with a participating source should not be subject to the provision of
    subsection (b) under which 20% of such ATUs are allocated to the ACMA.
    In its most recent public comment, IEPA apparently reverses its earlier position
    that it is not necessary to allocate ATUs to the ACMA when the ATUs would continue to
    be associated with operational emissions units. IEPA now maintains that the 20%
    allocation to the ACMA is appropriate because nonparticipating sources were not subject
    to the 12% baseline reduction imposed on participating sources. IEPA also suggests that
    the 20% allocation to the ACMA was the result of a compromise between environmental
    and industry groups, which ought not be upset.
    The Board finds that it is appropriate to add a provision to Section 205.500 to
    permit transfer of ERG ATUs realized from the consolidation of operations from a
    nonparticipating source with a participating source. The Board notes that IEPA earlier
    acknowledged that this situation was not considered when the proposed rule was drafted.
    The applicability of the 20% provisions to this situation could not, consequently, have
    been part of the compromise asserted by IEPA. The Board also finds, however, that
    inasmuch as issuance of ATUs for multiple seasons (which can occur under Section
    205.500(h)(2) and (3)) results in a
    de facto
    increase in the baseline for a participating
    source, it is appropriate for such ATUs to be subject to the 12% reduction requirement
    imposed on participating sources. Accordingly Section 205.500 has been amended as
    follows:
    a)
    ATUs will only be issued pursuant to this Section if based on actual
    VOM emissions reductions that meet one or more of the following:
    * * *
    2)
    The source shuts down a portion or all of its operations
    after 1996 and withdraws the relevant operating permit(s),
    provided the VOM emissions from the shut down activity or
    activities will not be distributed elsewhere within the
    Chicago ozone nonattainment area; or

    52
    3)
    The source(s) curtails its seasonal production activity
    resulting in an actual reduction in VOM emissions during
    any seasonal allotment period beginning in 1999, provided
    the VOM emissions from the curtailment will not be
    distributed elsewhere within the Chicago ozone
    nonattainment area. Such emissions reduction shall be
    based on the difference between the average production
    level for the two seasonal allotment periods prior to the year
    of curtailment and the curtailed production level, calculated
    at the VOM emission rate allowed by applicable
    requirements effective in 1996.; or
    4) The source shuts down operations or curtails seasonal
    production activity as described in subsections (a)(2) and
    (a)(3) of this Section, respectively, and the VOM emissions
    from the shut down activity or activities or curtailment will
    be distributed to a participating or new participating source
    or sources within the Chicago ozone nonattainment area,
    and the proposal provides that all ATUs issued pursuant to
    this Section on account of such shut down or curtailment
    are to be issued to the corresponding participating or new
    participating source or sources.
    * * *
    d) Any proposal submitted shall include the following:
    * * *
    3)
    Relevant information describing the nature of the underlying
    activity that generated the VOM emissions and the
    relationship of the units at which the VOM emissions
    reduction occurred to other units or sources performing the
    same or related activity in the Chicago ozone nonattainment
    area, if the VOM emissions reduction is attributable to a
    partial or complete source shutdown or a production
    curtailment, as specified in subsections (a)(2), or (a)(3) or
    (a)(4) of this Section, respectively;
    4)
    The amount of VOM emissions for the two seasonal
    allotment periods prior to the year(s) of curtailment,
    including supporting calculations, if the VOM emissions
    reduction is attributable to a production curtailment as
    specified in subsections (a)(3) or (a)(4) of this Section;

    53
    * * *
    f)
    If the emissions reduction generator does not modify its permit, as
    specified in subsection (e) of this Section, or experiences a
    shutdown, as specified in subsections (a)(2) or (a)(4) of this
    Section, and the proposal is submitted prior to the availability of
    actual VOM emissions data from the relevant seasonal allotment
    period, the Agency shall determine if the proposal is acceptable on
    a preliminary basis and provide notification of this determination.
    The Agency shall not issue final approval, in accordance with
    subsection (g) of this Section, of any such proposal until the actual
    VOM emissions data is submitted.
    * * *
    h)
    If the Agency deems that the proposal is sufficient to receive final
    approval, the Agency shall issue ATUs in accordance with the
    following:
    * * *
    3)
    If the proposal is based on a partial or complete shut down,
    as specified in subsections (a)(2) or (a)(4) of this Section,
    ATUs shall be issued before the seasonal allotment period
    for each year specified in the proposal;
    * * *
    8) The number of ATUs issued pursuant to subsections (h)(2)
    or (h)(3) of this Section based on a proposal under
    subsection (a)(4) of this Section shall be equal to the
    number of ATUs otherwise issuable under this Section
    reduced by 12 percent.
    Section 205.620 Account Officer
    This section provides, among other things, that each market participant must have
    an IEPA-approved account officer assigned to its transaction account and that such
    account officer is the only person authorized to make ATU transactions involving that
    account.
    As explained below, IERG wants a participant to be able to designate more than
    one account officer to its transaction account. The Board finds this appropriate and
    amends Section 205.620 accordingly. The Board also has made other minor changes to
    this section for clarity and consistency.

    54
    In public comments filed after first notice, IERG stated that the present language
    of Section 205.620(a) may limit participants to one account officer per transaction
    account and that such a limitation may hinder “each source’s ability to execute ERMS
    transactions in the most efficient manner.” PC 20 at 8. IEPA states that IERG’s
    suggestion is acceptable but warns that “any of the account officers designated by a source
    and duly registered with the Illinois EPA can authorize ATU transactions on behalf of the
    source” and that if there are “multiple account officers, the account officers are
    responsible for coordinating their actions, not the Illinois EPA.” PC 35 at 17.
    Neither IERG nor IEPA propose any specific language for Section 205.620. The
    Board, nevertheless, agrees with IERG’s suggestion and makes the following change to
    Section 205.620(a):
    a)
    Each participating source, new participating source, or general
    participant must have an at least one account officer designated
    for each of its Transaction Accounts. The account officer(s) shall
    be the only person(s) authorized to make ATU transactions
    involving such designated Transaction Account. At least one
    account officer must certify each official document that pertains
    to a designated Transaction Account or associated market
    transactions. Account officers may be employees or contractors
    of participating sources, new participating sources or general
    participants. No participating source, new participating source or
    general participant may engage in ATU transactions if it does not
    have an account officer approved by the Agency. Each account
    officer shall satisfy all of the following: . . . .
    Section 205.700 Compliance Accounting
    ALAMC recommends that the rule specify the minimum frequency with which
    IEPA conducts audits (referred to in the rule as “Compliance Master File Reviews”).
    PC 30 at 4. ALAMC suggests that IEPA perform an audit at least once every two
    years.
    Id
    .
    The Board does not believe it appropriate to require IEPA to audit each source
    every two years. IEPA may properly consider a number of factors in deciding how
    frequently to conduct audits, including a source’s compliance history and IEPA’s own
    resources.
    Section 205.720 Emissions Excursion Compensation
    Section 205.720 provides the procedures for emissions excursion compensation
    from participating sources and new participating sources. An emissions excursion occurs
    when a source fails to hold the required number of ATUs at the end of a reconciliation

    55
    period. Participants in this rulemaking have raised issues about the following: (1)
    whether there should be a penalty for the sale of invalid ATUs regardless of whether the
    sale results in an emissions excursion; and (2) whether language should be added to
    specify how IEPA will determine whether an emissions excursion has occurred.
    As explained below, the Board finds that there is no need to amend this section to
    address the sale of invalid ATUs or to address how IEPA will determine the occurrence of
    an emissions excursion.
    Sale of Invalid ATUs
    As currently proposed, this section imposes no penalty for the sale of invalid
    ATUs unless doing so creates an emissions excursion. ALAMC believes that this
    section should include a penalty for the sale of invalid ATUs whether or not the sale
    results in an emissions excursion. PC 30 at 4.
    The Board believes that the rule already contains sufficient penalties for the sale
    of invalid ATUs. Any source attempting to use ATUs to demonstrate compliance with
    ERMS must ensure that they are valid, or they will not be accepted by IEPA. That
    will result in the purchaser having an emissions excursion. Thus, purchasers of ATUs
    have an incentive to be sure that the ATUs they purchase are valid, and no additional
    regulation on this point is necessary.
    Determination of Emissions Excursion
    ALAMC also believes this section should specify how IEPA will determine
    whether an excursion has occurred. PC 30 at 4. The Board is not persuaded,
    however, that it must dictate the procedure that IEPA must follow when determining
    that an emissions excursion has occurred. An emissions excursion occurs when “a
    participating source or new participating source does not hold sufficient ATUs at the
    end of a reconciliation period to account for its VOM emissions from the preceding
    allotment period . . . .” 35 Ill. Adm. Code 205.130. The Board does not see any
    advantage in requiring IEPA to follow a specific procedure when determining that an
    emissions excursion has occurred; such procedures could hamper rather than aid
    IEPA’s enforcement efforts.
    Section 205.760 Market System Review Procedures
    This section requires IEPA to prepare an Annual Performance Review Report.
    ALAMC comments that this report should include a source-by-source compliance
    summary for participating sources and new participating sources that includes key
    information on each source, including information on: annual seasonal emissions; ATU
    allotments; excursions; corrective action plans; and similar items. PC 30 at 6.

    56
    The Board finds that it is unnecessary to require IEPA to provide this
    information. While it may be advisable for IEPA to provide such information in its
    Annual Performance Review Report - and this rule certainly does not prohibit IEPA
    from including this information - the Board declines to order IEPA to include all of this
    information in its Annual Performance Review Report. Furthermore, if IEPA does not
    voluntarily make such information available, the public should be able to obtain it
    through Freedom of Information Act requests.
    CONCLUSION
    The Board finds that the ERMS is technologically feasible and economically
    reasonable, and allows sources to select a cost-effective means of reducing VOM
    emissions in accordance with the CAA and USEPA directives. The Board accordingly
    adopts the ERMS for second notice.

    57
    ORDER
    The Board directs that the second notice of the following revised proposal be
    submitted to the Joint Committee on Administrative Rules.
    TITLE 35: ENVIRONMENTAL PROTECTION
    SUBTITLE B: AIR POLLUTION
    CHAPTER I: POLLUTION CONTROL BOARD
    SUBCHAPTER b: ALTERNATIVE REDUCTION PROGRAM
    PART 205
    EMISSIONS REDUCTION MARKET SYSTEM
    SUBPART A: GENERAL PROVISIONS
    Section
    205.100
    Severability
    205.110
    Purpose
    205.120
    Abbreviations and Acronyms
    205.130
    Definitions
    205.150
    Emissions Management Periods
    SUBPART B: APPLICABILITY
    Section
    205.200
    Participating Source
    205.205
    Exempt Source
    205.210
    New Participating Source
    205.220
    Insignificant Emissions Units or Activities
    205.225
    Startup, Malfunction or Breakdown
    SUBPART C: OPERATIONAL IMPLEMENTATION
    Section
    205.300
    Seasonal Emissions Component of the Annual Emissions Report
    205.310
    ERMS Applications
    205.315
    CAAPP Permits for ERMS Sources
    205.318
    Certification for Exempt CAAPP Sources
    205.320
    Baseline Emissions
    205.330
    Emissions Determination Methods
    205.335
    Sampling, Testing, Monitoring and Recordkeeping Practices
    205.337
    Changes in Emissions Determination Methods and Sampling, Testing,
    Monitoring and Recordkeeping Practices

    58
    SUBPART D: SEASONAL EMISSIONS MANAGEMENT
    Section
    205.400
    Seasonal Emissions Allotment
    205.405
    Exclusions from Further Reductions
    205.410
    Participating Source Shutdowns
    SUBPART E: ALTERNATIVE ATU GENERATION
    Section
    205.500
    Emissions Reduction Generator
    205.510
    Inter-Sector Transaction
    SUBPART F: MARKET TRANSACTIONS
    Section
    205.600
    ERMS Database
    205.610
    Application for Transaction Account
    205.620
    Account Officer
    205.630
    ATU Transaction Procedures
    SUBPART G: PERFORMANCE ACCOUNTABILITY
    Section
    205.700
    Compliance Accounting
    205.710
    Alternative Compliance Market Account (ACMA)
    205.720
    Emissions Excursion Compensation
    205.730
    Excursion Reporting
    205.740
    Enforcement Authority
    205.750
    Emergency Conditions
    205.760
    Market System Review Procedures
    AUTHORITY: Implementing Section 9.8 and authorized by Sections 27 and 28 of the
    Environmental Protection Act [415 ILCS 5/9.8, 27 and 28].
    SOURCE: Adopted at 2221 Ill. Reg. , effective .
    SUBPART A: GENERAL PROVISIONS
    Section 205.100
    Severability
    If any Section, subsection, sentence or clause of this Part is judged invalid, such
    adjudication shall not affect the validity of this Part as a whole or of any Section,
    subsection, sentence or clause thereof not judged invalid.

    59
    Section 205.110
    Purpose
    The purpose of this Part is to implement the Emissions Reduction Market System
    (ERMS) regulatory program consistent with the assurances that are specified in Section
    9.8 of the Environmental Protection Act [415 ILCS 5/9.8]. The ERMS is designed, as
    further specified in this Part, to achieve the following:
    a)
    Implement innovative and cost-effective strategies to attain the national
    ambient air quality standard (NAAQS) for ozone and to meet the
    requirements of the Clean Air Act;
    b)
    Increase flexibility for participating sources and lessen the economic
    impacts associated with implementation of the Clean Air Act;
    c)
    Take into account the findings of the national ozone transport assessment
    being coordinated by the Environmental Council of States with
    participation by the United States Environmental Protection Agency and
    by the Lake Michigan Air Directors Consortium; and
    d)
    Assure that stationary sources subject to the ERMS regulatory program
    will not be required to reduce emissions to an extent that exceeds their
    proportionate share of the total emissions reductions required of all
    emission sources sectors, including mobile and area sources.
    Section 205.120
    Abbreviations and Acronyms
    Unless otherwise specified within this Part, the abbreviations used in this Part shall be
    the same as those found in 35 Ill. Adm. Code 211. The following abbreviations and
    acronyms are used in this Part:
    ACMA
    Alternative Compliance Market Account
    Act
    Environmental Protection Act [415 ILCS 5/1 through 58.12 et seq.]
    ATU
    Allotment Trading Unit
    BAT
    Best Available Technology
    CAA
    Clean Air Act as amended in 1990 [42 U.S.C. §§ 7401 through 7671q et
    seq.]
    CAAPP
    Clean Air Act Permit Program
    ERMS
    Emissions Reduction Market System
    LAER
    Lowest Achievable Emission Rate
    MACT
    Maximum Achievable Control Technology
    NAAQS
    National Ambient Air Quality Standard
    NESHAP
    National Emission Standards for Hazardous Air Pollutants
    RFP
    Reasonable Further Progress
    ROP
    Rate of Progress
    USEPA
    United States Environmental Protection Agency

    60
    VOM
    Volatile Organic Material
    Section 205.130
    Definitions
    Unless otherwise specified within this Part, the definitions for the terms used in this
    Part shall be the same as those found in Section 39.5 of the Act [415 ILCS 5/39.5] and
    in 35 Ill. Adm. Code 211.
    “Account officer” means a natural person who has been approved by the
    Agency, as specified in Section 205.620520, and is subsequently responsible for
    one or more Transaction Accounts to which he or she is designated.
    “Allotment” means the number of allotment trading units (ATUs) allotted to a
    source by the Agency, as established in the source’s CAAPP permit.
    “Allotment Trading Unit” (ATU) means a tradable unit that represents 200 lbs
    of VOM emissions and is a limited authorization to emit 200 lbs of VOM
    emissions during the seasonal allotment period.
    “Annual Emissions Report” means the report submitted to the Agency annually
    pursuant to 35 Ill. Adm. Code 254.
    “Baseline emissions” means a participating source's VOM emissions for the
    seasonal allotment period based on historical operations as determined under
    Subpart C, adjusted so that credit is allowed for voluntary VOM emissions
    reductions beyond reductions required by applicable requirements effective in
    1996, as specified in Section 205.320 of this Part. Baseline emissions shall be
    the basis of the allotment for each participating source.
    “Best aAvailable tTechnology” or "(BAT)" means an emission level based on
    the maximum degree of reduction of VOM emitted from or which results from
    any emission unit, which the Agency, on a case-by-case basis, taking into
    account energy, environmental and economic impacts, determines is achievable
    for such unit through application of production processes and available methods,
    systems, and techniques for control of VOM, considering the features and
    production process and control methods, systems and techniques already used
    for the unit. BAT for an emission unit shall not be more stringent than Best
    Available Control Technology (BACT) as would be determined
    contemporaneously for such unit under the federal rules for Prevention of
    Significant Deterioration of Air Quality (PSD), 40 CFR
    § 52.21 (1996)
    . In no
    event shall application of “best available technology” result in emissions of
    VOM which exceed the emissions allowed by any standard established pursuant
    to Section 111 of the Clean Air Act, if such a standard is applicable to the
    category of emission unit.

    61
    “CAAPP” means the Clean Air Act Permit Program, pursuant to Section 39.5
    of the Act. [415 ILCS 5/39.5(1996)].
    “Chicago ozone nonattainment area” means the area composed of Cook,
    DuPage, Kane, Lake, McHenry, and Will Counties and Aux Sable Township
    and Goose Lake Township in Grundy County and Oswego Township in Kendall
    County.
    “Emergency” means any situation arising from sudden and reasonably
    unforeseeable events beyond the control of the source, such as an act of God,
    that requires immediate corrective action to restore normal operation.
    “Emissions excursion” refers to the event that occurs when a participating
    source or new participating source does not hold sufficient ATUs at the end of a
    reconciliation period to account for its VOM emissions from the preceding
    seasonal allotment period, in accordance with Section 205.150(c) or (d) of this
    Subpart.
    “Excursion Compensation Notice” means an administrative notice issued by the
    Agency, pursuant to Section 205.720620 of this Part, that notifies the owner or
    operator of a participating source or new participating source that the Agency
    has determined that the source has had an emissions excursion.
    “General participant” means any person, other than a participating source or
    new participating source, that obtains a Transaction Account and is allowed to
    buy and sell ATUs.
    “New participating source” means a source not operating prior to May 1, 1999,
    located in the Chicago ozone nonattainment area, that is required to obtain a
    CAAPP permit and has or will have seasonal emissions of at least 10 tons of
    VOM.
    “Participating source” means a source operating prior to May 1, 1999, located
    in the Chicago ozone nonattainment area, that is required to obtain a CAAPP
    permit and has baseline emissions of at least 10 tons, as specified in Section
    205.320(a) of this Part, or seasonal emissions of at least 10 tons in any seasonal
    allotment period beginning in 1999.
    “Reconciliation period” means the period from October 1 through December 31
    of each year during which the owner or operator of a participating source or
    new participating source must compile actual VOM emissions for the previous
    seasonal allotment period and may also buy or sell ATUs so that sufficient
    ATUs are held by the source by the conclusion of the reconciliation period.

    62
    “Seasonal allotment period” means the period from May 1 through September
    30 of each year.
    “Seasonal emissions” means actual VOM emissions at a source that occur
    during a seasonal allotment period.
    “Sell” means to transfer ATUs to another person through sale, lease, trade or
    other means of transfer.
    “Special participant” means any person that registers with the Agency and may
    is allowed to purchase and retire ATUs but not sell ATUs, as specified in
    Section 205.610510 of this Part.
    “Throughput” means the activity of an emission unit during a particular period
    relevant to its generation of VOM emissions, including, but not limited to, the
    amount of material transferred for a liquid storage operation, the amount of
    material processed through or produced by the emission unit, fuel usage, or the
    weight or volume of coatings or inks.
    “Transaction Account” means an account authorized by the Agency or its
    designee that allows an account officer to buy or sell ATUs.
    Section 205.150
    Emissions Management Periods
    a)
    The VOM emissions control period is the seasonal allotment period,
    which is from May 1 through September 30, annually.
    b)
    The reconciliation period is from October 1 to December 31, annually.
    During each reconciliation period, participating sources and new
    participating sources shall:
    1)
    Compile data of actual VOM emissions during the immediately
    preceding seasonal allotment period; and
    2)
    Submit its seasonal emissions component of its Annual Emissions
    Report, in accordance with Section 205.300 of this Part.
    c)
    At the end of each reconciliation period on and after the dates specified
    in Section 205.200 of this Part, each participating source shall:
    1)
    Hold ATUs in an amount not less than its VOM emissions during
    the preceding seasonal allotment period, except as provided in
    Sections 205.220, 205.225, 205.315, 205.320(e)(3) or (f)(4) and
    205.750650 of this Part; or

    63
    2)
    Hold ATUs in an amount not less than 1.3 times its seasonal
    emissions attributable to a major modification during the
    preceding seasonal allotment period, if a participating source
    commences operation of a major modification pursuant to 35 Ill.
    Adm. Code 203 on or after May 1, 1999. Additionally such
    source must hold ATUs in accordance with subsection (c)(1) of
    this Section for VOM emissions not attributable to this major
    modification during the preceding seasonal allotment period.
    d)
    At the end of each reconciliation period on and after the date on which
    the source commences operation, as specified in Section 205.210 of this
    Part, each new participating source shall:
    1)
    If the new participating source is a new major source pursuant to
    35 Ill. Adm. Code 203, hold ATUs in an amount not less than
    1.3 times its VOM emissions during the preceding seasonal
    allotment period; or
    2)
    If the new participating source is not a new major source
    pursuant to 35 Ill. Adm. 203, hold ATUs in an amount not less
    than its VOM emissions during the preceding seasonal allotment
    period, except as provided in Sections 205.220, 205.225 and
    205.750650 of this Part.
    e)
    Any participating source that commences operation of a major
    modification on or after May 1, 1999, or any new participating source
    that is a new major source, which, at the end of each reconciliation
    period, holds ATUs in an amount not less than 1.3 times the VOM
    emissions emitted by such new or attributable to this modified unit
    during the preceding seasonal allotment period, shall be deemed to have
    satisfied the offset requirements of 35 Ill. Adm. Code 203.302(a),
    203.602 and 203.701.
    SUBPART B: APPLICABILITY
    Section 205.200
    Participating Source
    The requirements of this Part shall apply to any source operating prior to May 1, 1999,
    located in the Chicago ozone nonattainment area, that is required to obtain a CAAPP
    permit and has baseline emissions of at least 10 tons, as specified in Section 205.320(a)
    of this Part, or seasonal emissions of at least 10 tons in any seasonal allotment period
    beginning in 1999. Each participating source shall hold ATUs, as specified in Section
    205.150(c) of this Part, in accordance with the following schedule:

    64
    a)
    For any participating source that has baseline emissions of at least 10
    tons of VOM, as determined in accordance with Section 205.320(a) of
    this Part, beginning with the 1999 seasonal allotment period;
    b)
    For any source that first becomes a participating source because its VOM
    emissions increase to 10 tons per season or more in any seasonal
    allotment period beginning with 1999 and this emissions increase is not a
    major modification pursuant to 35 Ill. Adm. Code 203, beginning with
    the first seasonal allotment period after such increased emissions
    occurred; or
    c)
    For any source that will first be subject to the requirements of this Part
    because of a VOM emissions increase at any time on or after May 1,
    1999 that constitutes a major modification pursuant to 35 Ill. Adm. Code
    203, upon commencing operation of this modification.
    Section 205.205
    Exempt Source
    a)
    Any source that otherwise meets the criteria for participating sources
    shall be exempt from the requirements of this Part if the source accepts a
    15 tons per seasonal allotment period limit on its VOM emissions in its
    CAAPP permit for each seasonal allotment period in which the source
    would be required to participate in the ERMS in accordance with the
    following:
    1)
    If the source would be required to participate in the ERMS
    beginning with the 1999 seasonal allotment period in accordance
    with Section 205.200(a) of this Subpart, such source shall apply
    for the applicable permit limitation by MarchJanuary 1, 1998; or
    2)
    If the source is required to participate in the ERMS in any
    seasonal allotment period after 1999 because its VOM emissions
    increase to 10 tons or more in any seasonal allotment period
    beginning with 1999 in accordance with Section 205.200(b) of
    this Subpart, such source shall apply for the applicable permit
    limitation by December 1 of the first year in which its seasonal
    emissions are at least 10 tons.
    b)
    Any source that otherwise meets the criteria for participating sources
    shall be exempt from the requirements of this Part, except that any such
    source shall be required to submit the seasonal emissions component of
    the Annual Emissions Report and an ERMS application as specified in
    Sections 205.300 and 205.310(d) of this Part, respectively, if such
    source decides to reduces its seasonal emissions by at least 18 percent
    beginning in 1999. Any such source shall accept conditions in its

    65
    CAAPP permit limiting its seasonal emissions to at least 18 percent less
    than its baseline emissions, as determined in accordance with Section
    205.320 of this Part. Any such source shall apply for the applicable
    permit limitation(s) by MarchJanuary 1, 1998. ATUs equivalent to any
    amount of VOM emissions reductions achieved by the source beyond 12
    percent (at least six percent) shall be issued by the Agency to the
    ACMA.
    Section 205.210
    New Participating Source
    The requirements of this Part shall apply to any new participating source, a source not
    operating prior to May 1, 1999, located in the Chicago ozone nonattainment area, that
    is required to obtain a CAAPP permit and has or will have seasonal emissions of at
    least 10 tons of VOM. Each new participating source shall hold ATUs, as specified in
    Section 205.150(d) of this Part, upon commencing operation.
    Section 205.220
    Insignificant Emissions Units or Activities
    Emission units or activities identified as insignificant activities pursuant to the CAAPP
    permit for each participating or new participating source are exempt from the
    requirements of this Part.
    Section 205.225
    Startup, Malfunction or Breakdown
    Participating or new participating sources permitted to operate during startup,
    malfunction or breakdown pursuant to 35 Ill. Adm. Code 201.262, 270.407 and
    270.408 are not required to hold ATUs for excess VOM emission during startup,
    malfunction and breakdown as authorized in the source’s permit.
    SUBPART C: OPERATIONAL IMPLEMENTATION
    Section 205.300
    Seasonal Emissions Component of the Annual Emissions Report
    a)
    For each year in which the source is operational, the owner or operator
    of each participating source and new participating source shall submit, as
    a component of its Annual Emissions Report, seasonal emissions
    information to the Agency for each seasonal allotment period after the
    effective date of this Part in accordance with the following schedule:
    1)
    For each participating source or new participating source that
    generates VOM emissions from less than 10 emission units, by
    October 31 of each year; and

    66
    2)
    For each participating source or new participating source that
    generates VOM emissions from 10 or more emission units or
    activities, by November 30 of each year.
    b)
    In addition to any information required pursuant to 35 Ill. Adm. Code
    254, the seasonal emissions component of the Annual Emissions Report
    shall contain the following information for the preceding seasonal
    allotment period for each emission unit emitting or capable of emitting
    VOM, except that such information is not required for emission units or
    activities excluded pursuant to Section 205.220 of this Part or for VOM
    emissions attributable to startup, malfunction or breakdown, as specified
    in Section 205.225 of this Part:
    1)
    Actual seasonal emissions of VOM from the source;
    2)
    A description of the methods and practices used to determine
    VOM emissions, as required by the source’s CAAPP permit,
    including any supporting documentation and calculations;
    3)
    A detailed description of any monitoring methods that differ from
    the methods specified in the CAAPP permit for the source, as
    provided in Section 205.337 of this Subpart;
    4)
    If a source has experienced an emergency, as provided in Section
    205.750650 of this Part, it shall reference the associated
    emergency conditions report that has been approved by the
    Agency;
    5)
    If a source's baseline emissions have been adjusted because of a
    variance, consent order or CAAPP permit compliance schedule,
    as provided for in Section 205.320(e)(3) of this Part, it shall
    provide documentation quantifying the adjusted VOM emissions
    amount; and
    6)
    If a source is operating a new or modified emission unit for
    which three years of operational data is not yet available, as
    specified in Section 205.320(f) of this Subpart, it shall specify
    seasonal emissions attributable to the new emission unit or the
    modification of the emission unit.
    Section 205.310
    ERMS Applications
    a)
    The owner or operator of each participating source or new participating
    source shall submit to the Agency an ERMS application in accordance
    with the following schedule:

    67
    1)
    For a participating source with baseline emissions of at least 10
    tons of VOM, as determined in accordance with Section
    205.320(a) of this Subpart, by MarchJanuary 1, 1998;
    2)
    For any source that first becomes a participating source because
    its VOM emissions increase to 10 tons or greater during any
    seasonal allotment period beginning with 1999, on or before
    December 1 of the year of the first seasonal allotment period in
    which its VOM emissions are at least 10 tons, provided that this
    emissions increase is not a major modification pursuant to 35 Ill.
    Adm. Code 203; or
    3)
    For a new participating source or for a major modification of any
    source existing prior to May 1, 1999, that is subject to 35 Ill.
    Adm. Code 203 based on VOM emissions, at the time a
    construction permit application is submitted or due for the source
    or modification, whichever occurs first.
    b)
    Except as provided in subsection (d) of this Section, each ERMS
    application for participating sources shall contain all information
    required by the Agency pursuant to Section 39.5 of the Act [415 ILCS
    5/39.5] or reference such information if previously submitted to the
    Agency, including the following information:
    1)
    Data sufficient to establish the appropriate baseline emissions for
    the source in accordance with Section 205.320 of this Subpart,
    including but not limited to the following:
    A)
    VOM emissions data and production types and levels from
    the baseline emissions year(s), as specified in Section
    205.320(a)(1), (b) or (c) of this Subpart, as appropriate;
    B)
    If the source is proposing a substitute baseline emissions
    year(s), as provided in Section 205.320(a)(2) of this
    Subpart, a justification that the year is more representative
    than 1994, 1995 or 1996, including data on production
    types and levels from the proposed substitute year(s) and
    historical production data, as needed to justify that the
    proposed substitute year(s) is representative; and
    C)
    If the source is proposing a baseline emissions adjustment
    based on voluntary over-compliance, as provided in
    Section 205.320(d) of this Subpart, sufficient information
    for the Agency to determine the appropriate adjustment;

    68
    2)
    A description of methods and practices used to determine baseline
    emissions and that will be used to determine seasonal emissions
    for purposes of demonstrating compliance with this Part, in
    accordance with Sections 205.330 and 205.335 of this Subpart;
    3)
    Identification of any emission unit for which exclusion from
    further reductions is sought pursuant to Section 205.405(b) of this
    Part and including all of the information required pursuant to
    Section 205.405(b) of this Part;
    4)
    Identification of any emission unit excluded from further
    reductions pursuant to Section 205.405(a) of this Part; and
    5)
    Identification of any new or modified emission unit for which a
    construction permit was issued prior to January 1, 1998, but for
    which three years of operational data is not available, and the
    permitted VOM emissions or the permitted increase in VOM
    emissions from such emission unit(s), adjusted for the seasonal
    allotment period.
    c)
    Except as provided in subsection (h) of this Section, the ERMS
    application submitted by each participating source shall also be an
    application for a significant modification of its CAAPP permit or a
    revision to its CAAPP application if a CAAPP permit has not yet been
    issued for the source.
    d)
    The ERMS application for any source that elects to reduce its seasonal
    emissions by at least 18 percent from its baseline emissions, as provided
    in Section 205.205(b) of this Part, shall include:
    1)
    VOM emissions data sufficient to establish the appropriate
    baseline emissions for the source in accordance with Section
    205.320 of this Subpart; and
    2)
    A description of methods and practices used to determine baseline
    emissions and that will be used to demonstrate that its seasonal
    emissions will be at least 18 percent less than its baseline
    emissions, in accordance with Sections 205.330 and 205.335 of
    this Subpart.
    e)
    Within 120 days afterof receipt of an ERMS application, the Agency
    shall provide written notification to the source of a preliminary baseline
    emissions determination. Public notice of a draft CAAPP permit in
    accordance with Section 39.5(8) of the Act [415 ILCS 5/39.5(8)] shall

    69
    fulfill this requirement for a preliminary baseline emissions
    determination if issued within 120 days. [415 ILCS 5/39.5(8) (1996).]
    f)
    The ERMS application for each source applying for a major
    modification, as provided in subsection (a)(3) of this Section, shall
    include the information specified in subsection (b) of this Section and a
    certification by the owner or operator recognizing that the source will be
    required to hold ATUs by the end of each reconciliation period in
    accordance with Section 205.150(c)(2) of this Part, and provide a plan
    explaining the means by which it will obtain ATUs for the VOM
    emissions attributable to the major modification for the first three
    seasonal allotment periods in which this major modification is
    operational.
    g)
    The ERMS application for each new participating source shall include:
    1)
    A description of methods and practices that will be used to
    determine seasonal emissions for purposes of demonstrating
    compliance with this Part, in accordance with Section 205.330
    and 205.335 of this Subpart;
    2)
    A certification by the owner or operator recognizing that the
    source will be required to hold ATUs by the end of each
    reconciliation period in accordance with Section 205.150(d) of
    this Part for each seasonal allotment period in which it is
    operational; and
    3)
    If the source is a new major source subject to 35 Ill. Adm. Code
    203, a plan explaining means by which it will obtain such ATUs
    for the first three seasonal allotment periods in which it is
    operational.
    h)
    The owner or operator of any participating source that has identified a
    new or modified emission unit, as specified in subsection (b)(5) of this
    Section, shall submit a written request for, or an application for, a
    revised emissions baseline and allotment. Such written request or
    application shall be submitted by December 1 of the year of the third
    complete seasonal allotment period in which such newly constructed
    emission unit is operational, which submittal shall include information
    on the seasonal emissions for these first three seasonal allotment periods.

    70
    Section 205.315
    CAAPP Permits for ERMS Sources
    a)
    The Agency shall determine the baseline emissions for each participating
    source in accordance with Section 205.320 of this Subpart, through its
    final permit action on a new or modified CAAPP permit for each such
    source. The Agency’s baseline emissions determination may be appealed
    in accordance with the CAAPP appeal procedures specified in Section
    40.2 of the Act. [415 ILCS 5/40.2 (1996).]. If the permit conditions
    establishing a source’s baseline emissions areis appealed, the baseline
    emissions for the source shall be as proposed in the source’s ERMS
    application during the pendency of during the appeal. During the
    pendency of the appeal, ATUs shall be allotted to the source pursuant to
    this baseline emissions amount, reduced in accordance with Section
    205.400(e) of this Part, but such source shall not be allowed to sell or
    use the portion of the ATUs that are attributed to the part of the source’s
    proposed baseline emissions that is not disputed in the appeal. were
    denied by the Agency and are under review by the Board to meet its
    seasonal emissions. The allotted ATUs that are under review will expire
    two years after the date of the final decision which allows the source to
    use or sell the ATUs under appeal, instead of two years after the
    issuance as set forth at Section 205.400(b). Such source shall be
    permitted to emit If such source’s seasonal VOM emissions exceed the
    ATUs it holds at the end of reconciliation periods during the pendency of
    the appeal, the source will not be deemed to have had an emissions
    excursion to the extent that such seasonal VOM emissions do not exceed
    the amount it proposed as its baseline in its ERMS application, less
    reductions required pursuant to Section 205.400(c) or (e) of this Part, if
    applicable. Such source shall not be allowed to sell ATUs during the
    pendency of the appeal.
    b)
    The Agency shall determine, in accordance with Sections 205.330 and
    205.335 of this Subpart, the methods and practices applicable to each
    participating source and new participating source to determine seasonal
    emissions through its final permit action on a new or modified CAAPP
    permit for each such source. The Agency's determination of the
    methods and practices applicable may be appealed in accordance with the
    CAAPP appeal procedures specified in Section 40.2 of the Act [415
    ILCS 5/40.2].
    c)
    The Agency shall determine, in accordance with Section 205.405(b) of
    this Part, if an emission unit qualifies for exclusion from further
    reductions in its final permit action on a new or modified CAAPP permit
    for each such source. The Agency’s determination may be appealed in
    accordance with the CAAPP appeal procedures specified in Section 40.2
    of the Act [415 ILCS 5/40.2 ]. If the permit conditions establishing the

    71
    Agency’s BATbest available technology determination are is appealed,
    ATUs shall be allotted to the source for any emission unit for which the
    Agency’s BATbest available technology (BAT) determination is being
    appealed without the emissions reduction otherwise required by Section
    205.400(c) or (e) of this Part during the pendency of the appeal. The
    source however cannot sell or use the portion of the ATUs to meet its
    seasonal emissions that are attributed to the emission unit(s) that the
    source proposed as meeting BAT but were not accepted by the Agency
    as meeting BAT and are under review by the Board. The allotted ATUs
    that are under review will expire two years after the date of the final
    decision that determines that these emission units are using BAT instead
    of two years after the issuance as set forth at Section 205.400(b). If the
    seasonal VOM emissions for the subject emission unit(s) exceed the
    ATUs that are attributed to the unit(s) during the pendency of the appeal,
    the source will not be deemed to have an emissions excursion to the
    extent that such seasonal VOM emissions do not exceed the amount of
    ATUs that would be attributed to this unit if the BAT exclusion was
    accepted. Such source shall not be allowed to sell ATUs during the
    pendency of the appeal.
    d)
    The allotment for each participating source for each seasonal allotment
    period shall be specified in its CAAPP permit.
    e)
    To the extent possible, the Agency shall initiate the procedures of 35 Ill.
    Adm. Code 252, as required by Section 39.5 of the Act [415 ILCS
    5/39.5], by grouping the draft CAAPP permits and supporting
    documents for participating sources. Specifically, to the extent possible,
    the Agency shall issue a joint public notice and hold a joint hearing, as
    appropriate, addressing participating sources for which a hearing is
    requested.
    f)
    When a CAAPPA permit for a participating source ismay be transferred
    from the current permitteePermittee to another person in accordance with
    the following:
    1)
    In the case of a name change of the participating source where
    ownership is not altered, appropriate documentation shall be
    submitted to revise the Transaction Account to reflect the name
    change; or
    2)
    In the case of an ownership change of the participating source,
    the allotment shall also be transferred by the owner or operator of
    the permitted source to the new owner or operator, or the new
    owner or operator shall submit a statement to the Agency
    certifying that such transfer is not occurring and demonstrating

    72
    that necessary ATUs are or will be available by other means for
    the intended operation of the source.
    g)
    Upon reopening or renewal of the CAAPP permit for any participating
    source or new participating source, any multiple season transfer
    agreement, as provided in Section 205.630(a)(2)(B) of this Part, that has
    three or more years of transfers remaining shall be identified in the
    renewed or reissued CAAPP permit for each such source.
    h)
    Upon reopening or renewal of the CAAPP permit for any participating
    source or new participating source, any ATUs that will be issued by the
    Agency for three years or more to any such source pursuant to Sections
    205.410, 205.500 or 205.510 of this Part shall be identified in the
    renewed or reissued CAAPP permit for each such source.
    Section 205.318
    Certification for Exempt CAAPP Sources
    The owner or operator of any source that is located in the Chicago ozone nonattainment
    area that is required to obtain a CAAPP permit, and has seasonal emissions, as
    determined in accordance with Section 205.320(a) of this Subpart, of less than 10 tons
    shall submit a written certification to the Agency by MarchJanuary 1, 1998, certifying
    that its VOM emissions are below 10 tons per season as specified in Section 205.320(a)
    of this Subpart. Such certification shall include the amount of VOM emissions at the
    source during the 1994, 1995, 1996 and 1997 seasonal allotment periods, and
    supporting calculations.
    Section 205.320
    Baseline Emissions
    a)
    Except as provided in subsections (b) or (c) of this Section, baseline
    emissions shall be determined by the Agency in accordance with the
    following, adjusted as specified in subsections (d), (e) and (f) of this
    Section:
    1) Baseline emissions shall be calculated using the average of the two
    seasonal allotment periods with the highest VOM emissions during
    1994, 1995, or 1996.
     
    2) Any source may propose to substitute seasonal emissions on a year-
    for-year basis due to non-representative conditions in 1994, 1995, or
    1996, but must stay within the period from 1990 through 1997, and
    must have accurate seasonal emissions data for the substitute year(s).
    When considering whether to substitute a seasonal baseline emission
    year(s), the Agency must consider the information submitted by the
    source pursuant to Section 205.310(b)(1)(B), as well as the accuracy of
    that data. For the purposes of this subsection,
    “non-representative

    73
    conditions” include, but are not limited to, events such as strikes,
    fires, floods and market conditions.
    b)
    For any source that has seasonal emissions of less than 10 tons, as
    determined in accordance with subsection (a) of this Section, but
    becomes a participating source because its seasonal emissions increase to
    10 tons or more in any seasonal allotment period beginning with 1999,
    baseline emissions shall be determined by the Agency based on actual
    VOM emissions from the first seasonal allotment period in which the
    sources emissions equaled or exceeded 10 tons, adjusted as specified in
    subsections (d), (e) and (f) of this Section, provided such emissions
    increase is not a major modification pursuant to 35 Ill. Adm. Code 203.
    c)
    For any source that has seasonal emissions of less than 10 tons, as
    determined in accordance with subsection (a) of this Section, but
    becomes a participating source because its seasonal emissions increase to
    10 tons or more in any seasonal allotment period beginning with 1999
    and this emissions increase constitutes a major modification pursuant to
    35 Ill. Adm. Code 203, baseline emissions shall be determined by the
    Agency based on the average of the actual seasonal emissions from the
    two seasonal periods prior to a timely submittal of its application for the
    major modification, adjusted as specified in subsections (d) and (e) of
    this Section. Any such source may substitute seasonal emissions on a
    year-for-year basis due to non-representative conditions in either of the
    two seasonal allotment periods prior to submittal of its application for
    the major modification but must stay within the five year period prior to
    submittal of such application.
    For the purposes of this subsection,
    “non-
    representative conditions” include, but are not limited to, conditions
    such as strikes, fires, floods and market conditions.
    d)
    The baseline emissions of any participating source shall be increased for
    voluntary over-compliance that occurred after October 31September 30,
    1990 and results in a VOM emissions level that is lower than the level
    required by applicable requirements effective in 1996, including
    limitations in the source’s permit(s) based on such applicable
    requirements. Voluntary over-compliance shall be determined in
    accordance with the following:
    1)
    Determine the actual activity or production types and levels from
    the seasonal allotment period(s) selected for baseline emissions
    pursuant to subsection (a), (b) or (c) of this Section;
    2)
    Determine seasonal emissions for each emission unit or process
    as the product of the amount of activity or production, as

    74
    determined in accordance with subsection (d)(1) of this Section,
    and the actual emissions level;
    3)
    Determine seasonal emissions for each emission unit or process
    as the product of the amount of activity or production, as
    determined in accordance with subsection (d)(1) of this Section,
    and the allowable emissions level pursuant to all applicable
    requirements effective through 1996, including limitations in the
    source’s permit(s) based on such applicable requirements; and
    4)
    Determine the appropriate adjustment to baseline emissions by
    subtracting the seasonal emissions determined pursuant to
    subsection (d)(2) of this Section from the seasonal emissions
    determined pursuant to subsection (d)(3) of this Section.
    e)
    The baseline emissions of any participating source shall be decreased if
    any of the following circumstances exist:
    1)
    If a source is out of compliance with any applicable
    requirements, including limitations in the source’s permit(s)
    based on such applicable requirements, in any of the seasonal
    allotment periods used for baseline emissions, its baseline
    emissions shall be lowered to reflect the amount of VOM
    emissions that would be achieved if in compliance with such
    requirements.
    2)
    If any of the seasonal allotment periods selected for baseline
    emissions do not reflect compliance with requirements effective
    through 1996 that became applicable after any of the years
    selected as baseline years, the source’s baseline emissions shall be
    lowered to reflect the amount of VOM emissions that would be
    achieved if in compliance with such requirements.
    3)
    If, in any of the years selected for baseline emissions, a source’s
    VOM emissions are in excess of the amount of VOM emissions
    allowed by applicable rules because it has been granted a
    variance, has entered into a consent order, or is operating
    pursuant to a CAAPP permit compliance schedule, the baseline
    emissions for such source shall be lowered to reflect the VOM
    emissions amount that would be achieved if in compliance with
    such requirements, subject to the following:
    A)
    Each such source shall be allowed to emit VOM emissions
    in excess of the ATUs it holds at the end of the
    reconciliation period each year until compliance with the

    75
    applicable regulation is achieved, or upon expiration of
    the relief allowed for in the variance, consent order or
    CAAPP permit compliance schedule, whichever occurs
    first;
    B)
    Such excess VOM emissions shall be allowed to the extent
    that the amount of actual VOM emissions for the seasonal
    allotment period are in an amount not greater than the
    difference between the source's actual emissions, to the
    extent allowed in the variance, consent order or CAAPP
    permit compliance schedule, and the amount of VOM
    emissions that would be emitted if in full compliance; and
    C)
    The seasonal component of the Annual Emissions Report
    for each such source shall be adjusted each year until
    compliance with the applicable requirement(s) is achieved,
    or upon expiration of the relief allowed for in the
    variance, consent order or CAAPP permit compliance
    schedule, whichever occurs first, as specified in
    subsection (e)(3)(B) of this Section.
    4)
    For any participating source that operated with excess emissions
    during startup, malfunction or breakdown during any year used to
    determine its baseline emissions, whether or not such operation
    was authorized pursuant to the source’s permit, excess VOM
    emissions attributable to startup, malfunction or breakdown shall
    be excluded from the baseline emissions.
    f)
    For new or modified emission units at a source for which a construction
    permit was issued prior to January 1, 1998, but for which three years of
    operational data is not available, the baseline emissions determination for
    the source shall include VOM emissions from such new emission unit or
    the increase in emissions from the modification of such emission unit
    based on the two seasonal allotment periods with the highest VOM
    emissions from the first three complete seasonal allotment periods in
    which any such new or modified emission unit is operational. ATUs
    shall only be issued in accordance with this subsection after the baseline
    emissions has been determined. Any such source shall not be required to
    hold ATUs for VOM emissions attributable to the new emission unit or
    the modification of the existing emission unit for the first three complete
    seasonal allotment periods in which it is operational.
    g)
    For any source which acquired emission reduction credits pursuant to a
    written agreement, entered into prior to January 1, 1998, and such
    emission reduction credits were acquired for use as emissions offsets, in

    76
    accordance with 35 Ill. Adm. Code 203, such emission reduction credits,
    adjusted for the seasonal allotment period, and reduced by 24 percent,
    shall be included in the baseline emissions determination for the source,
    only to the extent that:
    1)
    The Agency has issued a federally enforceable permit, prior to
    January 1, 1998, to the source from which the emission reduction
    credits were acquired, and such federally enforceable permit
    recognized the creation of the VOM emission reduction credits by
    the cessation of all VOM-emitting activities and the withdrawal
    of the operating permits for VOM-emitting activities at such
    other sources; and
    2)
    The Agency has not relied upon the emission reduction credits to
    demonstrate for attainment or reasonable further progress
    demonstration purposes.
    Section 205.330
    Emissions Determination Methods
    The owner or operator of a participating source or new participating source shall
    determine VOM emissions from the source during the seasonal allotment period using
    methods as necessary to demonstrate compliance with this Part. Such methods shall be,
    at a minimum, as stringent as those required by any applicable requirement and any
    permit condition. The Agency shall establish the emissions determination methods
    applicable to each such source in the source’s CAAPP permit. The following methods,
    in conjunction with relevant source-specific throughput and operating data, are
    acceptable methods a source may use to determine seasonal emissions, depending on
    the type of emission unit:
    a)
    Material balance calculation, based on the VOM content of raw materials
    and recovered materials, as is typically used for degreasers, coating
    lines, and printing lines equipped with a carbon adsorption system
    (recovery-type control device) or without any control device;
    b)
    A standard engineering formula for estimation of emissions, as is
    typically used for storage and transfer of volatile organic liquids;
    c)
    A source-specific emission factor(s), based on representative testing and
    sampling data and appropriate analysis, as typically used for petroleum
    refining processes;
    d)
    A published USEPA emission factor(s), as is typically used for
    component leaks;

    77
    e)
    A source-specific emission rate or VOM control efficiency, based on
    representative testing, as is typically used for chemical processes and
    afterburners (destruction-type control device), respectively;
    f)
    A method not listed above that is sufficient to demonstrate compliance
    with this Section; or
    g)
    An appropriate combination of the above methods, as typically used for
    a coating or printing line equipped with a control device, where the
    available emissions are determined by material balance and the control
    efficiency is determined by representative testing.
    Section 205.335
    Sampling, Testing, Monitoring and Recordkeeping Practices
    The owner or operator of a participating source or new participating source shall
    conduct sampling, perform testing, conduct monitoring and maintain records as needed
    to support its method for determining seasonal emissions in accordance with Section
    205.330 of this Subpart and to demonstrate compliance with this Part. Such sampling,
    testing, monitoring and recordkeeping shall be, at a minimum, as stringent as that
    required by any applicable requirement and any permit condition. The Agency shall
    establish the practices applicable to each such source in the source’s CAAPP permit.
    Section 205.337
    Changes in Emission Determination Methods and Sampling,
    Testing, Monitoring and Recordkeeping Practices
    a)
    The methods used for determining seasonal emissions from a source
    shall generally be consistent with the methods used to determine its
    baseline emissions unless the source's permit accommodates the use of
    alternate methods to determine VOM emissions.
    b)
    Modification of Methods and Practices
    1)
    If a source proposes new or revised methods to determine VOM
    emissions or new or revised supporting practices for sampling,
    testing, monitoring or recordkeeping that differ significantly from
    the methods and practices specified by its current permit, the
    source shall obtain a revised permit in accordance with the
    procedures specified in Section 39.5 of the Act [415 ILCS
    5/39.5], prior to relying on such methods and practices.
    2)
    The Agency shall issue a revised permit if it finds, based upon
    submission of an appropriate permit application, that the
    proposed methods or practices are needed or appropriate to
    address changes in the operation of the source or emission units
    that were not considered when the current permit was issued, that

    78
    the proposed methods and procedures will not significantly affect
    the determination of actual seasonal emissions, or that the
    proposed methods and procedures incorporate new or improved
    analytical techniques or estimation methods that will increase the
    accuracy with which actual seasonal emissions are determined,
    and other applicable requirements for issuance of a revised permit
    are met.
    3)
    If the Agency approves the use of a modified method or practice,
    the Agency is authorized to determine a corrected baseline and
    thereafter issue ATUs in accordance with Section 205.400(c)
    pursuant to this corrected baseline.
    SUBPART D: SEASONAL EMISSIONS MANAGEMENT
    Section 205.400
    Seasonal Emissions Allotment
    a)
    Each participating source shall receive an allotment which shall be issued
    by the Agency and distributed in ATUs.
    b)
    Except for ATUs issued pursuant to Sections 205.315(a) and (c),
    205.500 and 205.510, ATUs issued for any seasonal allotment period are
    valid for use during the seasonal allotment period following issuance and
    the next succeeding seasonal allotment period. All ATUs shall be valid
    until such ATUs expire or are retired.
    c)
    The initial allotment for each participating source shall be based on the
    baseline emissions for such source, as determined in accordance with
    Section 205.320 of this Part, and shall be reduced by 12 percent in 1999
    or in such other year that a source is issued its initial allotment, except as
    provided in Section 205.405 of this Subpart.
    d)
    Except as provided in Section 205.337(b)(3) of this Part and subsections
    (c) and (e) of this Section, allotments shall remain at 1999 or initial
    levels unless the Agency makes a demonstration to the Board, in
    accordance with the rulemaking provisions of Sections 9.8, 27 and 28 of
    the Act [415 ILCS 5/9.8, 27 and 28], that further reductions are needed
    in accordance with the rulemaking provisions of Sections 9.8, 27 and 28
    of the Act. An allotment or a baseline under this Part does not constitute
    a property right. Nothing in this Part shall be construed to limit the
    authority of the Board to terminate or limit such allotment or baseline
    pursuant to its rulemaking authority under Sections 9.8, 27, and 28 of
    the Act [415 ILCS 5/9.8, 27 and 28].

    79
    e)
    If the baseline emissions for any participating source is increasedrevised
    in accordance with Section 205.320(f) of this Part, the allotment shall be
    increased by the modified portion of the baseline emissions amount,
    reduced by 12 percent, except as provided in Section 205.405 of this
    Part.
    f)
    Except as provided in subsection (h) of this Section, any new
    participating source shall not be issued ATUs by the Agency, but shall
    be required to hold ATUs at the end of the reconciliation period as
    specified in Section 205.150(d) of this Part for each seasonal allotment
    period in which it is operational.
    g)
    Any source existing as of May 1, 1999, which first becomes subject to
    the requirements of this Part because its seasonal emissions increase to
    more than 10 tons or more as a result of a major modification pursuant
    to 35 Ill. Adm. Code 203, in any seasonal allotment period beginning
    with 1999, shall not be allotted ATUs by the Agency for the VOM
    emissions attributable to this modification, except as provided in
    subsection (h) of this Section, but shall be allotted ATUs by the Agency
    based on its baseline emissions, as determined in accordance with
    Section 205.320 of this Part. Any such participating source shall be
    required to hold ATUs at the end of the reconciliation period as specified
    in Section 205.150(c) of this Part, for each seasonal allotment period in
    which it is subject to this Part.
    h)
    If a participating source or new participating source submits an ATU
    transfer agreement authorizing the transfer of ATUs for more than one
    year, as provided in Section 205.630(a)(2)(B) of this Part, the ATUs
    shall be automatically transferred by the Agency from the transferor’s
    Transaction Account to the transferee’s Transaction Account. Upon
    reopening or renewal of the CAAPP permit for any such source, any
    multiple season transfer agreement that has three or more years of
    transfers remaining shall be identified in the renewed or reissued
    CAAPP permit for each such source.
    Section 205.405
    Exclusions from Further Reductions
    a)
    VOM emissions from the following emission units or activities, if
    satisfying Section 205.405(a)(1), (2) or (3) prior to May 1, 1999, shall
    be excluded from the VOM emissions reductions requirement specified
    in Section 205.400(c) and (e) of this Subpart as long as such emission
    units continue to satisfy Section 205.405(a)(1), (2) or (3):
    1)
    Emission units or activities that comply with any NESHAP or
    MACT standard promulgated pursuant to the CAA;

    80
    2)
    Direct combustion emission units designed and used for comfort
    heating purposes, fuel combustion emission units and internal
    combustion engines; and
    3)
    An emission unit for which a LAER demonstration has been
    approved by the Agency on or after November 15, 1990.
    b)
    When it is determined that an emission unit in operation prior to 1999 is
    using, prior to May 1, 1999, BAT the best available technology for
    controlling VOM emissions, VOM emissions from such emission units
    shall not be subject to the VOM emissions reductions requirement
    specified in Section 205.400(c) or (e) of this Subpart as long as such
    emission unit continues to use such BAT. The owner or operator of a
    source may request such exclusion from further reductions by providing
    the following information, in addition to the information required in
    Section 205.310 of this Part, in its ERMS application:
    1)
    Identification of each emission unit for which exclusion is
    requested, including the year of initial operation of such emission
    unit;
    2)
    Identification of all requirements applicable to the emission unit;
    3)
    A demonstration that the emission unit is using BAT the best
    available technology for controlling VOM emissions;
    4)
    Identification of the permitted VOM emissions from the emission
    unit;
    5)
    VOM emissions from the emission unit for each seasonal
    allotment period used in the baseline emissions determination for
    the source; and
    6)
    A description and quantification of any reductions in VOM
    emissions that were achieved at the emission unit or source based
    on its use of BATthe best available technology.
    c)
    As part of its review of an ERMS application or application for a
    modified allotment, the Agency may determine that any such emission
    unit qualifies for exclusion from further reductions under subsections (a)
    or (b) of this Section. The Agency shall make its proposed
    determination in a draft CAAPP permit subject to public notice and
    participation, accompanied by an explanation of its proposed action.

    81
    Section 205.410
    Participating Source Shutdowns
    a)
    If a participating source shuts down all operations at the source, and
    withdraws its permit or its permit is revoked or terminates, allotments
    issued to such a source for each seasonal allotment period after the
    shutdown occurred, except as provided in subsection (d), shall be subject
    to the following:
    1)
    80 percent of all such ATUs shall continue to be allotted to the
    owner or operator of such source or its duly authorized recipient;
    and
    2)
    20 percent of all such ATUs shall be issued to the ACMA.
    b)
    Except as provided in subsection (c) of this Section, the owner or
    operator of any participating source that shuts down all operations, in
    accordance with subsection (a) of this Section, and withdraws its
    CAAPP permit shall submit a written request to have its status changed
    to a general participant, upon withdrawal, revocation or termination of
    its permit.
    c)
    The owner or operator of any participating source that shuts down all
    operations, in accordance with subsection (a) of this Section, may
    authorize the issuance of future ATUs to the Transaction Account of
    another participating source, new participating source or general
    participant by submitting a transfer agreement authorizing a permanent
    transfer of all future ATUs. The CAAPP permit of any participating
    source or new participating source designated to receive future
    allotments of ATUs pursuant to such a transfer agreement shall be
    modified to reflect this transfer upon reopening or renewal. Any ATUs
    issued pursuant to a transfer agreement entered into under this subsection
    before shut down of all operations of the participating source shall not be
    subject to subsection (a) of this Section.
    d) The consolidation of operations of two or more participating sources
    shall not be considered a source shutdown for the source that withdraws
    its permit or its permit is revoked or terminates if the participating
    sources are under common control of the same persons or persons under
    common control. In the event of such a consolidation, 100 percent of
    the participating source's allotment of ATUs shall be transferred to the
    participating source that remains in operation. The transfer of the
    ATUs, pursuant to this subsection, shall be done pursuant to subsection
    (c) of this Section.
    SUBPART E: ALTERNATIVE ATU GENERATION

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    Section 205.500
    Emissions Reduction Generator
    Any participating source, new participating source or general participant may submit a
    proposal for issuance of ATUs to it based on VOM emissions reductions, as specified
    in subsection (a) of this Section, achieved by any source or group of sources located in
    the Chicago ozone nonattainment area with an operating permit(s) other than a
    participating source or new participating source. The owner or operator of each source
    from which the VOM emissions reductions have been or will be achieved shall certify
    its acceptance of the terms of the proposal and that it has achieved or will achieve the
    emissions reductions specified in the proposal. An emissions reduction generator may
    apply for a modification to its operating permit to incorporate limitations that make the
    VOM emissions reductions specified in the relevant proposal enforceable.
    a)
    ATUs will only be issued pursuant to this Section if based on actual
    VOM emissions reductions that meet one or more of the following:
    1)
    If, based on the same actual production rate, VOM emissions at
    the source for any seasonal allotment period beginning in 1999
    are or will be lower due to the use of technology or materials at
    the source than if operating at the same production rate at the
    emissions level allowed by applicable requirements effective in
    1996 or any requirements included in the State Implementation
    Plan, provided such reductions occurred after 1990;
    2)
    The source shuts down a portion or all of its operation(s) after
    1996 and withdraws the relevant operating permit(s), provided
    the VOM emissions from the shut down activity or activities will
    not be distributed elsewhere within the Chicago ozone
    nonattainment area; or
    3) The source(s) curtails its seasonal production activity resulting in
    an actual reduction in VOM emissions during any seasonal
    allotment period beginning in 1999, provided the VOM emissions
    from the curtailment will not be distributed elsewhere within the
    Chicago nonattainment area. Such emissions reduction shall be
    based on the difference between the average production level for
    the two seasonal allotment periods prior to the year of curtailment
    and the curtailed production level, calculated at the VOM
    emission rate allowed by applicable requirements effective in
    1996.; or
     
    4) The source shuts down operations or curtails seasonal production
    activity as described in subsections (a)(2) and (a)(3) of this
    Section, respectively, and the VOM emissions from the shut

    83
    down activity or activities or curtailment will be distributed to a
    participating or new participating source or sources within the
    Chicago ozone nonattainment area, and the proposal provides that
    all ATUs issued pursuant to this Section on account of such shut
    down or curtailment are to be issued to the corresponding
    participating or new participating source or sources.
    b)
    If any proposal is based on a shut down of operations, as specified in
    subsection (a)(2) of this Section, that results in seasonal emissions
    reductions of 10 tons or more, 20 percent of ATUs issued based on such
    an emissions reduction generator proposal shall be allocated to the
    ACMA.
    c)
    Any proposal based on seasonal emissions reductions of 10 tons or more
    and the Agency’s approval thereof shall be subject to the public notice
    requirements of Section 39.5 of the Act [415 ILCS 5/39.5].
    d)
    Any proposal submitted shall include the following:
    1)
    Information identifying the source(s) from which the VOM
    emissions reductions has been or will be achieved and its owner
    or operator;
    2)
    An explanation of the method used to achieve the VOM
    emissions reductions;
    3)
    Relevant information describing the nature of the underlying
    activity that generated the VOM emissions and the relationship of
    the units at which the VOM emissions reduction occurred to other
    units or sources performing the same or related activity in the
    Chicago ozone nonattainment area, if the VOM emissions
    reduction is attributable to a partial or complete source shutdown
    or a production curtailment, as specified in subsections (a)(2), or
    (a)(3) or (a)(4) of this Section, respectively;
    4)
    The amount of VOM emissions for the two seasonal allotment
    periods prior to the year(s) of curtailment, including supporting
    calculations, if the VOM emissions reduction is attributable to a
    production curtailment as specified in subsections (a)(3) or (a)(4)
    of this Section;
    5)
    The amount of the VOM emissions reduction, including
    supporting calculations and documentation, such as material
    usage information;

    84
    6)
    The name and address of the participating source(s), new
    participating source(s) or general participant(s) to which ATUs
    will be issued, including the name and telephone number of the
    account officer for such source or participant; and
    7)
    The owner or operator of each proposed emission reduction
    generator shall certify its acceptance of the terms of the proposal
    and certify that it has achieved or will achieve the emissions
    reductions specified in the proposal.
    e)
    The owner or operator of any emissions reduction generator may modify
    its operating permit to incorporate limitations that make the VOM
    emissions reductions specified in the relevant proposal enforceable.
    f)
    If the emissions reduction generator does not modify its permit, as
    specified in subsection (e) of this Section, or experiences a shutdown, as
    specified in subsections (a)(2) or (a)(4) of this Section, and the proposal
    is submitted prior to the availability of actual VOM emissions data from
    the relevant seasonal allotment period, the Agency shall determine if the
    proposal is acceptable on a preliminary basis and provide notification of
    this determination. The Agency shall not issue final approval, in
    accordance with subsection (g) of this Section, of any such proposal until
    the actual VOM emissions data is submitted.
    g)
    The Agency shall notify the participating source, new participating
    source or general participantapplicant in writing of its final decision with
    respect to the proposal within 45 days afterof receipt of such proposal or
    receipt of VOM emissions data to verify that the specified reductions
    occurred, whichever occurs later. If the Agency denies or conditionally
    approves a proposal, this written notice shall include a statement of the
    specific reasons for denying or modifying the proposal. The Agency’s
    determination as to the approvability of any proposal submitted pursuant
    to this Section is subject to review by the Board as provided at 35 Ill.
    Adm. Code 105.102, provided the proposed emissions reduction
    generator is not requesting a permit revision. If such a permit revision is
    requested, the applicable permit review and appeal procedures shall
    apply.
    h)
    If the Agency deems that the proposal is sufficient to receive final
    approval, the Agency shall issue ATUs in accordance with the
    following:
    1)
    Any ATUs issued pursuant to this subsection shall be issued to
    the participating source(s), new participating source(s) or general
    participant identified in the proposal;

    85
    2)
    If the emissions reduction generator modifies its operating permit
    as specified in subsection (e) of this Section, to incorporate
    limitations that make the VOM emissions reductions specified in
    the relevant proposal enforceable, ATUs shall be issued on the
    date such source is required to comply with the limitations in the
    permit and for each seasonal allotment period thereafter in which
    the VOM emissions reductions are required by the source’s
    permit;
    3)
    If the proposal is based on a partial or complete shut down, as
    specified in subsections (a)(2) or (a)(4) of this Section, ATUs
    shall be issued before the seasonal allotment period for each year
    specified in the proposal;
    4)
    If the emissions reduction generator does not modify its permit
    and the proposal is submitted prior to the availability of actual
    VOM emissions data from the relevant seasonal allotment
    period(s), the Agency shall issue ATUs upon final approval
    which shall occur after actual VOM emissions data is evaluated
    for the relevant seasonal allotment period;
    5)
    If the emissions reduction generator includes information on
    actual VOM emissions reductions during the seasonal allotment
    period for which ATUs are sought, ATUs will be issued by the
    Agency upon final approval of the proposal;
    6)
    Except as provided in subsection (h)(7) of this Section, ATUs
    issued pursuant to this subsection shall only be valid for the
    seasonal allotment period in which the emissions reductions were
    achieved; and
    7) If the VOM emissions reductions specified in a proposal are
    incorporated into the emissions reduction generator’s permit or, if
    the emissions reduction generator shuts down all or a portion of
    its operations and withdraws all relevant operating permits, ATUs
    issued pursuant to this subsection shall be valid for the seasonal
    allotment period following issuance and for the next seasonal
    allotment period; and
    8) The number of ATUs issued pursuant to subsections (h)(2) or
    (h)(3) of this Section based on a proposal under subsection (a)(4)
    of this Section shall be equal to the number of ATUs otherwise
    issuable under this Section reduced by 12 percent.

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    Section 205.510
    Inter-Sector Transaction
    Any person may submit a proposal to the Agency to have ATUs issued to the
    Transaction Account of a participating source, new participating source or general
    participant equivalent to VOM emissions reductions from mobile sources or area
    sources. Any such proposal for the VOM emissions reduction project is subject to
    Agency review and approval, shall be consistent with laws and regulations and shall
    include all supporting documentation. The Agency shall review all such proposals in
    accordance with the following:
    a)
    Regulatory Based Proposal
    If the VOM emission reductions that have been generated or will be
    generated are pursuant to a regulation that provides the procedure to
    determine VOM emissions reductions and allows for such reductions to
    be converted to ATUs, the Agency shall approve the proposal if based
    on the provisions of the applicable regulation. The Agency shall
    approve, conditionally approve or deny any complete and adequately
    supported proposal within 45 days afterof the Agency's receipt thereof
    by sending written notification of its decision. If the Agency denies or
    conditionally approves a proposal, this written notice shall include a
    statement of the specific reasons for denying or modifying the proposal.
    b)
    Other Proposals
    If the proposal is based on VOM emissions reductions that have been
    generated or will be generated which are beyond VOM emissions
    reductions required by any mandatory applicable rules, the proposal shall
    include an explanation of the method(s) used to achieve the VOM
    emissions reductions and the method(s) used to quantify the VOM
    emissions reductions, including supporting documentation and
    calculations. The Agency shall evaluate the validity of VOM emission
    reductions that allegedly were generated or will be generated and
    approve, conditionally approve or deny any complete proposal within 90
    days afterof the Agency's receipt by sending written notification of its
    decision to the source. If the Agency denies or conditionally approves a
    proposal, this written notice shall include a statement of the specific
    reasons for denying or modifying the proposal.
    c)
    No ATUs shall be issued based on mobile or area source VOM
    emissions reductions unless a proposal, in accordance with this Section,
    has been approved by the Agency.
    d)
    All ATUs issued pursuant to a proposal approved pursuant to this
    Section shall be issued to the Transaction Account identified in the

    87
    proposal.
    Such ATUs shall only be valid for the seasonal allotment period
    in which the emissions reductions were achieved, unless the Agency
    specifies in its approval that such ATUs shall be valid for the seasonal
    allotment period following issuance and for the next seasonal allotment
    period.
    e)
    The Agency’s determination that a proposal submitted pursuant to this
    Section is denied or conditionally approved is subject to review by the
    Board as provided at 35 Ill. Adm. Code 105.102.
    SUBPART F: MARKET TRANSACTIONS
    Section 205.600
    ERMS Database
    a)
    The Agency or its designee shall maintain a bulletin board that shall be
    available for public access on which a listing of the status of ATUs will
    be posted. Other public information and notices will also be posted and
    participating sources, new participating sources and general participants
    may post ATUs available for purchase or wanted for purchase. The
    bulletin board shall include the following information on ATUs:
    1)
    Date issued, and source issued to;
    2)
    Where applicable, date transferred, and source or person
    transferred to;
    3)
    Status of ATUs in each account, i.e., available for use, or date
    retired or date expired; and
    4)
    Posted each week during the reconciliation period and no less
    than monthly at all other times, the average price paid for ATUs
    transferred the previous week or the previous month, as
    appropriate.
    b)
    The Agency or its designee shall maintain a Transaction Account
    database. Information contained on this database shall be considered the
    official record of the ERMS. Account officer(s) may request status
    updates for accounts for which they are designated. The database shall
    include information on all ATUs held in each account.
    c)
    The Agency or its designee shall separately maintain a listing of all
    ATUs expired or retired within the most recent five years, including the
    date of expiration or retirement.
    Section 205.610
    Application for Transaction Account

    88
    a)
    Each participating source, new participating source and general
    participant shall apply for and obtain authorization for a Transaction
    Account from the Agency prior to conducting any market transactions.
    Each participating source shall submit to the Agency its completed
    application for a Transaction Account no later than 30 days prior to the
    beginning of the first seasonal allotment period in which the source is
    required to participate. Each new participating source shall submit to the
    Agency its completed application for a Transaction Account no later than
    30 days prior to the beginning of the first seasonal allotment period in
    which it is operational.
    b)
    Each Transaction Account application shall include the following
    information:
    1)
    The name and address of the participating source, new
    participating source or general participant, and the name and
    address of its owner or operator;
    2)
    The names and addresses of all designated account officers;
    3)
    The certification specified in Section 205.620(a)(5) of this
    Subpart signed by each account officer; and
    4)
    For a participating source or new participating source,
    identification of the CAAPP permit number for the source.
    c)
    Special Participants
    Any person may purchase ATUs to retire for air quality benefit only.
    Such person shall be a special participant and shall register with the
    Agency prior to its first ATU purchase. Special participants will not
    have Transaction Accounts in the Transaction Account database. All
    ATUs purchased by special participants will be retired effective on the
    date of purchase and will be listed as retired in the appropriate database.
    d)
    Special participants will be given a registration number by the Agency so
    that their purchases of ATUs can be recorded.
    Section 205.620
    Account Officer
    a)
    Each participating source, new participating source or general participant
    must have an at least one account officer designated for each of its
    Transaction Accounts. The account officer(s) shall be the only person(s)
    authorized to make ATU transactions involving such designated

    89
    Transaction Account. At least one account officer must certify each
    official document that pertains to a designated Transaction Account or
    associated market transactions. Account officers may be employees or
    contractors of participating sources, new participating sources or general
    participants. No participating source, new participating source or
    general participant may engage in ATU transactions if it does not have
    an account officer approved by the Agency. Each account officer shall
    satisfy all of the following:
    1)
    Be at least 18 years of age;
    2)
    Be an American citizen or a legal alien;
    3)
    Have not been convicted of or had a final judgment entered
    against him or her in any State or federal court for a violation of
    State or federal air pollution laws or regulations, or for fraud;
    4)
    Be scheduled to attend the next scheduled training program or has
    already completed the program; and
    5)
    Certify to the following statement as a part of the relevant
    Transaction Account application:
    I certify that I satisfy all of the requirements for an account
    officer. I am aware that I may be disqualified from acting as an
    account officer in the State of Illinois, pursuant to 35 Ill. Adm.
    Code 205this Part, if any information submitted in this
    application is determined to be false or misleading.
    b)
    Account Officer Training Program
    Except as provided in subsection (d) of this Section, each
    candidateapplicant must satisfactorily complete the training program for
    account officers conducted by the Agency or its designee prior to acting
    as an account officer.
    1)
    To attend the account officer training program, a person must
    enroll with the Agency prior to the date for the next scheduled
    training program.
    2)
    The training program shall cover, at a minimum, the following
    topics: an overview of the ERMS, forms for the ERMS, market
    transaction procedures, and operation of the ERMS
    databasesDatabases.

    90
    3)
    The account officer training program will be offered at least once
    annually, and may be offered more frequently, depending upon
    demand. The Agency or its designee shall publish advance notice
    of the time, date and location for each training program.
    c)
    Disclaimer
    The Agency and the State of Illinois do not endorse or guarantee the
    conduct or quality of work by account officers who have been approved
    by the Agency, nor does it endorse or guarantee the validity of any
    representations or ERMS market transactions offered or made by account
    officers who have been approved by the Agency.
    d)
    Expedited Approval of Account Officer
    In the event that an account officer unexpectedly leaves that position, the
    participating source, new participating source or general participant may
    request permission from the Agency to allow for a new account officer
    for up to one year, provided the participating source, new participating
    source or general participant submits a written certification in accordance
    with subsection (a)(5) of this Section and affirms that the candidate for
    expedited approval by the Agency shall complete the training program,
    in accordance with subsection (b) of this Section, no later than one year
    from the date the expedited approval is requested.
    Section 205.630
    ATU Transaction Procedures
    Recognized sales and purchases of ATUs may be made between any two Transaction
    Accounts or from a Transaction Account to the ACMA. A sale of ATUs may also be
    made from a Transaction Account to a special participant. No sale of ATUs shall be
    recognized from a special participant to any other person.
    a)
    Transfer of ATUs shall be subject to the following requirements:
    1)
    Transfers between Transaction Accounts may only be made by
    the account officers for both accounts;
    2)
    All ATU transfers shall be duly authorized by the account
    officers for both Transaction Accounts, or, if the ATUs are being
    transferred to a special participant, the account officer of the
    Transaction Account of the transferor and a representative of the
    special participant;
    A)
    Duly authorized ATU transfers shall identify the ATU(s)
    involved in the transaction;

    91
    B)
    Written ATU transfer agreements signed by the account
    officers for both Transaction Accounts may authorize the
    transfer of ATUs for more than one season. If a transfer
    agreement authorizes the future transfer of ATUs for any
    season for which ATUs have not yet been issued for use,
    the ATUs shall be automatically transferred to the buyer’s
    Transaction Account for each year such transfer is
    authorized pursuant to the transfer agreement, in which
    case the account officers for each Transaction Account
    will be notified of this transfer;
    3)
    No transfer shall be considered official for purposes of the ERMS
    until entered into the Transaction Account database;
    4)
    The Agency or its designee shall enter ATU transfers into the
    Transaction Account database within one week of the Agency
    receiving notification of a duly authorized ATU transfer; and
    5)
    Any ATU transfer agreements entered into after December 31 of
    a given year may not be used by the buyer to cover emissions
    from the preceding seasonal allotment period, but may only be
    used prospectively.
    b)
    The account officers involved in ATU transfers shall report the purchase
    price for all ATU transfers to the Agency or its designee and shall
    indicate whether consideration other than the purchase price reported
    was involved in the transfer.
    c)
    Transaction Requirements
    1)
    Expired or retired ATUs may not be bought or sold;
    2)
    The Transaction Account database must show ATUs proposed for
    transfer as being held by the selling entity. After such transfer is
    official as specified in subsection (a)(3) of this Section, the
    transferee’s Transaction Account will show the ATUs subject to
    such transfer as being held in this Transaction Account;
    3)
    The minimum sale allowed under the ERMS shall be one ATU;
    and
    4)
    No sale may include partial ATUs.
    d)
    Official Record of Transactions

    92
    1)
    The official record of all ATU transactions and the current status
    of all ATUs shall be the Transaction Account database.
    2)
    Account officers shall be allowed to inspect their Transaction
    Account(s) in the Transaction Account database. Any
    discrepancies found by the account officer shall be reported to the
    Agency or its designee along with a request for correction. All
    data supporting such request shall be sent along with the request
    for correction. A request for correction may not be used to alter
    an allotment.
    3)
    After the end of each reconciliation period, the Agency shall
    retire ATUs in the Transaction Account of each participating
    source or new participating source in the amount specified in
    Section 205.150(c) or (d) of this Part. If the source does not
    have sufficient ATUs in its Transaction Account to account for its
    VOM emissions from the preceding seasonal allotment period,
    the source shall be subject to emissions excursion compensation
    in accordance with Section 205.720730 of this Part. ATUs shall
    be retired in order of issuance, unless the account officer for the
    Transaction Account notifies the Agency in writing to specify
    which ATUs in the Transaction Account should be retired.
    SUBPART G: PERFORMANCE ACCOUNTABILITY
    Section 205.700
    Compliance Accounting
    a)
    The owner or operator of each participating source or new participating
    source shall maintain and retain for five (5) years at the source or at
    another location agreed to by the Agency, in conjunction with the
    records it maintains to demonstrate compliance with its CAAPP permit,
    all of the following documents as its compliance master file:
    1)
    A copy of its seasonal component of its Annual Emissions
    Report;
    2)
    Information on actual VOM emissions, as recorded in accordance
    with Section 205.335 of this Part, and as required by the CAAPP
    permit for the source; and
    3)
    Copies of any transfer agreements for the purchase or sale of
    ATUs and other documentation associated with the transfer of
    ATUs.

    93
    b)
    Compliance Master File Review
    1)
    The owner or operator of each participating source or new
    participating source shall allow the Agency or an authorized
    representative to enter and inspect the premises in accordance
    with Section 39.5(7)(ii) of the Act [415 ILCS 5/39.5(7)(ii)] and
    to review its compliance master file. [415 ILCS
    5/39.5(7)(ii)(1996).]
    2)
    After the conclusion of each compliance master file review, a
    report shall be prepared by the Agency and issued to the
    inspected source that includes the following information:
    A)
    An identification of any noncompliance with the
    requirements of this Part; and
    B)
    An evaluation of increases and decreases in emissions of
    VOMs that are also hazardous air pollutants, as related to
    ATU transactions.
    3)
    Nothing in this Part shall affect any other obligations of a source
    to allow inspection(s) under State or federalFederal laws or
    regulations.
    Section 205.710 Alternative Compliance Market Account (ACMA)
    a)
    The Agency or its designee shall operate the ACMA. The purpose of
    the ACMA is to serve as a secondary source of ATUs that may be
    purchased by participating sources and new participating sources, as
    specified in this Section.
    b)
    The ATUs in the ACMA will have an indefinite life so long as they
    remain in the ACMA, but, once purchased, must be used either for the
    preceding or next seasonal allotment period. If these ATUs are not used
    for compliance in that seasonal allotment period, they will expire.
    c)
    ATUs in an amount equal to one percent of each year’s allotment shall
    be issued to the ACMA, beginning in 1999. In addition, ATUs shall be
    deposited into the ACMA due to source shutdowns, as specified in
    Sections 205.410(a) and 205.500(b) of this Part. ATUs for the ACMA
    may also be obtained by the Agency in the following ways:
    1)
    The Agency or its designee is authorized to accept voluntary
    contributions of ATUs from participating sources or other
    persons for deposit into the ACMA.

    94
    2)
    The Agency is authorized to deposit ATUs from its purchase of
    ATUs or to deposit ATUs created from emissions reductions it
    generates beyond reductions otherwise required by statute or
    regulation for attainment of the NAAQS for ozone.
    d)
    Regular Access to ACMA
    1)
    Regular access to the ACMA shall be available when there is
    sufficient positive balance of ATUs to supply the requesting
    source. Any participating source or new participating source
    may apply to the Agency during the reconciliation period for
    regular access to the ACMA to purchase ATUs for the preceding
    seasonal allotment period.
    2)
    Within 15 days afterof receipt of any request for regular access to
    the ACMA, the Agency shall notify the source if regular access
    to the ACMA is available or, if there are insufficient ATUs in the
    ACMA for regular access. The Agency shall also advise any
    participating source that special access is available when regular
    access is unavailable.
    3)
    After being granted regular access to the ACMA by the Agency,
    a participating source or new participating source may purchase
    ATUs from the ACMA at the rate of $1,000 per ATU or 1.5
    times the average market price, as determined by the Agency,
    whichever is less. ATUs shall only be available at 1.5 times the
    market price if sufficient single season ATUs transfers have
    occurred with a purchase price that fully reflects the
    consideration involved in the transfer to establish an average
    market price. All payments for ATUs from the ACMA shall be
    made to the Agency or the Agency's designee for deposit into the
    Alternative Compliance Market Account Fund.

    95
    e)
    Special Access to ACMA
    Special accessAccess to the ACMA shall be available to participating
    sources, in accordance with this subsection, when the ACMA balance is
    not sufficient to meet the needs of requesting participating sources.
    1)
    The Agency shall credit the ACMA with up to one percent of
    ATUs from the seasonal allotment for the next seasonal allotment
    period as an advance to provide assistance for special access to be
    granted, as provided in subsection (e)(2) of this Section. Special
    access to the ACMA shall only be allowed to the extent that such
    access does not exceed this one percent of the next seasonal
    allotment.
    2)
    To the extent allowed pursuant to subsection (e)(1) of this
    Section, the Agency shall grant special access to the ACMA to
    any participating source if the source submits a written request
    demonstrating that the following exist:
    A)
    During the reconciliation period the source has not been
    able to obtain regular access to the ACMA and has not
    been able to obtain ATUs in the market; and
    B)
    Actual seasonal emissions have exceeded ATUs held by
    the source for the applicable seasonal allotment period.
    3)
    After being granted special access to the ACMA, a participating
    source may purchase ATUs at the rate of $1100 per ATU or 2
    times the average market price, as determined by the Agency,
    whichever is less. ATUs shall only be available at 2 times the
    market price if sufficient single season ATUs transfers have
    occurred with a purchase price that fully reflects the
    consideration involved in the transfer to establish an average
    market price. All payments for ATUs from the ACMA shall be
    made payable to the Agency or the Agency’s designee for deposit
    into the Alternative Compliance Market Account Fund.
    4)
    The Agency shall provide written notification, within 15 days
    afterof receipt of any request for special access to the ACMA,
    allowing or denying special access to the ACMA to any
    participating source requesting such access. If the Agency denies
    such access, this written notification shall include its reasons for
    denying access.

    96
    f)
    Special access to the ACMA will create a need to generate sufficient
    VOM emissions reductions during the subsequent calendar year to offset
    the ATUs distributed; in this instance, the Agency shall:
    1)
    Offset these ATUs by crediting any expired ATUs from the
    Transaction Accounts of all ERMS participants to the ACMA
    after the end of the reconciliation period;
    2)
    Seek to achieve an equivalent amount of VOM emissions
    reductions by the end of the subsequent year to offset these
    ATUs; or
    3)
    Credit the ACMA with the one percent of ATUs, as needed,
    from the next seasonal allotment, as provided in subsection (e)(1)
    of this Section.
    g)
    The Agency is authorized to use moneys derived from the sale of ATUs
    from the ACMA to develop and implement additional VOM emissions
    reductions. If the ACMA is operating without a positive balance, the
    Agency shall endeavor to generate new emissions reductions whenever
    possible.
    h)
    Limitations on Operation of ACMA
    The ability of new participating sources to obtain ATUs from the ACMA
    shall be limited through the seasonal allotment period of 2002, in the
    aggregate, to no more than 30 percent of the available ACMA balance at
    the start of each seasonal allotment period unless ATUs are available
    after access by all participating sources. In such case, new participating
    sources may obtain ATUs from the ACMA up to 50 percent of the
    available ACMA balance at the start of each seasonal allotment period.
    i)
    If the Agency denies special access to the ACMA to any participating
    source, such source may petition the Board for review of the Agency’s
    denial in accordance with the procedures specified at 35 Ill. Adm. Code
    105.102.
    Section 205.720
    Emissions Excursion Compensation
    The Agency shall obtain emissions excursion compensation from any participating
    source or new participating source that does not hold ATUs in accordance with Section
    205.150(c) or (d) of this Part by the conclusion of the reconciliation period, unless the
    participating source or new participating source which had seasonal emissions for the
    1999 seasonal period but was not issued a CAAPP permit prior to January 1, 1999.
    The participating source or new participating source which had seasonal emissions for

    97
    the 1999 seasonal period but was not issued a CAAPP permit prior to January 1, 1999
    is required to obtain ATUs at a ratio of 1 to 1. For any emissions excursion during
    1999 by a participating or new participating source that was not issued a CAAPP
    permit before May 1, 1998, all references in Section 205.720(b)(1) and (3), (c) and (e)
    to 1.2 times the emissions excursion shall be 1.0 times the emissions excursion. The
    Agency shall obtain the emissions excursion compensation for all other participating
    sources or new participating sources pursuant to the following procedures.
    a)
    The Agency shall issue an Excursion Compensation Notice to any such
    source when an apparent emissions excursion is identified by the
    Agency.
    b)
    Except as provided in subsection (c) of this Section, the Excursion
    Compensation Notice shall require the source to provide compensation in
    the following manner:
    1)
    The participating source or new participating source shall
    purchase ATUs from the ACMA in an amount equivalent to 1.2
    times the emissions excursion;
    2)
    For the second consecutive seasonal allotment period in which an
    emissions excursion occurred, the participating source or new
    participating source shall purchase ATUs from the ACMA in an
    amount equivalent to 1.5 times the emissions excursion; or
    3)
    If the ACMA balance is not adequate to cover 1.2 times or, when
    required, 1.5 times the total emissions excursion amount, the
    Agency shall deduct ATUs equivalent to 1.2 times or, when
    required, 1.5 times the total emissions excursion or any
    remaining portion thereof from the source's next allotment of
    ATUs.
    c)
    Within 15 days afterof receipt of an Excursion Compensation Notice, the
    owner or operator of the subject source may apply to the Agency to
    request that ATUs in an amount equivalent to 1.2 times or, when
    required, 1.5 times the emissions excursion be deducted from the
    source's next seasonal allotment, rather than acquired from the ACMA.
    d)
    Any source issued an Excursion Compensation Notice may contest the
    Agency's findings by filing a petition with the Board requesting review
    of the Emissions Excursion Compensation Notice in accordance with the
    procedures specified in 35 Ill. Adm. Code 105.102.
    e)
    If any source contests the Agency's findings in the Excursion
    Compensation Notice, the Agency shall withhold ATUs in an amount

    98
    equivalent to 1.2 times or, when required, 1.5 times the amount of the
    alleged emissions excursion from the source's next seasonal allotment.
    These ATUs shall be withheld until the Board issues a final order
    resolving the source's petition contesting the Agency's Excursion
    Compensation Notice. If the source prevails before the Board, the
    ATUs withheld shall be transferred to the source's Transaction Account.
    If the Agency prevails before the Board, the ATUs withheld shall be
    retired to offset the emissions excursion.
    f)
    Sources that provide emissions excursion compensation pursuant to this
    Section Emissions Excursion Compensation shall not be subject to
    enforcement authority granted to the State or any person under
    applicable State or federalFederal laws or regulations or any permit
    conditions. The enforcement authority of the State or any person is only
    limited by this subsection as it applies to an emissions excursion.
    Section 205.730
    Excursion Reporting
    Upon issuance of each Excursion Compensation Notice to any source that has already
    had one previous admitted or adjudicated emissions excursion, the source shall submit
    to the Agency any additional reports required by the source’s permit pursuant to
    Section 39.5(7)(f) of the Act [415 ILCS5/39.5(7)(f)(1996)]. [415
    ILCS5/39.5(7)(f)(1996).]
    Section 205.740
    Enforcement Authority
    Except as provided in Section 205.720(f) of this Subpart, nothing in this Part limits the
    State's authority to seek penalties and injunctive relief for any violation of any
    applicable State law or regulation or any permit condition, as otherwise provided in the
    Act [415 ILCS 5/1]. Nothing in this Part limits the right of the federalFederal
    government or any person to directly enforce against actions or omissions which
    constitute violations of permits required by the Clean Air Act or applicable federal
    environmental laws and regulations.
    Section 205.750
    Emergency Conditions
    VOM emissions that are a consequence of an emergency, and are in excess of the
    technology-based emission rates which are achieved during normal operating
    conditions, to the extent that such excess emissions are not caused by improperly
    designed equipment, lack of preventative maintenance, careless or improper operation,
    or operation error, shall be deducted from the calculation of actual VOM emissions
    during the seasonal allotment period in which the emergency occurred, subject to the
    following:

    99
    a)
    The owner or operator of the participating source or new participating
    source shall submit an initial emergency conditions report to the Agency
    within two days afterof the time when such excess emissions occurred
    due to the emergency. The submittal of this initial emergency conditions
    report shall be sufficient to fulfill the notice requirements of Section
    39.5(7)(k) of the Act [415 ILCS 5/39.5(7)(k)] as it relates to VOM
    emissions at the source if the report provides a detailed description of the
    emergency, any steps taken to mitigate emissions and corrective actions
    taken, to the extent practicable. [415 ILCS 5/39.5(7)(k)(1996).] The
    final report shall contain the following information:
    1)
    A description of the cause(s) of the emergency and the duration
    of the episode;
    2)
    Verification that the source was being operated properly at the
    time of the emergency;
    3)
    A demonstration that the source took all reasonable steps to
    minimize excess VOM emissions during the emergency period,
    including but not limited to the following actions, if technically
    and economically feasible:
    A)
    The level of operation of the affected emission unit(s) was
    minimized;
    B)
    The level of emissions from the affected emission units(s)
    was minimized by use of alternative raw materials or
    alternative control measures;
    C)
    The duration of the excess emissions was minimized; and
    D)
    The amount of VOM emissions from other emission units
    at the source or other sources located in the Chicago
    ozone nonattainment area owned or operated by the
    person or entity were reduced;
    4)
    A demonstration that appropriate corrective action(s) were taken
    promptly;
    5)
    A demonstration that the affected emission units were:
    A)
    Being carefully and properly operated at the time of the
    emergency, including copies of appropriate records and
    other relevant evidence;

    100
    B)
    Properly designed; and
    C)
    Properly maintained with appropriate preventative
    maintenance; and
    6)
    An estimate of the amount of VOM emissions that occurred
    during the emergency in excess of the technology-based emission
    factor achieved during normal operating conditions, including
    supporting data, the relevant emissions factor, and calculations.
    b)
    The owner or operator of any such source may supplement its initial
    emergency conditions report within 10 days after the conclusion of the
    emergency situation.
    c)
    The Agency must approve, conditionally approve or reject the findings
    in the final emergency conditions report submitted by the source in
    writing within 30 days afterof receipt of a complete report, subject to the
    following:
    1)
    If the Agency concurs with the emergency conditions report, the
    source is not required to hold ATUs for the excess VOM
    emissions attributable to the emergency;
    2)
    If the Agency approves with conditions or rejects the emergency
    conditions report, the source shall be required to hold ATUs by
    the end of the reconciliation period in an amount not less than the
    emissions identified as excess in the emergency conditions report
    or provide emissions excursion compensation in accordance with
    Section 205.720 of this Part, if an emissions excursion occurred;
    3)
    If the Agency approves with conditions an emergency conditions
    report, the Agency must identify in its written notice the amount
    of VOM emissions that are not attributable to an emergency; and
    4)
    If the Agency approves with conditions or rejects a source’s
    emergency conditions report, the source may raise the emergency
    as an affirmative defense pursuant to Section 39.5(7)(k) of the
    Act [415 ILCS 5/39.5(7)(k)] in any action brought for
    noncompliance with this Part or an action brought to review the
    Agency’s issuance of an Excursion Compensation Notice, as
    provided in Section 205.720(d) of this Subpart.
    d)
    Nothing in this Section relieves any source of any obligation to comply
    with other applicable requirements, permit conditions, or other
    provisions addressing emergency situations.

    101
    Section 205.760
    Market System Review Procedures
    Beginning in 2000, the Agency shall prepare an Annual Performance Review Report
    that addresses the effect of VOM emissions reductions in the Chicago ozone
    nonattainment area on progress toward meeting the RFP requirements and achieving
    attainment of the NAAQS for ozone by 2007.
    a)
    The Annual Performance Review Report will review trends and patterns
    which may have emerged in the operation of the ERMS, and shall
    include, but not be limited to, the following:
    1)
    Total aggregate VOM emissions during the previous seasonal
    allotment period;
    2)
    The number of ATUs retired for compliance purposes or for air
    quality benefit, currently being banked, or used by new
    participating sources for the previous seasonal allotment period;
    3)
    An evaluation of trading activities, including sources with no
    trading activity, sources that are net purchasers of ATUs and
    sources that are net sellers of ATUs;
    4)
    ACMA transactions since the preparation of the previous report
    and the account balance;
    5)
    A summary of emissions reduction generator and inter-sector
    proposals;
    6)
    Distribution of transactions by geographic area or character of
    source;
    7)
    Availability of ATUs for purchase;
    8)
    The average market price for ATU transactions from the previous
    seasonal allotment period; and
    9)
    Trends and spatial distributions of hazardous air pollutants.
    b)
    The Agency shall prepare the Report by May 15 of the year following
    the seasonal allotment period addressed by the Report. The Agency will
    make copies of its Report available to interested parties upon request.
    IT IS SO ORDERED.

    102
    I, Dorothy M. Gunn, Clerk of the Illinois Pollution Control Board, hereby
    certify that the above opinion and order was adopted on the 2nd day of October 1997,
    by a vote of 7-0.
    Dorothy M. Gunn, Clerk
    Illinois Pollution Control Board

    ATTACHMENT 1
    Exhibits
    1.
    Figure 2
    NO
    X
    & VOC Disbenefit Effects
    2.
    Figure 3
    Ozone Concentrations Measured at Southern LMOS Boundary
    3.
    Figure 4
    VOC Reduction at Different Background Levels
    4.
    Table 1
    1970-2007 Chicago VOM Emissions Summary Tons
    Per Ozone Season Weekday (TPD)
     
    5.
    Figure 5
    OTAG Map Regional Oxidant Model (ROM) - Super Domain
    6.
    Table 2
    Summary of Attainment/ROP Scenario with ERMS Program @
    4% ’97 - ’99
     
    7.
    Figure 1
    1990 Chicago SIP Inventory Summary VOM Emissions
    8.
    Figure 2
    1990 Chicago ROP Inventory Summary VOM Emissions
    9.
    Table 1
    15% ROP Plan Breakdown
    10.
    Figure 3
    Chicago VOM Emissions: 1970-1996
    11.
    Figure 4
    Projected Chicago VOM Emissions: 1996-2007
    12.
    Table 2
    Chicago Area Source Category Summary
    13.
    Table 3
    Chicago Off-Road Mobile Category Summary
    14.
    Table 4
    Illinois VOM Reduction Program
    15.
    Figure 5
    1996-2007 VOM Emissions for Chicago
    16.
    Table 5
    Ozone Exceedances: 1988-1994
    17.
    Table 6
    VOM Sources in Chicago
    18.
    Table 7
    Analysis of ERMS Participating Sources
    19.
    Key Events in Development of SO2 Trading Program

    2
    20.
    Clean Air Act Amendments of 1990 Effect on Acid Deposition in North
    America
     
    21.
    Cost of SO2 Emission Control is Much Lower than Expected
     
    22.
    IEPA 1993 Pre-Feasibility Study for Ozone Precursor Trading
     
    23.
    Key Principles Shared by SO2 and ERMS Trading
     
    24.
    Reserved for Pg. 13 SO2 Emission from the Largest Sources but was not entered
    into the record.
     
    25.
    Reserved for Pg. 14 Regional Emission Trades but was not entered into the
    record.
     
    26.
    Pg. 15 Macroeconomic Impacts
     
    27.
    Pg. 16 Cost Changes if Trading is Restricted
     
    28.
    Pg. 18 Savings Through Trading
     
    29.
    Pg. 26 1994 Auction Results
     
    30.
    Pg. 27 SO2 Allowance Values
     
    31.
    Agency’s Errata #1 dated 2/3/97
    32(a)
    Chris Romaine Testimony 1/2/97
    32(b)
    Chris Romaine Testimony 1/9/97
    33.
    Donald Sutton Testimony dated 1/2/97
     
    34.
    David Kolaz Testimony dated 1/2/97
     
    35.
    Gale Newton Testimony dated 1/2/97
     
    36.
    Roger Kanerva Testimony dated 1/2/97
     
    37.
    Gary Beckstead dated 1/2/97
     
    38.
    Pg. 12 Acid Emissions
     
    39.
    Pg. 19 Utility Investments Decisions
     

    3
    40.
    Pg. 20 Over Allowance System
     
    41.
    Pg. 17 IV CAA
     
    42.
    Pg. 21 Key Components of System
     
    43.
    Pg. 22 Allowance System Compliance
     
    44.
    Pg. 23 Emission Monitoring
     
    45.
    Pg. 25 Allowance Auctions
     
    46.
    Testimony of Bill Compton dated 1/13/97
     
    47.
    Example for ACMA Access prepared by Roger Kanerva for ERMS Hearing
    dated February 3, 1997
     
    48.
    Testimony of Sarah Dunham dated January 2, 1997
     
    49.
    Overhead entitled “Application of California Standards” introduced 03/10/97
     
    50.
    Overhead entitled “Alternative Control Approaches” introduced 03/10/97
     
    51.
    Overhead entitled “Regional Economic Impacts of Alternative Control
    Approaches” introduced 03/10/97
     
    52.
    Overhead entitled “Two Ways in Which a Facility may Gain from Trading”
    introduced 03/10/97
     
    53.
    Overhead entitled “Example Rubber and Plastics Facility” introduced 03/10/97
     
    54.
    Overhead entitled “Example Organic Chemical Manufacturer” introduced
    03/10/97
     
    55.
    Overhead entitled “Group 1: Facilities with high control costs” introduced
    03/10/97
     
    56.
    Overhead entitled “Group 2: Facilities with low control costs” introduced
    03/10/97
     
    57.
    Overhead entitled “Regional Economic Impact of Trading Simulation”
    introduced 03/10/97
     
    58.
    Testimony of Dr. Case pre-filed on February 3, 1997
     

    4
    59.
    Testimony of Mr. Marder of Illinois Environmental Regulatory Group (IERG)
    (dated April 2, 1997) and Attachment A (dated April 9, 1995) pre-filed on April
    3, 1997
     
    60.
    IERG’s Proposed Language for Section 205.320(g) dated April 21, 1997
     
    61.
    Testimony of Mr. Starkey on behalf of IERG (dated April 2, 1997) pre-filed on
    April 3, 1997
     
    62.
    Testimony of Mr. Cobb on behalf of Jefferson Smurfit (dated April 4, 1997)
    pre-filed on April 4, 1997
     
    63.
    Testimony of Mr. Skalon for Allied Tube & Conduit Corporation on behalf of
    the Emission Reduction Market System (ERMS) Coalition and pre-filed on
    April 4, 1997
     
    64.
    Testimony of Mr. Fasano for White Cap, Inc. on behalf of ERMS Coalition
    pre-filed on April 4, 1997
     
    65.
    Testimony of Mr. Burke on behalf of the American Lung Association of
    Metropolitan Chicago pre-filed on April 4, 1997
     
    66.
    An additional page to the testimony of Mr. Burke on behalf of the American
    Lung Association of Metropolitan Chicago dated April 8, 1997
     
    67.
    Testimony of Mr. Svendsen for Chase Products Company on behalf of ERMS
    Coalition pre-filed on April 4, 1997
     
    68.
    Testimony of Mr. Raymond Sr. for Rayvac Plastics Decorators, Inc. on behalf
    of ERMS Coalition pre-filed on April 4, 1997
     
    69.
    Testimony of Mr. Deveikis for TC Industries, Inc. on behalf of ERMS
    Coalition pre-filed on April 4, 1997
     
    70.
    Testimony of Mr. Hultquist for Treasure Chest Advertising Company on behalf
    of ERMS Coalition pre-filed on April 4, 1997
     
    71.
    Testimony of Ms. Smith for TC Industries and Chase Products Company on
    behalf of ERMS Coalition pre-filed on April 4, 1997
     
    72.
    Testimony of Mr. Bharat Mathur dated August 8, 1997
     
    73.
    Testimony of Mr. Richard Forbes dated August 8, 1997
     
    74.
    Testimony of Mr. Christopher Romaine dated August 8, 1997

    5
     
    75.
    Testimony of Mr. Roger Kanerva dated August 8, 1997
     
    76.
    Testimony of Mr. Sidney Marder dated August 7, 1997
     
    77.
    Testimony of Mr. James Wakeman dated August 8, 1997
    78.
    Memorandum regarding “Future Nonroad Emission Reduction Credits for Court
    Ordered Nonroad Standards”

    6
    ATTACHMENT 2
    Public Comments Received
    PC 1
    Comments of the City of Chicago (City)
    PC 2
    Comments of Commonwealth Edison (CommEd)
    PC 3
    Testimony of Mr. Lionel Trepanier
    PC 4
    Comments of Dart Container Corporation (Dart)
    PC 5
    Comments of Waste Management of Illinois, Inc. (WMI)
    PC 6
    Comments of the Chemical Industry Council of Illinois
    (CICI)
    PC 7
    Comments of Tenneco Plastics Company (Tenneco)
    PC 8
    Comments of National Solid Waste Management
    Association (NSWMA)
    PC 9
    Comments of the Illinois Environmental Regulatory
    Group (IERG)
    PC 10
    Comments of the ERMS Coalition (Coalition)
    PC 11
    Comments of Sun Chemical Company (Sun Chemical)
    PC 12
    Comments of Minnesota Mining and Manufacturing
    Company (3M)
    PC 13
    Comments of the United States Environmental Protection
    Agency (USEPA)
    PC 14
    Comments of the Illinois Environmental Protection
    Agency (IEPA)
    PC 15
    Comments of the Illinois Steel Group (Steel Group)
    PC 16
    Comments of Mr. Lionel Trepanier
    PC 17
    Comments of IEPA
    PC 18
    Comments of WMI
    PC 19
    Comments of USEPA
    PC 20
    Post-Hearing Comments of IERG
    PC 21
    Supplemental Comments of Sun Chemical
    PC 22
    Comments of the ERMS Coalition
    PC 23
    Comments of Jefferson Smurfit Company (JSC)
    PC 24
    Comments of Zenith Electronics Company and Henri
    Studio, Inc.
    PC 25
    Comments of Tenneco Plastics Company
    PC 26
    Comments of the City of Chicago
    PC 27
    Comments of IEPA
    PC 28
    Comments of Amoco Oil Company
    PC 29
    Comments of USEPA
    PC 30
    Comments of the American Lung Association of
    Metropolitan Chicago
    PC 31
    Comments of the American Bakers Association
    PC 32
    Reply Comments of Dart Container Corporation
    PC 33
    Reply Comments of Sun Chemical

    7
    PC 34
    Reply Comments of JSC
    PC 35
    Reply Comments of IEPA

    8
    ATTACHMENT 3
    Abbreviations and Acronyms Used in this Second Notice Opinion and Order
    Act
    Illinois Environmental Protection Act
    AER
    Annual Emissions Report
    AIRS
    USEPA AIRS Facility Database
    ALAMC
    American Lung Association of Metropolitan Chicago
    ATU
    Allotment Trading Unit
    Bakers
    American Bakers Association
    BACT
    Best Available Control Technology
    BAT
    Best Available Technology
    Board
    Illinois Pollution Control Board
    CAA
    `
    Clean Air Act
    CAAPP
    Clean Air Act Permit Program
    CFR
    Code of Federal Regulations
    Coalition
    ERMS Coalition
    Dart
    Dart Container Corporation
    ERMS
    Emissions Reduction Market System
    Exh.
    Exhibit
    Fed. Reg.
    Federal Register
    IEPA
    Illinois Environmental Protection Agency
    IERG
    Illinois Environmental Regulatory Group
    ILCS
    Illinois Consolidated Statutes
    JCAR
    Joint Committee on Administrative Rules
    JSC
    Jefferson Smurfit Corporation
    LAER
    Lowest Achievable Emissions Rate
    MACT
    Maximum Achievable Control Technology
    NAAQS
    National Ambient Air Quality Standards
    NESHAP
    National Emissions Standards for Hazardous Air Pollutants
    NO
    x
    Nitrous Oxides
    NSR
    New Source Review
    OTAG
    Ozone Transport Assessment Group
    PC
    Public Comment
    PSD
    Prevention of Significant Deterioration
    RACT
    Reasonably Available Control Technology
    RFP
    Reasonable Further Progress
    ROP
    Rate of Progress
    SIP
    State Implementation Plan
    SO
    2
    Sulfur dioxide
    Tenneco
    Tenneco Plastics Company
    TPD
    Tons per day
    TPS
    Tons per season
    TPY
    Tons per year
    U.S.C.
    United States Code

    9
    USEPA
    United States Environmental Protection Agency
    VOM
    Volatile Organic Material
    WMI
    Waste Management Inc. of Illinois
    Zenith
    Zenith Electronics Corporation

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