ILLINOIS POLLUTION CONTROL BOARD
    March 16, 2000
    IN THE MATTER OF:
    PETITION OF COMMONWEALTH
    EDISON COMPANY FOR AN ADJUSTED
    STANDARD FROM 35 ILL. ADM. CODE
    302.211(d) AND (e)
    )
    )
    )
    )
    )
    )
    AS 96-10
    (Adjusted Standard - Water)
    OPINION AND ORDER OF THE BOARD (by E.Z. Kezelis):
    This matter is before the Board on a February 25, 2000 motion (motion)
    1
    by Commonwealth
    Edison Company (ComEd) and Midwest Generation, LLC (Midwest), to reopen this docket, AS 96-
    10, and substitute Midwest as the petitioner and holder of the adjusted standard. Both ComEd and
    Midwest have waived hearing in the matter.
    On March 9, 2000, the Illinois Environmental Protection Agency (Agency) filed a response to
    the motion. In its response, the Agency states that it does not dispute any of the factual allegations set
    forth in the motion and that it concurs with the request by ComEd and Midwest to reopen the docket
    and substitute Midwest as the petitioner and holder of the adjusted standard.
    BACKGROUND
    The Board granted ComEd an adjusted standard from 35 Ill. Adm. Code 302.211(d) and (e) in
    an order dated October 3, 1996.
    In re
    Petition of Commonwealth Edison Company for an Adjusted
    Thermal Standard from 35 Ill. Adm. Code 302.211(d) and (e) (October 3, 1996), AS 96-10. The
    October 3, 1996 order granted ComEd an adjusted standard from the thermal standards for discharges
    of cooling water from ComEd’s generating stations located in Joliet, Will County, Crawford, and Fisk
    (Generating Stations). In its motion, ComEd states that, in response to the October 3, 1996 adjusted
    standard, the Agency issued revised National Pollutant Discharge Elimination System (NPDES) permits
    to each of these Generating Stations, and that these permits remain in full force and affect. Mot. at 3.
    Pursuant to the Electric Service Customer Choice and Rate Relief Law (220 ILCS 5/16-101
    et
    seq
    . (1998)), ComEd agreed, in March 1999, to sell the Generating Stations to Edison Mission Energy,
    an indirect, wholly owned subsidiary of Edison International that specializes in the development,
    acquisition, construction, management, and operation of global power production facilities. Mot. at 3-4.
    Edison Mission Energy in turn, assigned all of its rights under the purchase agreement with ComEd to
    Midwest. Mot. at 4-5. Midwest is a limited liability company that is indirectly owned by Edison
    Mission Energy. Mot. at 5. On December 15, 1999, title to the Generating Stations was transferred to
    1
    Citations to the motion will be referred to as “Mot. at __.”

    2
    Midwest.
    Id
    . As a result, Midwest has assumed all rights and obligations associated with the operation
    of the Generating Stations.
    Id
    .
    ComEd and Midwest state in their motion that the operations of the Generating Stations will not
    change as a result of the title transfer. Mot. at 5. The Generating Stations will continue to produce
    electricity through the use of coal-fired boilers.
    Id
    . Midwest has retained almost the entire workforce
    previously employed by ComEd, including a senior biologist who has been and remains primarily
    responsible for developing and implementing the model used by ComEd to ensure compliance with the
    adjusted thermal standards set by the Board in its October 3, 1996 order. Mot. at 6.
    DISCUSSION
    The Board’s authority for granting alternate thermal standards is found both in the Clean Water
    Act (CWA) (33 U.S.C. 1326(a)) and in 35 Ill. Adm. Code 304.141(c), that provides:
    The standards of this chapter shall apply to thermal discharges unless, after public notice
    and opportunity for hearing, in accordance with Section 316 of the CWA and
    applicable federal regulations, the Administrator and the Board has determined that
    different standards shall apply to a particular thermal discharge. 35 Ill. Adm. Code
    304.141(c).
    Likewise, Section 28.1 of the Environmental Protection Act (Act) (415 ILCS 5/28.1 (1998))
    establishes the level of justification required for the Board to grant an adjusted standard. Section
    28.1(c) provides:
    (c)
    If a regulation of general applicability does not specify a level of justification
    required of a petitioner to qualify for an adjusted standard, the Board may grant
    individual adjusted standards whenever the Board determines, upon adequate
    proof by
    petitioner, that:
    (1)
    factors relating to that petitioner are substantially and significantly
    different from the factors relied upon by the Board in adopting the
    general regulation applicable to that petitioner;
    (2)
    the existence of those factors justifies an adjusted standard;
    (3)
    the requested standard will not result in environmental or health effects
    substantially and significantly more adverse than the effects considered
    by the Board in adopting the rule of general applicability; and
    (4)
    the adjusted standard is consistent with any applicable federal law. 415
    ILCS 5/28.1(c) (1998).

    3
    ComEd sought and, after providing sufficient justification, obtained an adjusted standard from
    the temperature standards of 35 Ill. Adm. Code 302.211(d) and (e), which provide:
    Section 302.211
    Temperature
    * * *
    d.
    The maximum temperature rise above natural temperatures shall not exceed
    2.8
    o
    C (5
    o
    F).
    e.
    In addition, the water temperature at representative locations in the main river
    shall not exceed the maximum limits in the following table during more than one
    percent of the hours in the 12-month period ending with any month. Moreover,
    at no time shall the water temperature at such locations exceed the maximum
    limits in the following table by more than 1.7
    o
    C (3
    o
    F).
     
     
      
    o
    C
      
    o
    F
      
      
    o
    C
      
    o
    F
     
      
      
      
      
      
     
    JAN.
      
    16
      
    60
      
    JUL.
      
    32
      
    90
     
    FEB.
      
    16
      
    60
      
    AUG.
      
    32
      
    90
     
    MAR.
      
    16
      
    60
      
    SEPT.
      
    32
      
    90
     
    APR.
      
    32
      
    90
      
    OCT.
      
    32
      
    90
     
    MAY
      
    32
      
    90
      
    NOV.
      
    32
      
    90
     
    JUNE
      
    32
      
    90
      
    DEC.
      
    16
      
    60
    In the Board’s October 3, 1996 order, ComEd was granted the following alternate thermal
    standards for discharges from the Generating Stations:
     
      
    o
    F
      
      
    o
    F
     
      
      
      
     
    JAN.
      
    60
      
    JUNE 16-30
      
    91
     
    FEB.
      
    60
      
    JULY
      
    91
     
    MAR.
      
    65
      
    AUG.
      
    91
     
    APR. 1-15
      
    73
      
    SEPT.
      
    90
     
    APR. 16-30
      
    80
      
    OCT.
      
    85
     
    MAY 1-15
      
    85
      
    NOV.
      
    75
     
    MAY 16-31
      
    90
      
    DEC.
      
    65
     
    JUNE 1-15
      
    90
      
      
    See
    In re
    Petition of Commonwealth Edison Company for an Adjusted Thermal Standard from 35 Ill.
    Adm. Code 302.211(d) and (e) (October 3, 1996), AS 96-10, slip op. at 7.

    4
    In the motion presently before the Board, ComEd and Midwest maintain that the relevant
    factors that justified the grant of alternative thermal standards in 1996, are not affected by the transfer of
    the facility today. Mot. at 7. Specifically, the petitioners assert that the factors justifying the adjusted
    standard involved not the identity of the discharger, but rather “the nature of the discharge and the
    conditions in the receiving waterway, in particular, the lack of impact that the adjusted standards would
    have on the ecosystem of the receiving waterway . . . .” Mot. at 7-8. A change in ownership of the
    Generating Stations should not impact these factors at all. Mot. at 8.
    Neither the Act nor the Board’s procedural rules address the specific type of relief being sought
    by these petitioners. However, ComEd and Midwest identified a previous situation in which the Board
    granted similar relief. See
    In re
    Petition of Envirite Corporation for an Adjusted Standard from 35 Ill.
    Adm. Code 721 Subpart D: List of Hazardous Substances, Appendix I (November 7, 1996), AS 94-
    10. In the Envirite proceeding, Envirite was originally granted an adjusted standard from the listing of a
    particular waste from the lists in 35 Ill. Adm. Code 721.Subpart D. At some point after the adjusted
    standard was granted to Envirite Corporation, ownership and operation of the facility at issue was
    transferred to Envirite of IL, Inc. Both Envirite Corporation and Envirite of IL, Inc. petitioned the
    Board to reopen the adjusted standard docket and substitute the named petitioner. The basic factor in
    support of the Board’s decision to grant the Envirite motion was the fact that the relevant factors
    required to justify the Board’s original decision to grant an adjusted standard had not changed. See
    In
    re
    Petition of Envirite Corporation for an Adjusted Standard from 35 Ill. Adm. Code 721 Subpart D:
    List of Hazardous Substances, Appendix I (November 7, 1996), AS 94-10.
    ComEd and Midwest urge the Board to apply similar reasoning in this case. As previously
    stated, the Agency concurs in this request and, in fact, has already transferred NPDES permits for these
    Generating Stations to Midwest. Mot. at 5.
    CONCLUSION
    Based upon the assurances of ComEd and Midwest that the management and operation of the
    Generating Stations will continue unchanged, and upon the Board’s previous findings of justification in its
    October 3, 1996 order, the Board will officially reopen this docket and substitute the name of Midwest
    Generation, LLC, for Commonwealth Edison Company in its October 3, 1996 order.

    5
    ORDER
    1.
    The Board hereby amends its October 3, 1996 order in this matter, and grants to
    Midwest Generation, LLC an adjusted standard from 35 Ill. Adm. Code 302.211(d)
    and (e) for the Joliet, Will County, Crawford, and Fisk generating stations.
     
    2.
    The alternate thermal standards shall apply at the I-55 Bridge as limitations for
    discharges from the above listed generating stations.
     
    3.
    In lieu of the requirements of 35 Ill. Adm. Code 302.211(d) and (e), the following
    standards will apply:
     
      
    o
    F
      
      
    o
    F
     
      
      
      
     
    JAN.
      
    60
      
    JUNE 16-30
      
    91
     
    FEB.
      
    60
      
    JULY
      
    91
     
    MAR.
      
    65
      
    AUG.
      
    91
     
    APR. 1-15
      
    73
      
    SEPT.
      
    90
     
    APR. 16-30
      
    80
      
    OCT.
      
    85
     
    MAY 1-15
      
    85
      
    NOV.
      
    75
     
    MAY 16-31
      
    90
      
    DEC.
      
    65
     
    JUNE 1-15
      
    90
      
      
    4.
    The standards may be exceeded by no more than 3 degrees Fahrenheit during 2% of
    the hours in the 12-month period ending December 31, except at no time shall
    Midwest’s generating stations cause the water temperature at the I-55 Bridge to exceed
    93 degrees Fahrenheit.
     
    5.
    Midwest’s generating stations continue to be subject to the Secondary Contact
    Standards at the point of discharge.
    IT IS SO ORDERED.
    Section 41 of the Environmental Protection Act (415 ILCS 5/41 (1998)) provides for the
    appeal of final Board orders to the Illinois Appellate Court within 35 days of the date of service of this
    order. Illinois Supreme Court Rule 335 establishes such filing requirements. See 172 Ill. 2d R. 335;
    see also 35 Ill. Adm. Code 101.246, Motions for Reconsideration.

    6
    I, Dorothy M. Gunn, Clerk of the Illinois Pollution Control Board, hereby certify that the above
    opinion and order was adopted on the 16th day of March, 2000 by a vote of 5-0.
    Dorothy M. Gunn, Clerk
    Illinois Pollution Control Board

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