ILLI!TOIS POLLUTION CONTROL BOARD
    July
    21,
    1982
    OAK GROVE MOBILE HOME PARK,
    )
    )
    Petitioner,
    V.
    )
    PCB 81—148
    ILLINOIS ENVIRONMENTAL PROTECTION AGENCY
    )
    AND THE VILLAGE OF MILAN,
    )
    )
    Respondents.
    ORDER OF THE BOARD
    (by J.
    Anderson):
    On July
    6,
    1982,
    the Agency and Oak Grove filed a Procedural
    Rule 334 Joint Motion for Modification
    of the Board’s Opinion and
    Order of February 17,
    1982,
    as it relates to variance from the
    ammonia nitrogen standard.
    The motion recites that on June
    3,
    1982 the parties first became aware of the fact that the ammonia
    nitrogen values contained
    in the pleadings
    in this case were
    incorrect,
    values
    for pH having been reported instead through
    clerical error.
    The motion states that Oak Grove’s actual ammonia nitrogen
    discharges between July,
    1980 and May,
    1982 have ranged from 2.2
    ~ng/lto 34.0 mg/i, averaging 19.56 mg/i.
    Oak Grove had originally
    requested a
    20.0 mg/i limit, but the Board’s variance order had
    imposed an 8.0 mg/i limit,
    as recommended by the Agency, based on
    the erroneously reported values.
    The parties request that the
    Board’s Order be amended to set a 20.0 limit.
    An additional request has been made
    to add a condition
    requiring influent monitoring of BOD,
    TSS and ammonia nitrogen
    by grab samples,
    with results to be reported on Oak Grove’s
    Discharge Monitoring Report.
    No reason is given for inclusion
    of this condition.
    Since grant of the original variance, old Rule 203(f)
    of
    Chapter
    3 has been amended, and the Chapter itself codified.
    The
    successor rule,
    Section 302.212 of Ill. Mm.
    Code,
    Title 35,
    Subtitle
    C, Chapter
    1,
    sets an upper limit of 15 mg/i for ammonia
    nitrogen and establishes
    an un—ionized ammonia standard of 0.04
    mg/i
    (R81—23,
    July
    21, 1932).
    The motion does not address the dual standard contained in
    this new rule, and also does not address the environmental impact
    of the requested revisions.
    As the original Recommendation states
    47-415
    2
    that the requested 20.0 total ammonia limit “probably would have
    little effect on the receiving streams,
    except possibly
    in the
    unnamed ditch”, while also stating that ammonia nitrogen at this
    level would at times be toxic to fish, the Board declines to grant
    the joint motion based on the sketchy information before it.
    The parties are, however, granted leave to supplement the
    record concerning the ammonia nitrogen request, and concerning
    the influent monitoring condition.
    Such supplements shall be
    filed
    on or before August 16,
    1982.
    IT
    IS SO ORDERED.
    I, Christan L.
    Moffett,
    Clerk of the Illinois Pollution
    Control Board, hereby certify that the above Order was
    adopted
    on the
    4/.~2t’~
    day of
    ____
    ___________,
    1982 by a vote of
    ~
    ~
    ii.
    Christan L. Moffett,~lerk
    Illinois Pollution Control Board
    47-416

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