ILLINOIS POLLUTION CONTROL BOARD
    November 1,
    1979
    IN THE MATTER OF:
    )
    EMISSIONS OF CARBON MONOXIDE
    )
    R78—1
    FROM STEEL MILLS
    OPINION AND ORDER OF
    THE BOARD
    (by Mr. Dumelle):
    On October
    18,
    1979 the Agency asked the Board to
    refrain
    from taking final action in this matter until Petitioners
    had supplied the Board with dispersion models consistent
    with USEPA guidelines.
    The Agency felt that the Board
    should not reach a decision which could not be approved as
    a
    revision to the Illinois Implementation Plan by the Federal
    government.
    On October 23, 1979 Interlake,
    Inc., US Steel Corporation,
    and WSC Corporation
    (Chicago Petitioners)
    responded by
    stating that the Agency was not raising any issue which had
    not already been reviewed by the Board.
    Chicago Petitioners
    felt that USEPA would approve the Board’s decision to delete
    Rule 206(d) based on the present record.
    In the event that
    additional modelling is necessary,
    Chicago Petitioners are
    already prepared
    to supply it to USEPA.
    The Board remains convinced that Rule 206(d)
    should be
    deleted.
    All
    of the Petitioners’
    modelling results were
    evaluated in the Board’s Proposed Opinion dated September
    20,
    1979.
    The Agency has not presented any new information
    to dissuade the Board.
    If additional
    documentation is
    needed for Federal approval, the Board is confident that
    Petitioners will supply it.
    The Board hereby adopts its Proposed Opinion and this
    Opinion as
    its Opinion
    in this proceeding.
    ORDER
    Rule 206(d)
    of the Air Pollution Control
    Regulations is
    hereby deleted.
    IT
    IS SO ORDERED.
    I, Christan L.
    Moffett, Clerk of the Illinois Pollution
    Control
    Board, hereby ceTti1~the above Opinio
    and Ord r
    were adopted on the
    ___________________
    day of
    __________________
    l979byavoteof
    (-1-0
    ~4~zt~
    Christan
    L.
    Moffett, Cl4kU
    Illinois Pollution Control Board
    36—59

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