ILLINOIS POLLUTION CONTROL BOARD
    October 19,
    1978
    IN
    THE
    MATTER
    OF:
    )
    )
    THE
    PETITION OF MONSANTO
    )
    R76-17
    COMPANY FOR A REVISION
    )
    OF THE MERCURY
    SEWER
    )
    DISCHARGE STANDARD.
    )
    OPINION
    AND
    ORDER OF
    THE
    BOARD
    (by Mr. Dumelle):
    Only one comment was received on the Board’s Proposed
    Opinion and Order dated August
    3,
    1978.
    That comment was sub-
    mitted by the Chief of the Environmental Control Division of the
    Attorney General’s Office.
    He objected to the fact that the
    Monsanto Company was mentioned by name in the proposed amendment
    to Rule 702 of Chapter
    3:
    Water Pollution.
    The objection is
    well taken.
    The Board does not intend to adopt specific standards
    for specific corporations.
    Rather, the Board
    is acknowledging
    the fact that specific industries have water pollution problems
    which are peculiar to their industrial category.
    When these
    problems are viewed in conjunction with the nature of the
    receiving stream
    (in this case, the Mississippi River)
    a valid
    site specific standard can be fashioned.
    The language of the
    new Rule 702(f)
    has been adjusted to reflect this principle.
    The Board hereby adopts its Proposed Opinion dated
    August
    3,
    1978 and this Opinion as its Opinion in this pro-
    ceeding.
    ORDER
    It is the Order of the Pollution Control Board that Rule
    702 of Chapter
    3:
    Water Pollution of the Board’s Rules and
    Regulations be amended by the addition of a new subsection
    (f)
    which shall read as follows:
    (f)
    The mercury discharge standards of Rules 408(a)
    and 702(a)
    shall not apply to any manufacturing facility
    which operates chior—alkali cells,
    is located in St. Clair
    County and discharges directly, or indirectly into the
    Mississippi River; or to any publicly owned treatment
    works which receives such a manufacturing facility’s
    wastewater.
    The amount of mercury discharged by any such
    manufacturing facility shall not exceed an average of
    0.25 pounds per day during any calendar month and a
    maximum of
    0.5
    pounds during any one day.
    Any
    publicly
    ~1—7U
    —2—
    owned treatment works which,
    directly, or indirectly,
    receives such a manufacturing facility’.s wastewater shall
    be entitled to discharge mercury in excess of the levels
    provided in Rule 408(a)
    to the extent that said discharge
    exceeds those levels because of such a manufacturing
    facility’ s discharge.
    I, Christan L:~Moffett,Clerk of the Illinois Pollution
    Control Board, hereby certifv-~theabove Opinion
    nd Order were
    adopted on the
    /‘7~
    _______
    day of
    __________________
    1978 by
    a vote of _______________________
    Christan L. Mo
    ,
    Clerk
    Illinois Pollut on Control Board
    31—714

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