IN
    THE MATTER
    OF
    TOTAL DISSOLVED SOLIDS
    EFFLUENT
    STANDARD
    R75—6
    ILLINOIS POLLUTION CONTROL BOARD
    March
    3, 1977
    ORDER OF THE BOARD
    (by Mr. Dumelle):
    Rule 408(b)
    of
    Chapter
    3, Water Pollution Regulations
    is hereby amended to read:
    408(b)
    Total Dissolved Solids
    (STORET Number 00515)
    shall not be increased more than 750 mg/i above
    background concentration levels unless caused by
    recycling or other pollution abatement practices,
    and
    in no event shall exceed 3500 mg/i at any time;
    provided, however,
    this Rule shall not apply to any
    effluent discharging to the Mississippi River, which,
    after mixing as set forth in Rule 201, meets the applicable
    water quality standard for Total Dissolved Solids.
    IT
    IS SO ORDERED.
    I, Christan L. Moffett, Clerk of the Illinois Poiiutior~Control
    Board, hereby certify the above Order was adopted on the
    3’~
    day
    of March,
    1977 by a vote of
    ~
    .
    Christan L.
    Moffi
    Illinois Pollul
    25
    —
    77

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