June 19, 2008IN THE MATTER OF:TRIENNIAL REVIEW OF SULFATE ANDTOTAL DISSOLVED SOLIDS WATERQUALITY STANDARDS:PROPOSED AMENDMENTS TO 35 ILL.
Those changes included
the addition of language reflecting current IEPA practice to the rules on mixing zones and theamendment of mixing zone regulations to allow mixing in certain small streams when adequatedilution is not available.
On November 16, 2006, the Board accepted the rulemaking for
hearing.
The proposed rule
was published in the Illinois Register on October 5, 2007 (31 Ill.
Finally, the proposal deleted the provisions addressing separate sulfate and
chloride water quality standards for disch...
Allowed
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