BEFORE THE ILLINOIS POLLUTION CONTROL BOA~WRK’SOFFICEIN THE MATTER OF: ) STATEAPROF192004ILLINOiSPROPOSED AMENDMENTS TO ) R 04- ~ Pollution Control BoardDISSOLVED OXYGEN STANDARD ) 35 Iii.
The NCD is intended to provide
guidance to States and Tribes authorized to establish water quality standards under the CleanWater Act (“CWA”).
The Proposed Rule is attached as Exhibit 1.
IAWA has also undertaken a recent study and review ofscientific literature, which was
performed by Dr.
during at
least 16 hours of any 24 hour period, nor less than 5.0 mgI! The mean minimum is defin...
Allowed
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