CLERK’S OF~~iCEBEFORE THE ILLINOIS POLLUTION CONTROL BOARDAUG 2 2004STATE OF lLLh’!O~SIN THE MATTER OF: ) Pollution Contro’ board ) PROPOSED AMENDMENTS TO ) R 04-25DISSOLVED OXYGEN STANDARD ) 35 Iii.
The
Illinois Association ofWastewaterAgencies asked Dr.
Matt Whiles and me to assess the
current Illinois state dissolved oxygen standard which requires that at no time shallconcentrations decline below 5 mgIL and for at least 16 hours each day they must remainabove 6 mg/L.
In our report, we concluded that ...
Allowed
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