CLERK’S OFF~CFOCT 28 2004STATE OF ILLINOft~Re: Proposed amendments to dissolved oxygen standard (R04-25) Po)Iution Contro) Boarc~Dorothy Gunn, ClerkIllinois Pollution Control BoardJames R.
Thompson Center
100 W.
Randolph St.
The current Illinois standard for
dissolved oxygen follows U.S.
Environmental Protection Agency guidelines andpast scientific studies do not
support a lower standard.
At extremely low oxygen levels, fish kills result. Robert Schanzel made the following comments on behalf of the Illinois Chapterof the American Fisheries Society
regarding the proposal: “The Illinois Chapter of the American Fisheries Society does not sup...
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