Re: Proposed amendments to dissolved oxygen standard (R04-25) STATE OF ILLINO!~Pollution Controi BoardDorothy 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 and past scientific studies do not
support alower standard. At extremely low oxygen levels, fish kills result. Robert Schanzel made the following comments on behalf of the Illinois Chapter of the American Fisheries Societyregarding the proposal: “The Illinois Chapter of the American Fisheries Society does not support rel...
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