OCT 2 92004STATE OF iLL~N0~Re: Proposed amendments to dissolved oxygen Pollution Contro’ BoarcjDorothy 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 a lower standard.
At extremely low oxygen levels, fish kills result. Robert Schanzel made the following comments on behalf ofthe Illinois Chapter of the American Fisheries Society
regarding the proposal: “The Illinois Chapter of the American Fisheries Society does not support relaxing Il...
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