CLERK’S OFFICEOCT 27 2004Re: Proposed amendments to dissolved oxygen standard (R04-25) ‘~‘~ ~.2~~M~troIBOardEO~ILUNOISDorothy Gunn, ClerkIllinois Pollution Control BoardJames R.
Thompson Center
100W.
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 of the Illinois Chapter of the American Fisheries Society
regarding the proposal: “The Illinois Chapter of the American Fisheries Society does not support relaxing illinois’...
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