CLERK’S OFFICEOCT 28 2004Re: Proposed amendments to dissolved oxygen standard (R04-25) STATE OF ILLINOISDorothy Gunn, Clerk Pollution Control BoardIllinois Pollution Control BoardJames R.
Thompson Center I
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 madethe following comments on behalf of the illinois Chapterof the American Fisheries ...
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