Re: Proposed amendments to dissolved oxygen standard (R04-25)
RECE~VEDDorothy Gunn, Clerk CLERK’S OFFICEIllinois Pollution Control BoardJames R.
Thompson Center NOV 032004
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 of the Illinois Chapter of the American Fisheries Society
regarding the proposal: “The Illinois Cha...
Allowed
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