Re:ErOpbSed amendments to dissolved oxygen standard (R04-25) ~yjy032004Dorothy Gunn, Clerk STATE OF ~LL~NO~Illinois Pollution Control Board Pollution Contro’ Boarr~fames 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 ~chanze1made the following comments on behalf of the Illinois Chapter of the American Fisheries Society
regarding the propos...
Allowed
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