Re: Proposed amendments to dissolved oxygen standard (R04-25)
Dorothy Gunn, ClerkIllinois Pollution Control BoardLrnes R.
Thompson Center
100 W.
Randolph St.
The current Illinois standard for
dissolved cxygen follows U.S.
Envir~ ~lProtection Agency guidelines and past scientific studies do not
support a lower standard.
One of the
~xygen. The effects of low dissolved oxygen in rivers such aslevels, fish kills result. In February 2004, over 150,000 residents in Aurora were recommended to boil their water. RECE~V~CLERK’S OFFICENOV 012004STATE OF ILLINQi~ ~ Con~r~Board ‘1 i~7O/f2~ //~-6O/~Z_—Dorothy Gunn, ClerkIllinois Pollution Control BoardJames R. Tho...
Allowed
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