NOV 08 2004Re: Proposed amendments to dissolved oxygen standard (R04-25) STATE OF ILLINOISDorothy.G~inn,Clerk Pollution Controt BoaroIllinois rollution Control BoardJames RThompson Center100 W~~R4dolphSt.
In 2002, theFox River was categorized as impaired by the Illinois Environmental Protection Agency.
Freshwater mussels and other aquatic macroinvertebrates are also
negatively affected by low dissolved oxygen.
In February 2004, over 150,000 residents in Aurora were recommended to boil their.
Sincerely,
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