IN THE MATTER OF:WATER QUALITY STANDARDS ANDEFFLUENT LIMITATIONS FOR THECHICAGO AREA WATERWAYS SYSTEMAND THE LOWER DES PLAINES RIVER:PROPOSED AMENDMENTS TO 35 Ill.
3.
In USEPA’s Comments on the October 2007 Version of Proposed Water Quality
Standards Revisions for the Chicago Area Waterway and Lower Des Plaines River (PC #286),USEPA requested that IEPA include additional analysis showing that the proposed periodaverage thermal criteria are protective of existing and designated aquatic life uses.
5.
In USEPA’s Comments on the October 2007 proposal (PC #286), USEPA expressed
concern that using the MWRD effluent temperatures to es...
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