Chicago, Illinois 60601(312) 814-3620(312) 814-6032 TDD Illinois Pollution Control Board1021 North Grand Avenue EastP.O. Box 19274Springfield, Illinois 62794-9274(217) 524-8500Web Site: http://www.ipcb.state.il.us Letter from the ChairmanDuring May, the Board continued to progress on a number of open rulemaking dockets. R08-9 Water Quality Standards and Effluent Limitations for the Chicago AreaWaterway System and the Lower Des Plaines River: Pr...
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