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Board Adopts “Identical-in-Substance” Amendments to Wastewater Pretreatment Rules
On May 12, 2022, the Board adopted amendments to keep Illinois’ wastewater pretreatment rules identical in substance to their federal counterpart. The amendments reflect action taken by the United States Environmental Protection Agency (USEPA) during the first half of 2021. Specifically, USEPA updated the analytical methods used to demonstrate compliance with requirements under the Clean Water Act. Folding USEPA’s action into the Illinois rules required updating the Board’s incorporation by reference of USEPA rules.
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Monday, May 23, 2022 10:39:24 AM CDT
Monday, May 23, 2022 10:41:39 AM CDT
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NewsBlurbR22-7May12.2022.pdf
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