EPA, Denka Spar Over Chloroprene IRIS Value In Air Enforcement Suit

May 22, 2023
EPA and Denka Performance Elastomer are sparring over whether a federal court can consider the agency’s years-old adoption of an Integrated Risk Information System (IRIS) inhalation exposure limit for chloroprene as part of the agency’s air act emergency enforcement action that seeks to force immediate reductions at the company’s LaPlace, LA, neoprene plant. The litigation, United States v. Denka Performance Elastomer LLC and Dupont Specialty Products USA, LLC ., pending in the U.S. District Court for the Eastern District of...


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