Today, on behalf of the U.S. Environmental Protection Agency (EPA) and in coordination with the U.S. Attorney’s Office for the Eastern District of Louisiana, the U.S. Department of Justice filed a complaint under Section 303 of the Clean Air Act against Denka Performance Elastomer LLC (Denka) to compel Denka to significantly reduce hazardous chloroprene emissions from its neoprene manufacturing facility in LaPlace, Louisiana.