On September 30, 2021, the U.S. Department of Justice (DOJ), on behalf of the U.S. Environmental Protection Agency (EPA), and the Louisiana Department of Environmental Quality (LDEQ) lodged a consent decree to resolve claims against Firestone Polymers, LLC (Firestone) for violating federal and state requirements during the production of styrene-butadiene rubber and polybutadiene rubber at its Lake Charles synthetic rubber manufacturing facility located in Calcasieu Parish, south of Sulphur, Louisiana (Facility). The consent decree requires injunctive relief and civil penalties for violations of (1) the Clean Air Act (NESHAPs and 112(r)), its implementing regulations, and the delegated Louisiana program, (2) CERCLA requirements, (3) EPCRA requirements, (4) Pollution Prevention Act requirements, and (5) the Louisiana state air pollution control requirements governed by the Louisiana Environmental Quality Act and implementing regulations. The decree provides for payment of a total civil penalty of $3,350,000, ($2,098,678.50 payable to U.S. and $1,251,321.50 to Louisiana) and performance of injunctive relief that includes installation of instrumentation and monitoring systems on flares to achieve 98% combustion efficiency, and operational requirements for recently installed pollution control equipment to minimize emissions. The decree provides for the performance of a mitigation project to sample, repair, inspect, and replace leaking heat exchangers, and payment of $654,000 for a