Packaging Corporation of America (PCA), headquartered in Illinois, has agreed to pay $2.5 million in civil penalties to resolve allegations that it violated the Clean Air Act General Duty Clause and Risk Management Program Regulations at its containerboard production mill in DeRidder, Louisiana. EPA identified nine Clean Air Act violations that stem in part from a fatal explosion and accidental release at the DeRidder mill on February 8, 2017.This enforcement action is the result of the release incident and subsequent inspection at the facility.