On December 15, 2016, pursuant to Section 113(a)(3)(B) of the Clean Air Act ( CAA ), EPA Region III issued an Administrative Settlement Agreement and Order on Consent ( Order ) to Main Pool and Chemical, Inc., the owner and operator of a water and wastewater chemical repackaging and distribution facility located in Dupont, Pennsylvania. EPA conducted an inspection of the facility to assess compliance with Section 112(r)(1) and (7) of the CAA on July 23, 2015. EPA determined that Main Pool and Chemical violated the General Duty Clause's obligation to ensure that the storage of flammable chemicals at the facility was conducted safely, to prevent to accidental release of hazardous chemicals, by not separating incompatible materials, by not storing flammable chemicals in a fire-protected area and by storing flammable chemicals in containers inappropriate for their storage location. EPA also determined that Main Pool and Chemical had violated Section 112(r)(7) and the Chemical Accident Prevention Provisions by submitting its risk management plan late, and had misclassified the facility. Further, Main Pool and Chemical had not compiled safety information related to the hazards of storing chlorine, conducted a hazard review of its chlorine storage process, stored its 150-pound chlorine cylinders and one-ton chlorine cylinders in accordance with the safety provided by industry-specific design codes and standards, prepared written operating procedures for its chlorine storage, provid