Respondent operated a facility to store and distribute pesticides, fertilizers, and industrial chemicals, including chlorine. At all times relevant to this CAFO, the facility produced, used or stored more than 10,000 pounds of chlorine and was subject to the requirements of CAA § 112(r)(7). The process was subject to Program 3 requirements because it was subject to the OSHA process safety management standard set forth in 29 C.F.R. § 1910.119.