The respondent is the owner and operator of the water treatment plant, which treats and chlorinates water. The Facility maintains a maximum inventory of 32,000 pounds of chlorine as liquefied compressed gas. The Facility’s chlorine process is subject to the U.S. Occupational Safety and Health Administration (OSHA) process safety management (PSM) standard, 29 C.F.R § 1910.119 because it contains greater than the threshold quantity of chlorine, listed at 29 C.F.R. § 1910.119 Appendix A as 1,500 pounds of chlorine. On June 20, 2019, EPA conducted an announced inspection of the Facility.
At the time of the inspection…