The process at the Facility involves the separation of propane, butane, ethane and isobutane from the incoming natural gas using compressors and a process skid. The separated gases are stored together in a 10,000-gallon storage tank, which when full weighs 67,000 pounds, for transportation off-site. The National Fire Protection Administration’s Code 58, Liquefied Petroleum Gas Code, 2011 Edition, (“NFPA 58”) applies to the storage, handling, transportation, and use of liquefied petroleum gas at the Facility. The inspection revealed a number of concerns at the Facility: