Does NFPA 58 address LP-gas installations at natural gas processing plants refineries and petrochemical plants?
No. Storage and handling of liquefied petroleum gas at natural gas processing plants, refineries, and petrochemical plants is required to comply with the 8th edition (2001) of Standard API 2510 of the American Petroleum Institute (Design and Construction of LPG Installation). This requirement is found within Section 200.40 of 41 Illinois Administrative Code 200.