All liquefied petroleum gas containers shall be provided with a spring-loaded safety relief valve as required by National Fire Protection Association Pamphlet No. 58 entitled "Standard for the Storage and Handling of Liquefied Petroleum Gas", 1973 Edition.
(Coun. J. 12-9-92, p. 25465; Amend Coun. J. 2-7-96, p. 15616)