UL-58 – Steel Under Ground (Single & Double Wall) Storage Tanks For Flammable And Combustible Liquids
UL – 58 is for underground storage of flammable and combustible liquids underground. It includes single wall tanks, secondary containment tanks, multiple compartment single wall and multiple compartments secondary containment tanks.These storage tanks are used as per the NFPA 31, the Flammable and Combustible Liquids Code, NFPA 30, the Automotive and Marine Service Station Code, NFPA 30A, and the Standard for the Installation and Use of Stationary Combustion Engines and Gas Turbines, NFPA 37, and the Uniform Fire Code.