UL 142 (1968) Steel Above Ground Tanks for Flammable and Combustible Liquids 49 CFR 74 FR , Aug 11, 09 APPROVED Title UL 142 Steel Above Ground Tanks for Flammable and Combustible Liquids Author Underwriters Laboratories Subject Incorporated into US Law in 49 CFR 1910UL 142 (1968) Steel Above Ground Tanks for Flammable and Combustible Liquids 49 CFR 74 FR , Aug 11, 09 APPROVED Title UL 142 Steel Above Ground Tanks for Flammable and Combustible Liquids Author Underwriters Laboratories Subject Incorporated into US Law in 49 CFR 1910UL142 is a national standard that covers most types of tanks for flammable and combustible liquids It also applies to those tanks that are made from steel and located above ground These standards apply for various shaped tanks including rectangular, round, or cylindrical Ul 142 Aboveground Flammable Liquid Storage Tanks Fox Tank Company Ul 142 tank certification