NAFFCO’s Above Ground storage Tank is designed for performance, durability, and reliability. The light weight NAFFCO tank is performance engineered for safety and long service life. It is UL listed (manufacturing accordance UL 142) and has easily passed all tests for 100% primary containment.These tanks are intended for installation and use in accordance with the flammable and combustible liquids code NFPA 30.The basic features of primary containment tanks covered under this category include all containment spaces and their respective openings (vents, liquid fill/withdraw, level indicator, drain and other functional openings) with connection threaded fittings.All tank-containment compartments have been factory leak-tested by the NAFFCO before shipping.