Contain A Fuel Spill National Equipment Company is rolling out secondary containment systems for single wall fuel tanks. Published on: Mar 31, 2011 Tweet Post to Your Wall. Email Story RSS Permalink Print New rules from the U.S. Environmental Protection Agency will require that you be able to contain a fuel spill on your farm in case of a tank failure. National Equipment Company is rolling out secondary containment systems for single wall fuel tanks. The structural steel systems meet new EPA requirements. They're prime coat painted and custom sizes are available. For more information, call (219) 462-9811.Steel fuel containment vessels