ABSTRACT
The proliferation of aboveground storage tank (AST) designs during the 1990s truly reflects marketplace demand from disgruntled owners of underground storage tanks (USTs) to creative facility managers trying to lower costs while ensuring that petroleum and chemical storage needs continue to be met. The decision on how to store flammable, combustible, or hazardous materials in capacities of 50,000 gal or less has never been more complicated. After all, for decades, there was typically one answer-underground storage.
