Recommended Practices for the Closure of Underground Storage Tank and Shop-Fabricated Abo

The Recommended Practices for the Closure of Underground Storage Tank and Shop-Fabricated Aboveground Storage Tank Systems PEI/RP 1700-18 covers facilities equipped with regulated or non-regulated Underground Storage Tanks and shop-fabricated ASTs, associated piping, diking and spill containment, and equipment intended to operate a system that contains petroleum products.