Revision Date: May 28, 2008

Above Ground Storage Tank Method

Select vendor's equipment name to go to that listing.

Vendor Equipment Name Leak Rate/Threshold/Max Tank Capacity
Leak Detection Technologies (originally listed as Leak Detection Technologies International) MDleak Enhanced Leak Detection Method (Aboveground Storage Tank Leak Detection Method)

0.005 gph, or greater

A tank system should not be declared tight when tracer chemical greater than the background level is detected outside of the tank system.

Not limited by capacity.

Mass Technology Corp. Precision Mass Measurement Systems SIM-1000 & CBU-1000 AST Leak Detection System

1.717 gph and 0.859 gph/A tank system should not be declared tight if the test result indicates a loss or gain that equals or exceeds this threshold./Surface area 30,172 sq. ft. and diameter 196 feet.

Tracer Tight for Large Aboveground Storage Tanks Precision Tank Iventory Control System, Version 90

0.1 gph and 0.005 gph

A tank system should not be declared tight when tracer chemical greater than the background level is detected outside of the tank system.

Not limited by capacity.