Table 11202 Volumetric Leak Testing Methods



Claimed Accuracy, gal/h

Total Downtime for Testing

Requires Empty or Full Tank for Test

Ainlay tank integrity testing

ARCO HTC underground tank detector Certi-Tec testing

"Ethyl" tank sentry

EZY-CHEK leak detector


(standpipe) testing

Pressure measurement by a coil-type manometer to determine product level change in a propane bubbling system Level change measurement by float and light-sensing system Monitoring of pressure changes resulting from product level changes Level change magnification by a J tube manometer

Pressure measurement to determine product level change in an air bubbling system

Pressurizing of system by a standpipe; keeping the level constant by product addition or removal; measuring rate of volume change

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