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  — METHOD INDEX —

Continuous Pressurized Piping
Bulk UST
AST Leak Detection
Electronic LLD
Mechanical LLD
Large Pipeline
Static ATG
Continual RS
Qualitative SIR
Quantitative SIR
Interstice-Liquid Filled
Line Interstice-P/V
Tank Interstice-P/V
Interstitial Sensor
Liquid Sensor
Vapor Sensor
NVTTT-Tracer
NVTTT-Ullage
NVTTT-Vacuum
VTTT-Overfill
VTTT-Underfill
Interstitial TTT
Small Pipeline TT
Sec & Spill Cont

Revision Date:  January 24, 2008
 

Interstitial Tank Tightness Test Method

Click on the vendors specific EQUIPMENT NAME to go to that Listing.


  VENDOR

  EQUIPMENT NAME

LEAK RATE/THRESHOLD/
MAX TANK CAPACITY

Containment Solutions Inc. (originally listed as Fluid Containment and O/C Tanks)

Hydrostatic Precision Tank Test for DWT-Type II Tanks

0.1 gph/0.05 gph without dispensing/30,000 gallons
0.1gph/0.07 gph with dispensing/30,000 gallons

Leak Detection Technologies, Inc. MCleak Enhanced Interstice Test for Doubled-Walled Tanks, UDCs, Sumps and Spill Buckets Leak Rate- 0.1 gph/ 0.005 gph w/ 72 hour wait before testing. 1,500 gallon interstitial capacity. Leak Threshold – 0.0017 gph h

Steel Tank Institute

Permatank Precision Interstitial Vacuum Monitor

0.1 gph/0.01 gph/50,000 gallons

  Permatank Interstitial Vacuum Monitor Liquid Leaks 0.1gph/ A tank system should not be declared tight when the vacuum decreases (pressure increases) 5 inches or more of mercury over the test period specified for each tank size./20,000 gallons

Xerxes Corp.

Xerxes Trucheck Hydrostatic Monitoring System

0.1 gph/0.05 gph/30,000 gallons

 

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