Issue Date: November 22, 1995
Revision Date: November 6, 1997
Ainlay Tank 'Tegrity' Tester, S-3
VOLUMETRIC TANK TIGHTNESS TEST
||Leak rate of 0.1
gph with PD = 99% and PFA = 1%.
A tank system should not be declared tight if the test result indicates a
loss or gain that equals or exceeds this threshold.
||Maximum of 15,000
Tank must be minimum 100% full.
||Minimum of 10
hours between delivery and testing.
Minimum of 2 hours between "topping off" and testing.
There must be no dispensing or delivery during waiting time.
||Minimum of 1
hour, 30 minutes.
Test data are acquired and recorded manually and by a strip chart
Leak rate is calculated from last 1 hour, 30 minutes of test period
There must be no dispensing or delivery during test.
product is determined by a minimum of 3 thermistors.
groundwater in tank excavation backfill must be determined.
If groundwater is above bottom of tank, product level must be adjusted to
provide net pressure of 2-4 psi at the bottom of tank during test.
must be calibrated before each test in accordance with manufacturer's
Thermistors must be checked annually and, if necessary, calibrated in
accordance with manufacturer's instructions.
using manifolded tank systems.
Law Engineering Industrial Services
Manufacturer’s Previously Listed Contact Information is No