Issue Date: August 23, 1999
Revision Date: June 24, 2002
(originally listed as
Gilbarco Environmental Products and later as Marconi Commerce Systems)
PA0265 (Same as Veeder-Root Model 8473),
PA0300 (Same as Veeder-Root Model 8473)
AUTOMATIC TANK GAUGING METHOD
||Leak rate of 0.2
gph with PD = 99.5% and PFA = 1.6%.
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 20,000
Tanks less than 95% full may be tested.
Minimum product level required is based on tank diameter as follows:
48" dia/min 18";
64" dia/min 21";
72" dia/min 24";
96" dia/min 30";
126" dia/min 39";
132" dia/min 39".
For other tank diameters see evaluation report.
||Minimum of 8
hours between delivery and testing.
Minimum of 30 minutes between dispensing and testing.
There must be no delivery during waiting time.
||Minimum of 2
Test data are acquired and recorded by system's computer.
Leak rate is calculated from the difference between the first and last
There must be no dispensing or delivery during test.
product is determined by probe which contains 5 thermistors.
At least two thermistors must be submerged in product during test.
||Must be used to
detect water ingress.
Minimum detectable water level in the tank is 0.66 inch.
System is programmed to report water depth only when it exceeds 0.75
Minimum detectable change in water level is 0.005 inch.
probe must be checked and, if necessary, calibrated in accordance with
using manifolded tank systems. Therefore, this certification is only
applicable when there is a probe used in each tank and the siphon is broken
Tests only portion of tank containing product. As product level is
lowered, leak rate in a leaking tank decreases (due to lower head
Consistent testing at low levels could allow a leak to remain
EPA leak detection regulations require testing of the portion of the tank
which routinely contains product.
125 Powder Forest Dr.
Simsbury, CT 06070-2003
Date of Evaluation:
Tel: (860) 651-2700