Issue
Date: June 19, 1996
Revision Date: June 1, 2016
OMNTEC
Mfg., Inc.
OEL
8000, K-OEL 8000, OEL 8000 II, K-OEL 8000 II OEL 8000 III Series Consoles (Proteus B, K, and X Consoles),
(MTG - XX Magnetostrictive Probe, 4 inch dia Floats)
AUTOMATIC
TANK GAUGING METHOD
Certification
|
Leak
rate of 0.2 gph with PD = 97.5% and PFA = 2.5%.
|
Leak
Threshold
|
0.1
gph.
A tank system should not be declared tight if the test
result indicates a loss or gain that equals or exceeds
this threshold.
|
Applicability
|
Gasoline,
diesel, aviation fuel, fuel oil #4, biodiesel blends B6-B20 meeting ASTM D7467, biodiesel B100 meeting ASTM D6751.
|
Tank
Capacity
|
Maximum
of 30,000 gallons.
Tanks less than 95% full may be tested. Minimum product
level required is based on tank diameter as follows:
48" dia/ min 12";
64" dia/ min 15";
72" dia/ min 16";
96" dia/ min 20";
126" dia/ min 25";
132" dia/ min 26".
For other tank diameters, consult manufacturer.
|
Waiting
Time
|
Proteus Series 8000III: Minimum of 8 hours between delivery and testing.
OEL Series:
Minimum
of 4 hours between delivery and testing.
There must be no delivery during waiting time.
|
Test
Period
|
Minimum
of 4 hours, 30 minutes.
Test data are acquired and recorded by the controller.
Leak rate is calculated from data determined to be valid
by statistical analysis.
There must be no dispensing or delivery during test.
|
Temperature
|
Average
for product is determined by a probe containing a minimum
of 5 thermistors.
At least one thermistor must be submerged in product during
test.
|
Water
Sensor
|
Must
be used to detect water ingress.
Minimum detectable water level in the tank is 0.055 inch.
Minimum detectable change in water level is 0.011 inch.
|
Calibration
|
Probe
must be checked and, if necessary, calibrated in accordance
with manufacturer's instructions.
|
Comments
|
Not
evaluated using manifolded tank systems. Therefore,
this certification is only applicable when there is
a probe used in each tank and the siphon is broken during
testing.
Tests only portion of tank containing product.
As product level is lowered, leak rate in a leaking
tank decreases (due to lower head pressure).
Consistent testing at low levels could allow a leak
to remain undetected.
EPA leak detection regulations require testing of the
portion of the tank system which routinely contains
product.
California regulations
require at least one test per month after routine product
delivery or when the tank is filled to within 10% of
the highest operating level of previous month.
|
OMNTEC
Mfg., Inc.
|
Evaluator: Ken Wilcox Associates
|
1993
Pond Rd.
|
Tel: (816) 443-2494
|
Ronkonkoma,
NY 11779
|
Dates
of Evaluation: 01/17/96, 09/15/97, 10/26/00
, 3/20/14
|
Tel: (631) 981-2001
|
|
Website: www.omntec.com |
|
Email: omntec@omntec.com |
|
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