Issue Date: July 27, 2004
Revision Date: June 8, 2005

EBW, Inc.

AutoStik II, AutoStik Jr., with SCALD 2.0
(INCON TSP-LL2 Magnetostrictive Probe)

(Continuous Automatic Tank Gauging)


Applies only to EBW, Inc. AutoStik II and AutoStik Jr., with SCALD 2.0 models sold on or after March 1, 2004.
Leak rate of 0.2 gph with PD > 99% and PFA < 1%.

Leak Threshold 0.10 gph for single and manifolded tank systems.
A tank system should not be declared tight and a message printed for the operator, if the test results indicate a loss or gain that exceeds this threshold.
Applicability Gasoline, diesel, aviation fuel, fuel oil #4.
Tank Capacity Maximum of 49,336 gallons for single tanks and for all tanks manifolded together.
Tank must be between 14 and 93.5% full.
Contact manufacturer for tank system applications if total tank capacity exceeds 30,000 gallons.
Throughput Monthly maximum of 257,818 gallons.
Waiting Time None between delivery and data collection when difference between product in tank and product delivered is 6.0 degrees F or less.
Test Period Data collection time ranges from 5 to 28 days. Data sampling frequency is > 1 per second.
System collects data at naturally occurring product levels without interfering with normal tank operation, and discards data from unstable periods when system performs test.
Temperature Average for product is determined by a minimum of 5 thermistors.
Water Sensor Must be used to detect water ingress.
Minimum detectable water level in the tank is 0.208 inch.
Minimum detectable change in water level is 0.011 inch.
Calibration Thermistors and probe must be checked and, if necessary, calibrated in accordance with manufacturer's instructions.
Comments System reports a result of “pass” or “fail”.
Evaluated using both single and manifolded tank systems
with probes in each tank.
Tests only the portion of the tank containing product.
As product level is lowered, the 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.
AutoStik Jr. can support up to 4 tanks.
AutoStik II can support up to 8 tanks.
The database for evaluation of the system includes sites with vapor recovery and blending dispensers.


EBW, Inc.

Evaluator:  Ken Wilcox Associates

3760 Marsh Road

Tel:  (816) 443-2494

Madison, WI  53718

Date of Evaluation:  07/11/2003

Tel:  (800) 225-9787



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