Issue Date: May 31, 2019


Fueling and Service Technologies, Inc.

Hydro-TiteTM Leak Detection System For Secondary Containment



Minimum Level Change (MLC) of 0.00065 inch in 12 minutes with PD = 95%
Please be aware that the authority having jurisdiction in your particular state, territory, tribe or municipality may have set a minimum detectable leak rate for Secondary and Spill Containment Test Methods.

Leak Threshold 0.0020 inch/12min fluid level change (0.010 inch/hour).
A containment vessel should not be declared tight if the test result indicates a loss or gain that equals or exceeds this threshold.
Applicability Water.
Specification System tests wetted portion of turbine, transition and dispenser containment sumps, and spill buckets after test liquid is temporarily added in accordance with PEI RP-1200 requirements.
Uses a magnetostrictive probe to measure rise or drop of liquid level.
Waiting Time Water level readings must stabilize (due to distortion of sumps and wave action) and temperature in sump must be close to equilibrium prior to beginning test.
Test Period 12 minutes.
System Features Up to 4 probes can be connected to the laptop.
Calibration No calibration is required.
Comments Pass/fail criteria is based on a fluid level change, not a leak rate. No minimum detectable leak rate has been determined.
Test utilizes a magnetostrictive probe coupled to a laptop computer containing proprietary software and algorithms.
Probe must be suspended as described in the installation manual to keep the probe as vertical as possible.
The position of the probe should be adjusted until the rod is not touching the float at any location on the rod.
Results may be converted to gal/hr using beginning and ending of test surface area of liquid in test vessel.
Test should not be conducted if the ground water level is measured above the bottom of the sump


Fueling and Service Technologies, Inc, (Fastech)

Evaluator:  Ken Wilcox Associates

7050 Village Drive

Tel:  (816) 443-2494

Buena Park, CA 90621

Dates of Evaluations: 02/19/04, 11/28/17

Tel: (714) 523-0194

Evaluation Protocol: Evaluation of Systems Used for testing of Secondary Containment Vessels, November 26, 2001.


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Equipment should be installed and operated in accordance with all applicable laws and regulations.  For full details, please refer to our expanded "DISCLAIMER" page.