UST Programs - LG 113

Issue Date: February 15, 2012

United Testing Systems

U.T.S. 6000 Line Tester

LINE TIGHTNESS TEST METHOD

Certification	Leak rate of 0.1 gph with PD = 99.9% and PFA = 5%.
Leak Threshold	0.03 gph. A pipeline system should not be declared tight if the test result indicates a loss that equals or exceeds this threshold.
Applicability	Gasoline, diesel, aviation fuel, fuel oil #4. Other liquids may be tested after consultation with the manufacturer.
Specification	System tests pressurized fiberglass and steel pipelines. Tests are conducted at 150% operating pressure. Mechanical line leak detector must be removed or manually isolated from pipeline for duration of test, or if testing is to be conducted with mechanical line leak detector in place, check valve in pump must be manually closed.
Pipeline Capacity	Maximum of 44 gallons.
Waiting Time	None between delivery and testing. 30 minutes between dispensing and testing.
Test Period	1 hour under ideal conditions. Actual test time will depend on line size and temperature conditions at the site. Data is collected every 5 minutes. Three consecutive consistent readings are required for a valid test, with the first reading taken at zero time. Test data are acquired and recorded manually. Manual calculations performed by the operator on site.
Calibration	No temperature sensors used. No calibration required. System must be checked annually in accordance with manufacturer's instructions. Technicians must be certified by the manufacturer prior to using this equipment, and recertified every two years.

United Testing Systems	Evaluator: Midwest Research Institute
R.R. 1, Box 44	Tel: (816) 753-7600
Beulah, ND 58523	Date of Evaluation: 12/22/94
Tel: (701) 748-2381
Email: metepee@westriv.com

Appearance on this list is not to be construed as an endorsement by any regulatory agency nor is it any guarantee of the performance of the method or equipment.
Equipment should be installed and operated in accordance with all applicable laws and regulations.
For full details, please refer to our expanded "DISCLAIMER" page.