UST Programs - LG 113

Issue Date: November 22, 1995
Revision Date: January 12, 2015

Triangle Environmental, Inc.

TEI Model LT-3, Version 1.0

LINE TIGHTNESS TEST METHOD

Certification	Leak rate of 0.1 gph with PD = 100% and PFA = 0%.
Leak Threshold	0.05 gph. A pipeline system should not be declared tight if the test result indicates a loss that equals or exceeds this threshold.
Applicability	System tests rigid and flexible pipelines. Other liquids may be tested after consultation with the manufacturer.
Specification	System tests fiberglass and steel pipelines. Tests are conducted at 150% operating pressure.
Pipeline Capacity	Maximum of 110.8 gallons.
Waiting Time	None between delivery and testing. Minimum of 15 minutes between dispensing and testingof rigid pipelines (steel, fiberglass). Minimum of 45 minutes between dispensing and testing of flexible pipelines (15 minute line stretch period at either 150% of pump operating pressure plus 10% or at a minimum 60 psi, whichever is greater; and a stabilization period of 30 minutes at either 150% of pump operating pressure or at a minimum 50 psi, whichever is greater).
Test Period	Minimum of 15 minutes. Test data are acquired and recorded manually. Manual calculations are performed by the operator on site.
Temperature	Product change per hour must be less than 4 degrees F.
Calibration	Sensors must be checked annually and calibrated semi-annually in accordance with manufacturer's instructions.

Triangle Environmental, Inc.
3726 Park Place
Montrose, CA 91020
(818) 301-7777

Evaluator: United States Testing Company
Tel: (213) 723-7181
Date of Evaluation: 03/03/92

Evaluator: Consolidated Testing Laboratories, Inc.
(550) 592-3555
Date of Evaluation: 11/05/14

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.