Issue Date: November 22, 1995
Revision Date: April 5, 2002 

(originally listed as Ustman Industries, Inc.)

USTMAN SIR Version 94.1


Certification Leak rate of 0.1 gph with PD > 99% and PFA < 1.0%. 
"If a method meets the requirement for detecting a leak rate of 0.1 gph, it will meet the requirement for 0.2 gph.", according to "Standard Test Procedures for Evaluating Leak Detection Methods:
Statistical Inventory Reconciliation Methods", EPA/530/UST-90/007, June 1990, Section 7.2.3, page 30.
Leak Threshold 0.05 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. 
Tank Capacity Maximum of 30,000 gallons.
Data Requirement Minimum of 30 days of product level and flow through data.
Comments Evaluated using some data from manifolded tank systems. 
Of 53 data sets submitted for evaluation, all were analyzed with conclusive results. 
Median monthly throughput of tanks evaluated was 25,408 gallons. 
Leak rates of 0.05, 0.1, and 0.2 gph were used in evaluation. 
Data sets evaluated were supplied by evaluator. 
Some data sets used USTMAN SIR 1.91 (0.1 gph) analysis as documentation that tanks were tight.


Gilbarco/Veeder Root

Evaluator:  Ken Wilcox Associates

Attn: CMS Mailstop F-76

Tel:  (816) 443-2494

7300 West Friendly Ave.

Date of Evaluation:  03/31/94

P.O. Box 22087  
Greensboro, NC 27420-2087  

Tel:  (800) 253-8054



 | Home | Vendors: A - F | Vendors: G - M | Vendors: N - S | Vendors: T - Z | Method Index | Glossary |

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.