Issue Date: April 18, 1997
Revision Date: March 3, 2009

Horner Products, Inc.

SIR PRO 1 Version 4.0


Horner Products is no longer in business.  Support for this method may not be available.

Certification Leak rate of 0.1 gph with PD = 98% and PFA = 2%.
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 33,000 gallons for single tanks. 
Size limits using an acceptable protocol for manifolded tank systems have not been determined.
Data Requirement Minimum of 30 days of product level and flow through data.
Comments Not evaluated for manifolded tank systems using an acceptable protocol. 
73% of data sets were from manifolded tank systems. 
Of 41 data sets submitted for evaluation, 4 were inconclusive. 
Median monthly throughput of tanks evaluated was 22,370 gallons. 
Leak rates ranging from 0.05 to 0.216 gph were used in evaluation. 
Data sets evaluated were supplied by evaluator.


Manufacturer's Previously Listed Contact

Evaluator:  Ken Wilcox Associates

Information is No Longer Valid

Tel:  (816) 443-2494


Date of Evaluation:  07/18/95




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