[Code of Federal Regulations]

[Title 40, Volume 26]

[Revised as of July 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 40CFR280.44]



[Page 519]

 

                   TITLE 40--PROTECTION OF ENVIRONMENT

 

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

 

PART 280_TECHNICAL STANDARDS AND CORRECTIVE ACTION REQUIREMENTS FOR 

OWNERS AND OPERATORS OF UNDERGROUND STORAGE TANKS (UST)--Table of Contents

 

                       Subpart D_Release Detection

 

Sec.  280.44  Methods of release detection for piping.



    Each method of release detection for piping used to meet the 

requirements of Sec.  280.41 must be conducted in accordance with the 

following:

    (a) Automatic line leak detectors. Methods which alert the operator 

to the presence of a leak by restricting or shutting off the flow of 

regulated substances through piping or triggering an audible or visual 

alarm may be used only if they detect leaks of 3 gallons per hour at 10 

pounds per square inch line pressure within 1 hour. An annual test of 

the operation of the leak detector must be conducted in accordance with 

the manufacturer's requirements.

    (b) Line tightness testing. A periodic test of piping may be 

conducted only if it can detect a 0.1 gallon per hour leak rate at one 

and one-half times the operating pressure.

    (c) Applicable tank methods. Any of the methods in Sec.  280.43 (e) 

through (h) may be used if they are designed to detect a release from 

any portion of the underground piping that routinely contains regulated 

substances.