Administrative Rules of Montana
Department 17 - ENVIRONMENTAL QUALITY
Chapter 17.56 - UNDERGROUND STORAGE TANKS PETROLEUM AND CHEMICAL SUBSTANCES
Subchapter 17.56.4 - Release Detection
Rule 17.56.408 - METHODS OF RELEASE DETECTION FOR PIPING
Current through Register Vol. 6, March 22, 2024
(1) Each method of release detection for piping used to meet the requirements of ARM 17.56.402 must be conducted in accordance with the following:
(2) After December 31, 2010, if the leak detection monitoring equipment has the capability, an owner or operator of an UST system that conducts pipe leak detection pursuant to ARM 17.56.408(1)(a) or (d) shall set the leak detection console to temporarily disable the pumping system after a failed leak test. An operator may not restart the pumping system until:
(3) An owner or operator of an UST system, existing prior to November 26, 2009, employing piping interstitial monitoring as the primary leak detection method pursuant to this chapter shall meet the requirements of [17.56.306 ](3) and ARM 17.56.204.
(4) UST systems installed, modified, or replaced after November 26, 2009, must employ piping interstitial monitoring and meet the requirements in [17.56.306](3) and ARM 17.56.204.
AUTH: 75-11-505, MCA; IMP: 75-11-505, MCA