ARM 17.57.107
ARM 17.57.107. GENERAL RELEASE DETECTION STANDARDS
Cite as Mont. Admin. R. 17.57.107
(1) As part of an aboveground double-walled petroleum storage tank system's design covered under this chapter, an owner and an operator shall provide a method, or a combination of methods, of release detection that monitors the storage tank system's interstitial space at intervals of not less than every 30 days.