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 17.56.409 - RELEASE DETECTION RECORDKEEPING

Current through Register Vol. 13, July 5, 2024
(1) All
				UST system owners and operators shall maintain records in accordance with ARM
				17.56.305
				demonstrating compliance with all applicable requirements of this subchapter.
				These records must include the following:
(a)
				all written performance claims pertaining to any release detection system used,
				and the manner in which these claims have been justified or tested by the
				equipment manufacturer or installer, must be maintained for the operating life
				of the release detection system;
(b) the results of any sampling, testing, or
				monitoring must be maintained for at least one year, or another reasonable
				period of time determined by the department, except as follows:
(i) the results of annual tests of proper
				operation of leak detection equipment conducted in accordance with ARM
				17.56.401(2)
				must be maintained for three years minimum. The results must list each
				component tested, indicate whether each component tested meets the criteria in
				ARM
				17.56.401(2)
				or needs to have action taken, and describe any action taken to correct an
				issue;
(ii) the results of tank
				tightness testing conducted in accordance with ARM
				17.56.407(1)(c)
				must be retained until the next test is conducted; and
(iii) the results of line tightness testing
				and vapor monitoring using a tracer compound placed in the tank system
				conducted in accordance with [17.56.1601 ] (1)(a)(iii) must be retained until
				the next test is conducted;
(iv)
				written documentation of all calibration, maintenance, and repair of release
				detection equipment permanently located on-site must be maintained for at least
				one year after the servicing work is completed, or for another reasonable time
				period determined by the department; and
(v) any schedules of required calibration and
				maintenance provided by the release detection equipment manufacturer must be
				retained for five years from the date of installation.
(c) an owner or operator of an UST system
				existing prior to November 26, 2009, who conducts interstitial monitoring as
				the primary leak detection method pursuant to this subchapter shall document
				the communication of all sensors with the console at least monthly, and
				maintain the record onsite of each monthly sensor test for the previous 12
				months.
(d) UST systems installed,
				modified, or replaced after November 26, 2009, shall document the communication
				of all sensors with the console at least monthly, and maintain the record
				onsite of each monthly sensor test for the previous 12 months.
(e) UST systems installed, modified or
				replaced after October 13, 2018, shall maintain records of site assessments
				conducted under ARM
				17.56.407(1)(e)
				or (f) as long as the leak detection methods
				are used.
(f) Records of site
				assessments conducted under ARM
				17.56.407(1)(e)
				or (f) after October 13, 2018, must be signed
				by a professional engineer or professional geologist, or equivalent licensed
				professional with experience in environmental engineering, hydrogeology, or
				other relevant technical discipline acceptable to the department.