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
Universal Citation: MT Admin Rules 17.56.409
Current through Register Vol. 6, March 22, 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.
AUTH: 75-11-505, MCA; IMP: 75-11-505, MCA
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