17.56.104 TANK STANDARDS FOR EXCLUDED UST SYSTEMS
(1) Owners or operators must install an UST system listed in ARM 17.56.102(4) or (5) that meets the following requirements for storing regulated substances (whether of single- or double-wall construction):
(a) will prevent releases due to corrosion or structural failure for the operational life of the UST system;
(b) is cathodically protected against corrosion, constructed of noncorrodible material, steel clad with a noncorrodible material, or designed in a manner to prevent the release or threatened release of any stored substance; and
(c) is constructed or lined with material that is compatible with the stored substance.
History: 75-11-505, MCA; IMP, 75-11-505, MCA; NEW, 1989 MAR p. 1912, Eff. 11/23/89; TRANS, from DHES, 1995 MAR p. 2259; AMD, 2007 MAR p. 1189, Eff. 8/24/07; AMD, 2018 MAR p. 1954, Eff. 10/6/18.