1. (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):

   1. (a) will prevent releases due to corrosion or structural failure for the operational life of the UST system;
   2. (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
   3. (c) is constructed or lined with material that is compatible with the stored substance.

Authorizing statute(s): 75-11-505, MCA

Implementing statute(s): 75-11-505, MCA

History: 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.