1. (1) Owners of petroleum underground storage tanks must comply with the requirements of this subchapter. Previously deferred UST systems must comply with the schedule according to ARM 17.56.1601(1)(a).

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. 1667, Eff. 8/24/07; AMD, 2018 MAR p. 1954, Eff. 10/6/18.