Admin. R. Mont. 17.56.705
(1) The owner or operator shall maintain records in accordance with ARM 17.56.305 that are capable of demonstrating compliance with closure requirements under this subchapter. Results of the excavation zone assessment required in ARM 17.56.703 must be maintained for at least three years after completion of permanent closure or change in service in one of the following ways:
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, 2010 MAR p. 1888, Eff. 8/27/10; AMD, 2016 MAR p. 1694, Eff. 9/24/16.