1. (1) The department adopts and incorporates by reference 40 CFR 141.61(a), 141.61(c), 141.64(a) and (a)(1), 141.64(b)(1)(i), and 141.64(b)(2)(i), which set forth maximum contaminant levels for synthetic organic contaminants, volatile organic contaminants, and disinfection byproducts.

Authorizing statute(s): 75-6-104, MCA

Implementing statute(s): 75-6-104, MCA

History: NEW, 1977 MAR p. 1187, Eff. 12/24/77; AMD, 1982 MAR p. 594, Eff. 3/26/82; AMD, 1991 MAR p. 1492, Eff. 8/16/91; AMD, 1994 MAR p. 2131, Eff. 8/12/94; TRANS, from DHES, 1996 MAR p. 1499; AMD, 2000 MAR p. 3400, Eff. 12/8/00; AMD, 2008 MAR p. 2625, Eff. 12/25/08; AMD, 2011 MAR p. 144, Eff. 2/11/11; AMD, 2024 MAR p. 253, Eff. 2/10/24.