Current through Register Vol. 23, December 6, 2024
Rule 42.19.1203 - TREATMENT OF AIR AND WATER POLLUTION CONTROL EQUIPMENT (REPEALED)
Mont. Admin. r. 42.19.1203
NEW, 1980 MAR p. 1088, Eff. 3/28/80; AMD, 1992 MAR p. 2559, Eff. 11/26/92; AMD, 1996 MAR p. 3220, Eff. 12/20/96; AMD, 1997 MAR p. 2297, Eff. 12/16/97; REP, 2024 MAR p. 284, Eff. 2/10/2024