Rule 36.21.677 - METHOD OF PLACEMENT OF CONCRETE OR CEMENT GROUT(1) Concrete or cement grout used as a sealing material in abandonment operations shall be introduced at the bottom of the well or required sealing interval. All cement sealing materials shall be placed to avoid segregation or dilution of the sealing materials.Mont. Admin. r. 36.21.677
NEW, 1991 MAR p. 913, Eff. 6/14/91; AMD, 1997 MAR p. 65, Eff. 1/17/97.37-43-202(3), MCA; IMP, 37-43-202(3), MCA;