ARM 36.21.677
ARM 36.21.677. METHOD OF PLACEMENT OF CONCRETE OR CEMENT GROUT
Cite as Mont. Admin. R. 36.21.677
(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.