Rule 36.21.651 - MOVEMENT OF CASING AFTER SEALING(1) In no case shall the permanent well casing be moved or driven following the placement and initial set of the cement grout.
Mont. Admin. r. 36.21.651
NEW, 1986 MAR p. 1699, Eff. 10/17/86; AMD, 1991 MAR p. 913, Eff. 6/14/91.