Or. Admin. Code § 690-220-0140 - Method of Placement of Concrete or Cement Grout

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 and placed progressively upward to the top of the well. All such sealing materials shall be placed by the use of a grout pipe or by dump bailer in order to avoid segregation or dilution of the sealing materials.

Notes

Or. Admin. Code § 690-220-0140

WRD 3, f. & ef. 2-18-77; WRD 9-1978, f. 12-12-78, ef. 1-1-79,; WRD 13-1986, f. 10-7-86, ef. 11-1-86, Renumbered from 690-063-0040 by WRD; WRD 7-2001, f. & cert. ef. 11-15-01

Stat. Auth.: ORS 183, ORS 536, ORS 537 & ORS 540

Stats. Implemented: ORS 183, ORS 536, ORS 537 & ORS 540