Oregon Administrative Rules
Chapter 690 - WATER RESOURCES DEPARTMENT
Division 220 - ABANDONMENT OF WATER SUPPLY WELLS
Section 690-220-0140 - Method of Placement of Concrete or Cement Grout
Universal Citation: OR Admin Rules 690-220-0140
Current through Register Vol. 63, No. 9, September 1, 2024
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.
Stat. Auth.: ORS 183, ORS 536, ORS 537 & ORS 540
Stats. Implemented: ORS 183, ORS 536, ORS 537 & ORS 540
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