Mo. Code Regs. Ann. tit. 10, § 23-6.040
Construction Standards for Test Holes
Effective Feb 28, 2019sections 256.606 and 256.626, RSMo 2016.* Original rule filed Aug. 17, 1993, effective March 10, 1994. Amended: Filed Nov. 1, 1995, effective June 30, 1996. Amended: Filed June 27, 2018, effective Feb. 28, 2019. *Original authority: 256.606, RSMo 1991 and 256.626, RSMo 1985, amended 1991Division of Geology and Land Survey
PURPOSE: This rule describes the minimum standards for a properly constructed test hole.
- (1) Casing when used shall follow the minimum standards pursuant to 10 CSR 23- 3.030(1)(A).
- (2) Casing Depth. If permanent surface casing is set, it must be set at least thirty feet (30') into bedrock.
- (3) Temporary Cap. All holes must be capped during the period they remain unplugged pursuant to 10 CSR 23-3.030(1)(E).
- (4) Grout when used to seal casing annulus shall follow materials and methods pursuant to 10 CSR 23-3.030(1)(C).
AUTHORITY: sections 256.606 and 256.626, RSMo 2016.* Original rule filed Aug. 17, 1993, effective March 10, 1994. Amended: Filed Nov. 1, 1995, effective June 30, 1996. Amended: Filed June 27, 2018, effective Feb. 28, 2019. *Original authority: 256.606, RSMo 1991 and 256.626, RSMo 1985, amended 1991.