Okla. Admin. Code § 252:517-7-35

Current through Vol. 41, No. 19, June 17, 2024

Section 252:517-7-35 - Soil and rock sampling

(a)Sample collection. For each borehole drilled, soil and rock samples shall be collected at five-foot intervals, and at soil or rock changes, from the surface to the total depth drilled.

(b)Sample storage. Samples shall be stored until final action on the permit application is taken by the DEQ.

(c)Sampling methods. Drilling techniques and the types of samples to be collected shall determine the method of sampling.

(1)Split-barrel. Split-barrel samples shall be taken according to the specifications of ASTM D1586.

(2)Core barrel. Consolidated rock samples shall be taken by core barrel according to the specifications of ASTM D2113.

(3)Thin-walled tube. When soil samples of silts and clays are required for physical tests, thin-walled tube samples shall be taken according to the specifications of ASTM D1587.

(4)Other methods. Other sampling methods may be approved in advance by the DEQ on a case-by-case basis.

Okla. Admin. Code § 252:517-7-35

Adopted by Oklahoma Register, Volume 33, Issue 24, September 1, 2016, eff. 9/15/2016