Okla. Admin. Code § 252:517-7-56

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

Section 252:517-7-56 - Shallow saturated zone investigation

(a)Shallow saturated zone encountered. If a saturated zone is encountered above the depth where groundwater was anticipated, drilling shall cease and the following actions taken:

(1) note on the borehole lithologic sample log, the initial depth at which the shallow zone was encountered;

(2) install and screen a piezometer in the shallow zone; and

(3) drill a new boring, to the original proposed total depth, within ten feet of the piezometer.

(b)Additional shallow zones encountered. If a shallow saturated zone is encountered in the next three adjacent borehole locations in the approved drilling plan:

(1) the drilling plan and preliminary landfill design shall be revised to take into consideration the shallow water table;

(2) the subsurface investigation shall be updated and revised as hydrogeologic information becomes available; and

(3) a revised drilling plan shall be submitted to the DEQ for approval, with explanation of any changes made to the original plan.

Okla. Admin. Code § 252:517-7-56

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