Okla. Admin. Code § 252:515-15-4

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

Section 252:515-15-4 - Installation of gas monitoring probes

(a)Construction.

(1) Gas monitoring probes shall be constructed in accordance with the requirements of the OWRB (see OAC 252:515-7-3 ) of a minimum one-inch diameter schedule 40 or 80 polyvinyl chloride, stainless steel, Teflon or high density polyethylene pipe.

(2) Gas monitoring probes shall be constructed with a sampling port.

(b)Location. Gas monitoring probes shall be located no more than 1000 feet apart along the permit boundary, with the following exceptions.

(1)Off-site structures. If there are off-site structures located within one-half mile of the facility permit boundary, the spacing shall be no more than 500 feet between each probe along the permit boundary on the sides where these structures are located.

(2)Alternative spacing or locations.

(A) The DEQ may approve alternative probe spacing or locations if physical impediments prevent installation along the permit boundary or if other unique physical features at the facility warrant a revised probe placement strategy.

(B) A thorough justification for the revised probe placement strategy shall be submitted as part of the gas monitoring plan required by OAC 252:515-15-3.

(c)Minimum depth. Gas monitoring probes shall be installed to a minimum depth equivalent to the deepest placement of waste and be screened for the entire depth of waste.

(d)As-built drawings. Within 90 days of installation, detailed as-built drawings of the probes shall be submitted to the DEQ to demonstrate the probes were installed in accordance with this Section.

Okla. Admin. Code § 252:515-15-4

Added at 20 Ok Reg 1151, eff 6-1-03

Amended by Oklahoma Register, Volume 32, Issue 23, August 17, 2015, eff. 9/15/2015