All methods of sample collection, preservation, and analysis used in applying any of the standards shall be in accordance with Part 136 ( 40 C.F.R. Part 136 ) or other procedures approved by DEQ.
Okla. Admin. Code § 252:730-1-4
All methods of sample collection, preservation, and analysis used in applying any of the standards shall be in accordance with Part 136 ( 40 C.F.R. Part 136 ) or other procedures approved by DEQ.
Okla. Admin. Code § 252:730-1-4