Okla. Admin. Code § 252:622-3-2Download PDFCurrent through Vol. 42, No. 8, January 2, 2025Section 252:622-3-2 - Adoption of National Categorical Pretreatment Standards by reference [REVOKED]Okla. Admin. Code § 252:622-3-2Added at 11 Ok Reg 3793, eff 7-11-94; Revoked at 18 Ok Reg 1582, eff 6-1-01