Okla. Admin. Code § 690 app FDownload PDFCurrent through Vol. 41, No. 19, June 17, 2024Appendix F - [Effective until 9/14/2023] Equations for Implementation of Numerical Criteria for Toxic Substances to Protect the Fish and Wildlife Propagation Beneficial UseClick to view imageClick to view imageClick to view imageOkla. Admin. Code 690 app FAdopted by Oklahoma Register, Volume 40, Issue 6, December 1, 2022, eff. 10/25/2022 (emergency)