Okla. Admin. Code § 252:740-9-2 - Applicable mineral criteria

(a) General. OAC 252:730 Appendix F contains yearly mean standards and sample standards for protection of the Agriculture beneficial use. Historical values for chlorides, sulfates and TDS for water quality segments identified in OAC 252:730 Appendix F will not be updated. Data from surrounding segments shall be used by the permitting authority to develop yearly mean standards and sample standards for those segments with inadequate historical data.

(b) Segment averages. Segment averages of yearly mean standards and sample standards or more appropriate determinations as prescribed in (e) and (f) of OAC 252:730-5-13 or (a) of 252:740-9-2 shall be the criteria for chlorides, sulfates and TDS to protect the Agriculture beneficial use.

Notes

Okla. Admin. Code § 252:740-9-2

Adopted by Oklahoma Register, Volume 40, Issue 6, December 1, 2022, eff. 10/25/2022 Adopted by Oklahoma Register, Volume 40, Issue 24, September 1, 2023, eff. 9/15/2023