Statutes, codes, and regulations
Oklahoma Administrative Code
Title 252 - Department of Environmental QualityChapter 690 - Water Quality Standards Implementation
Subchapter 1 - Introduction
Section 252:690-1-4.1 - Date of federal regulations incorporated

Okla. Admin. Code § 252:690-1-4.1

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Current through Vol. 41, No. 19, June 17, 2024
Section 252:690-1-4.1 - Date of federal regulations incorporated

When reference is made to 40 C.F.R. it means, unless otherwise specified, the volume of 40 C.F.R. as published on July 1, 2022.

Okla. Admin. Code § 252:690-1-4.1

Adopted by Oklahoma Register, Volume 34, Issue 24, September 1, 2017, eff. 9/15/2017
Amended by Oklahoma Register, Volume 38, Issue 24, September 1, 2021, eff. 9/15/2021
Amended by Oklahoma Register, Volume 39, Issue 24, September 1, 2022, eff. 9/15/2022
Amended by Oklahoma Register, Volume 40, Issue 24, September 1, 2023, eff. 9/15/2023