Statutes, codes, and regulations
Oklahoma Administrative Code
Title 252 - Department of Environmental QualityChapter 690 - Water Quality Standards Implementation
Subchapter 3 - Point Source Discharges
Section 252:690-3-56 - Criteria long-term averages for the implementation of numerical criteria for toxic substances to protect the Fish and Wildlife Propagation beneficial use

Okla. Admin. Code § 252:690-3-56

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Current through Vol. 41, No. 19, June 17, 2024
Section 252:690-3-56 - Criteria long-term averages for the implementation of numerical criteria for toxic substances to protect the Fish and Wildlife Propagation beneficial use

LTAA and LTAC are calculated using a 99% probability basis according to Equations F-8 and F-9, respectively. A CV of 0.6 is assumed unless a CV is determined from effluent data in accordance with 252:690-3-7. LTATOX is the more limiting of these two LTAs.

Okla. Admin. Code § 252:690-3-56

Added at 19 Ok Reg 1721, eff 6-13-02