Okla. Admin. Code § 252:606-6-39

Current through Vol. 42, No. 8, January 2, 2025

Section 252:606-6-39 - Endpoint and test failure criteria for acute tests

The endpoint for routine acute WET testing and retesting is the LC₅₀. Acute test failure is greater than or equal to 50% mortality to a test species, as specified in OAC 252:606-6-29. Statistical analysis must be consistent with the methods described in the documents referenced in OAC 252:606-6-29. Where a WET limit is established, it is expressed as an LC₅₀ effluent concentration and must be greater than 100% (>100%).

Okla. Admin. Code § 252:606-6-39

Adopted by Oklahoma Register, Volume 41, Issue 23, August 15, 2024, eff. 9/15/2024