Oklahoma Administrative Code (Last Updated: March 11, 2021) |
TITLE 252. Department of Environmental Quality |
Chapter 690. Water Quality Standards Implementation |
Subchapter 3. Point Source Discharges |
SECTION 252:690-3-40. Endpoint and test failure criteria for chronic tests
Latest version.
- The endpoint for lethality for chronic WET testing and retesting is the NOECL. The endpoint for sublethality for routine chronic WET testing and retesting is the NOECS. Statistical analysis must be consistent with the methods described in the documents referenced in OAC 252:690-3-29. For chronic test failure, see OAC 785:45.