US lawOklahomaRegulationsTitle 252 — DEPARTMENT OF ENVIRONMENTAL QUALITYChapter 690252:690-3-34OAC 252:690-3-34Test duration for WET testsYear: 2026Length: 16 wordsOfficial source Cite as Okla. Admin. Code § 252:690-3-34The appropriate WET test duration is specified in the specific test method pursuant to OAC 252:690-3-29.PreviousOAC 252:690-3-33NextOAC 252:690-3-35