US lawWashingtonRegulationsTitle 173 — ECOLOGY, DEPARTMENT OFChapter 173-180 — FACILITY OIL HANDLING STANDARDS173-180-900WAC 173-180-900WAC 173-180-900. Applicability of Part ILast amended: 2023Year: 2026Length: 7 wordsOfficial source Part I applies to Class 1 facilities.PreviousWAC 173-180-815NextWAC 173-180-910