US lawWashingtonRegulationsTitle 173 — ECOLOGY, DEPARTMENT OFChapter 173-180 — FACILITY OIL HANDLING STANDARDS173-180-300WAC 173-180-300WAC 173-180-300. Applicability of Part CLast amended: 2023Year: 2026Length: 7 wordsOfficial source Part C applies to Class 1 facilities.PreviousWAC 173-180-250NextWAC 173-180-310