US lawWashingtonRegulationsTitle 173 — ECOLOGY, DEPARTMENT OFChapter 173-401 — OPERATING PERMIT REGULATION173-401-610WAC 173-401-610WAC 173-401-610. Permit durationLast amended: 1993Year: 2026Length: 13 wordsOfficial source The permitting authority shall issue permits for a fixed term of five years.PreviousWAC 173-401-605NextWAC 173-401-615