US lawWashingtonRegulationsTitle 173 — ECOLOGY, DEPARTMENT OFChapter 173-400 — GENERAL REGULATIONS FOR AIR POLLUTION SOURCES173-400-250WAC 173-400-250WAC 173-400-250. AppealsLast amended: 1993Year: 2026Length: 26 wordsOfficial source Decisions and orders of ecology or an authority may be appealed to the pollution control hearings board pursuant to chapter 43.21B RCW and chapter 371-08 WAC.PreviousWAC 173-400-240NextWAC 173-400-260