US lawWashingtonRegulationsTitle 173 — ECOLOGY, DEPARTMENT OFChapter 173-433 — SOLID FUEL BURNING DEVICES173-433-020WAC 173-433-020WAC 173-433-020. ApplicabilityLast amended: 1988Year: 2026Length: 19 wordsOfficial source The provisions of this chapter apply to solid fuel burning devices in all areas of the state of Washington.PreviousWAC 173-433-010NextWAC 173-433-030