US lawWashingtonRegulationsTitle 173 — ECOLOGY, DEPARTMENT OFChapter 173-408 — LANDFILL METHANE EMISSIONS173-408-190WAC 173-408-190WAC 173-408-190. SeverabilityLast amended: 2024Year: 2026Length: 25 wordsOfficial source If any provision of this chapter or its application is held invalid, the remainder of the chapter or application of the provision is not affected.PreviousWAC 173-408-180NextWAC 173-408-980