US lawWashingtonRegulationsTitle 173 — ECOLOGY, DEPARTMENT OFChapter 173-408 — LANDFILL METHANE EMISSIONS173-408-140WAC 173-408-140WAC 173-408-140. Communications and submittals formatLast amended: 2024Year: 2026Length: 24 wordsOfficial source Any communications, submittals, or requests required by this chapter must be in a format acceptable to the department or the local authority, as applicable.PreviousWAC 173-408-130NextWAC 173-408-150