Versions of Washington Code 70A.205.290 - Qualified anaerobic digesters exempt from permitting requirements of chapter -- Definitions on LawServer 2023 Washington Code 70A.205.290 – Qualified anaerobic digesters exempt from permitting requirements of chapter — Definitions 2022 Washington Code 70A.205.290 – Qualified anaerobic digesters exempt from permitting requirements of chapter–Definitions 2020 Washington Code 70A.205.290 – Qualified anaerobic digesters exempt from permitting requirements of chapter — Definitions