Versions of See prior versions of a law on LawServer 2023 Washington Code 70A.384.050 – Additional powers and duties of director — Site closure account — Perpetual surveillance and maintenance account 2022 Washington Code 70A.384.050 – Additional powers and duties of director–Site closure account–Perpetual surveillance and maintenance account 2020 Washington Code 70A.384.050 – Additional powers and duties of director — Site closure account — Perpetual surveillance and maintenance account