Versions of Washington Code 70A.445.030 - Recreational water vessel hull cleaning -- Best practices on LawServer 2023 Washington Code 70A.445.030 – Recreational water vessel hull cleaning — Best practices 2022 Washington Code 70A.445.030 – Recreational water vessel hull cleaning–Best practices 2020 Washington Code 70A.445.030 – Recreational water vessel hull cleaning — Best practices