Versions of Washington Code 70A.300.050 - Solid wastes -- Conditionally exempt from chapter on LawServer 2023 Washington Code 70A.300.050 – Solid wastes — Conditionally exempt from chapter 2022 Washington Code 70A.300.050 – Solid wastes–Conditionally exempt from chapter 2020 Washington Code 70A.300.050 – Solid wastes — Conditionally exempt from chapter
