Versions of Washington Code 89.08.625 - Methods for measuring, estimating, and verifying outcomes on LawServer 2023 Washington Code 89.08.625 – Methods for measuring, estimating, and verifying outcomes 2022 Washington Code 89.08.625 – Methods for measuring, estimating, and verifying outcomes 2020 Washington Code 89.08.625 – Methods for measuring, estimating, and verifying outcomes