Versions of Washington Code 51.32.187 - Exposed workers -- Prima facie presumption of certain occupational diseases -- Rebuttal -- Definitions on LawServer 2023 Washington Code 51.32.187 – Exposed workers — Prima facie presumption of certain occupational diseases — Rebuttal — Definitions 2022 Washington Code 51.32.187 – Exposed workers–Prima facie presumption of certain occupational diseases–Rebuttal–Definitions 2020 Washington Code 51.32.187 – Hanford site workers — Prima facie presumption of certain occupational diseases — Rebuttal — Definitions 2019 Washington Code 51.32.187 2018 Washington Code 51.32.187 – Hanford site workers — Prima facie presumption of certain occupational diseases — Rebuttal — Definitions