Versions of See prior versions of a law on LawServer 2023 Washington Code 28B.20.452 – Occupational and environmental research facility — Industry to share costs 2022 Washington Code 28B.20.452 – Occupational and environmental research facility–Industry to share costs 2020 Washington Code 28B.20.452 – Occupational and environmental research facility — Industry to share costs 2019 Washington Code 28B.20.452 – Occupational and environmental research facility — Industry to share costs 2018 Washington Code 28B.20.452 – Occupational and environmental research facility — Industry to share costs 2016 Washington Code 28B.20.452 – Occupational and environmental research facility–Industry to share costs 2015 Washington Code 28B.20.452 – Occupational and environmental research facility–Industry to share costs 2014 Washington Code 28B.20.452 – Occupational and environmental research facility — Industry to share costs 2013 Washington Code 28B.20.452 – Occupational and environmental research facility — Industry to share costs 2009 Washington Code 28B.20.452 – Occupational and environmental research facility — Industry to share costs