Versions of See prior versions of a law on LawServer 2023 Washington Code 70A.15.4530 – Odors or fugitive dust caused by agricultural activities consistent with good agricultural practices exempt from chapter 2022 Washington Code 70A.15.4530 – Odors or fugitive dust caused by agricultural activities consistent with good agricultural practices exempt from chapter 2020 Washington Code 70A.15.4530 – Odors or fugitive dust caused by agricultural activities consistent with good agricultural practices exempt from chapter