DOE - Cannabis Science Task Force Steering Committee (September 17, 2020) - Proficiency Testing Work Group - Motion Washington State Department of Ecology (DOE) Source https://www.ezview.wa.gov/Portals/_1962/Documents/CannabisSTF/Sept17Motion.pdf Published: Monday September 21, 2020 10:44 AM Replications Cannabis Observer Information Set Membership DOE - Cannabis Science Task Force Steering Committee (September 17, 2020) - Information Set