DOE - Cannabis Science Task Force Steering Committee (December 17, 2020) - Proficiency Testing Work Group - Motion Washington State Department of Ecology (DOE) Source https://www.ezview.wa.gov/...CannabisSTF/Dec%2017%20PT%20Workgroup%20Motions.pdf Published: Friday February 5, 2021 10:57 AM Replications Cannabis Observer Information Set Membership DOE - Cannabis Science Task Force Steering Committee (December 17, 2020) - Information Set