DOE - Cannabis Science Task Force Steering Committee (September 17, 2020) - Heavy Metals Work Group - Presentation Washington State Department of Ecology (DOE) Source https://www.ezview.wa.gov/...s/CannabisSTF/September%20Metals%20AWG%20update.pdf Published: Monday September 21, 2020 10:48 AM Replications Cannabis Observer Information Set Membership DOE - Cannabis Science Task Force Steering Committee (September 17, 2020) - Information Set