DOE - Cannabis Science Task Force Steering Committee (August 20, 2020) - Proficiency Testing Work Group - Motion - Screenshot Washington State Department of Ecology (DOE) Source https://drive.google.com/open?id=1Gv5O56P3J-89kCDvvx0RW1DV2I0lh_z4 Information Set Membership DOE - Cannabis Science Task Force Steering Committee (August 20, 2020) - Information Set