WSDA - Cannabis Testing Lab Quality Standards
(January 10, 2023)

In 2022, the Washington State Legislature passed HB 1859 requiring the Washington State Department of Agriculture (WSDA) to establish and maintain cannabis testing laboratory quality standards by rule. The standards must include but are not limited to: approved methods for testing cannabis for compliance with product standards established by rule by the Washington State Liquor and Cannabis Board (WSLCB) or the Washington State Department of Health (DOH); method validation protocols; and performance measures and criteria applied to testing of cannabis products.