Proficiency Testing Information

The Marijuana Enforcement Division has contracted with two third-party Proficiency Testing (PT) providers for Contaminants: metals, microbial, mycotoxins residual solvents, and pesticides, and the Department of Public Health and Environment's Laboratory Services for Potency. The Division is requiring licensed Testing Facilities to participate in Proficiency Testing in these categories (Contaminants and Potency) to maintain or obtain certification. Successful participation in Proficiency Testing is a requirement for certification according to MED Rules 5-415, 5-435, 6-415, and 6-435. Contact the following providers directly for further details on the process and cost of each Proficiency Testing event. Feel free to contact Brandon Jeffery with more general questions should they arise.

MED Approved Proficiency Testing Vendors: