June 6, 2023

AOAC and its test material provider Signature Science LLC are sending the first > 0.3% THC Cannabis samples for Proficiency Testing to laboratories. Samples were shipped Monday, June 5. Participating laboratories have the required DEA License and appropriate documentation for receiving these samples. This first round of cannabis samples allows the participating laboratories to analyze and report for 18 cannabinoids and totals, 33 terpenes, Moisture, Water Activity, and 12 Heavy Metals. To learn more about our Hemp and Cannabis proficiency testing programs that allow labs to receive ready to analyze, like routine samples, contact our PT staff.