How To Verify The Cannabis Lab Found On The COA

Female lab technician in a cannabis testing laboratory, wearing safety goggles and a white lab coat, closely examining a Certificate of Analysis (COA) in her hands. Laboratory equipment is visible in the background alongside a vibrant cannabis plant, highlighting the setting’s focus on cannabis testing and analysis.

Learn how to verify cannabis testing laboratories using official DEA licenses, state databases, and ISO certifications. This comprehensive guide helps you ensure your Certificate of Analysis (COA) comes from a legitimate, accredited laboratory.