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Certificate of analysis

Businessman using touch-screen interface for standard control metrics.

A certificate of analysis (COA) is a document containing the results and data from a series of tests performed by an accredited laboratory on a given cannabis product sample to comprehensively determine its cannabinoid and terpene potency profile as well as verify its purity and regulatory compliance. State-licensed laboratories provide COAs as a way to independently certify and validate safety, quality, and contents including THC, CBD, CBN as well as aromatic terpenes. The COA also contains contaminant testing results confirming absence of toxic pesticides, heavy metals, residual solvents, mold, or other microbiological impurities. Conscientious consumers should always look to verify an up-to-date COA is readily available from either the retailer or manufacturer before purchasing any cannabis product in order to ensure its safety and that it meets all acceptable quality standards.

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