Free field guide / Edition 01
Read the record behind the result.
A COA is not one universal quality score. Identity, purity, quantity, traceability, and separate safety tests answer different questions.
Last reviewed July 21, 2026What the guide covers
01Match
Report, sample, lot or batch, dates, and issuer.
02Method
Which test was run and which question it can answer.
03Result
Value, units, specification, and reported uncertainty.
04Limits
What the document and method do not establish.
Before you open it
The guide teaches document literacy. It does not authenticate a specific report, rank a supplier, establish fitness for use, or provide medical, sourcing, or purchasing guidance.
Download the complete guidePDF · 3.1 MB · Sources included