ORACL Cannabis Testing Labs Sample Certificate of Analysis (COAs) Post author:Keith Post published:April 10, 2019 Post category:Uncategorized Post comments:0 Comments Cannabinoid Potency COA Sample COA Cannabinoids – Potency. Medical Cannabis Testing. Medical Marijuana Testing. Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. Notify me of follow-up comments by email. Notify me of new posts by email.