Understanding dabs: contamination concerns of cannabis concentrates and cannabinoid transfer during the act of dabbing

Test were performed on fifty seven (57) concentrate samples being screened for cannabinoid content and the presence of residual solvents or pesticides. The result was that over 80% of the concentrate samples were contaminated in some form. Insist that your products have been tested by reputable analysis companies. This is an older publication but still very relevant. Read the abstract