Every hemp flower lot in our catalog tests through ISO 17025-accredited, DEA-registered third-party laboratories, sources from USDA-overseen USA-grown hemp supply chains, and ships with full COA documentation. Testing panels cover cannabinoid potency (THCA, Delta-9 THC, CBD, CBG, and minor cannabinoids), Delta-9 THC compliance under the 0.3% federal threshold by dry weight, pesticides, heavy metals (lead, cadmium, mercury, arsenic), microbial contamination (yeast, mold, total aerobic bacteria, E. coli, Salmonella), and mycotoxins. COAs ship with every batch and are available on request.