Medically reviewed by Femi Aremu, PharmD Key Takeaways A urine test can detect THC for up to 30 days after use.THC is detectable in blood for the shortest time, up to 12 hours, but can stay longer in ...

Arizona dispensaries are required to test cannabis products for potency and contaminants. Testing regulations, implemented in 2020, cover potency and contamination from microbials, heavy metals and ...