THC detection times vary by test type, lasting up to 12 hours in blood, 24-48 hours in saliva, up to 30 days in urine (on the longer side with frequent use), and up to 90 days in hair. How long THC ...

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 ...

New 2026 cannabis bills in Mississippi, Hawaii, and Nebraska reveal the next wave of drug testing challenges for employers.