The order directs expedited rescheduling to Schedule III, but the same agency that's held up oral fluid testing for two years now holds the keys to marijuana testing's future.

The DOT's proposed rule would add fentanyl and norfentanyl to drug testing panels for safety-critical roles such as CMV drivers, with detection thresholds as low as 1 ng/mL in urine. The fentanyl ...

Bus drivers, train engineers and pilots are all considered “safety-sensitive” transportation employees, and therefore subject to drug testing.

The initiative seeks to harmonize DOT testing procedures with HHS guidelines, including updates on urine and oral fluid testing methods. Recent data shows a sharp increase in fentanyl detection in ...