A new report from Quest Diagnostics revealed that employees testing positive for fentanyl had surged 400 percent over the past five years. The percentage of employees in the general U.S. workforce who ...
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 ...
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