The Department of Transportation is proposing to add new drug testing guidelines that would permit motor carriers to test truck drivers using oral fluid samples as an alternative to urine testing.

It’s been a long time in the works, but the U.S. Department of Transportation has published a final rule that amends the federal regulated industry drug-testing program to include oral fluid specimen ...

June 1 was supposed to be the red-letter day for oral-fluid testing for drug use among transportation employees and truck drivers—except it wasn't. A year after proposed rulemaking, a May 2 decision ...

A mouth swab drug test detects substances in a person’s system by checking for the presence of drugs or alcohol in the saliva. People may also refer to a mouth swab drug test as an oral fluid drug ...