DOT’s oral-fluid drug testing raises safety concerns

Excerpted from a Transport Topics article by Eric Miller The addition later this year of oral-fluid drug testing for marijuana, which typically detects use only for up to 72 hours after use, […]
Excerpted from a Transport Topics article by Eric Miller The addition later this year of oral-fluid drug testing for marijuana, which typically detects use only for up to 72 hours after use, […]