In a professional context, such as a doctor's office, a SAP Evaluation for substance use often lasts up to an hour. The subject of the assessment will be questioned regarding their present level of mental and physical health as well as their past history of substance use. The evaluation will also include a drug or alcohol test in the urine or blood. The DOT (Department of Transportation) mandates that all DOT drivers pass a drug test before being granted a licence. (SAP Evaluation near me) The