Stay up-to-date on DOT regulatory information and SAP news.
Industry expert Lee Mauk offers in-depth answers to questions from SAPs, employers and employees.
Lee Mauk is a nationally recognized expert of DOT regulations for drug and alcohol testing, and seasoned consultant about all things SAP.
Want to serve as a U.S. Department of Transportation Substance Abuse Professional (SAP)? Learn about the qualifications and training required.