SAPlist is the #1 online directory for Substance Abuse Professionals (SAPs)

If an employee’s DOT drug and alcohol test comes back positive, the next step is an evaluation with a Substance Abuse Professional (SAP). Search our directory to find SAPs in your area, and create a list to print or email.

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DOT’s Return to Duty Process

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Continuing Education for SAPs

SAPlist UMeet your SAP continuing ed requirements with free study guides and SAPlist U online continuing ed quizzes.

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DOT Regulations and Compliance

Learn about DOT regulations related to drugs and alcohol, including details about 49 CFR Part 40.

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SAPlist Blog

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Become a SAPlist member

SAPlist maintains the #1 online SAP directory, which people nationwide use to find SAPs. Become a member of SAPlist to include your name and profile in the directory, and attract new SAP business.

Frequently Asked Questions

Can you self-study to become a SAP? Who pays a SAP’s fees—the employee or employer? Industry expert Lee Mauk offers in-depth answers to questions from SAPs, employers and employees.

Ask Lee

Lee Mauk is a nationally recognized expert of DOT regulations for drug and alcohol testing, and seasoned consultant about all things SAP.