What Employers Need to Know About DOT Drug and Alcohol Testing guidelines details critical best practices when it comes to running a drug and alcohol program.

The United States Department of Transportation has released an updated version of What Employers Need to Know About DOT Drug and Alcohol Testing, otherwise known as the Employer Handbook. The document is meant to help employers understand best practices on how to run a successful drug program within their business.
The document does not carry any force of law and is meant for strictly educational reasons only.
Click here to review What Employers Need to Know About DOT Drug and Alcohol Testing.
Oct 8, 2025 — Member Update
Jun 10, 2026 - Keith Sonderling will visit Warminster, PA-based Prime Sheet Metal and the Philadelphia chapter to learn more about the challenges and opportunities facing the industry.
Jun 10, 2026 - This annual event connects national leadership with local chapters. Attendees left with clear steps to help their chapters, such as starting new SMACNA initiatives, sharing best practices, and providing feedback to shape industry priorities.
Jun 10, 2026 - Deadline quickly approaching to recognize a SMACNA Contractor for their efforts to advance both our association and our industry.