When you’re responsible for safety and compliance, whether you’re an employer, a safety manager, or an individual with court or workplace requirements, you’ll see the term 5-panel drug test expanded opiates a lot.

If you have ever wondered what is in a 4 panel drug test, this article will explain the components, how it works, and why it is important.

DOT drug tests are mandatory for all CDL drivers to promote safety and reduce accidents caused by impaired driving.

When it comes to compliance with drug and alcohol testing regulations in the transportation industry, employers and employees alike must understand the specific terminologies set forth by the Department of Transportation (DOT).