CDL Holders in Non-Driving Positions: What Happens When They Stay in the Testing Pool

May 2, 2025

Ophthalmologist's Department

The Scenario

Imagine this: a CDL holder used to drive a commercial motor vehicle (CMV) but has since moved into a completely different role that is no longer safety-sensitive under DOT regulations. However, the company neglects to remove them from the random testing pool. The employee is selected for a random test, they take it, and unfortunately, the result comes back positive. What happens next? And more importantly, what should have been done to prevent this?

Why It’s an Issue

The crux of the problem lies in testing pool eligibility. Under DOT regulations, only employees performing safety-sensitive functions should remain in the random testing pool. Safety-sensitive functions include roles like operating a CMV or being a mechanic who may road test vehicles. If a CDL holder transitions to a position where they no longer perform these duties, they should be removed from the pool.

When a company fails to remove such employees from the pool, it creates what DOT calls a “muddying of the pool.” This not only increases compliance risks for the employer but also subjects employees to unnecessary testing, which could lead to unfair consequences—like a positive test result being recorded even though the employee is no longer in a safety-sensitive role.

Key Regulatory Guidance

ODAPC Oversight

The Office of Drug and Alcohol Policy and Compliance (ODAPC) focuses on who gets tested and how testing is conducted. In this case, the issue falls under ODAPC's purview, not the Federal Motor Carrier Safety Administration (FMCSA), as it’s about proper testing pool management.

90-Day Rule for Removed Employees

DOT guidelines state that employees who have been out of safety-sensitive roles for 90 days or more can be removed from the pool. However, many employers fail to act, either due to oversight or reluctance. This can lead to noncompliance and complications if a positive test result occurs.

Prolonged Inactivity

If a CDL holder has been in a non-safety-sensitive role for over a year, it’s especially critical that their name is removed from the testing pool. Keeping them in the pool for such an extended period without valid reasons risks violating DOT regulations.

Preventing Compliance Issues

For Employers:

  1. Review and update testing pools regularly: Periodically audit your random testing pool to ensure it only includes employees performing safety-sensitive functions.

  2. Document role changes: Maintain clear records of employees transitioning out of safety-sensitive roles, including the date of the change and any corresponding updates to the testing pool.

  3. Communicate with employees: Educate supervisors and employees on testing pool criteria to avoid confusion and ensure timely adjustments.

For Employees:

  1. Understand your rights: If you have moved into a different role, confirm with your employer whether you are still considered safety-sensitive. If not, you should no longer be subject to DOT testing.

  2. Raise concerns: If you believe you are wrongly included in the testing pool, bring it to your employer’s attention. You can also seek guidance from DOT if needed.

Final Thoughts

This scenario highlights the importance of proper testing pool management. Employers have a responsibility to ensure that only employees performing safety-sensitive duties remain in the random testing pool. Failure to do so not only creates compliance risks but also unfairly exposes employees to unnecessary testing.

If you’re dealing with this kind of situation, remember: it’s not just about ticking regulatory boxes—it’s about fairness and proper adherence to DOT rules. Taking proactive steps can save everyone involved from unnecessary headaches and compliance issues.

Karishma Sarfani

Karishma is a Qualified Substance Abuse Professional (SAP) with a background in mental health and substance abuse counseling, holding credentials as an MS, LCDC, ICADC, CADC II, CSAC, CASAC II, LPC, and EMDR-trained therapist. Inspired by personal experiences with addiction and mental health challenges in her community, she has dedicated her career to supporting individuals on their journey to recovery and success.