Many federal employees have asked "How do I know if I am subject to the U.S. Department of Transportation Random drug/and or alcohol testing?"
To answer this question, we have developed the following decision tree to assist you in determining if you are covered for Random drug/and or alcohol testing or not. The decision tree is only a guide and does not replace or supersede the actual policy.
This tool was provided for the purpose of helping you determine your Testing Designated Position (TDP) status. All results should be verified with your supervisor or the SAATO.
The decision tree begins by answering this simple question: