The DOT agencies (the Federal Aviation Administration [aviation], the Federal Motor Carrier Safety Administration [trucking], the Federal Railroad Administration [rail], the Federal Transit Administration [mass transit] and the Pipeline and Hazardous Materials Safety Administration [pipeline]) and the United States Coast Guard (USCG) [maritime] each have industry specific regulations which in total cover approximately 12.1 million transportation employees who perform safety-sensitive functions. These regulations spell out who is subject to testing, when and in what circumstances.If you are an employer in the aviation, trucking, railroad, mass transit, pipeline or maritime industries, or if you have employees who perform DOT identified safety-sensitive positions, you must implement whichever regulation(s) apply.
If you are an employee in the aviation, trucking, railroad, mass transit, pipeline or maritime industries, or if you work in a DOT identified safety-sensitive position, you must comply with whichever regulation(s) apply.
The DOT also has procedures which apply to all transportation employee Federal testing which can be found in another regulation, referred to here as "Part 40
." Each of the DOT agencies and the USCG follow Part 40
by including its procedures in their regulations. Part 40
states: what specimens are collected; who performs the drug and alcohol tests; how to conduct those tests; what procedures to use when testing, and the mandatory return to duty requirements of an employee returning to safety-sensitive service following a DOT drug and/or alcohol rule violation.