Federal Administrations covered under the DOT drugs and alcohol testing and Return-to-Duty Process:

(Clicking the name of the administration will bring you to it's web site)

• Federal Motor Carriers Safety Administration (FMCSA)
  Drivers, mechanics, management drivers, who need a Commercial Drivers License (CDL) and who drive a Commercial Motor Vehicle (CMV). (49 CFR Part 382; Part 391 Subpart E)

• Federal Aviation Administration (FAA)
  Each person who performs a safety-sensitive function directly or by contract (including by subcontract at any tier.) Those who perform duties as: flight crewmembers; flight attendant; flight instruction; aircraft dispatcher; aircraft maintenance or preventive maintenance; ground security coordinator; aviation screening; air traffic control. (14 CFR Part 121)

• Federal Railroad Administration (FRA)
  Locomotive engineers, trainmen, conductors, switchmen, locomotive hostlers/helpers, utility employees, signalmen, operators and train dispatchers, subject to Hours of Service Act and Co-Worker Report Policy. (49 CFR Part 19; Part 240)

• Federal Transit Authority (FTA)
  Those who provide mass transportation service or which performs safety sensitive function for bus, electric bus, van, automobile, rail car, trolley car, trolley bus or vessel. (49 CFR Part 655)

• United States Coast Guard (USCG)
  Employer, marine employer and crewmember on board a vessel who will navigate, steer, direct, manage or sail a vessel, or control, monitor, or maintain the vessel main or auxiliary equipment or systems. (49 CFR Part 16; Part 4)

• Pipeline and Hazardous Materials Safety Administration (PHMSA)
  Operators maintenance, emergency-response functions who are performing, ready to perform or immediately available to perform covered functions; owners or operators of pipeline facilities, including persons employed by operators, contractors, engaged by operators and persons employed by such contractors. (49 CFR Part 199)

• Department of Transportation ODAPC Website (ODAPC)
  Office of Drug & Alcohol Policy & Compliance; The Department of Transportation (DOT) rule, 49 CFR Part 40, describes required procedures for conducting workplace drug and alcohol testing for the Federally regulated transportation industry.