Drug Free Workplace

DOT Agencies

Are You Mandated by the DOT to Drug Test?

Let Occupational Drug Testing be your number one resource when it comes to DOT drug testing requirements. Click here for the Department of Transportation "Am I Covered by DOT Drug & Alcohol Testing Regulations" Questionnaire.

FMCSA Requirement

If your employee is required to have a CDL license or is in a safey sensitive position, they fall under the drug testing requirements. For more information on FMCSA testing guidelines, visit our FMCSA drug testing page, or go directly to the FMCSA Website. The following types of employees fall under the FMCSA rule:

- Anyone who owns or leases commercial motor vehicles

- Anyone who assigns drivers to operate commercial motor vehicles

- Federal, State, and local governments

- Private motor carriers

- Civic organizations

- Churches

FTA Requirement 49 CFR 655.3

If your company receives Federal Transit funds under 49 U.S.C. 5307,5309, and 5311 and 23 U.S.C. 103(e)(4), or your company is a contractor to a recipient or subrecipient of Federal Assistance, then you must test safety sensitive employees. The following types of employees fall under the FTA rule:

- Anyone who operates a revenue service vehicle

- Operating a nonrevenue service vehicle, when required to hold a CDL 

- Anyone who controls dispatch or movement of a revenue service vehicle

- Anyone who maintains, repairs, or rebuilds a revenue service vehicle or equipment used in a revenue service vehicle

FAA Requirement 14 CFR 120.105/215

All safety sensitive employees in aviation must be tested. This includes the employee, assistant, helper, or someone in training status. The following employees fall under the FAA requirement:

- Flight crewmember duties

- Flight attendant duties

- Flight instruction duties

- Aircraft dispatcher duties

- Aircraft maintenance and preventive maintenance duties

- Groud security coordinator duties

- Aviation screening duties

- Air traffic control duties

FRA Requirement 49 CFR 219.5

Any person who has been assigned to perform service which is subject to the hours of service laws during a duty tour. For hours of service laws, see 49 U.S.C. 211. The requirement includes:

- Dispatching employee, means an operator, train dispatcher or other train employee who affects train movements

- Signal employee, who is engaged in installing, repairing, or maintaining signal systems

- Train employee, who is an individual engaged in or connected with the movement of a train


USCG Requirement 46 CFR 16


PHMSA Requirement 49 CFR Part 199

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