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DOT Drug Testing

Employees in safety-sensitive roles, as defined by the Department of Transportation (DOT), are required to undergo drug and alcohol testing to ensure public safety and regulatory compliance. Testing uses urine samples to screen for substances, including marijuana metabolites, cocaine, amphetamines, and opiates.

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Why Get Tested?

Drug and alcohol testing is essential for maintaining safety in Department of Transportation (DOT) - regulated, safety-sensitive roles. Testing begins with a pre-employment drug screen, which must return a negative result before any work can begin. Throughout employment, individuals are subject to random drug and alcohol tests to ensure ongoing compliance. Alcohol tests may be conducted just before, during, or after performing safety-sensitive duties. Post-accident testing is required when certain criteria are met, and reasonable suspicion testing may be ordered if a trained supervisor believes an employee may be under the influence. If an employee violates DOT rules, they must complete a return-to-duty test under direct observation. They are then placed in a follow-up testing program with a minimum of six unannounced tests in the first year, and possibly continued testing for up to five years as determined by a Substance Abuse Professional (SAP). Employers are responsible for ensuring all required testing is completed as directed. 

Who Is Tested?

Federal Aviation Administration

Federal Aviation Administration

Federal Aviation Administration

FAA regulations apply to aviation professionals whose roles impact public safety. This includes flight crews, flight attendants, instructors, dispatchers, maintenance personnel, and certain air traffic controllers. 

Commercial Motor Carriers

Federal Aviation Administration

Federal Aviation Administration

Commercial drivers with a commercial drivers license are subject to testing if they operate vehicles over 26,000 lbs, transport hazardous materials, or carry 16 or more passengers. These drivers must comply with strict DOT drug and alcohol testing protocols. 

Federal Railroad Administration

Federal Aviation Administration

Railroad employees in safety-sensitive positions must comply with FRA testing regulations. This includes train operators, dispatchers, and workers involved in signal systems and maintenance.

Federal Transit Administration

DOT testing applies to transit employees such as vehicle operators, mechanics, controllers, and armed security. These roles require a high level of safety assurance and are closely regulated.

US Coast Guard

Pipeline and Hazardous Materials Safety Administration

Crewmembers working aboard commercial vessels are required to comply with DOT testing under USCG regulations. These requirements apply to maritime operations involving passenger or cargo transport.

Pipeline and Hazardous Materials Safety Administration

Pipeline and Hazardous Materials Safety Administration

Employees involved in the operation or maintenance of pipelines and hazardous material systems must follow PHMSA testing rules. This ensures safety in environments handling volatile or high-risk substances.

What to Expect During Testing?

During a DOT drug test, the individual being tested will be guided through a standardized collection process in accordance with federal regulations. Our certified collectors will verify identification, explain the procedures, and ensure that all required protocols are followed precisely. The collection process is designed to ensure the accuracy and validity of each test. 

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