DOT Drug & Alcohol Testing Harford County

Certified DOT Drug Testing Facility

Whether you are an employer or employee DOT drug and alcohol testing can be overwhelming. We make the process as easy as possible. Call to set up your company account today.

Who Needs A DOT Drug Test?

For the safety of the traveling public, co-workers and yourself, anyone designated in DOT regulations as a safety-sensitive employee is subject to DOT drug & alcohol testing.

This includes

  • Commercial Driver’s License (CDL) holders
  • DOT certificate holders as directed by state and local laws:
    • Aviation Staff: Flight crews, Flight attendants, flight instructors, air traffic controllers, aircraft dispatchers, aircraft maintenance or preventative, maintenance personnel, ground security coordinators and aviation, screeners.
    • Maritime Crew-members operating a commercial vessel
    • Pipeline Operations, maintenance and emergency response, Railway workers and many other

What Is The Difference Between DOT Drug Test And A Regular Drug Test?

DOT drug tests are mandated by federal regulation. Specimens are to be processed by an offsite DOT lab; results are available within 24-48 hours.  All specimens are bar coded and sent to a federal database registry.

Regular drug tests are performed done on site and results are available immediately for pre-employment, work comp, auto accident defense, child custody, divorce, parole, court ordered, parental etc…

Why Would I Need A DOT Drug Test?

Federal law requires that not less than 25% of all CDL holders have random, annual drug tests. Tests are also performed for the following:

  • Pre-employment
  • Reasonable Suspicion/Cause
  • Return-to-duty
  • Follow-up
  • Post-Accident

What Is Tested in a DOT Drug Test?

DOT drug tests are conducted only using urine specimens and are analyzed for the following:

  • Marijuana metabolites/THC (yes, still illegal)
  • Cocaine metabolites Amphetamines (including methamphetamine, MDMA)
  • Opiates (including codeine, heroin, morphine)
  • Phencyclidine (PCP)

Who Needs A DOT Alcohol Test?

As with drug testing, CDL holders, other drivers and those with safety sensitive jobs must submit to random, annual alcohol testing.

Why Would I Need A DOT Alcohol Test?

Same as DOT Drug Testing:

  • Random
  • Pre-employment,
  • Post-accident
  • Reasonable suspicion
  • Return to duty after long absence.

How is DOT Alcohol test preformed?

At Susquehanna Spine & Rehab our Breath Alcohol Technician (BAT), using only a DOT-approved device, (Same as the police use in DUI screens but ours is actually nicer) will:

  • Establish a private testing area to prevent unauthorized people from hearing or
    seeing your test result.
  • Perform a screening test and show you the test result.
  • The technician will document the result on the ATF, provide you a copy and provide your employer a copy

DOT Drug & Alcohol Results:

  • DOT Drug: Copies chain of custody paperwork is given to the employee in a sealed envelop marked confidential. Results will follow via fax when available.
  • Alcohol: results will be given to employee and a copy in a sealed envelope marked confidential.  (Employers may request fax)
  • Your test results are confidential. But may be released to the following without your consent
    • Your employer or service agent for the employer
    • Legal proceedings or grievances
    • Administrative proceedings brought by you or on your behalf, which resulted from a positive or refusal.


I Do Not Believe I Need A Dot Drug Or Alcohol Test. What Do I Do?

Remember: You are obligated by law to submit to and cooperate in drug & alcohol testing as mandated by DOT regulations.

  • Do Not refuse to submit to any test for alcohol or controlled substances
  • Do Not refuse to submit to any test by adulterating or substituting your specimen
  • Cooperate with all instructions for Drug & Alcohol testing as instructed by your employer
  • If you do not agree with your employer’s rationale for requesting the test; take the test anyway. Express concerns to employer after test.