DOT Breath Alcohol Test (BAT) Purpose of BAT Used to detect the presence of alcohol in employees occupying safety-sensitive positions regulated by DOT. Testing Equipment Administered with evidential breath testing devices approved by the Department of Transportation. Use Case Scenarios Performed during random checks, post-accident incidents, return-to-duty, or reasonable suspicion events. Result Accuracy Results are immediate and legally defensible, with readings clearly indicating Blood Alcohol Concentration (BAC). DOT Compliance Meets all federal requirements under 49 CFR Part 40 with proper recordkeeping and certified technicians.