Subpart M—Alcohol confirmation tests
RegSenseEvidential breath testing device (EBT) - Motor CarrierEnglishFleet SafetyCFR SubpartDrug and Alcohol Testing - DOTCFR RegulationsOffice of the Secretary of TransportationBreath alcohol technician - Motor CarrierFocus AreaDesignated employer representative (DER) - Motor CarrierAlcohol testing - Motor CarrierTransportationUSA