Subpart R—Public interest exclusions
RegSenseMedical review officer (MRO) - Motor CarrierFleet SafetyCFR SubpartDrug and Alcohol Testing - DOTCFR RegulationsOffice of the Secretary of TransportationBreath alcohol technician - Motor CarrierConsortium: third-party administrator (TPA) - Motor CarrierFocus AreaSubstance abuse professional (SAP) - Motor CarrierEnglishTransportationUSA