Subpart G—Medical review officers and the verification process
RegSenseMedical review officer (MRO) - Motor CarrierDrug and Alcohol Testing - DOTDrug testing - Motor CarrierOffice of the Secretary of TransportationTransportationSplit specimen - Motor CarrierEnglishFleet SafetyCFR SubpartCFR RegulationsConsortium: third-party administrator (TPA) - Motor CarrierDesignated employer representative (DER) - Motor CarrierDilute specimen - motor carrerRefusal to be tested - Motor CarrierFocus AreaUSA