01700nam 2200421I 450 991071347190332120200422085817.0(CKB)5470000002500932(OCoLC)1151543507(EXLCZ)99547000000250093220200422j197108 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierExhaust emissions from controlled and uncontrolled vehicles using the "Pollution Master" emission control device /John C. Thomson[Ann Arbor, Mich.?] :Office of Air Programs, Environmental Protection Agency,August 1971.1 online resource (approximately 32 pages) illustrations"August 1971.""72-1."Report number assigned by the National Service Center for Environmental Publications (NSCEP); TAEB721.Chiefly tables.Motor vehiclesPollution control devicesTestingAutomobilesMotorsExhaust gasMeasurementAirPollutionResearchTechnical reports.lcgftMotor vehiclesPollution control devicesTesting.AutomobilesMotorsExhaust gasMeasurement.AirPollutionResearch.Thomson John C.65120United States.Environmental Protection Agency.Office of Air Programs,GPOGPOBOOK9910713471903321Exhaust emissions from controlled and uncontrolled vehicles using the "Pollution Master" emission control device3522388UNINA