01720nam 2200409 450 991071353260332120200528133536.0(CKB)5470000002502339(OCoLC)1155638249(EXLCZ)99547000000250233920200528d1975 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierIncorporation of a test for exhaust sulfate emissions into the federal emission testing procedure /by Michael W. Leiferman[Ann Arbor, Mich.] :U.S. Environmental Protection Agency, Office of Air and Waste Management, Office of Mobile Source Air Pollution Control, Emission Control Technology Division, Standards Development and Support Branch,1975.1 online resource (various pagings) illustrations"December 1975."Includes bibliographical references.SulfatesAirPollutionUnited StatesAutomobilesMotorsExhaust gasAir quality managementSulfates.AirPollutionAutomobilesMotorsExhaust gas.Air quality management.Leiferman Michael W.1394230United States.Environmental Protection Agency.Office of Mobile Source Air Pollution Control.Emission Control Technology Division.Standards Development and Support Branch,GPOGPOBOOK9910713532603321Incorporation of a test for exhaust sulfate emissions into the federal emission testing procedure3462268UNINA