01743nam 2200373 450 991071333210332120200407150349.0(CKB)5470000002500324(OCoLC)1149142420(EXLCZ)99547000000250032420200407d1979 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierEvaluation of restorative maintenance and catalyst replacement on exhaust emissions from eight very high mileage passenger cars in St. Louis /by Gary T. Jones[Ann Arbor, Mich.] :Environmental Protection Agency, Office of Air, Noise and Radiation, Emission Control Technology Division, Technology Assessment and Evaluation Branch,1979.1 online resource (5 pages, 11 unnumbered pages) illustrations"June 1979.""79-10."Includes bibliographical references (page 5).AutomobilesPollution control devicesMaintenance and repairAutomobilesCatalytic convertersAutomobilesPollution control devicesMaintenance and repair.AutomobilesCatalytic converters.Jones Gary T.1400270United States.Environmental Protection Agency.Office of Mobile Source Air Pollution Control.Emission Control Technology Division.Technology Assessment and Evaluation Branch,GPOGPOBOOK9910713332103321Evaluation of restorative maintenance and catalyst replacement on exhaust emissions from eight very high mileage passenger cars in St. Louis3539449UNINA