02412nam 2200541I 450 991071284650332120200130143411.0(CKB)5470000002497718(OCoLC)1138033159(EXLCZ)99547000000249771820200130j198103 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrier1972-73 heavy-duty engine baseline program and NOx emission standard development /Timothy Cox [and four others][Ann Arbor, Mich.] :Standards Development and Support Branch, Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air, Noise and Radiation, U.S. Environmental Protection Agency,March 1981.1 online resource (2 volumes) illustrations"March 1981.""EPA-AA-SDSB-81-01."Report number for Appendix A assigned by the National Service Center for Environmental Publications (NSCEP); SDSB8101A.Chiefly tables.Includes bibliographical references.Report -- Appendix A.1972-73 heavy-duty engine baseline program and oxides of nitrogen emission standard developmentEnginesStandardsUnited StatesEnginesTestingNitrogen oxidesStandardsMotor vehiclesMotorsExhaust gasMeasurementMotor vehiclesMotorsExhaust gasAnalysisAtmospheric nitrogen oxidesAirPollutionStandardsUnited StatesEnginesStandardsEnginesTesting.Nitrogen oxidesStandards.Motor vehiclesMotorsExhaust gasMeasurement.Motor vehiclesMotorsExhaust gasAnalysis.Atmospheric nitrogen oxides.AirPollutionStandardsCox Timothy1394229United States.Environmental Protection Agency.Office of Mobile Source Air Pollution Control.Emission Control Technology Division.Standards Development and Support Branch,GPOGPOBOOK99107128465033211972-73 heavy-duty engine baseline program and NOx emission standard development3451308UNINA