01671oam 2200445I 450 991071183430332120190211150830.0(CKB)5470000002487740(OCoLC)1043762126(EXLCZ)99547000000248774020180710d1998 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierNonroad engine population estimates report no. NR-006A /Christian E. Lindhjem[Washington, D.C.] :Nonroad Emissions Modeling Team, Assessment and Modeling Division, EPA, Office of Mobile Sources,1998.1 online resource (18 pages)"EPA-420-P-98-021.""December 9, 1997, revised June 15, 1998."Includes bibliographical references (page 12).EnginesEstimatesUnited StatesAirPollutionUnited StatesForecastingCombustion gasesEnvironmental aspectsUnited StatesForecastingAirPollutionForecastingfastUnited StatesfastEnginesEstimatesAirPollutionForecasting.Combustion gasesEnvironmental aspectsForecasting.AirPollutionForecasting.Lindhjem Christian E.1394235United States.Environmental Protection Agency.Nonroad Emissions Modeling Team,ELCELCGPOBOOK9910711834303321Nonroad engine population estimates report no. NR-006A3497840UNINA