LEADER 01671oam 2200445I 450 001 9910711834303321 005 20190211150830.0 035 $a(CKB)5470000002487740 035 $a(OCoLC)1043762126 035 $a(EXLCZ)995470000002487740 100 $a20180710d1998 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aNonroad engine population estimates report no. NR-006A /$fChristian E. Lindhjem 210 1$a[Washington, D.C.] :$cNonroad Emissions Modeling Team, Assessment and Modeling Division, EPA, Office of Mobile Sources,$d1998. 215 $a1 online resource (18 pages) 300 $a"EPA-420-P-98-021." 300 $a"December 9, 1997, revised June 15, 1998." 320 $aIncludes bibliographical references (page 12). 606 $aEngines$xEstimates$zUnited States 606 $aAir$xPollution$zUnited States$xForecasting 606 $aCombustion gases$xEnvironmental aspects$zUnited States$xForecasting 606 $aAir$xPollution$xForecasting$2fast 607 $aUnited States$2fast 615 0$aEngines$xEstimates 615 0$aAir$xPollution$xForecasting. 615 0$aCombustion gases$xEnvironmental aspects$xForecasting. 615 7$aAir$xPollution$xForecasting. 700 $aLindhjem$b Christian E.$01394235 712 02$aUnited States.$bEnvironmental Protection Agency.$bNonroad Emissions Modeling Team, 801 0$bELC 801 1$bELC 801 2$bGPO 906 $aBOOK 912 $a9910711834303321 996 $aNonroad engine population estimates report no. NR-006A$93497840 997 $aUNINA