LEADER 01491nam 2200409 450 001 9910713547703321 005 20200522114244.0 035 $a(CKB)5470000002502187 035 $a(OCoLC)1155201249 035 $a(EXLCZ)995470000002502187 100 $a20200522d1982 ua 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 14$aThe Portland study /$fby H. Anthony Ashby 210 1$a[Ann Arbor, Mich.] :$cTest and Evaluation Branch, Emission Control Technology Division, Office of Mobile Sources, U.S. Environmental Protection Agency,$d1982. 215 $a1 online resource (15 pages) 300 $a"EPA-AA-TEB-82-7." 300 $a"June 1982." 606 $aAutomobiles$zOregon$zPortland$xMaintenance and repair 606 $aAutomobiles$xInspection$zOregon$zPortland 606 $aAutomobiles$xMotors$xExhaust gas$zOregon$zPortland 606 $aAir quality management$zOregon$zPortland 615 0$aAutomobiles$xMaintenance and repair. 615 0$aAutomobiles$xInspection 615 0$aAutomobiles$xMotors$xExhaust gas 615 0$aAir quality management 700 $aAshby$b H. Anthony$01394014 712 02$aUnited States.$bEnvironmental Protection Agency.$bOffice of Mobile Sources.$bTest and Evaluation Branch, 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910713547703321 996 $aThe Portland study$93450749 997 $aUNINA