LEADER 01864nam 2200445I 450 001 9910712833103321 005 20200204124821.0 035 $a(CKB)5470000002497854 035 $a(OCoLC)1138949499 035 $a(EXLCZ)995470000002497854 100 $a20200204j197609 ua 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aReview of EPA contract no. 68-03-0497 on sulfate emission control technology /$fby William H. Hedley, H.H.S. Yu, and A. Wojtowicz 210 1$aAnn Arbor, Michigan :$cEnvironmental Protection Agency, Office of Air and Waste Management, Office of Mobile Source Air Pollution Control, Emission Control Technology Division,$dSeptember 1976. 215 $a1 online resource (iii, 31 pages) $cillustrations 300 $a"EPA-460/3-76-020." 300 $a"September 1976." 517 3 $aReview of Environmental Protection Agency contract number 68-03-0497 on sulfate emission control technology 606 $aSulfates$xTesting 606 $aSulfates$xEnvironmental aspects 606 $aMotor vehicles$xMotors$xExhaust gas$xTesting 606 $aAir quality management$zUnited States 615 0$aSulfates$xTesting. 615 0$aSulfates$xEnvironmental aspects. 615 0$aMotor vehicles$xMotors$xExhaust gas$xTesting. 615 0$aAir quality management 700 $aHedley$b William H.$0278084 702 $aYu$b H. H. S. 702 $aWojtowicz$b A. 712 02$aUnited States.$bEnvironmental Protection Agency.$bOffice of Mobile Source Air Pollution Control.$bEmission Control Technology Division, 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910712833103321 996 $aReview of EPA contract no. 68-03-0497 on sulfate emission control technology$93494759 997 $aUNINA