LEADER 01914nam 2200409Ia 450 001 9910699104403321 005 20230902162040.0 035 $a(CKB)5470000002400857 035 $a(OCoLC)567673828 035 $a(EXLCZ)995470000002400857 100 $a20100323d2009 ua 0 101 0 $aeng 135 $aurcn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 00$aRisk and exposure assessment for review of the secondary national ambient air quality standards for oxides of nitrogen and oxides of sulfur$b[electronic resource]$efinal 210 1$aResearch Triangle Park, N.C. :$cU.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Health and Environmental Impacts Division,$d2009. 215 $a1 online resource (1206 unnumbered pages) $cillustrations (chiefly color), color maps 300 $aTitle from PDF title screen (viewed on Mar. 23, 2010). 300 $a"September 2009." 300 $a"EPA-452/P-09-004a." 300 $a"EPA-452/P-09-004b." 320 $aIncludes bibliographical references. 327 $av. 1. Main content. -- v. 2. Appendices. 517 $aRisk and exposure assessment for review of the secondary national ambient air quality standards for oxides of nitrogen and oxides of sulfur 606 $aNitrogen oxides$xEnvironmental aspects 606 $aSulfur oxides$xEnvironmental aspects 615 0$aNitrogen oxides$xEnvironmental aspects. 615 0$aSulfur oxides$xEnvironmental aspects. 712 02$aUnited States.$bEnvironmental Protection Agency.$bHealth and Environmental Impacts Division. 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910699104403321 996 $aRisk and exposure assessment for review of the secondary national ambient air quality standards for oxides of nitrogen and oxides of sulfur$93445676 997 $aUNINA