LEADER 01787nam  2200445   450 
001 9910699107803321
005 20230902161642.0
035   $a(CKB)5470000002400822
035   $a(OCoLC)842363229
035   $a(EXLCZ)995470000002400822
100   $a20130510d2009      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aParticulate matter urban-focused visibility assessment $eexternal review draft
210  1$aResearch Triangle Park, North Carolina :$cU.S. Environmental Protection Agency, Office of Air and Radiation, Office of Air Quality Planning and Standards, Health and Environmental Impacts Division, Ambient Standards Group,$d2009.
215   $a1 online resource (156 pages in various pagings) $cillustrations (some color)
300   $aTitle from title screen (viewed on May 10, 2013).
300   $a"September 2009."
300   $a"DRAFT - Do not quote or cite."
300   $a"EPA 452/P-09-005."
320   $aIncludes bibliographical references.
517   $aParticulate matter urban-focused visibility assessment 
606   $aParticles$xEnvironmental aspects$zUnited States
606   $aVisibility$xMeasurement
606   $aUrban pollution$zUnited States
606   $aAir quality$xStandards$zUnited States
615  0$aParticles$xEnvironmental aspects
615  0$aVisibility$xMeasurement.
615  0$aUrban pollution
615  0$aAir quality$xStandards
712 02$aUnited States.$bEnvironmental Protection Agency.$bAmbient Standards Group,
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910699107803321
996   $aParticulate matter urban-focused visibility assessment$93479691
997   $aUNINA