LEADER 01723oam  2200469 a 450 
001 9910697008803321
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035   $a(CKB)5470000002384818
035   $a(OCoLC)613958553
035   $a(EXLCZ)995470000002384818
100   $a20100513d2010      ua             0
101 0 $aeng
135   $aurcn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aParticulate matter urban-focused visibility assessment$b[electronic resource] $esecond external review draft
210  1$aResearch Triangle Park, N.C. :$cU.S. Environmental Protection Agency, Office of Air and Radiation, Office of Air Quality Planning and Standards,$d[2010]
215   $a1 online resource (246 unnumbered pages) $cillustrations (some color)
300   $aTitle from title screen (viewed May 12, 2010).
300   $a"January 2010."
300   $a"DRAFT - Do not quote or cite."
300   $a"EPA 452/P-10-002."
300   $aSupersedes 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
801  0$bGPO
801  1$bGPO
801  2$bOCLCQ
801  2$bGPO
906   $aBOOK
912   $a9910697008803321
996   $aParticulate matter urban-focused visibility assessment$93479691
997   $aUNINA