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100   $a20090316d2004      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 04$aThe EPA particulate matter research program$b[electronic resource] $ewhat have we learned about PM since 1997? : executive summary
210  1$aWashington, DC :$cU.S. Environmental Protection Agency, Office of Research and Development,$d[2004]
215   $a54 pages $cdigital, PDF file
300   $aTitle from title screen (viewed on Mar. 16, 2009).
300   $a"July 2004."
300   $a"EPA 600/S-04/057."
320   $aIncludes bibliographical references (page 54).
517   $aEPA particulate matter research program 
606   $aParticles$xEnvironmental aspects$zUnited States
606   $aAir$xPollution$xResearch$zUnited States
615  0$aParticles$xEnvironmental aspects
615  0$aAir$xPollution$xResearch
712 02$aUnited States.$bEnvironmental Protection Agency.$bOffice of Research and Development.
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910697215503321
996   $aThe EPA particulate matter research program$93467357
997   $aUNINA