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001 9910713730703321
005 20200810091537.0
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100   $a20200518j202001    ua             0
101 0 $aeng
135   $aurc||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aWhirling swirling air pollution
210  1$a[Research Triangle Park, N.C.] :$c[U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards],$d2020.
215   $a1 online resource (3 pages)
300   $a"January 2020."
300   $a"EPA-456/B-20-005."
300   $a"Adapted from the Air and Waste Management Association Environmental Resource Guide for Air Quality."
300   $a"Air Quality Flag Program."
606   $aAir quality$xStudy and teaching (Secondary)
606   $aPollutants$xStudy and teaching (Secondary)
606   $aAir$xPollution$xExperiments
606   $aEnvironmental education$xActivity programs
608   $aLesson plans.$2lcgft
615  0$aAir quality$xStudy and teaching (Secondary)
615  0$aPollutants$xStudy and teaching (Secondary)
615  0$aAir$xPollution$xExperiments.
615  0$aEnvironmental education$xActivity programs.
712 02$aUnited States.$bEnvironmental Protection Agency.$bOffice of Air Quality Planning and Standards,
712 02$aAir Quality Flag Program (U.S.),
801  0$bEKB
801  1$bEKB
801  2$bEJB
801  2$bGPO
906   $aBOOK
912   $a9910713730703321
996   $aWhirling swirling air pollution$93279507
997   $aUNINA