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035   $a(OCoLC)1140644619
035   $a(EXLCZ)995470000002500320
100   $a20200206d2019      ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aGuidance on regional haze state implementation plans for the second implementation period
210  1$aResearch Triangle Park, North Carolina :$cU.S. Environmental Protection Agency, Office of Air Quality Planning and Standards, Air Quality Policy Division,$d2019.
215   $a1 online resource (various pagings)
300   $a"August 2019."
300   $a"EPA-457/B-19-003."
320   $aIncludes bibliographical references.
606   $aHaze$xStandards$zUnited States
606   $aAir quality$xGovernment policy$zUnited States
606   $aHaze$xEnvironmental aspects$zUnited States
606   $aAir quality$xGovernment policy$2fast
606   $aHaze$xEnvironmental aspects$2fast
607   $aUnited States$2fast
615  0$aHaze$xStandards
615  0$aAir quality$xGovernment policy
615  0$aHaze$xEnvironmental aspects
615  7$aAir quality$xGovernment policy.
615  7$aHaze$xEnvironmental aspects.
712 02$aUnited States.$bEnvironmental Protection Agency.$bAir Quality Policy Division,
801  0$bEKB
801  1$bEKB
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910713332503321
996   $aGuidance on regional haze state implementation plans for the second implementation period$93297193
997   $aUNINA