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100   $a20210709d1973      ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 14$aThe Administration's proposal for relaxation of air pollution standards $ehearing before the Subcommittee on Air and Water Pollution of the Committee on Public Works, United States Senate, Ninety-third Congress, first session, September 18, 1973
210  1$aWashington :$cU.S. Government Printing Office,$d1973.
215   $a1 online resource (iii, 130 pages) $cillustrations
300   $a"Serial no. 93-H19."
320   $aIncludes bibliographical references.
517   $aAdministration's proposal for relaxation of air pollution standards 
606   $aAir$xPollution$xStandards$zUnited States
608   $aLegislative hearings.$2lcgft
615  0$aAir$xPollution$xStandards
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910716654703321
996   $aThe Administration's proposal for relaxation of air pollution standards$93480158
997   $aUNINA