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035   $a(CKB)5470000002378434
035   $a(OCoLC)51730512
035   $a(EXLCZ)995470000002378434
100   $a20030224d1992      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aWater quality standards for the 21st century$b[electronic resource] $eproceedings of the third national conference, Las Vegas, Nevada, August 31-September 3, 1992 /$f[editor, Karen Swetlow]
210  1$aWashington, D.C. :$cU.S. Environmental Protection Agency, Office of Science and Technology,$d[1992]
215   $a1 volume (various pagings) $cdigital, PDF file
300   $aTitle from title screen (viewed on Feb. 24, 2003).
300   $a"Prepared by Dynamac Corporation under contract no. 68-C0-0070"--P. ii.
300   $a"December 1992."
300   $a"823-R-92-009."
320   $aIncludes bibliographical references.
517   $aWater quality standards for the 21st century 
606   $aWater quality$xStandards$vCongresses
606   $aWater quality management$vCongresses
608   $aConference papers and proceedings.$2lcgft
615  0$aWater quality$xStandards
615  0$aWater quality management
701   $aSwetlow$b Karen$01416649
712 02$aUnited States.$bEnvironmental Protection Agency.$bOffice of Science and Technology.
712 02$aDynamac Corporation.
801  0$bAGL
801  1$bAGL
801  2$bOCLCQ
801  2$bGPO
906   $aBOOK
912   $a9910696440803321
996   $aWater quality standards for the 21st century$93541062
997   $aUNINA