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100   $a20081016d2001      ua             0
101 0 $aeng
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aMethods of analysis by the U.S. Geological Survey National Water Quality Laboratory$b[electronic resource] $edetermination of pesticides in water by graphitized carbon-based solid-phase extraction and high-performance liquid chromatography/mass spectrometry /$fby Edward T. Furlong ... [and others]
210  1$aDenver, Colo. :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2001.
215   $avii, 73 pages $cdigital, PDF file
225 1 $aWater-resources investigations report ;$v01-4134
300   $aTitle from title screen (viewed Oct. 16, 2008).
517   $aMethods of analysis by the U.S. Geological Survey National Water Quality Laboratory 
606   $aPesticides$xEnvironmental aspects$zUnited States
606   $aWater quality management$zUnited States$xMethodology
615  0$aPesticides$xEnvironmental aspects
615  0$aWater quality management$xMethodology.
701   $aFurlong$b Edward T$01403544
712 02$aGeological Survey (U.S.)
712 02$aNational Water-Quality Laboratory (U.S.)
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910697638203321
996   $aMethods of analysis by the U.S. Geological Survey National Water Quality Laboratory$93516361
997   $aUNINA