01653nam 2200373Ka 450 991069763820332120081016122711.0(CKB)5470000002390582(OCoLC)262617254(EXLCZ)99547000000239058220081016d2001 ua 0engtxtrdacontentcrdamediacrrdacarrierMethods of analysis by the U.S. Geological Survey National Water Quality Laboratory[electronic resource] determination of pesticides in water by graphitized carbon-based solid-phase extraction and high-performance liquid chromatography/mass spectrometry /by Edward T. Furlong ... [and others]Denver, Colo. :U.S. Dept. of the Interior, U.S. Geological Survey,2001.vii, 73 pages digital, PDF fileWater-resources investigations report ;01-4134Title from title screen (viewed Oct. 16, 2008).Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory PesticidesEnvironmental aspectsUnited StatesWater quality managementUnited StatesMethodologyPesticidesEnvironmental aspectsWater quality managementMethodology.Furlong Edward T1403544Geological Survey (U.S.)National Water-Quality Laboratory (U.S.)GPOGPOBOOK9910697638203321Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory3516361UNINA