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Search Results : EPA National Library Catalog

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Select Item Title Year Published
  1 Concentration of selected sulfonylurea, sulfonamide, and imidazolinone herbicides, other pesticides, and nutrients in 71 streams, 5 reservoir outflows, and 25 wells in the midwestern United States, 1998 [electronic resource] / 2001
  2 Determination of wastewater compounds in sediment and soil by pressurized solvent extraction, solid-phase extraction, and capillary-column gas chromatography/mass spectrometry 2006
  3 Determination of wastewater compounds in sediment and soil by pressurized solvent extraction, solid-phase extraction, and capillary-column gas chromatography/mass spectrometry {electronic resource} / 2006
  4 Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory : arsenic speciation in natural-water samples using laboratory and field methods / 2002
  5 Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory arsenic speciation in natural-water samples using laboratory and field methods / {electronic resource} : 2002



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