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Plan of study to determine the effect of changes in herbicide use on herbicide concentrations in Midwestern streams
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Determination of chloroacetanilide herbicide metabolites in water using high-performance liquid chromatography-diode array detection and high-performance liquid chromatography/mass spectrometry
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Automated solid-phase extraction on herbicides from water for gas chromatography/mass spectrometry analysis
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Reconnaissance data for selected herbicides, two atrazine metabolites, and nitrate in surface water of the Midwestern United States
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Concentrations of selected herbicides, two triazine metabolites, and nutrients in storm runoff from nine stream basins in the Midwestern United States
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A Reconnaissance for selected herbicides, metabolites, and nutrients in streams of nine Midwestern states
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Enzyme-linked immunosorbent assay compared with gas chromatography/mass spectrometry for the determination of herbicides in water
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Herbicides in surface waters of the mid-western United States - The effect of spring flush
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Methods for collection and processing of surface-water and bed-material samples for physical and chemical analyses
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