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Analysis of oxytetracycline, tetracycline, and chlortetracycline in water using solid-phase extraction and liquid chromatography–tandem mass spectrometry

Journal of Chromatography A, 2001-09, Vol.928 (2), p.177-186

2001

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Occurrence of nitrate in groundwater--a review

Journal of environmental quality, 1993-07, Vol.22 (3), p.392-402

1993

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Trace Analysis of Ethanol, MTBE, and Related Oxygenate Compounds in Water Using Solid-Phase Microextraction and Gas Chromatography/Mass Spectrometry

Analytical chemistry (Washington), 2000-10, Vol.72 (19), p.4654-4658

2000

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Controlling Nitrate Leaching in Irrigated Agriculture

Journal of environmental quality, 2001-07, Vol.30 (4), p.1184-1194

2001

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Sensitive determination of RDX, nitroso-RDX metabolites, and other munitions in ground water by solid-phase extraction and isotope dilution liquid chromatography–atmospheric pressure chemical ionization mass spectrometry

Journal of Chromatography A, 1999-06, Vol.844 (1), p.87-95

1999

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Aquifer denitrification as interpreted from in situ microcosm experiments

Journal of environmental quality, 1998-01, Vol.27 (1), p.174-182

1998

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A natural gradient transport study of selected herbicides

Journal of environmental quality, 1995-05, Vol.24 (3), p.445-453

1995

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Enhanced in situ denitrification for a municipal well

Water research (Oxford), 2004-08, Vol.38 (14), p.3382-3388

2004

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Herbicide persistence and mobility in recharge lake watershed in York, Nebraska

Journal of environmental quality, 1997-01, Vol.26 (1), p.115-125

1997

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Determination of atrazine, deethylatrazine and deisopropylatrazine in water and sediment by isotope dilution gas chromatography—mass spectrometry

Analytica chimica acta, 1994-03, Vol.287 (1), p.7-15

1994

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Determination of didealkylatrazine in water by graphitized carbon black extraction followed by gas chromatography-high resolution mass spectrometry

Analytica chimica acta, 1995-03, Vol.304 (1), p.67-73

1995

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Herbicides in Ground Water beneath Nebraska's Management Systems Evaluation Area

Journal of environmental quality, 2003-01, Vol.32 (1), p.92-99

2003

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Effects of sludge disposal on groundwater nitrate concentrations

Journal of hydrology (Amsterdam), 1993, Vol.142 (1), p.213-228

1993

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Kinetic isotope effects in production of nitrite-nitrogen and dinitrogen gas during in situ denitrification

Journal of environmental quality, 1998-01, Vol.27 (1), p.183-191

1998

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Study of pesticide occurrence in two closely spaced lakes in northeastern Nebraska

Journal of environmental quality, 1994-05, Vol.23 (3), p.571-578

1994

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Nonlinear Regression of Breakthrough Curves to Obtain Retardation Factors in a Natural Gradient Field Study

Journal of environmental quality, 1995-05, Vol.24 (3), p.439-444

1995

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N-15 Identification of nonpoint sources of nitrate contamination beneath cropland in the Nebraska Panhandle: two case studies

Applied geochemistry, 1994, Vol.9 (1), p.73-81

1994

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STABLE ISOTOPE CHARACTERIZATION OF THE IMPACTS OF ARTIFICIAL GROUND WATER RECHARGE

Journal of the American Water Resources Association, 1996-12, Vol.32 (6), p.1273-1282

1996

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Applicability of the dual isotopes δ15N and δ18O to identify nitrate in groundwater beneath irrigated cropland

Journal of contaminant hydrology, 2019-01, Vol.220, p.128-135

2019

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Liquid-Solid Extraction and Fast Atom Bombardment High-Resolution Mass Spectrometry for the Determination of Hydroxyatrazine in Water at Low-ppt Levels

Analytical chemistry (Washington), 1994-12, Vol.66 (23), p.4202-4209

1994

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Herbicide trace analysis by high-resolution fast atom bombardment mass spectrometry: quantification of low parts per trillion levels of atrazine in water

Analytical chemistry (Washington), 1993-09, Vol.65 (17), p.2372-2379

1993

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Uranium isotopes in the Platte River drainage basin of the North American High plains Region

Applied geochemistry, 1994-05, Vol.9 (3), p.271-278

1994

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Simultaneous determination of argon and nitrogen

Ground water, 1995-09, Vol.33 (5), p.781-785

1995

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Stream levels of agrichemicals during a spring discharge event

Chemosphere (Oxford), 1989, Vol.19 (8-9), p.1129-1140

1989

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Atrazine, Deethylatrazine, and Deisopropylatrazine Persistence Measured in Groundwater in Situ under Low-Oxygen Conditions

Journal of agricultural and food chemistry, 1998-02, Vol.46 (2), p.749-754

1998

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Analysis of oxytetracycline, tetracycline, and chlortetracycline in water using solid-phase extraction and liquid chromatography–tandem mass spectrometry

Occurrence of nitrate in groundwater--a review

Trace Analysis of Ethanol, MTBE, and Related Oxygenate Compounds in Water Using Solid-Phase Microextraction and Gas Chromatography/Mass Spectrometry

Controlling Nitrate Leaching in Irrigated Agriculture

Sensitive determination of RDX, nitroso-RDX metabolites, and other munitions in ground water by solid-phase extraction and isotope dilution liquid chromatography–atmospheric pressure chemical ionization mass spectrometry

Aquifer denitrification as interpreted from in situ microcosm experiments

A natural gradient transport study of selected herbicides

Enhanced in situ denitrification for a municipal well

Herbicide persistence and mobility in recharge lake watershed in York, Nebraska

Determination of atrazine, deethylatrazine and deisopropylatrazine in water and sediment by isotope dilution gas chromatography—mass spectrometry

Determination of didealkylatrazine in water by graphitized carbon black extraction followed by gas chromatography-high resolution mass spectrometry

Herbicides in Ground Water beneath Nebraska's Management Systems Evaluation Area

Effects of sludge disposal on groundwater nitrate concentrations

Kinetic isotope effects in production of nitrite-nitrogen and dinitrogen gas during in situ denitrification

Study of pesticide occurrence in two closely spaced lakes in northeastern Nebraska

Nonlinear Regression of Breakthrough Curves to Obtain Retardation Factors in a Natural Gradient Field Study

N-15 Identification of nonpoint sources of nitrate contamination beneath cropland in the Nebraska Panhandle: two case studies

STABLE ISOTOPE CHARACTERIZATION OF THE IMPACTS OF ARTIFICIAL GROUND WATER RECHARGE

Applicability of the dual isotopes δ15N and δ18O to identify nitrate in groundwater beneath irrigated cropland

Liquid-Solid Extraction and Fast Atom Bombardment High-Resolution Mass Spectrometry for the Determination of Hydroxyatrazine in Water at Low-ppt Levels

Herbicide trace analysis by high-resolution fast atom bombardment mass spectrometry: quantification of low parts per trillion levels of atrazine in water

Uranium isotopes in the Platte River drainage basin of the North American High plains Region

Simultaneous determination of argon and nitrogen

Stream levels of agrichemicals during a spring discharge event

Atrazine, Deethylatrazine, and Deisopropylatrazine Persistence Measured in Groundwater in Situ under Low-Oxygen Conditions

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