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U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5179

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Appendixes

Data files are presented in four Microsoft^® Excel workbooks. The appendixes can be accessed and downloaded below.

Appendix A. Pesticide concentrations in shallow ground-water samples collected from agricultural and urban areas within regional National Water-Quality Assessment Program study units in the arid to semiarid Western United States, 1993–2004.

Appendix B. Volatile organic compound concentrations in shallow ground-water samples collected from agricultural and urban areas within regional National Water-Quality Assessment Program study units in the arid to semiarid Western United States, 1993–2004.

Appendix C. Nutrient concentration in shallow ground-water samples collected from agricultural and urban areas within regional National Water-Quality Assessment Program study units in the arid to semiarid Western United States, 1993–2004.

Appendix D. Ancillary data for shallow agricultural wells from which samples were collected in agricultural and urban areas within regional National Water-Quality Assessment Program study units in the arid to semiarid Western United States, 1993–2004.

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