Showing 21 - 40 results of 865 for search 'National Water-Quality Assessment Program (U.S.)', query time: 0.13s Refine Results
  1. 21
    Anthropogenic organic compounds in source water of nine community water systems that withdraw from streams, 2002-05 /
    by Kingsbury, James A.
    Published 2008
    “...National Water-Quality Assessment Program (U.S.)...”
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  2. 22
    Relations that affect the probability and prediction of nitrate concentration in private wells in the glacial aquifer system in the United States /
    by Warner, Kelly L.
    Published 2010
    “...National Water-Quality Assessment Program (U.S.)...”
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  3. 23
    Anthropogenic organic compounds in source and finished water from community water system wells in western and central Connecticut, 2002-2004 /
    by Trombley, Thomas J.
    Published 2007
    “...National Water-Quality Assessment Program (U.S.)...”
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  4. 24
    Adjustment of pesticide concentrations for temporal changes in analytical recovery, 1992-2010 /
    by Martin, Jeffrey D.
    Published 2011
    “...National Water-Quality Assessment Program (U.S.)...”
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  5. 25
    Quality of major ion and total dissolved solids data from groundwater sampled by the National Water-Quality Assessment Program, 1992-2010 /
    by Gross, Eliza L.
    Published 2012
    “...National Water-Quality Assessment Program (U.S.)...”
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  6. 26
    Nutrient concentrations and loads in the northeastern United States : status and trends, 1975-2003 /
    by Trench, Elaine C. Todd
    Published 2012
    “...National Water-Quality Assessment Program (U.S.)...”
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  7. 27
    Variability in stream chemistry in relation to urban development and biological condition in seven metropolitan areas of the United States, 1999-2004 /
    “...National Water-Quality Assessment Program (U.S.)...”
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  8. 28
    Electron donor concentrations in sediments and sediment properties at the Agricultural Chemicals Team research site near New Providence, Iowa, 2006-07 /
    “...National Water-Quality Assessment Program (U.S.)...”
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  9. 29
    County-level estimates of nitrogen and phosphorus from animal manure for the conterminous United States, 2002 /
    “...National Water-Quality Assessment Program (U.S.)...”
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  10. 30
    The use of process models to inform and improve statistical models of nitrate occurrence, Great Miami River basin, southwestern Ohio /
    “...National Water-Quality Assessment Program (U.S.)...”
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  11. 31
    Ecological health in the nation's streams, 1993-2005 /
    by Carlisle, Daren M.
    Published 2013
    “...National Water-Quality Assessment Program (U.S.)...”
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  12. 32
    Software for analysis of chemical mixtures : composition, occurrence, distribution, and possible toxicity /
    “...National Water-Quality Assessment Program (U.S.)...”
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  13. 33
    Naturally occurring contaminants in the Piedmont and Blue Ridge cystalline-rock aquifers and Piedmont Early Mesozoic basin siliciclastic-rock aquifers, eastern United States, 1994-2008 /
    by Chapman, M. J. (Melinda J.)
    Published 2013
    “...National Water-Quality Assessment Program (U.S.)...”
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  14. 34
    Ecological health in the nation's streams /
    “...National Water-Quality Assessment Program (U.S.)...”
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  15. 35
    Century-scale perspective on water quality in selected river basins of the conterminous United States /
    by Stets, Edward G.
    Published 2012
    “...National Water-Quality Assessment Program (U.S.)...”
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  16. 36
    Water quality in the Northern Atlantic coastal plain surficial aquifer system, Delaware, Maryland, New Jersey, New York, North Carolina, and Virginia, 1988-2009 /
    by Denver, J. M.
    Published 2014
    “...National Water-Quality Assessment Program (U.S.)...”
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  17. 37
    Water quality in the Denver Basin aquifer system, Colorado, 2003-05 /
    by Bauch, Nancy J.
    Published 2014
    “...National Water-Quality Assessment Program (U.S.)...”
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  18. 38
    Water quality in basin-fill aquifers of the southwestern United States : Arizona, California, Colorado, Nevada, New Mexico, and Utah, 1993-2009 /
    by Thiros, Susan A.
    Published 2014
    “...National Water-Quality Assessment Program (U.S.)...”
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  19. 39
    Water quality in the glacial aquifer system, northern United States, 1993-2009 /
    by Warner, Kelly L., Ayotte, Joseph D.
    Published 2014
    “...National Water-Quality Assessment Program (U.S.)...”
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  20. 40
    Water quality in the upper Floridan aquifer and overlying surficial aquifers, Southeastern United States, 1993-2010 /
    by Berndt, Marian P.
    Published 2014
    “...National Water-Quality Assessment Program (U.S.)...”
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