Showing 1 - 20 results of 557 for search '"Water quality United States."', query time: 0.39s Refine Results
  1. 1
    Quality-assurance results for routine water analyses in U.S. Geological Survey laboratories, water year 1997 /
    by Ludtke, Amy S.
    Published 1999
    Subjects: “...Water quality United States Measurement....”
    Government Document Book
  2. 2
    Concepts for a national water-quality assessment program /
    by Hirsch, Robert M.
    Published 1988
    Subjects: “...Water quality United States....”
    Government Document Book
  3. 3
    Summary of available state ambient stream-water-quality data, 1990-98, and limitations for national assessment /
    Published 2004
    Subjects: “...Water quality United States Measurement....”
    PURL
    Adobe Acrobat Reader required.
    Government Document eBook
  4. 4
    Summary of available state ambient stream-water-quality data, 1990-98, and limitations for national assessment /
    Published 2004
    Subjects: “...Water quality United States Measurement....”
    Get full text
    Government Document eBook
  5. 5
    Economics of water quality in agriculture : a literature review /
    by Ogg, Clayton W.
    Published 1979
    Subjects: “...Water quality United States....”
    Government Document Book
  6. 6
    Research strategy for the 1980's water quality research committee /
    Published 1981
    Subjects: “...Water quality United States....”
    Government Document Book
  7. 7
    Quantitative assessment of environmental impacts in the aquatic environment /
    by Riggins, R. E. (Robert E.)
    Published 1981
    Subjects: “...Water quality United States....”
    Government Document Book
  8. 8
    Results of a reconnaissance water-quality sampling program of the Ogallala aquifer in Colorado, Kansas, Nebraska, Oklahoma, South Dakota, and Texas /
    by Feder, Gerald L.
    Published 1981
    Subjects: “...Water quality United States....”
    Government Document Book
  9. 9
    Water quality insights /
    Published 1985
    Subjects: “...Water quality United States....”
    Book
  10. 10
    The Quality of our nation's water : a summary of the 1988 National Water Quality Inventory.
    Published 1990
    Subjects: “...Water quality United States....”
    Government Document Book
  11. 11
    National Water-Quality Assessment program.
    Published 1991
    Subjects: “...Water quality United States....”
    Government Document Book
  12. 12
    Methodology to derive water-quality trends for use by the National water summary program of the U.S. Geological Survey /
    by Lanfear, Kenneth J.
    Published 1990
    Subjects: “...Water quality United States....”
    Government Document Microform Book
  13. 13
    Watershed academy web-based training.
    Published 2000
    Subjects: “...Water quality United States....”
    Get full text
    Government Document Book
  14. 14
    Clean watersheds needs survey 2000 : report to Congress.
    Published 2003
    Subjects: “...Water quality United States....”
    Get full text
    Government Document Book
  15. 15
    Protect water for life.
    Published 2002
    Subjects: “...Water quality United States....”
    Get full text
    Government Document Book
  16. 16
    Community water system survey 2000.
    Published 2002
    Subjects: “...Water quality United States....”
    Vol. 1
    Vol. 2
    Government Document Book
  17. 17
    Guidelines establishing test procedures for the analysis of pollutants; procedures for detection and quantitation; notice of document availability and proposed rule : fact sheet.
    Published 2003
    Subjects: “...Water quality United States....”
    Get full text
    Government Document Book
  18. 18
    Method 200.10 : Determination of Trace Elements in Marine Waters by On-line Chelation Preconcentration and Inductively Coupled Plasma-Mass Spectrometry /
    by Long, Stephen E.
    Published 1997
    Subjects: “...Water quality United States....”
    Get full text
    Government Document Book
  19. 19
    Method 200.13 : determination of trace elements in marine waters by off-line chelation preconcentration with graphite furnace atomic absorption /
    by Creed, John T.
    Published 1997
    Subjects: “...Water quality United States....”
    Get full text
    Government Document Book
  20. 20
    Method 200.12 : determination of trace elements in marine waters by stabilized temperature graphite furnace atomic absorption /
    by Creed, John T.
    Published 1997
    Subjects: “...Water quality United States....”
    Get full text
    Government Document Book
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