National Water-Quality Assessment (NAWQA) Project
More Information about Methods
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Choquette, A.F., and Katz, B.G., 1989, Grid-based ground water sampling: Lessons from an extensive regional network for 1,2-dibromoethane (EDB) in Florida: in Ragone, S.E., ed., Regional Characterization of Water Quality: Proceedings of the Baltimore Symposium, May 1989, National Association of Hydrological Sciences Publication No. 182, p. 79-86.
Warner, K.L., and Arnold, T.L., 2005, Framework for regional synthesis of water-quality data for the glacial aquifer system in the United States: U.S. Geological Survey Scientific Investigations Report 2005-5223, 6 p. Available Online
Harte, Philip T., Robinson, Jr., Gilpin R., Ayotte, Joseph D., and Flanagan, Sarah M., 2008, Framework for evaluating water quality of the New England Crystalline Rock Aquifers: U.S. Geological Survey Open-File Report 2008-1282, 51 p. Available Online
Sandstrom, Mark W., 1995, Filtration of water-sediment samples for the determination of organic compounds: U.S. Geological Survey Water-Resources Investigations Report 95-4105, 13 p. Available Online
Shelton, Larry R., 1997, Field guide for collecting samples for analysis of volatile organic compounds in stream water for the National Water-Quality Assessment Program: U.S. Geological Survey Open-File Report 97-401, 14 p. Available Online
Shelton, Larry R., 1994, Field guide for collecting and processing stream-water samples for the National Water-Quality Assessment Program: U.S. Geological Survey Open-File Report 94-455, 42 p. Available Online
Wolff, R.H., 2005, Feasibility using benthic invertebrates as indicators of stream quality in Hawaii: U.S. Geological Survey Scientific Investigations Report 2005-5079, 78 p. Available Online
Lenz, Bernard N., 1997, Feasibility of combining two aquatic benthic macroinvertebrate community data bases for water-quality assessment: U.S. Geological Survey Fact Sheet FS-132-97, 4 p. Available Online
Robertson, Dale M., 1998, Evaluation of the surface-water sampling design in the Western Lake Michigan Drainages in relation to environmental factors affecting water quality at base flow: U.S. Geological Survey Water-Resources Investigations Report 98-4072, 53 p. Available Online
Capel, Paul D., and Larson, Steven J., 1996, Evaluation of selected information on splitting devices for water samples: U.S. Geological Survey Water-Resources Investigations Report 95-4141, 103 p. Available Online
Meador, M.R., Whittier, T.R., Goldstein, R.M., Hughes, R.M., and Peck, D.V., 2008, Evaluation of an index of biotic integrity approach used to assess biological condition in western US streams and rivers and varying spatial scales: Transactions of the American Fisheries Society, v. 137, p. 13-22. doi: 10.1577/T07-054.1 Available Online
Chang, Ming, Kennen, Jonathan G., and Del Corso, Ellyn, 2000, Evaluating temporal changes in stream condition in three New Jersey river basins by using an index of biotic integrity: Bulletin New Jersey Academy of Sciences, vol. 45, p. 1-12. Available Online
Nakagaki, Naomi, and Wolock, D.M., 2005, Estimation of agricultural pesticide use in drainage basins using land cover maps and county pesticide data: U.S. Geological Survey Open-File Report 2005-1188, 46 p. Available Online
Fox, Garey A., Thelin, Gail P., Sabbagh, John W., and Kelly, Iain D., 2008, Estimating watershed level nonagricultural pesticide use from golf courses using geospatial methods: Journal of the American Water Resources Association, vol. 44, no. 6, p. 1363-1372. doi: 10.1111/j.1752-1688.2008.00229.x Available Online
Majewski, M.S., 1997, Error evaluation of methyl bromide aerodynamic flux measurements, Chapter 12: in Seiber, J.N., and others, eds, Fumigants--environmental fate, exposure, and analysis: ACS Symposium Series, vol. 652, p. 135-153.
Alexander, R.B., Brakebill, J.W., Brew, R.E., and Smith, R.A., 1999, ERF1-Enhanced River Reach File 1.2: U.S. Geological Survey Open-File Report 99-457, map. Available Online
Foster, G.D., and Rogerson, P.F., 1990, Enhanced preconcentration of pesticides from water using the goulden large-sample extractor: International Journal of Environmental Analytical Chemistry, vol. 41, p. 105-117.
Meador, Michael R., and McIntyre, Julie P., 2003, Effects of electrofishing gear type on spatial and temporal variability in fish community sampling: Transactions of the American Fisheries Society, vol. 132, p. 709-716. doi: 10.1577/T01-135 Available Online
Spruill, Timothy B., and Galeone, David R., 2000, Effectiveness of riparian buffers in reducing nitrate-nitrogen concentrations in ground water: International Conference on Riparian Ecology and Management in Multi-Land Use Watersheds, American Water Resources Association, p. 119-124.
McCarthy, K.A., and Johnson, H.M., 2009, Effect of agricultural practices on hydrology and water chemistry in a small irrigated catchment, Yakima River basin, Washington: U.S. Geological Survey Scientific Investigations Report 2009-5030, 22 p. Available Online
Chapelle, F.H., Bradley, P.M., Thomas, M.A., and McMahon, P.B., 2009, Distinguishing iron-reducing from sulfate-reducing conditions: Ground Water, vol. 47, no. 2, March-April 2009, p. 300-305. Available Online
Potapova, M.G., Charles, D.F., Ponader, K.C., and Winter, D.M., 2007, Diatom metrics for monitoring eutrophication in rivers of the United States: Ecological Indicators, vol. 7, no. 1, p. 48-70. doi: 10.1016/j.ecolind.2005.10.001 Available Online
Toccalino, Patricia, Nowell, Lisa, Wilber, William, Zogorski, John, Donohue, Joyce, Eiden, Catherine, Krietzman, Sandra, and Post, Gloria, 2003, Development of health-based screening levels for use in state- or local- scale water-quality assessments: U.S. Geological Survey Water-Resources Investigations Report 03-4054, 22 p. Available Online
Potapova, Marina, and Carlisle, D.M., 2011, Development and application of indices to assess the condition of benthic algal communities in U.S. streams and rivers: U.S. Geological Survey Open File Report 2011-1126, 40 p. Available Online
Toccalino, P.L., 2007, Development and application of health-based screening levels for use in water-quality assessments: U.S. Geological Survey Scientific Investigations Report 2007-5106, 12 p. Available Online
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