National Water-Quality Assessment (NAWQA) Program
More Information about Methods
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Cuffney, T.F., Gurtz, M.E., and Meador, M.R., 1993, Methods for collecting benthic invertebrate samples as part of the National Water-Quality Assessment Program: U.S. Geological Survey Open-File Report 93-406, 66 p. Available Online
Dunkle, S.A., Plummer, L.N., Busenberg, E., Phillips, P.J., Denver, J.M., Hamilton, P.A., Michel, R.L., and Coplen, T.B., 1993, Chlorofluoro-carbons (CC13F and CC12F2) as dating tools and hydrologic tracers in shallow groundwater of the Delmarva Peninsula, Atlantic Coastal Plain, United States: Water Resources Research, vol. 29, no. 12, p. 3837-3860. Available Online
Hamilton, P.A., Welch, A.H., Christenson, S.C., and Alley W.M., 1993, Uses and limitations of existing ground-water-quality data in Alley, W.M., ed.: Regional Ground-Water Quality: New York, Van Nostrand Reinhold, p. 613-622.
Meador, M.R., Hupp, C.R., Cuffney, T.F., and Gurtz, M.E., 1993, Methods for characterizing stream habitat as part of the National Water-Quality Assessment Program: U.S. Geological Survey Open-File Report 93-408, 48 p. Available Online
Meador, Michael R., Cuffney, Thomas F., and Gurtz, Martin E., 1993, Methods for sampling fish communities as part of the National Water-Quality Assessment Program: U.S. Geological Survey Open-File Report 93-104, 40 p. Available Online
Porter, S.G., Cuffney, T.F., Gurtz, M.E., and Meador, M.R., 1993, Methods for collecting algal samples as part of the National Water-Quality Assessment Program: U.S. Geological Survey Open-File Report 93-409, 39 p. Available Online
Terrio, Paul J., 1993, Relations of changes in wastewater-treatment practices to changes in stream-water quality during 1978-88 in the Chicago area, Illinois, and implications for regional and National water-quality assessments: U.S. Geological Survey Water-Resources Investigations Report 93-4188, 56 p. Available Online
Crawford, J. Kent, and Luoma, Samuel N., 1992, Guidelines for studies of contaminants in biological tissues for the National Water-Quality Assessment Program: U.S. Geological Survey Open-File Report 92-494, 69 p. Available Online
Foreman, W.T., Zaugg, S.D., Faires, L.M., Wener, M.G., Lilker, T.J., and Rogerson, P.F., 1992, Analytical interferences of mercuric chloride preservative in environmental water samples: Determination of organic compounds isolated by continuous liquid--Liquid extraction or closed-loop stripping: Environmental Science Technology, vol. 26, no. 7, p. 1307-1312. doi: 10.1021/es00031a004 Available Online
Martin, G.R., Smoot, J.L., and White, K.D., 1992, A comparison of surface-grab and cross sectionally integrated stream-water-quality sampling methods: Water Environment Research, vol. 64, no. 7, 866-876 p.
Sandstrom, M.W., Wydoski, D.S., Schroeder, M.P., Zamboni, J.L., and Foreman, W.T., 1992, Methods of analysis by the U.S. Geological Survey National Water Quality Laboratory--Determination of organonitrogen herbicides in water by solid-phase extraction and capillary-column gas chromatography/ mass spectrometry with selected-ion monitoring: U.S. Geological Survey Open-File Report 91-519, 34 p. Available Online
Denver, J.M., 1991, Groundwater-sampling network to study agrochemical effects on water quality: The Unconfined Aquifer in Groundwater Residue Sampling Design: Washington, D.C., American Chemical Society, Ch. 7 , p. 139-149.
Koterba, M.T., and Shedlock, R.J., 1991, Regional and targeted ground-water-quality networks in the Delmarva Peninsula, Delaware, Maryland and Virginia: American Chemical Society Symposium Series 465, p. 110-138.
Mosier, E.L., Papp, C.S.E., Motooka, J.M., Kennedy, K.R., and Riddle, G.O., 1991, Sequential extraction analyses of drill core samples, Central Oklahoma aquifer: U.S. Geological Survey Open-File Report 91-347, 42 p. Available Online
Pankow, J.F., and McKenzie, S.W., 1991, Parameterizing the equilibrium distribution of chemicals between the dissolved, solid particulate matter, and colloidal matter compartments in aqueous systems: Environmental Science and Technology, vol. 25, no. 12, p. 2046-2053. doi: 10.1021/es00024a009 Available Online
Scott, J.C., 1991, Computer software for converting ground-water and water-quality data from the National Water Information System for use in a geographic information system: U.S. Geological Survey Water-Resources Investigations Report 90-4200, 55 p. Available Online
Zelt, R.B., 1991, Applications of GIS to the management and analysis of hydrologic information: GIS World, vol. 4, no. 5, August 1991.
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.
Scott, J.C., 1990, Computerized stratified random site-selection approaches for design of a ground-water-quality sampling network: U.S. Geological Survey Water-Resources Investigations Report 90-4101, 109 p. Available Online
Scott, J.C., 1990, A statistical processor for analyzing simulations made using the modular finite-difference ground-water flow model: U.S. Geological Survey Water-Resources Investigations Report 89-4159, 218 p. Available Online
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.
Elder, J.F., 1989, Applicability of ambient toxicity testing to national or regional water-quality assessment: U.S. Geological Survey Open-File Report 89-55 and Circular 1049, 102 p. Available Online
Elder, J.F., 1989, Applicability of ambient toxicity testing to national or regional water-quality assessment: U.S. Geological Survey Open-File Report 89-55 and Circular 1049, 102 p. Available Online
Hardy, M.A., Leahy, P.P., and Alley, W.M., 1989, Well installation and documentation, and ground-water sampling protocols for the pilot National Water-Quality Assessment Program: U.S. Geological Survey Open-File Report 89-396, 36 p. Available Online
Mattraw, H.C., Wilber, W.G., and Alley, W.M., 1989, Quality-assurance plan for the pilot National Water-Quality Assessment Program: U.S. Geological Survey Open-File Report 88-726, 21 p. Available Online