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Environmental Health - Toxic Substances

Bibliography

Contaminant Occurrence Studies

Large-scale studies of the occurrence and distribution of new contaminants in the environment

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A

Alvarez, D.A., Cranor, W.L., Perkins, S.D., Schroeder, V., and Clark, R.C., 2007,
Identification of potential endocrine disruptors in the Potomac River watershed using passive samplers: U.S. Geological Survey Administrative Report, 23 p.
Alvarez, D.A., Cranor, W.L., Perkins, S.D., Schroeder, V., Iwanowicz, L.R., Clark, R.C., Guy, C.P., Pinkney, A., Blazer, V.S., and Mullican, J.E., 2009,
Reproductive health of bass in the Potomac, USA drainage--Part 2. Seasonal occurrence of persistent and emerging organic contaminants: Environmental Toxicology and Chemistry, v. 28, no. 5, p. 1084-1095, doi:10.1897/08-417.1.
Alvarez, D.A., Cranor, W.L., Perkins, S.D., Schroeder, V.L., Werner, S.L., Furlong, E.T., and Holmes, J., 2008,
Investigation of organic chemicals potentially responsible for mortality and intersex in fish of the North Fork of the Shenandoah River, Virginia, during spring of 2007: U.S. Geological Survey Open-File Report 2008-1093, 16 p.
Alvarez, D.A., Cranor, W.L., Perkins, S.D., Schroeder, V.L., Werner, S.L., Furlong, E.T., Kain, D., and Brent, R., 2008,
Reconnaissance of persistent and emerging contaminants in the Shenandoah and James River Basins, Virginia, during Spring of 2007: U.S. Geological Survey Open-File Report 2008-1231, 19 p.
Alvarez, D.A., Maruya, K.A., Dodder, N.G., Lao, W., Furlong, E.T., and Smalling, K.L., 2013,
Occurrence of contaminants of emerging concern along the California coast (2009-10) using passive sampling devices: Marine Pollution Bulletin, v. 81, no. 2, p. 347-354, doi:10.1016/j.marpolbul.2013.04.022.
Alvarez, D.A., Shappell, N.W., Billey, L.O., Bermudez, D.S., Wilson, V.S., Kolpin, D.W., Perkins, S.D., Evans, N., Foreman, W.T., Gray, J.L., Shipitalo, M.J., and Meyer, M.T., 2013,
Bioassay of estrogenicity and chemical analyses of estrogens in streams across the United States associated with livestock operations: Water Research, v. 47, no. 10, p. 3347-3363, doi:10.1016/j.watres.2013.03.028.
Anderholm, S.K., 1986,
Reconnaissance of hydrology, land use, ground-water chemistry and effects of land use on ground-water chemistry in the Albuquerque-Belen basin, New Mexico: U.S. Geological Survey Water-Resources Investigations Report 86-4174, 37 p.
Antweiler, R.C., Goolsby, D.A., and Taylor, H.E., 1996,
Nutrients in the Mississippi River, 1987-92, in Meade, R.H., ed., Contaminants in the Mississippi River: U.S. Geological Survey Circular 1133, p. 73-85.

B

Barber, L.B., Antweiler, R.C., Brown, G.K., Keefe, S.H., Peart, D.B., Plowman, T.I., Roth, D.A., and Taylor, H.E., 2003,
Organic and trace element contaminants in water, biota, sediments, and semi-permeable membrane devices at the Tres Rios Demonstration Wetlands, Phoenix, Arizona: U.S. Geological Survey Water-Resources Investigations Report 03-4129, 88 p.
Barber, L.B., II, Leenheer, J.A., Tabor, C.F., Brown, G.K., Noyes, T.I., and Noriega, M.C., 1995,
Organic compounds and sewage-derived compounds, in Moody, J.A., ed., Chemical data for water samples collected during four upriver cruises on the Mississippi River between New Orleans, Louisiana, and Minneapolis, Minnesota, May 1990-April 1992: U.S. Geological Survey Open-File Report 94-523, p. 211-297.
Barber, L.B., Schnoebelen, D.J., Murphy, S.F., Keefe, S.H., Kolpin, D.W., Gray, J.L., Furlong, E.T., Zaugg, S.D., Sandstrom, M.W., Meyer, M.T., and Sprague, L.A., 2004,
Fate of organic wastewater contaminants--A lagrangian based comparison between high and low gradient streams, in Proceedings of the 4th International Conference on Pharmaceuticals and Endocrine Disrupting Chemicals in Water, Minneapolis, Minnesota, October 13-15, 2004: National Ground Water Association, p. 47 (CD-ROM).
Barber, L.B., Writer, J.H., Keefe, S.K., Brown, G.K., Ferrey, M.L., Jahns, N.D., Kiesling, R.L., Lundy, J.R., Poganski, B.H., Rosenberry, D.O., Taylor, H.E., Woodruff, O.P., and Schoenfuss, H.L., 2012,
Endocrine disrupting chemicals in Minnesota lakes--Water-quality and hydrological data from 2008 and 2010: U.S. Geological Survey Open-File Report 2012-1124, 53 p.
Barnes, K.K., Kolpin, D.W., Focazio, M.J., Furlong, E.T., Meyer, M.T., Zaugg, S.D., Haack, S.K., Barber, L.B., and Thurman, E.M., 2008,
Water-quality data for pharmaceuticals and other organic wastewater contaminants in ground water and in untreated drinking water sources in the United States, 2000-01: U.S. Geological Survey Open-File Report 2008-1293, 6 p. plus tables p.
Barnes, K.K., Kolpin, D.W., Furlong, E.T., Zaugg, S.D., Meyer, M.T., and Barber, L.B., 2008,
A national reconnaissance of pharmaceuticals and other organic wastewater contaminants in the United States--I. Groundwater: Science of the Total Environment, v. 402, no. 2-3, p. 192-200, doi:10.1016/j.scitotenv.2008.04.028.
Barnes, K.K., Kolpin, D.W., Furlong, E.T., Zaugg, S.D., Meyer, M.T., Barber, L.B., and Focazio, M.J., 2005,
Studies examine contaminants--Pharmaceuticals, hormones and other organic wastewater contaminants in ground water resources: National Driller Magazine, v. 26, no. 3, p. 38-39.
Barnes, K.K., Kolpin, D.W., Furlong, E.T., Zaugg, S.D., Meyer, M.T., Barber, L.B., and Focazio, M.J., 2004,
Pharmaceuticals, hormones, and other organic wastewater contaminants in ground water resources, in Proceedings of Groundwater Foundation Annual Conference and Groundwater Guardian Designation, Groundwater and Public Health---Making the Connection, Washington, D.C., November 4-5, 2004: Groundwater Foundation, p. 24-30.
Barnes, K.K., Kolpin, D.W., Meyer, M.T., Thurman, E.M., Furlong, E.T., Zaugg, S.D., and Barber, L.B., 2002,
Water-quality data for pharmaceuticals, hormones, and other organic wastewater contaminants in U.S. streams, 1999-2000: U.S. Geological Survey Open-File Report 02-94.
Battaglin, W., Drewes, J., Bruce, B., and McHugh, M., 2007,
Contaminants of emerging concern in the environment: Water Resources Impact, v. 9, no. 3, p. 3-4.
Battaglin, W., Sandstrom, M., Kuivila, K., Kolpin, D., and Meyer, M., 2011,
Occurrence of azoxystrobin, propiconazole, and selected other fungicides in US streams, 2005-2006: Water, Air, and Soil Pollution, v. 218, no. 1-4, p. 307-322, doi:10.1007/s11270-010-0643-2.
Battaglin, W.A., 2002,
Using ratios of atrazine transformation products to atrazine to determine its source in Midwestern streams, in Kenny, J., ed., Ground Water/Surface Water Interactions, AWRA Summer Specialty Conference Proceedings, Middleburg, Virginia: American Water Resources Association, TPS-02-2, p. 213-218.
Battaglin, W.A., Furlong, E.T., and Burkhardt, M.R., 2001,
Concentration of selected sulfonylurea, sulfonamide, and imadazolinone herbicides, other pesticides, and nutrients in 71 streams, 5 reservoir outflows, and 25 wells in the midwestern United States, 1998: U.S. Geological Survey Water-Resources Investigations Report 00-4225, 123 p.
Battaglin, W.A., Furlong, E.T., Burkhardt, M.R., and Peter, C.J., 2000,
Occurrence of sulfonylurea, sulfonamide, imidazolinone, and other herbicides in rivers, reservoirs and ground water in the Midwestern United States, 1998: The Science of the Total Environment, v. 248, no. 2-3, p. 123-133, doi:10.1016/S0048-9697(99)00536-7.
Battaglin, W.A., Furlong, E.T., Burkhardt, M.R., and Peter, C.J., 1999,
Occurrence of sulfonylurea, imidazolinone, and other herbicides in midwestern rivers, reservoirs, and ground water, 1998, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 2 of 3--Contamination of Hydrologic Systems and Related Ecosystems: U.S. Geological Survey Water-Resources Investigations Report 99-4018B, p. 215-225.
Battaglin, W.A., Furlong, E.T., and Peter, C.J., 1998,
A reconnaissance for new, low-application rate herbicides in surface and ground water in the Midwestern United States, in Proceedings of the National Water Quality Monitoring Council (NWQMC) National Conference, Monitoring--Critical Foundations to Protect Our Waters, Reno, Nevada, July 7-9, 1998: Washington, D.C., U.S. Environmental Protection Agency, p. 245-256.
Battaglin, W.A., Furlong, E.T., and Peter, C.J., 1998,
A reconnaissance for sulfonylurea herbicides in waters of the Midwestern USA--An example of collaboration between the public and private sectors: U.S. Geological Survey Fact Sheet FS-046-98, 4 p.
Battaglin, W.A., and Goolsby, D.A., 2000,
Herbicide concentrations in Midwest reservoirs (plus a self-study examination to earn continuing education credit): Crop Decisions, v. 42, no. 3, p. 5-8.
Battaglin, W.A., and Goolsby, D.A., 1999,
Are shifts in herbicide use reflected in concentration changes in midwestern rivers?: Environmental Science and Technology, v. 33, no. 17, p. 2917-2925, doi:10.1021/es9900149.
Battaglin, W.A., and Goolsby, D.A., 1998,
Regression models of herbicide concentrations in outflow from reservoirs in the midwestern USA, 1992-1993: Journal of the American Water Resources Association, v. 34, no. 6, p. 1369-1390, doi:10.1111/j.1752-1688.1998.tb05438.x.
Battaglin, W.A., and Goolsby, D.A., 1997,
Statistical modeling of agricultural chemical occurrence in midwestern rivers: Journal of Hydrology, v. 196, no. 1-4, p. 1-25, doi:10.1016/S0022-1694(97)00011-5.
Battaglin, W.A., and Goolsby, D.A., 1996,
Using GIS and logistic regression to estimate agricultural chemical concentrations in rivers of the midwestern USA, in Kovar, K., and Nachtnebel, H., eds., Application of Geographic Information Systems in Hydrology and Water Resources Management--Proceedings of HydroGIS'96 meeting, Vienna, Austria, April, 1996: International Association of Hydrological Sciences IAHS Publication No. 235, p. 253-260.
Battaglin, W.A., and Goolsby, D.A., 1996,
Using GIS and regression to estimate annual herbicide concentrations in outflow from reservoirs in the midwestern USA, 1992-93, in AWRA Symposium on GIS and Water Resources, Ft. Lauderdale, FL, September 22-26, 1996: American Water Resources Association.
Battaglin, W.A., and Goolsby, D.A., 1996,
Using GIS and regression to estimate annual herbicide concentrations in outflow from reservoirs in the midwestern USA, 1992-93, in Hallam, C.A., Salisbury, H.M., Lanfear, K.J., and Battaglin, W.A., eds., GIS and Water Resources--Proceedings of the American Water Resources Association: American Water Resources Association Technical Publication Series TPS-96-3, p. 89-98.
Battaglin, W.A., and Goolsby, D.A., 1995,
Spatial data in Geographic Information System format on agricultural chemical use, land use, and cropping practices in the United States: U.S. Geological Survey Water-Resources Investigations Report 94-4176, 87 p.
Battaglin, W.A., and Goolsby, D.A., 1994,
Relations between herbicide use and annual transport of herbicides in midwestern rivers, 1991-92, in Weigmann, D.L., ed., New Directions in Pesticide Research Development, Management, and Policy--Proceedings of the Fourth National Conference, on Pesticides, Richmond, Va., November 1-3, 1993: p. 711-723.
Battaglin, W.A., Goolsby, D.A., and Coupe, R., 1993,
Annual use and transport of agricultural chemicals in the Mississippi River, 1991-92, in Goolsby, D.A., Boyer, L.L., and Mallard, G.E., eds., Selected papers on agricultural chemicals in water resources of the Midcontinental United States: U.S. Geological Survey Open-File Report 93-418, p. 26-40.
Battaglin, W.A., Goolsby, D.A., and Coupe, R.H., 1996,
Annual use and transport of agricultural chemicals in the Mississippi River, 1991-92, in Morganwalp, D.W., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Colorado Springs, Colorado, September 20-24, 1993: U.S. Geological Survey Water-Resources Investigations Report 94-4015, v. 1, p. 429-440.
Battaglin, W.A., Goolsby, D.A., and Mueller, D.K., 1994,
Relations between use, concentration, and transport of agricultural chemicals in the Mississippi River basin, in Marston, R.A., and Hasfurther, V.R., eds., Effects of Human-induced Changes on Hydrologic System--Proceedings of the American Water Resources Association summer symposium, Jackson Hole, Wyoming, June 26-29, 1994: p. 1073-1086.
Battaglin, W.A., and Hay, L.E., 1996,
Effects of sampling strategies on estimates of annual mean herbicide concentrations in midwestern rivers: Environmental Science and Technology, v. 30, no. 3, p. 889-896, doi:10.1021/es950351r.
Battaglin, W.A., Kendall, C., Chang, C.C.Y., Silva, S.R., and Campbell, D.H., 2001,
Chemical and isotopic evidence of nitrogen transformation in the Mississippi River, 1997-98: Hydrological Processes, v. 15, no. 7, p. 1285-1300, doi:10.1002/hyp.214.
Battaglin, W.A., Kendall, C., Chang, C.C.Y., Silva, S.R., and Campbell, D.H., 2001,
Isotopic and chemical composition of inorganic and organic water-quality samples from the Mississippi River Basin, 1997-98: U.S. Geological Survey Water-Resources Investigations Report 01-4095, 57 p.
Battaglin, W.A., Kendall, C., Goolsby, D.A., and Boyer, L.L., 1997,
Plan of study to determine if the isotopic ratios δ15N and δ18O can reveal the sources of nitrate discharged by the Mississippi River into the Gulf of Mexico: U.S. Geological Survey Open-File Report 97-230, 18 p.
Battaglin, W.A., and Kolpin, D.W., 2009,
Contaminants of emerging concern--Introduction to a featured collection: JAWRA Journal of the American Water Resources Association, v. 45, no. 1, p. 1-3, doi:10.1111/j.1752-1688.2008.00299.x.
Battaglin, W.A., Kolpin, D.W., Scribner, E.A., Kuivila, K.M., and Sandstrom, M.W., 2005,
Glyphasate, other herbicides, and transformation products in midwestern streams, 2002: Journal of the American Water Resources Association, v. 41, no. 2, p. 323-332, doi:10.1111/j.1752-1688.2005.tb03738.x.
Battaglin, W.A., Kuivila, K., Winton, K., and Meyer, M., 2008,
Occurrence of chlorothalonil, its transformation products, and selected other pesticides in Texas and Oklahoma streams, 2003-2004: U.S. Geological Survey Scientific Investigations Report 2008-5016, 9 p.
Battaglin, W.A., Meyer, M.T., Kuivila, K.M., and Dietze, J.E., 2014,
Glyphosate and its degradation product AMPA occur frequently and widely in U.S. soils, surface water, groundwater, and precipitation: Journal of the American Water Resources Association, v. 50, no. 2, p. 275-290, doi:10.1111/jawr.12159.
Battaglin, W.A., Rice, K.C., Focazio, M.J., Salmons, S., and Barry, R.X., 2009,
The occurrence of glyphosate, atrazine, and other pesticides in vernal pools and adjacent streams in Washington, DC, Maryland, Iowa, and Wyoming, 2005-2006: Environmental Monitoring and Assessment, v. 155, no. 1-4, p. 281-307, doi:10.1007/s10661-008-0435-y.
Battaglin, W.A., Thurman, E.M., Kalkhoff, S.J., and Porter, S.D., 2003,
Herbicides and transformation products in surface waters of the midwestern United States: Journal of the American Water Resources Association, v. 39, no. 4, p. 743-756, doi:10.1111/j.1752-1688.2003.tb04402.x.
Battaglin, W.A., Thurman, E.M., Kolpin, D.W., Scribner, E.A., Sandstrom, M.W., and Kuivila, K.M., 2003,
Work plan for determining the occurrence of glyphosate, its transformation product AMPA, other herbicide compounds, and antibiotics in midwestern United States streams, 2002: U.S. Geological Survey Open-File Report 03-69, 18 p.
Bauch, N.J., Chasar, L.C., Scudder, B.C., Moran, P.W., Hitt, K.J., Brigham, M.E., Lutz, M.A., and Wentz, D.A., 2009,
Data on mercury in water, bed sediment, and fish from streams across the united states, 1998-2005: U.S. Geological Survey Data Series 307, 33 p.
Bexfield, L.M., and Plummer, L.N., 2003,
Occurrence of arsenic in ground water of the Middle Rio Grande Basin, central New Mexico, in Welch, A.H., and Stollenwerk, K.G., eds., Arsenic in Ground Water--Geochemistry and Occurrence: Boston, Kluwer Academic Publishers, p. 295-327.
Bidwell, J.R., Becker, C., Hensley, S., Stark, R., and Meyer, M.T., 2010,
Occurrence of organic wastewater and other contaminants in cave streams in Northeastern Oklahoma and Northwestern Arkansas: Archives of Environmental Contamination and Toxicology, v. 58, no. 2, p. 286-298, doi:10.1007/s00244-009-9388-6.
Boxall, A.B.A., Kolpin, D.W., Halling-Sorensen, B., and Tolls, J., 2003,
Are veterinary medicines causing environmental risks?: Environmental Science and Technology, v. 37, no. 15, p. 286A-294A, doi:10.1021/es032519b.
Boxall, A.B.A., Sinclair, C.J., Fenner, K., Kolpin, D., and Maund, S.J., 2004,
When synthetic chemicals degrade in the environment--What are the absolute fate, effects, and potential risks to humans and the ecosystem?: Environmental Science and Technology, v. 38, no. 19, p. 368A-375A, doi:10.1021/es040624v.
Boyd, R.A., 1999,
Herbicides and herbicide degradates in shallow ground water and the Cedar River near a municipal well field, Cedar Rapids, Iowa, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 2 of 3--Contamination of Hydrologic Systems and Related Ecosystems: U.S. Geological Survey Water-Resources Investigations Report 99-4018B, p. 289-300.
Boyd, R.A., and Furlong, E.T., 2002,
Human-health pharmaceutical compounds in Lake Mead, Nevada and Arizona, and Las Vegas Wash, Nevada, October 2000-August 2001: U.S. Geological Survey Open-File Report 02-385, 24 p.
Brabets, T.P., Hooper, R.P., and Landa, E.R., 2001,
Water quality in the Yukon River basin: U.S. Geological Survey Fact Sheet FS-050-01.
Bratkovich, A., Dinnel, S.P., and Goolsby, D.A., 1995,
Variability and prediction of freshwater and nitrate fluxes for the Louisiana-Texas shelf--Mississippi and Atchafalaya source functions: Estuaries, v. 17, no. 4, p. 766-778.
Brigham, M.E., Krabbenhoft, D.P., and Hamilton, P.A., 2003,
Mercury in stream ecosystems--New studies initiated by the U.S. Geological Survey: U.S. Geological Survey Fact Sheet 016-03, 4 p.
Brown, J.B., and Battaglin, W.A., 2007,
Striving for collaborative science and communication through the Consortium for Research and Education on Emerging Contaminants (CREEC): Water Resources Impact, v. 9, no. 3, p. 22-24.
Burkart, M., Kolpin, D.W., Jaquis, R., and Cole, K., 2001,
Soil characteristics and agrichemicals in groundwater of the midwestern United States: Water Science and Technology, v. 43, no. 5, p. 251-260.
Burkart, M.R., 1991,
Hydrogeologic research on agrichemicals in the Midcontinental United States, in Water Quality Workshop for Eastern Europe, Poznan, Poland, Proceedings, September 23-26, 1991: p. 22.
Burkart, M.R., 1990,
Interagency research and technical integration, in Information exchange on models and data needs relating to the impact of agricultural practices on water quality--Workshop Proceedings, Reston, Virginia, February 5-8, 1990: U.S. Geological Survey, Office Water Data Coordination, p. 11-12.
Burkart, M.R., and Kolpin, D.W., 1993,
Regional assessment of factors related to herbicides and nitrate in near-surface aquifers of the midcontinent, in Agricultural research to protect water quality--Proceedings of the Conference, Minneapolis, Minn., February 21-24, 1993: Ankeny, Iowa, Soil and Water Conservation Society, p. 390-392.
Burkart, M.R., Kolpin, D.W., and James, D.E., 1999,
Assessing groundwater vulnerability to agrichemical contamination in the midwest U.S.: Water Science and Technology, v. 39, no. 3, p. 103-112.
Burkart, M.R., Kolpin, D.W., Jaquis, R.J., and Cole, K.J., 1999,
Agrichemicals in ground water of the Midwestern USA--Relations to soil characteristics: Journal of Environmental Quality, v. 28, no. 6, p. 1908-1915, doi:10.2134/jeq1999.00472425002800060030x.
Burkart, M.R., and Ragone, S.A., 1989,
Planned studies of herbicides in ground and surface water in the Midcontinental United States, in Papers from International Symposium on Integrated Approaches to Water Pollution Problems, Lisbon, Portugal, June 19-23, 1989: International Water Resources Association, v. 3, p. 475-477.
Burkart, M.R., Ragone, S.E., Thurman, E.M., and Perry, C.A., 1989,
Planned studies of herbicides in ground and surface water in the Midcontinental United States, in Mallard, G.E., and Ragone, S.E., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Phoenix, Arizona, September 26-30, 1988: U.S. Geological Survey Water-Resources Investigations Report 88-4220, p. 445-452.
Buxton, H.T., and Kolpin, D.W., 2002,
Pharmaceuticals, hormones, and other organic wastewater contaminants in U.S. streams: U.S. Geological Survey Fact Sheet FS-027-02, 2 p.

C

Cain, D.J., and Edelmann, P., 1987,
A reconnaissance water-quality appraisal of the Fountain Creek Alluvial Aquifer between Colorado Springs and Pueblo, Colorado, including trace elements and organic constituents: U.S. Geological Survey Water-Resources Investigations Report 86-4085, 45 p.
Cain, D.J., Helsel, D.R., and Ragone, S.E., 1987,
Reconnaissance appraisals of anthropogenic effects on regional ground-water quality, in Franks, B.J., ed., U.S. Geological Survey Program on Toxic Waste--Ground-Water Contamination--Proceedings of the third technical meeting, Pensacola, Florida, March 23-27, 1987: U.S. Geological Survey Open-File Report 87-109, p. E-25-E-31.
Cain, T.G., Kolpin, D.W., Vargo, J.D., and Wichman, M.D., 2004,
Occurrence of antibiotics, pharmaceuticals and sterols at select surface and wastewater sites in Iowa, in Proceedings of the 4th International Conference on Pharmaceuticals and Endocrine Disrupting Chemicals in Water, Minneapolis, Minnesota, October 13-15, 2004: National Ground Water Association, p. 151-157 (CD-ROM).
Campagnolo, E.R., Johnson, K.R., Karpati, A., Rubing, C.S., Kolpin, D.W., Meyer, M.T., Esteban, J.E., Currier, R.W., Smith, K., Thu, K.M., and McGeehin, M., 2002,
Antimicrobial residues in animal waste and water resources proximal to large-scale swine and poultry feeding operations: The Science of the Total Environment, v. 299, no. 1-3, p. 89-95, doi:10.1016/S0048-9697(02)00233-4.
Capel, P.D., 1991,
Wet atmospheric deposition of herbicides in Minnesota, in Mallard, G.E., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Monterey, California, March 11-15, 1991: U.S. Geological Survey Water-Resources Investgations Report 91-4034, p. 334-337.
Centers for Disease Control, 2000,
Sampling protocol to assess and monitor off-farm transport of waste-associated chemical and microbial constituents on swine feeding operations: Centers for Disease Control and Prevention, National Center for Environmental Health, Division of Environmental Hazards and Health Effects, Health Studies Branch, Atlanta, GA, 50 p.
Chang, X., Meyer, M.T., Liu, X., Zhao, Q., Chen, H., Chen, J.a., Qiu, Z., Yang, L., Cao, J., and Shu, W., 2010,
Determination of antibiotics in sewage from hospitals, nursery and slaughter house, wastewater treatment plant and source water in Chongqing region of Three Gorge Reservoir in China: Environmental Pollution, v. 158, no. 5, p. 1,444-1,450, doi:10.1016/j.envpol.2009.12.034.
Christian, T., Schneider, R.J., Barber, H.A., Skutlarek, D., Meyer, M.T., and Goldbach, H.E., 2003,
Determination of antibiotic residues in manure, soil, and surface waters: Acta Hydrochimica et Hydrobiologica, v. 31, no. 1, p. 36-44.
Clark, G.M., Broshears, R.E., Hooper, R.P., and Goolsby, D.A., 2002,
Evaluating the influence of source basins on downstream water quality in the Mississippi River: Journal of the American Water Resources Association, v. 38, no. 3, p. 803-818, doi:10.1111/j.1752-1688.2002.tb00998.x.
Clark, G.M., and Goolsby, D.A., 2000,
Occurrence and load of selected herbicides and metabolites in the lower Mississippi River: The Science of the Total Environment, v. 248, no. 2-3, p. 101-113, doi:10.1016/S0048-9697(99)00534-3.
Clark, G.M., and Goolsby, D.A., 1999,
Discharge of herbicides from the Mississippi River Basin to the Gulf of Mexico, 1991-97: U.S. Geological Survey Fact Sheet FS-163-98, 4 p.
Clark, G.M., and Goolsby, D.A., 1999,
Occurrence and transport of acetochlor in streams of the Mississippi River Basin: Journal of Environmental Quality, v. 28, no. 6, p. 1787-1795, doi:10.2134/jeq1999.00472425002800060014x.
Clark, G.M., and Goolsby, D.A., 1999,
Trends in annual herbicide loads from the Mississippi River Basin to the Gulf of Mexico, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 2 of 3--Contamination of Hydrologic Systems and Related Ecosystems: U.S. Geological Survey Water-Resources Investigations Report 99-4018B, p. 237-246.
Clark, G.M., Goolsby, D.A., and Battaglin, W.A., 1999,
Seasonal and annual load of herbicides from the Mississippi River Basin to the Gulf of Mexico: Environmental Science and Technology, v. 33, no. 7, p. 981-986, doi:10.1021/es980962u.
Coupe, R.H., and Goolsby, D.A., 1992,
Herbicides in the Mississippi River and its major tributaries, April-June 1991, in Proceedings of the 24th Annual Meeting, Mississippi River Research Consortium, LaCrosse, Wisconsin, April 30-May 1, 1992: LaCrosse, Wisconsin, Mississippi River Research Consortium, Inc., p. 18-19.
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Dankwardt, A., Wust, S., Elling, W., Thurman, E.M., and Hock, B., 1994,
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G

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Occurrence and distribution of pesticides in streams of the Midwestern United States, in Leng, M.L., ed., Agrochemical environmental fate--State of the art: Boca Raton, Fla., Lewis Publishers, p. 159-173.
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Nitrogen flux and sources in the Mississippi River Basin: The Science of the Total Environment, v. 248, no. 2-3, p. 75-86, doi:10.1016/S0048-9697(99)00532-X.
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Persistence of herbicides in selected reservoirs in the midwestern United States--Some preliminary results: Iowa Groundwater Quarterly, v. 7, no. 2, p. 11-16 (reprinted from U.S. Geological Survey Open-File Report 93-418).
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Persistence of herbicides in selected reservoirs in the Midwestern United States--Some preliminary results, in Goolsby, D.A., Boyer, L.L., and Mallard, G.E., eds., Selected papers on agricultural chemicals in water resources of the Midcontinental United States: U.S. Geological Survey Open-File Report 93-418, p. 51-63.
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Sources and transport of nitrogen in the Mississippi River Basin, in From the Corn Belt to the Gulf--Agriculture and Hypoxia in the Mississippi River Watershed, Proceedings, St. Louis, Mo., July 14-15, 1997: American Farm Bureau Federation, p. 6.
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Flux and sources of nutrients in the Mississippi-Atchafalaya River Basin--Topic 3, Report for the integrated assessment on hypoxia in the Gulf of Mexico: National Oceanic and Atmospheric Administration NOAA Coastal Ocean Program Decision Analysis Series No. 17, 129 p.
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Occurrence and transport of herbicides and nitrate in the Mississippi River during the 1993 flood--Proceedings of American Water Resources Association meeting, in, Nashville, Tenn., April 17-20, 1994: p. 473-477.
Goolsby, D.A., Battaglin, W.A., and Thurman, E.M., 1993,
Occurrence and transport of agricultural chemicals in the Mississippi River basin, July through August 1993--Floods in the Upper Mississippi River Basin, 1993: U.S. Geological Survey Circular 1120-C, 22 p.
Goolsby, D.A., Boyer, L.L., and Battaglin, W.A., 1994,
Plan of study to determine the effect of changes in herbicide use on herbicide concentrations in midwestern streams, 1989-94: U.S. Geological Survey Open-File Report 94-347, 14 p.
Goolsby, D.A., Coupe, R.H., and Markovchick, D.J., 1991,
Distribution of selected herbicides and nitrate in the Mississippi River and its major tributaries, April through June 1991: U.S. Geological Survey Water-Resources Investigations Report 91-4163, 35 p.
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Sources and transport of nitrogen in the Mississippi River Basin, in Proceedings "From the Corn Belt to the Gulf...Agriculture and Hypoxia in the Mississippi River Watershed," American Farm Bureau Federation Workshop, St Louis, Missouri, July 14-15, 1997: St Louis, Missouri, American Farm Bureau Federation, p. 59-64 (document has no page numbers).
Goolsby, D.A., and Pereira, W.E., 1996,
Pesticides in the Mississippi River, in Meade, R.H., ed., Contaminants in the Mississippi River: U.S. Geological Survey Circular 1133, p. 86-101.
Goolsby, D.A., Scribner, E.A., Thurman, E.M., Meyer, M.T., and Pomes, M.L., 1995,
Data on selected herbicides and two triazine metabolites in precipitation in the midwestern and northeastern United States, 1990-91: U.S. Geological Survey Open-File Report 95-469, 341 p.
Goolsby, D.A., and Thurman, E.M., 1990,
Herbicides in rivers and streams of the Upper Midwestern United States, in The Proceedings of the 46th Annual Meeting of the Upper Mississippi River Conservation Committee, Bettendorf, Iowa, March 13-15, 1990: p. 99-106.
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Pesticides in streams of the Upper Midwestern United States, in Proceedings of the 7th Annual Water and the Future of Kansas Conference, Manhattan, Kansas, March 7-8, 1990: p. 27-28.
Goolsby, D.A., Thurman, E.M., Clark, M.L., and Pomes, M.L., 1991,
Immunoassay as a screening tool for triazine herbicides in streams--comparison with gas chromatographic-mass spectrometric methods, in Vanderlaan, M., Stanker, L.H., Watkins, B.E., and Roberts, D.E., eds., Immunoassays for Trace Chemical Analysis--Monitoring toxic chemicals in humans, food, and the environment: Washington, D.C., American Chemical Society ACS Symposium Series 451, p. 86-99.
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Geographic and temporal distribution of herbicides in surface waters of the upper midwestern United States, 1989-90, in Mallard, G.E., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Monterey, California, March 11-15, 1991: U.S. Geological Survey Water-Resources Investigations Report 91-4034, p. 183-188.
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Herbicides in streams--Midwestern United States, in ASE Irrigation and Drainange Engineering Conference, Proceedings, Honolulu, Hawaii, July 22-26, 1991: p. 17-23.
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Occurrence of herbicides and metabolites in surface water, ground water and rainwater, in the midwestern United States--Proceedings of 1995 AWWA Conference, in, Anaheim, CA, June 18-22, 1995: p. 583-591.
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Herbicides and metabolites in surface water, rainwater, and ground water in the midwestern United States--Proceedings of 209th ACS National Meeting, in, Anaheim, California, April 2-7, 1995: p. 278-281.
Goolsby, D.A., Thurman, E.M., Pomes, M.L., and Battaglin, W.A., 1994,
Temporal and geographic distribution of herbicides in precipitation in the midwest and northeast United States, 1990-91--Proceedings of the Fourth National Pesticide Conference, in, Richmond, Va., November 1-3, 1993: p. 697-710.
Goolsby, D.A., Thurman, E.M., Pomes, M.L., Meyer, M., and Battaglin, W.A., 1996,
Occurrence, deposition, and long range transport of herbicides in precipitation in the Midwestern and Northeastern United States, in Morganwalp, D.W., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Colorado Springs, Colorado, September 20-24, 1993: U.S. Geological Survey Water-Resources Investigations Report 94-4015, v. 1, p. 411-421.
Goolsby, D.A., Thurman, E.M., Pomes, M.L., Meyer, M., and Battaglin, W.A., 1993,
Occurrence, deposition, and long range transport of herbicides in precipitation in the Midwestern and Northeastern United States, in Goolsby, D.A., Boyer, L.L., and Mallard, G.E., eds., Selected papers on agricultural chemicals in water resources of the Midcontinental United States: U.S. Geological Survey Open-File Report 93-418, p. 75-89.
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Herbicides and their metabolites in rainfall--Origin, transport, and deposition patterns across the midwestern and northeastern United States, 1990-1991: Environmental Science and Technology, v. 31, no. 5, p. 1325-1333, doi:10.1021/es960847o.
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Algal toxins--Monitoring recreation freshwaters: LakeLine, v. 29, p. 16-22 (pdf).
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Cyanotoxin mixtures and taste-and-odor compounds in cyanobacterial blooms from the Midwestern United States: Environmental Science and Technology, v. 44, no. 19, p. 7361-7368, doi:10.1021/es1008938.
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Determination of the anionic surfactant di(ethylhexyl) sodium sulfosuccinate in water samples collected from Gulf of Mexico coastal waters before and after Landfall of oil from the Deepwater Horizon oil spill, May to October, 2010: U.S. Geological Survey Open-File Report 2010-1318, 15 p.

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Haack, S.K., 2010,
Antibiotic, pharmaceutical, and wastewater-compound data for Michigan, 1998-2005: U.S. Geological Survey Scientific Investigations Report 2009-5217, 36 p (Appendix (XLS)).
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Chemical and microbiological water quality of subsurface agricultural drains during a field trial of liquid dairy manure effluent application rate and varying tillage practices, Upper Tiffin Watershed, southeastern Michigan: U.S. Geological Survey Open-File Report 2008-1189, 38 p.
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The hydrogeologic framework and a reconnaissance of ground-water quality in the Piedmont Province of North Carolina, with a design for future study: U.S. Geological Survey Water-Resources Investigations Report 88-4130, 55 p.
Hay, L.E., and Battaglin, W.A., 1996,
A visual/interactive method for examining the National Stream Quality Accounting Network (NASQAN) data--Proceedings of Watershed'96, in, Baltimore, Md., June 8-12, 1996: p. 317-319.
Hinkle, S.R., Weick, R.J., Johnson, J.M., Cahill, J.D., S.G., S., and Rich, B.J., 2005,
Organic wastewater compounds, pharmaceuticals, and coliphage in ground water receiving discharge from onsite wastewater treatment systems near La Pine, Oregon--Occurrence and implications for transport: U.S. Geological Survey Scientific Investigations Report 2005-5055, 98 p.
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Occurrence of cyanazine compounds in groundwater--Degradates more prevalent than the parent compound: Environmental Science and Technology, v. 35, no. 6, p. 1217-1222, doi:10.1021/es001520x.
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Occurrence of cotton herbicides and insecticides in playa lakes of the High Plains of West Texas, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 2 of 3--Contamination of Hydrologic Systems and Related Ecosystems: U.S. Geological Survey Water-Resources Investigations Report 99-4018B, p. 227-236.
Thurman, E.M., and Cromwell, A.E., 2000,
Atmospheric transport, deposition, and fate of triazine herbicides and their metabolites in pristine areas at Isle Royale National Park: Environmental Science and Technology, v. 34, no. 15, p. 3079-3085, doi:10.1021/es000995l.
Thurman, E.M., Dietze, J.E., and Scribner, E.A., 2002,
Occurrence of antibiotics in water from fish hatcheries: U.S. Geological Survey Fact Sheet 120-02, 4 p.
Thurman, E.M., and Fallon, J.D., 1996,
The deethylatrazine/atrazine ratio as an indicator of the onset of the spring flush of herbicides into surface water of the Midwestern United States: International Journal of Environmental Analytical Chemistry, v. 65, no. 1-4, p. 203-214, doi:10.1080/03067319608045555.
Thurman, E.M., Goolsby, D.A., Aga, D.S., Pomes, M.L., and Meyer, M.T., 1996,
Occurrence of alachlor and its sulfonated metabolite in rivers and reservoirs of the midwestern U.S.--The importance of sulfonation in the transport of chloroacetanilide herbicides: Environmental Science and Technology, v. 30, no. 2, p. 569-574, doi:10.1021/es950341q.
Thurman, E.M., Goolsby, D.A., Meyer, M.T., and Kolpin, D.W., 1991,
Herbicides in surface waters of the Midwestern United States--The effect of spring flush: Environmental Science and Technology, v. 25, no. 10, p. 1794-1796, doi:10.1021/es00022a018.
Thurman, E.M., Goolsby, D.A., Meyer, M.T., Mills, M.S., Pomes, M.L., and Kolpin, D.W., 1992,
A reconnaissance study of herbicides and their metabolites in surface water of the Midwestern United States using immunoassay and gas chromatography/mass spectrometry: Environmental Science and Technology, v. 26, no. 12, p. 2440-2447, doi:10.1021/es00036a016.
Thurman, E.M., Kolpin, D.W., Goolsby, D.A., and Meyer, M.T., 1998,
Source and transport of desethylatrazine and desisopropylatrazine to groundwater of the midwestern United States, in Ballantine, L.G., McFarland, J.E., and Hackett, D.S., eds., Triazine Herbicides Risk Assessment: Washington, D.C., American Chemical Society ACS Symposium Series 683, p. 189-207.
Thurman, E.M., and Meyer, M.T., 1996,
Herbicide metabolites in surface water and groundwater--Introduction and overview, in Meyer, M.T., and Thurman, E.M., eds., Herbicide metabolites in surface water and groundwater: Washington, D.C., American Chemical Society ACS Symposium Series 630, p. 1-15.
Thurman, E.M., Meyer, M.T., Mills, M.S., Zimmerman, L.R., Perry, C.A., and Goolsby, D.A., 1994,
Formation and transport of deethylatrazine and deisopropylatrazine in surface water: Environmental Science and Technology, v. 28, no. 13, p. 2267-2277, doi:10.1021/es00062a010.
Thurman, E.M., Mills, M.S., and Meyer, M.T., 1996,
Chemistry, degradation, and transport of triazine herbicide metabolites in surface water, in Morganwalp, D.W., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Colorado Springs, Colorado, September 20-24, 1993: U.S. Geological Survey Water-Resources Investigations Report 94-4015, v. 1, p. 455-462.
Thurman, E.M., Zimmerman, L.R., Aga, D.S., and Gilliom, R.J., 2001,
Regional water-quality analysis of 2,4-D and dicamba in river water using gas chromatography - isotope dilution mass spectrometry: International Journal of Environmental Analytical Chemistry, v. 79, no. 3, p. 185-198.
Thurman, E.M., Zimmerman, L.R., Scribner, E.A., and Coupe, R.H., Jr., 1998,
Occurrence of cotton pesticides in surface water of the Mississippi Embayment: U.S. Geological Survey Fact Sheet FS-022-98, 4 p.

U

U.S. Environmental Protection Agency, 2010,
National lakes assessment--A collaborative survey of the Nation's lakes: U.S. Environmental Protection Agency, Office of Water and Office of Research and Development EPA 841-R-09-001.
Ulrich, E.M., Foreman, W.T., Van Metre, P.C., Wilson, J.T., and Rounds, S.A., 2009,
Enantiomer fractions of chlordane components in sediment from U.S. Geological Survey sites in lakes and rivers: Science of the Total Environment, v. 407, no. 22, p. 5884-5893, doi:10.1016/j.scitotenv.2009.08.023.

V

Verplanck, P.L., McCleskey, R.B., and Roth, D.A., 2003,
Inorganic water chemistry of the Boulder Creek watershed, Colorado, during high-flow and low-flow conditions, 2000 (Chapter 4), in Murphy, S.F., Verplanck, P.L., and Barber, L.B., eds., Comprehensive water quality of the Boulder Creek watershed, Colorado, during high-flow and low-flow conditions, 2000: U.S. Geological Survey Water-Resources Investigations Report 03-4045, p. 71-102.
Versteeg, D.J., Alder, A.C., Cunningham, V.L., Kolpin, D.W., Murray-Smith, R., and Ternes, T., 2005,
Environmental exposure modeling and monitoring of human pharmaceutical concentrations in the environment, in Williams, R.T., ed., Human pharmaceuticals - assessing the impacts on aquatic ecosystems: SETAC Press, p. 71-110, ISBN:978-1-880611-82-1.
Verstraeten, I., Meyer, M.T., Skopp, J., Speth, T., Obrist, J.G., and Vogel, J.R., 2003,
Sources, temporal variations, and fate and transport of selected endocrine disruption compounds and pharmaceuticals, Nebraska, USA, in Proceedings of the 3rd International Conference on Pharmaceuticals and Endocrine Disrupting Chemicals in Water, Minneapolis, Minnesota, March 19-21, 2003: National Ground Water Association, p. 292, CD-ROM.
Verstraeten, I.M., Carr, J.D., Steele, G.V., Thurman, E.M., Bastian, K.C., and Dormedy, D.F., 1999,
Surface water/ground water interaction--Herbicide transport into municipal collector wells: Journal of Environmental Quality, v. 28, no. 5, p. 1396-1405, doi:10.2134/jeq1999.00472425002800050002x.
Verstraeten, I.M., Lewis, D.T., McCallister, D.L., Parkhurst, A., and Thurman, E.M., 1996,
Relation of landscape position and irrigation to concentrations of alachlor, atrazine, and selected degradates in regolith in northeastern Nebraska, in Meyer, M.T., and Thurman, E.M., eds., Herbicide metabolites in surface water and groundwater: Washington, D.C., American Chemical Society ACS Symposium Series 630, p. 178-197.
Verstraeten, I.M., McGuire, V.L., and Battaglin, W.A., 1996,
Use of 2D and 3D GIS in well selection and interpretation of nitrate data, central Nebraska, USA, in Kovar, K., and Nachtnebel, H., eds., Application of Geographic Information Systems in Hydrology and Water Resources Management--Proceedings of HydroGIS'96 meeting, Vienna, Austria, April 1996: International Association of Hydrological Sciences Publication No. 235, p. 585-591.
Vogel, J.R., Barber, L.B., Furlong, E.T., Coplen, T.B., Verstraeten, I.M., and Meyer, M.T., 2005,
Occurrence of selected pharmaceutical and non-pharmaceutical compounds and stable hydrogen and oxygen isotope ratios in a riverbank filtration study, Platte River, Nebraska, 2002-2005, volume 2: U.S. Geological Survey Data Series 141, 92 p.
Vogel, J.R., Harris, S.I., Coplen, T.B., Rice, E.W., and Verstraeten, I.M., 2005,
Microbe concentrations, laser particle counts, and stable hydrogen and oxygen isotope ratios in samples from a riverbank filtration study, Platte River, Nebraska, 2002-2004: U.S. Geological Survey Data Series 133, 70 p.
Vogel, J.R., Verstraeten, I.M., Coplen, T.B., Furlong, E.T., Meyer, M.T., and Barber, L.B., 2005,
Occurrence of selected pharmaceutical and non-pharmaceutical compounds, and stable hydrogen and oxygen isotope ratios, in a riverbank filtration study, Platte River, Nebraska, 2001-2003, Volume 1: U.S. Geological Survey Data Series 117, 64 p.

W

Watanabe, N., Bergamaschi, B.A., Loftin, K.A., Meyer, M.T., and Harter, T., 2010,
Use and environmental occurrence of antibiotics in freestall dairy farms with manured forage fields: Environmental Science and Technology, v. 44, no. 17, p. 6591-6600, doi:10.1021/es100834s.
Watkinson, A.J., Murby, E.J., Kolpin, D.W., and Costanzo, S.D., 2009,
The occurrence of antibiotics in an urban watershed--From wastewater to drinking water: Science of the Total Environment, v. 407, no. 8, p. 2,711-2,723, doi:10.1016/j.scitotenv.2008.11.059.
Wentz, D.A., Bonn, B.A., Carpenter, K.D., Hinkle, S.R., Janet, M.L., Rinella, F.A., Uhrich, M.A., Waite, L.R., Laenen, A., and Bencala, K.E., 1998,
Water quality in the Willamette Basin, Oregon, 1991-95: U.S. Geological Survey Circular 1161, 34 p.
Wilde, F.D., Britton, L.J., Miller, C.V., and Kolpin, D.W., 2000,
Effects of animal feeding operations on water resources and the environment--Proceedings of the technical meeting, Fort Collins, Colorado, August 30-September 1, 1999: U.S. Geological Survey Open-File Report 00-204, 107 p.
Wilkison, D.H., Armstrong, D.J., Brown, R.E., Poulton, B.C., Cahill, J.D., and Zaugg, S.D., 2005,
Water-quality and biologic data for the Blue River Basin, Kansas City metropolitan area, Missouri and Kansas, October 2000 to October 2004: U.S. Geological Survey Data Series 127, 166 p.
Wilkison, D.H., Armstrong, D.J., Norman, R.D., Polton, B.C., Furlong, E.T., and Zaugg, S.D., 2006,
Water quality in the Blue River Basin, Kansas City metropolitan area, Missouri and Kansas, July 1998 to October 2004: U.S. Geological Survey Fact Sheet 2006-3103, 6 p.
Wilkison, D.H., Armstrong, D.J., Norman, R.D., Poulton, B.C., Furlong, E.T., and Zaugg, S.D., 2006,
Water quality in the Blue River Basin, Kansas City metropolitan area, Missouri and Kansas, July 1998 to October 2004: U.S. Geological Survey Scientific Investigations Report 2006-5147, 170 p.
Wilkison, D.H., Cahill, J.D., Zaugg, S.D., Poulton, B.C., and Armstrong, D.J., 2004,
Source and fate of pharmaceuticals and selected organic wastewater compounds in the Blue River Basin, metropolitan Kansas City, USA, in Proceedings of the 4th International Conference on Pharmaceuticals and Endocrine Disrupting Chemicals in Water, Minneapolis, Minnesota, October 13-15, 2004: National Ground Water Association, p. 36-37, CD-ROM.
Williams, J.D., Kolpin, D.W., and eds., 2003,
Agricultural hydrology and water quality, in Proceedings of the AWRA 2003 Spring Specialty Conference: Kansas City, MO, American Water Resources Association, p. CD-ROM.
Worrall, F., 2001,
A molecular topology approach to predicting pesticide pollution of groundwater: Environmental Science and Technology, v. 35, no. 11, p. 2282-2287, doi:10.1021/es001593g.
Worrall, F., Besien, T., and Kolpin, D.W., 2002,
Groundwater vulnerability--Interactions of chemical and site properties: The Science of the Total Environment, v. 299, p. 131-143, doi:10.1016/S0048-9697(02)00270-X.
Worrall, F., and Kolpin, D.W., 2004,
Aquifer vulnerability to pesticide pollution - combining soil, land-use and aquifer properties with molecular descriptors: Journal of Hydrology, v. 293, no. 1-4, p. 191-204, doi:10.1016/j.jhydrol.2004.01.013.
Worrall, F., and Kolpin, D.W., 2003,
Direct assessment of groundwater vulnerability from single observations of multiple contaminants: Water Resources Research, v. 39, no. 12, p. 1345-1352, 2002WR001212, doi:10.1029/2002WR001212.
Writer, J.H., Barber, L.B., Brown, G.K., Taylor, H.E., Kiesling, R.L., Ferrey, M.L., Jahns, N.D., Bartell, S.E., and Schoenfuss, H.L., 2010,
Anthropogenic tracers, endocrine disrupting chemicals, and endocrine disruption in Minnesota lakes: Science of the Total Environment, v. 409, no. 1, p. 100-111, doi:10.1016/j.scitotenv.2010.07.018.
Writer, J.H., Ferrer, I., Barber, L.B., and Thurman, E.M., 2013,
Widespread occurrence of neuro-active pharmaceuticals and metabolites in 24 Minnesota rivers and wastewaters: Science of the Total Environment, v. 461-462, p. 519-527, doi:10.1016/j.scitotenv.2013.04.099.
Writer, J.H., Leenheer, J.A., Barber, L.B., Amy, G.L., and Chapra, S.C., 1995,
Sewage contamination in the Upper Mississippi River as measured by the fecal sterol, coprostanol: Water Research, v. 29, no. 6, p. 1427-1436, doi:10.1016/0043-1354(94)00304-P.

Y

Yen, S., Liu, S., and Kolpin, D.W., 1996,
Analysis of nitrate in near-surface aquifers in the midcontinental United States--An application of the inverse hyperbolic sine Tobit model: Water Resources Research, v. 32, no. 10, p. 3003-3011, 96WR02102, doi:10.1029/96WR02102.
Ying, G.G., Kookana, R.S., and Kolpin, D.W., 2009,
Occurrence and removal of pharmaceutically active compounds in sewage treatment plants with different technologies: Journal of Environmental Monitoring, v. 11, no. 8, p. 1498-1505, doi:10.1039/b904548a.

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