water (Egypt) and the IAEA in Vienna. Central America and the South Caucasus are the current foci of his international work. He has served on six National Research Council committees. Dr. Campana is founder, president, and treasurer of the Ann Campana Judge Foundation (www.acjfoundation.org), a 501(c)(3) charitable foundation that funds and undertakes projects related to water, sanitation, and hygiene (WaSH) in Central America. He operates the WaterWired blog and Twitter. He earned a B.S. in geology from the College of William and Mary and M.S. and Ph.D. degrees in hydrology from the University of Arizona.

Jennifer A. Field is a professor at Oregon State University in the Department of Environmental and Molecular Toxicology. Dr. Field holds a B.S. in earth science from Northland College and a Ph.D. from Colorado School of Mines. An analytical chemist, her research interest is in understanding the occurrence, transport, and fate of contaminants in groundwater, surface water, and waste water effluent. An expert in analytical methods development, she currently focuses on detection of organic contaminants such as illicit drugs, fluorine-containing compounds, and nanomaterials in water. She held a student appointment with the USGS Water Resource Discipline National Research Program from 1987-1990. Dr. Field is an associate editor for Environmental Science &Technology.

George R. Hallberg is a principal with the Cadmus Group, Inc., in Watertown, Massachusetts, conducting environmental science and policy research, regulatory analysis, and management services. Previously he was associate director and chief of environmental research at the University of Iowa’s environmental and public health laboratory and at the Iowa Department of Natural Resources. Dr. Hallberg was also an adjunct professor at both the University of Iowa and Iowa State University. He chaired the NRC Committee on Water Resources Activities at the U.S. Geological Survey (2009) and the Committee on Opportunities to Improve the USGS National Water-Quality Assessment (NAWQA) program (2002); he also has served on the Committee for Assessment of Water Resources Research, and others, and as a member of the NRC Board on Agriculture and Natural Resources. He served on the U.S. Environmental Protection Agency (EPA) National Advisory Council for Environmental Policy and Technology and on the Office of Water’s Management Advisory Group. He is a National Associate of The National Academies. His research interests include environmental monitoring and assessment, agricultural-environmental impacts, chemical and nutrient fate and transport, contaminant occurrence and trends in drinking water, and health effects of environmental contaminants. Dr. Hallberg received a B.A. in geology from Augustana College and a Ph.D. in geology from the University of Iowa.

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