sion Educator Award. He earned a B.S. in forestry management and an M.S. in watershed science from the University of Massachusetts and a Ph.D. in soil physics and irrigation science from Utah State University.

William H. Clements is a professor in the Department of Fish, Wildlife, and Conservation Biology at Colorado State University. His research interests include aquatic ecology and ecotoxicology, community responses of aquatic organisms to contaminants, stressor interactions in aquatic ecosystems, and effects of climate change and ultraviolet radiation on streams. Dr. Clements is the author of two textbooks on ecotoxicology. He received the 2006 Presidential Citation from the Society of Environmental Toxicology and Chemistry. He previously served on the National Research Council Committee on Sediment Dredging at Superfund Megasites. Dr. Clements received his B.S. and M.S. in biology from Florida State University and his Ph.D. in zoology from Virginia Tech.

Inez Hua is a professor in the School of Civil Engineering at Purdue University, where she is also founding interim head of the Division of Environmental and Ecological Engineering, College of Engineering. Dr. Hua has completed research projects and published results on various aspects of industrial ecology and sustainability, water pollution control technologies, environmental chemistry, contaminant fate, and remediation technologies. One major theme in her research is technology development for water pollution control in which she has conducted research on innovative technologies such as supercritical water oxidation, ultrasonic irradiation, and engineered photochemical systems. Dr. Hua previously served as a member of the National Research Council Committee for the Technical Assessment of Environmental Programs at the Los Alamos National Laboratory. Dr. Hua received a B.A. in biochemistry from the University of California, Berkeley, and M.S. and Ph.D. degrees in environmental science and engineering from the California Institute of Technology.

Ann S. Maest is an aqueous geochemist with Stratus Consulting, Inc., in Boulder, Colorado, where she designs, conducts, and manages groundwater and surface water hydrogeochemistry studies at mining and other industrial sites. She also works on independent monitoring and capacity-building projects with community and indigenous groups in North and South America. With expertise in the fate and transport of natural and anthropogenic contaminants in groundwater, surface water, and sediment, her work has focused on the environmental effects of mining and petroleum extraction and production and, more recently, on the effects of climate change on water quality. Before joining Stratus Consulting, Dr. Maest was a research geochemist with the U.S. Geological Survey in Menlo Park, California, where she conducted research on metal speciation, and a senior scientist at Environmental Defense in Washington, D.C., where she designed technical and policy approaches to minimize the

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