Risk-Based Waste Classification in California (1999)

ROGENE HENDERSON (Chair), Lovelace Respiratory Research Institute, Albuquerque, New Mexico

Rogene Henderson is a senior scientist in the Toxicology Division of the Lovelace Respiratory Research Institute in Albuquerque, New Mexico. She received her B.A. from Texas Christian University and her Ph.D. in chemistry from the University of Texas at Austin. Dr. Henderson is a diplomate of the American Board of Toxicology. She has served on many NRC committees, including the Committee on Epidemiology of Air Pollutants and the Committee on Biologic Markers. Dr. Henderson chaired the NRC's Committee on Toxicology (COT) from 1992–1998. During that period she also chaired COT's Subcommittee on Pulmonary Toxicology, its Subcommittee on PELs for Military Jet Fuels, and its Subcommittee to Review the Army's Toxicologic Risk Assessment of Zinc-Cadmium Sulfide. Dr. Henderson is currently a member of the NRC Board on Environmental Studies and Toxicology.

MARK W. BELL, Parsons Brinckerhoff Energy Services, Inc., Denver, Colorado

Mark W. Bell is assistant vice president and Denver area manager of Parsons Brinckerhoff Energy Services, Inc. He received his M.S. in

environmental science from the University of Colorado. He is a member of the Association of Ground Water Scientists and Engineers and the Colorado Ground Water Association. He works as an environmental scientist, and he has covered environmental studies and remediation, regulatory compliance, and program/project management. As area manager of the Denver office, he is responsible for managing the firm's environmental consulting operations in the western U.S., including property transfer, environmental site assessment, environmental impact assessment, cleanup/mitigation development and implementation, environmental permitting, and design/construction support.

JOSEPH F. BORZELLECA, Virginia Commonwealth University, Richmond, Virginia

Joseph F. Borzelleca is emeritus professor of pharmacology and toxicology in the Department of Pharmacology and Toxicology at Virginia Commonwealth University, Medical College of Virginia. He earned his Ph.D. in pharmacology from Thomas Jefferson University Medical College. His research interests include the toxicology of substances of economic importance (e.g. food additives, pesticides, water contaminants) and biodisposition of chemicals including drugs. Dr. Borzelleca has served on several NRC committees including the Committee on Toxicology, the Committee on Food Additives Survey Data, the Committee on Toxicology's Subcommittee on Disinfectants, and the Committee on Safe Drinking Water.

EDWIN H. CLARK, II, Clean Sites, Inc., Washington, DC

Edwin H. Clark is president of Clean Sites Inc., in Washington, DC. He is the former Secretary of Natural Resources and Environmental Control for the State of Delaware, Vice President of the Conservation Foundation, and Associate Assistant Administrator for pesticides and toxic substances in the U.S. Environmental Protection Agency. He holds a Ph.D. in applied economics from Princeton University. He has served as a member of the NRC Board on Environmental Studies and Toxicology.

EDMUND A.C. CROUCH, Cambridge Environmental, Inc., Cambridge, Massachusetts

Edmund A.C. Crouch is a senior scientist for Cambridge Environmental, Inc., and an Associate of the Department of Physics at Harvard

University. Dr. Crouch holds a B.A. in Natural Sciences (Theoretical Physics) and a Ph.D. in High Energy Physics, both from Cambridge University, United Kingdom. Dr. Crouch has published widely in the areas of environmental quality, risk assessment, and presentation and analysis of uncertainties. He has co-authored a major text in risk assessment, Risk/Benefit Analysis. Dr. Crouch has served as an advisor to various local and national agencies concerned with public health and the environment. He has written computer programs for the sophisticated analysis of results from carcinogenesis bioassays; has developed algorithms (on the levels of both theory and computer implementation) for the objective quantification of waste site contamination; and has designed Monte Carlo simulations for purposes of fully characterizing uncertainties and variabilities inherent in health risk assessment. Dr. Crouch currently serves as a member of the NRC Committee on the Health Effects of Waste Incineration.

JOHN P. GIESY, Michigan State University, East Lansing, Michigan

John P. Giesy is Distinguished Professor of Zoology in the College of Natural Science at Michigan State University. He also holds appointments in the Institute for Environmental Toxicology and National Food Safety and Toxicology Center. He received his Ph.D. in limnology from Michigan State University in 1974. His research interests include cycling of heavy metals, uptake and availability of heavy metals in aquatic systems, aquatic toxicology, and pesticides. He is the author of over 230 books, book chapters, and journal publications. Currently, he serves on the National Research Council's Committee on Hormonally Active Agents in the Environment and the National Academy of Medicine's panel on the ecological effects of dioxins in Vietnam.

P. BARRY RYAN, Emory University, Atlanta, Georgia

P. Barry Ryan is professor, Exposure Assessment and Environmental Chemistry in the Department of Environmental and Occupational Health at the Rollins School of Public Health of Emory University with a joint appointment as Professor in the Department of Chemistry. Before joining the faculty at Emory in 1995, Dr. Ryan was Associate Professor of Environmental Health at Harvard School of Public Health. He earned his Ph.D. in computational chemistry from Wesleyan University. Research conducted by Dr. Ryan focuses on multimedia, multi-pollutant human exposure assessment and non-traditional pathways of exposure.

He has authored many journal articles and conference papers in his field of expertise.

JAMES N. SEIBER, U.S. Department of Agriculture, Albany, California

James N. Seiber is director of the Western Regional Research Center, U.S. Department of Agriculture. He earned his Ph.D. in organic chemistry from Utah State University. His research interests include environmental analysis and fate of biologically active chemicals, particularly pesticides, industrial byproducts and plant-derived poisons. He was a member of the NRC Committee on Risk Assessment of Hazardous Air Pollutants and Pesticides in the Diets of Infants and Children, and is currently a member of the Committee on Future Role of Pesticides in Agriculture.

CURTIS C. TRAVIS, Project Performance Corporation, Knoxville, Tennessee

Curtis C. Travis is Vice President at Project Performance Corporation. He received his Ph.D. in applied mathematics from the University of California, Davis. As vice president, he is responsible for providing information, engineering and environmental support to government and private sector clients. Previously, he was director of the Center for Risk Management at the Oak Ridge National Laboratory. He has served on several NRC committees including the Subcommittee on Contaminant Plumes, the Committee on Remedial Action Priorities for Hazardous Waste Sites, and the Panel to Review Planned DOE Disposal of Radioactive Waste in Single Shell Tanks at Hartford.