CHARLES H.HOBBS (Chair) is director of the Toxicology Division at the Lovelace Respiratory Research Institute. He received his D.V.M. from Colorado State University. His research focuses on the long-term biological effects of inhaled materials and the mechanisms by which they act. He is a diplomate of the American Board of Toxicology and certified in general toxicology. Dr. Hobbs serves as a member of the Committee on Toxicology and previously served on the Committee on Toxicological and Performance Aspects of Oxygenated fuels.

JANICE E.CHAMBERS is professor and director of the Center for Environmental Health Sciences in the College of Veterinary Medicine at Mississippi State University. She received her Ph.D. in animal physiology from Mississippi State University. Her research focuses on neurotoxicology of insecticides including neurochemical and behavior studies and insecticide metabolism. She is a diplomate of the American Board of Toxicology. Dr. Chambers previously served as a member of the NRC's Panel on Life Sciences for postdoctoral fellowships.

FRANK N.DOST is professor emeritus from the Department of Agricultural Chemistry at Oregon State University and affiliate professor in the Department of Environmental Health at the University of Washington. He received his D.V.M. from Washington State University. Dr. Dost's research interests include the estimation of environmental and occupational chemical exposure and risk assessment and the metabolic fate of toxicants. Previously, Dr. Dost served on the NRC committee on toxicology of hydrazines.

DALE B.HATTIS is research professor in the Center for Technology, Environment, and Development at Clark University. He received his Ph.D. in genetics from Stanford University. His research focuses on the development and application of methodologies to assess the health impacts of regulatory options with an emphasis on incorporating interindividual variability data into risk assessments for both cancer and non-cancer endpoints. Previously, Dr. Hattis was a member of the NAS/IOM Committee on Evaluation of the Safety of Fishery Products and the NRC Committee on Neurotoxicology and Risk Assessment.

MATTHEW C.KEIFER is co-director of the Pacific Northwest Agricultural Safety and Health Center and director of the occupational medicine program at the University of Washington. He received his M.D. from the University of Illinois and his M.P.H. from the University of Washington. Dr. Keifer's research interests focus on the health of agricultural workers with specific focus on the health effects of occupational pesticide exposure. He is a diplomate of the American Board of Internal Medicine.

ULRIKE LUDERER is assistant professor with the Center for Occupational and Environmental Health at the University of California at Irvine. She received her M.D. and Ph.D. from Northwestern University and her M.P.H. from the University of Washington. Dr. Luderer's research focuses on reproductive effects and neuroendocrine alterations as a result of exposure to environmental toxicants, particularly volatile organics. She is a diplomate of the American Board of Internal Medicine.

GLENN C.MILLER is director of the Center for Environmental Sciences and Engineering at the University of Nevada, Reno. He received his Ph.D. in Agricultural Chemistry from the University of California at Davis. Dr. Miller's research focuses on the fate and transport of airborne pesticides following major uses and the effects of deposited residues on soils including their photodegradation.

SYLVIA S.TALMAGE is a toxicologist in the Life Sciences Division at Oak Ridge National Laboratory. She received her Ph.D. in ecology/environmental toxicology from the University of Tennessee. Dr. Talmage's research focuses on the sources, fate, and toxicity of chemical warfare agents. She is a diplomate of the American Board of Toxicology and certified in general toxicology.