American Board of Toxicology. She received her PhD in toxicology from North Carolina State University.

MARCIE FRANCIS is a senior research scientist for Battelle and focuses on environmental and occupational exposure and risk for the Statistics and Data Analysis Division. She was recently the senior director of science policy with the Chlorine Chemistry Council. Dr. Francis has expertise in occupational and environmental exposure assessment, epidemiology, biostatistics, and risk assessment. She holds a PhD in environmental health sciences from the University of California, Berkeley, and she is a certified industrial hygienist.

SIDNEY GREEN, Jr., is graduate professor of pharmacology at Howard University College of Medicine. Dr. Green’s research interests include tissue culture, alternatives to using animals in toxicology, and mutagenic assay systems for genetic toxicology. He has served on the editorial boards of several scientific journals, and he is a fellow of the Academy of Toxicological Sciences. Dr. Green is a member of the National Research Council Committee on Toxicology and has served on several other National Research Council panels, including the Subcommittee on Acute Exposure Guideline Levels and the Subcommittee on the Toxicity of Diisopropyl Methylphosphonate. He received his PhD in biomedical pharmacology from Howard University.

ROBERT HAMLIN is professor in the Department of Veterinary Biosciences at Ohio State University. Dr. Hamlin’s research focuses on pulmonary mechanics, cardiac function, comparative electrocardiology, and models of heart failure and responses to vasoactive chemicals. He is a diplomate of the American College of Veterinary Internal Medicine. Dr. Hamlin received his PhD and DVM from Ohio State University.

DAVID KOTELCHUCK is associate professor in the Urban Public Health Program and director of the Center for Occupational and Environmental Health at the Hunter College School of Health Sciences. He is also deputy director of the New York/New Jersey NIOSH Education and Research Center. Dr. Kotelchuck works with community-based organizations, schools, libraries, labor unions, private employers, and municipal and state agencies to improve community and workplace health. He is a certified industrial hygienist and received his PhD in physics from Cornell University and his MPH from Harvard University.

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