JAMES R. GAVIN (Cochair), Senior Scientific Officer,

Howard Hughes Medical Institute, Chevy Chase, Maryland

DONALD R. MATTISON (Cochair), Medical Director,

March of Dimes Birth Defects Foundation, White Plains, New York

REGINA AUSTIN, William A. Schnader Professor of Law,

University of Pennsylvania Law School

DAVID R. BAINES, Family Practice Physician,

St. Maries Family Medicine Clinic, St. Maries, Idaho

BARUCH FISCHHOFF, Professor of Social and Decision Sciences and Professor of Engineering and Public Policy,

Carnegie Mellon University

GEORGE FRIEDMAN-JIMÉNEZ, Director,

Occupational and Environmental Health Clinic, Bellevue Hospital, New York University

BERNARD D. GOLDSTEIN, Director,

Environmental and Occupational Health Sciences Institute, and

Professor and Chairman,

Department of Environmental and Community Medicine, Robert Wood Johnson Medical School, Piscataway, New Jersey

JAMES G. HAUGHTON, Medical Director,

Public Health Programs and Services, Los Angeles County Department of Health Services, Los Angeles

SANDRAL HULLETT, Health Services Director,

West Alabama Health Services, Inc., Eutaw

LOVELL A. JONES, Director,

Experimental Gynecology-Endocrinology, Department of Gyneologic Oncology, M. D. Anderson Cancer Center, University of Texas at Houston

CHARLES LEE, Director of Environmental Justice,

United Church of Christ Commission for Racial Justice, New York

ROGER O. McCLELLAN, President,

Chemical Industry Institute of Toxicology, Research Triangle Park, North Carolina

ROBERT A. SCALA,* Toxicologist (Retired),

Rehoboth Beach, Delaware

MARY ANN SMITH, Assistant Professor,

School of Public Health, University of Texas at Houston

WALTER J. WADLINGTON, James Madison Professor of Law,

The University of Virginia School of Law, and

Professor of Legal Medicine,

The University of Virginia School of Medicine