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A Review of the California Environmental Protection Agency's Risk Assessment Practices, Policies, and Guidelines

This report is the product of an external peer review of the policies, methods, and practices that the California Environmental Protection Agency (Cal/EPA) uses to conduct chemical risk assessment. The review was conducted by the Risk Assessment Advisory Committee, a panel of distinguished scientists outside State government. The purpose of the review was twofold: (1) to determine if Cal/EPA risk assessment practices are based on sound science, and (2) to assess the appropriateness of any differences in these practices with those of the US Environmental Protection Agency (US EPA), the National Academy of Sciences (NAS) and other similar bodies.

Risk Assessment Advisory Committee

Core Members

  • Herschel Griffin, M.D., California State University San Diego, emeritus

  • Judith MacGregor, Ph.D., D.A.B.T., consultant and California State University San Diego, adjunct

  • John Moore, D.V.M., D.A.B.T., Institute for Evaluating Health Risks, Washington, D.C.

  • James Seiber, Ph.D., University of Nevada, Reno and University of California at Davis, emeritus (Chair)

  • Robert Spear, Ph.D., University of California at Berkeley (Vice-Chair)

Experts in Hazard Identification

  • Andrew Hendrickx, Ph.D., University of California at Davis

  • Charles Lapin, Ph.D., D.A.B.T., ARCO

  • Thomas Mack, M.D., M.P.H., University of Southern California (Expert Lead)

  • Ronald Melnick, Ph.D., National Institute of Environmental Health Sciences, North Carolina

  • John Peters, M.D., M.P.H., Sc.D., University of Southern California

  • Richard Thomas, Ph.D., D.A.B.T., International Center for the Environment and Health, Virginia

Experts in Dose-Response Assessment

  • Richard Clark, Ph.D., D.A.B.T., UNOCAL

  • Kenny Crump, Ph.D., ICF Kaiser, KS Crump Division, Louisiana

  • Clay Frederick, Ph.D., D.A.B.T., Rohm & Haas, Pennsylvania

  • Jerold Last, Ph.D., University of California at Davis (Expert Lead)

  • Christopher Portier, Ph.D., National Institute of Environmental Health Sciences, North Carolina

Experts in Exposure Assessment 1. Human Intake Parameters, Inter-media Transfers and Exposure Monitoring

  • Hoda Anton-Culver, Ph.D., University of California at Irvine

  • Gladys Block, Ph.D., University of California at Berkeley

  • Alison Cullen, Sc.D., University of Washington (Expert Co-lead)

  • Howard Maibach, M.D., University of California at San Francisco

  • Fumio Matsumura, Ph.D., University of California at Davis

  • William Nazaroff, Ph.D., University of California at Berkeley (Expert Co-lead)

  • Wayne Ott, Ph.D., Stanford University

  • Paul Price, M.S., ChemRisk, Maine

Experts in Exposure Assessment 2. Contaminant Fate and Transport

  • Steve Brown, Ph.D., Risks of Radiation and Chemical Compounds (R2C2)

  • Steve Gorelick, Ph.D., Stanford University

  • Andre Journel, Ph.D., Stanford University

  • William Nazaroff, Ph.D., University of California at Berkeley (Expert Lead)

  • Kent Udell, Ph.D., University of California at Berkeley

  • Akula Venkatram, Ph.D., University of California at Riverside

  • William Yeh, Ph.D., University of California at Los Angeles

Experts in Variability, Uncertainty and Risk Characterization

  • Thomas Burke, Ph.D., M.P.H., Johns Hopkins University, Maryland

  • Adam Finkel, Sc.D., U.S. Occupational Safety and Health Administration, Washington, D.C.

  • William Walker, M.D., Contra Costa County Health Services Department

  • James Wilson, Ph.D., Monsanto (retired) and Resources for the Future, Washington, D.C. (Expert Lead)

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