Government Service

U.S. Environmental Protection Agency Science Advisory Board

Subcommittee on Risk Assessment

• Member (1979-1982)

Environmental Health Committee

• Member (1982-1990), Vice-Chairman (1985-1990)

Panel on Research in Support of Risk Assessment

• Chairman

Carcinogenicity Risk Assessment Guidelines Review Group

• Member

Extrapolation Models Review Panel

• Member

Integrated Environmental Management Subcommittee

• Co-Chairman

Acute Toxics Subcommittee

• Vice-Chairman

Stratospheric Ozone Subcommittee

• Vice-Chairman

Hazard Ranking System Review Subcommittee

• Member. (Above seven activities during 1983-1990)

Global Climate Subcommittee

• Chair (1988-1989)

Subcommittee on Lead and Subcommittee on Ozone, Clean Air Scientific Advisory Committee

• Member during periods from 1983 to 1995.

Committee on Residual Risk Strategy for Air Toxics

• Member (1998)

Special Council Panel for the Review of the Third 812 Analysis

(EPA Report to Congress on costs and benefits of air pollution regulation)

• Consultant (2003-2004)

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Nuclear Waste Technical Review Board

• Member and Chair, Risk and Performance Analysis Panel (1989 - May, 1994)

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Federal Energy Administration

• Special consultant to the Administrator of the for review of the petroleum price regulation program (1977)

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State of California

• Member, Scientific Advisory Panel, Safe Drinking Water and Toxic Enforcement Act of 1986 (Proposition 65); Co-Chair, Risk Assessment Subpanel (1987-1989)
• Member, Independent Science Board, California Bay-Delta Authority (February-May, 2005)