Service on behalf of United States Federal and State governmental agencies.
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 activities 1983-1990)
U.S. EPA Science Advisory Board (continued): Global
Climate Subcommittee, chair (1988-1989); Subcommittee on Lead and
Subcommittee on Ozone, Clean Air Scientific Advisory Committee, member
(1983-1995); 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).
Nuclear Waste Technical Review Board Member and Chair, Risk and Performance Analysis Panel (1989 - May, 1994)
Federal Energy Administration Special consultant to the Administrator of the for review of the petroleum price regulation program (1977).
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).