makers and other stakeholders to promote effective environmental policy options in the areas of air quality and climate change. He is a member of the EPA’s Clean Air Act Advisory Committee. Mr. Bradley earned his M.S. degree in Environmental Management from the University of Washington.

Richard Burnett is a senior research scientist with the Healthy Environments and Consumer Safety Branch of Health Canada, where he has been working since 1983 on issues relating to the heath effects of outdoor air pollution. He is also an adjunct professor in the Department of Epidemiology and Community Medicine at the University of Ottawa. He received his Ph.D. from Queen’s University in Mathematical Statistics. Dr. Burnett’s work has focused on the use of administrative health and environmental information to determine the public health impacts of combustion related pollution using nonlinear random effects models, time series, and spatial analytical techniques.

Dallas Burtraw is a senior fellow in the Quality of the Environment Division at Resources for the Future. His research interests include restructuring of the electric utility market, the social costs of environmental pollution and benefit-cost and cost-effectiveness analysis of environmental regulation. Dr. Burtraw has investigated the effects on electric utilities of the emission-permit trading program legislated under the 1990 Amendments to the Clean Air Act. He has also evaluated the benefits of sulfur dioxide emission reductions as related to Title IV. He received his Ph.D. in economics from the University of Michigan.

Laurence Caretto is professor of mechanical engineering at California State University, Northridge (CSUN). He received his Ph.D. in engineering from the University of California, Los Angeles. Dr. Caretto served as chair of the Department of Mechanical and Chemical Engineering and Associate Dean of the College of Engineering and Computer Science. He was a partner at Sierra Research, a private firm that consults on federal and state regulations on air quality and emissions standards. Dr. Caretto served as a member and vice chair of the California Air Resources Board. His research interests are in combustion-generated air pollution and computational fluid dynamics.

Costel Denson is professor of chemical engineering at the University of Delaware. He received his Ph.D. from the University of Utah. His research has focused on the rheology and processing of polymeric materials and he is a fellow of the Society of Plastics Engineers. Dr. Denson has served as vice provost for Research at the University of Delaware where he was responsible for the administration of all aspects of the research enterprise. He has served as chair of EPA’s Board of Scientific Counselors

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