quality research on particulate matter, ozone, air toxics, and visibility issues. He is a fellow of the American Statistical Association. He previously served with the Organization for Economic Cooperation and Development in Paris, where he coauthored a book on evaluation of environmental damage. He has served on several committees of the NRC and EPA's Science Advisory Board.

TERRY F. YOSIE, Chemical Manufacturer's Association, Arlington, Virginia.

Terry Yosie is vice president of Strategic Communications at Chemical Manufacturers Association. He earned his doctorate from the College of Humanities and Social Sciences at Carnegie Mellon University. He has approximately twenty years of professional experience in managing and analyzing the use of scientific information in the setting of environmental standards. From 1978 to 1981, he was the first Executive Director of the Clean Air Scientific Advisory Committee (CASAC) which is responsible for reviewing the scientific basis of National Ambient Air Quality Standards. He served as Director of EPA's Science Advisory Board (1981–1988) and as Vice President for Health and Environment at the American Petroleum Institute (1988–1992). From 1992 to 1999, Dr. Yosie was executive vice president of Ruder Finn, Inc. where he was responsible for the firm's environmental management practice. He was a member of the NRC Committee to Review the Structure and Performance of the Health Effects Institute and currently serves on the NRC's Board on Environmental Studies and Toxicology. He is also a consultant to EPA's Science Advisory Board.