Fifteen reports describe the findings and accomplishments of the NATO/CCMS Pilot Study on International Information Exchange on Dioxins and Related Compounds, which began May 1985, in Brussels, Belgium, and concluded April 1988, in Berlin, Germany. Working groups report on exposure and hazard assess

Erich W. Bretthauer, Chairman of the Exposure and Hazard Assessment Working Group U. s. Environmental Protection Agency Washington, D. C. The efforts of the Exposure and Hazard Assessment Working Group were focused on the exchange of information on a variety of topics including research projects, regulations/statutes, analytical laboratories, and methods of exposure/risk assessment involving CDDs and CDFs. It was evident to the leaders of the Working Group that several of the knowledge voids had to be addressed on a fundamental level before expanded efforts could be made. Several questions...