On June 28-30, 1983, METC sponsored the Third Annual Advanced Gasification Projects Contractors'Meeting, which was held at Sheraton Lakeview, Morgantown, West Virginia. The purpose of the meeting was threefold: to review the technical progress and current status of DOE's advanced gasification projects; to foster technology exchange among participating researchers; to facilitate interactive dialogues that would identify research needs and aid in planning future advanced gasification research activities. Fifty representatives of government, academia, and industry attended the three-day meeting. Forty-one papers were presented summarizing recent developments in fundamental mechanisms/innovative concepts, modeling, and gas cleanup/waste-water treatment. Scientists, engineers, and administrators discussed many of today's issues that face those engaged in the research and development activities that constitute the advanced gasification program. All papers in this proceeding were processed for inclusion in the Energy Data Base.