This report to Congress presents the accomplishments and activities of the Task Force on Environmental Cancer and Heart and Lung Disese in its third year. Research recommendations are made in four scientific areas, including multimedia pollutant exposure and health effects, transport and fate of pollutants in the biosphere and food chain, biological and chemical measurement methodology and data analysis, and pollutants in ground and surface water sources. Another major recommendation is the establishment of the Interagency Education Program Liaison Group (IEPLG), within the Tast Force, to coordinate and stimulate Federal activities in environmental and occupational health professional education. The IEPLG also includes curriculum, faculty, student, continuing education and research subrecommendations. A mechanism to generate an interagency inventory of research programs to identify areas of overlap or oversight is described. Information exchange and liaison activities with related groups are presented; these include information interchange on data bases, risk assessment, and disease costs and publication of a monthly calendar of events and two editions of a directory of interagency Federal groups concerned with environmental health. Task Force subcommittee activities are summarized for health professional environmental health education, environmental exposure and metabolic mechanisms, and standardization of measurements and tests.