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The report gives results of a study in which the open combustion of a non-metallic waste product called 'fluff' was simulated and the resulting emissions collected and characterized to gain insight into the types and quantities of these air pollutants. (NOTE: The reclamation process for recyclable ferrous and non-ferrous metals from scrap automobiles generates fluff consisting of a combination of glass, plastics, rubber, wood products, and electrical wiring. The waste product is often stockpiled or landfilled. A number of the stockpiles have caught fire, resulting in the emission of many air pollutants). Samples were collected and analyzed for volatile and semivolatile organics, particulate, and metal aerosols. Typical combustion process gases--carbon dioxide, carbon monoxide, nitric oxide, oxygen, and unburned hydrocarbons--were monitored continuously. Of 11 metal aerosols characterized, cadmium, copper, lead, and zinc were found in significant quantities.