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MAP20071020215Feigley, Charles E.Penetration of several filter materials by asbestos as a function of fiber dimensions / Charles E. Feigley, Hung Chung ChenSumario: The purpose of this research was to determine the penetration of several filter materials commonly used in building air handling systems by asbestos fibers. An airstream containing tremolite asbestos fibers was passed through these materials and the upstream and downstream fiber concentrations were measured by membrane filtration and scanning electron microscopyEn: American Industrial Hygiene Association journal. - Akron, Ohio. - Vol. 53, nº 12, December 1992 ; p. 767-7721. Higiene industrial. 2. Contaminantes químicos. 3. Amianto. 4. Fibra de vidrio. 5. Contaminación atmosférica. 6. Control de la contaminación. 7. Filtros. I. Chen, Hung Chung. II. Título. III. Título: American Industrial Hygiene Association journal.