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MAP20071020063The Effectiveness of the Duo-Flo BioClean unit for controlling airborne antigen levels / Beth Ziemann... [et al.]Sumario: The purpose of this study was to evaluate one specific engineering control deveice that is presently on the market, a Duo-Flo BioClean unit for its effectiveness at reducing laboratory airborne allergen concentrations. Airborne allergen concentrations and particle size distributions were investigated with the control unit operating in both the positive and negative pressure modesEn: American Industrial Hygiene Association journal. - Akron, Ohio. - Vol. 53, nº 2, February 1992 ; p. 138-1451. Higiene industrial. 2. Contaminantes biológicos. 3. Contaminación atmosférica. 4. Control de contaminantes. 5. Sistemas de limpieza del aire. 6. Métodos de control. 7. Control biológico. 8. Muestreos. 9. Partículas ambientales. I. Ziemann, Beth. II. Title. III. Título: American Industrial Hygiene Association journal.