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LABORATORY AND FIELD TESTING OF A CALIBRATION TOOL (CALTOOL) FOR EVALUATING PERSONAL AEROSOL SAMPLERS PERFORMANCES


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S. FAUVEL (1), G. BASSO (1) et O. WITSCHGER(2), l'European Aerosol Conference, du 31/08/ au 05/09/2003, Madrid

(1)Institut de Radioprotection et de Sûreté Nucléaire, IRSN/DPEA/SERAC, BP 68, 91192 Gif-sur-Yvette Cedex, France

(2)Institut National de Recherche et de Sécurité, INRS, Laboratoire de Métrologie des Aérosols, Avenue de Bourgogne, BP 27, 54501 Vandoeuvre-les-Nancy, France

Type de document > *Congrès/colloque

Mots clés > aérosols-sources et transferts

Unité de recherche > IRSN/DSU/SERAC

Auteurs > BASSO Guillaume, FAUVEL Sylvain

Date de publication > 12/01/2004

Résumé

The conventional methods of testing the sampling performances of personal inhalable aerosol samplers utilize laboratory-based facilities and experimental protocols rather complex that also idealize the conditions to which the samplers are exposed (uniform airflow and aerosol concentration). However, in many work tasks and practices, the air environment is not uniform and the worker often operates being in a close vicinity of a aerosol point source. This suggest that performance testing should be performed for any personal aerosol sampler in the actual workplaces conditions where the environmental conditions are not controlled. For this task, as part of an European Project, a novel calibration tool has been designed and developed. This instrument (CALTOOL) is thought to provide the standard against which a candidate personal aerosol sampler is compared and finally calibrated. The CALTOOL is based on a simplification of the shape of the human body with the reference concentration to be determined by sampling through the mouth of the simplified head at a constant flow rate of 20 L/min. The CALTOOL has been partially evaluated through laboratory experiments (Mark et al., 2000). The objectives of the study was to pursue the CALTOOL laboratory testing and to carry out field tests in real workplaces.