Ann. occup. Hyg., Vol. 42, No. 7, pp. 453-465, 1998
© 1998 British Occupational Hygiene Society
Published by Oxford University Press
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Personal Thoracic CIP10-T Sampler and Static Version CATHIA-T
Institut National de Recherche et de Sécurité BP 27, Avenue de Bourgogne, F-54501 Vandoeuvre, France
*Author to whom correspondence should be addressed
A specific version of the personal aerosol sampler CIP 10 was designed, named CIP10-T, for sampling the conventional CEN thoracic fraction. A static sampler, named CATIIIA, was also designed. It uses the same sampling head, but the size selected particles are collected onto a filter. The combined particle efficiency of the aspiration slot and the selector was measured in a horizontal wind tunnel at low air velocity, close to 16 cm s–1. The flow rate of both samplers was fixed at its nominal value, i.e., 71min–1. Two different methods were used: the former was based on the Aerodynamic Particle Sizer (TSI); the latter used the measurement of particle size distribution of the collected samples by the Coulter technique. For the CIP10-T sampler, the particle collection efficiency onto the rotating cup was also measured. For both samplers bias and accuracy maps have been calculated, following the recommendations of a new CEN standard about sampler performance. The bias does not exceed 10% in absolute value for both samplers, within a large range of particle size distribution of the total aerosol. For the CIP10-T sampler, the accuracy map exhibits a large area where the accuracy is better than 10%, corresponding for example to 4 µm 
MMAD14 µm for GSD = 2. For the same geometric standard deviation, the accuracy is still better than 20% for 15µm MMAD 21 µm. For the CATHIA-T sampler, the accuracy map can be roughly divided into two parts. The accuracy remains better than 10% for MMAD 12 µm, and it remains between 10 and 20% for coarser aerosols, with 13 µm MMAD 20 µm, provided GSD 
2. © 1998 British Occupational Hygiene Society. Published by Elsevier Science Ltd.
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