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- Title
Development of a Filter Assembly to Match the Deposition of Ultrafine Aerosol in the Lung: A Pilot Study with Beryllium.
- Authors
McCAWLEY, M.; MARTIN, S.; MOYER, E.; BERAKIS, M.; HORNSBY-MYERS, J.; KENT, M.
- Abstract
A new criterion has previously been proposed for assessing inhalation risk from ultrafine aerosols. This deposited submicrometer particulate (DSP) criterion matches the lung deposition curve for aerosols with a size of <1 µm. A method for matching the DSP criterion using racketched polycarbonate filters has been described in the literature, but the sampling results must be adjusted by a correction factor to match the DSP curve. A new design that matches the criterion without the need for any correction factors and has been used with a real-time particle counter to measure processes in the beryllium industry where data suggest that the ultrafine (<0.1 µm) fraction of beryllium might be an important metric for predicting disease.
- Subjects
POLYCARBONATES; CORRECTION factors; BERYLLIUM industry; ATMOSPHERIC aerosols; INFLAMMATION
- Publication
Annals of Occupational Hygiene, 2002, Vol 46, p215
- ISSN
0003-4878
- Publication type
Article
- DOI
10.1093/annhyg/46.suppl_1.215