FOLLOW-UP STUDY ON THE LUNG RETENTION OF WELDING FUMES AMONG SHIPYARD WELDERS
- 1 November 1983
- journal article
- research article
- Published by Oxford University Press (OUP) in Annals of Occupational Hygiene
- Vol. 27 (4) , 449-452
- https://doi.org/10.1093/annhyg/27.4.449
Abstract
Lung retention and clearance of welding fumes were followed during the years 1976–1982 among 48 shipyard arc welders. The subjects were divided into four groups according to their average exposure time, which varied from 3 to 49 yr. The amount of lung-retained dust was estimated using magnetopneumography. The results indicate that the average clearance rate was 20% per yr. The individual clearances varied between 10 and 30% per yr. Improvements in hygiene in the shipyard were clearly seen in the changes of lung retention rates.Keywords
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