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  1. Estimation of individual dust exposure by magnetopneumography in stainless steel production.

    Article, Communication - En anglais

    International Symposium on Biological Monitoring in Occupational and Environmental Health. Espoo (FIN), 1996/09/11.

    Copyright (c) 1997 Elsevier Science B.V. All rights reserved.

    The objectives of the study were to measure the magnetic dust lung burden of workers in stainless steel production by magnetopneumography (MPG) and to investigate the relationship of the results with air-borne concentrations of dust, total and hexavalent chromium as well as urinary excretion of chromium.

    There were 128 workers from the chromite mine, sintering plant, ferrochrome smelter, stainless steel smelting shop, cold rolling mill and welding shop in the exposed groups and five persons from the office staff in the control group.

    The remanent magnetic field (RMF) in the lungs was slightly elevated among workers in the ferrochromium and steel smelting shops ; the levels were, however, lower than those reported for welders earlier and those observed in the welding/repair shop.

    Workers in the mine, concentrator and sintering plants and in the cold rolling mill exhibited remanent magnetic fields comparable to the referents.

    There was a relationship between the RMF and the actual urinary chromium concentration.

    Miners and concentrator and sintering plant workers showed retarded relaxation rate (ReR) of the remanent magnetic field.

    However, the RMF of the first two of these groups were low (<0.1 nT) and this made it difficult to measure the ReR accurately.

    The duration of exposure correlated weakly but significantly with the relaxation rate, while smoking was not related to it. 1997 Elsevier Science B.V.

    Mots-clés Pascal : Poussière, Industrie métallurgique, Acier inoxydable, Magnétique, Surveillance biologique, Homme, Exposition professionnelle, Médecine travail, Chrome, Chrome VI, Rétention, Détection, Dépistage, Magnétopneumographie, Poussière magnétique

    Mots-clés Pascal anglais : Dust, Metallurgical industry, Stainless steel, Magnetic, Biological monitoring, Human, Occupational exposure, Occupational medicine, Chromium, Chromium VI, Retention, Detection, Medical screening

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 97-0528854

    Code Inist : 002B03L03. Création : 13/02/1998.