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  1. External and internal antimony exposure in starter battery production.

    Article - En anglais

    In the production of lead batteries two antimony compounds occur : in the casting of grids antimony trioxide (Sb2O3), and in the formation of lead plates stibine (SbH3).

    Seven workers from the grid-casting area and 14 workers from the formation area were examined with regard to the antimony concentration in blood (Sb-B) and urine (Sb-U).

    Antimony air concentrations (Sb-A) were measured by means of personal air samplers.

    Urine samples were collected at the end of the working week, at the beginning (U1) and the end (U2) of the shift, and at the beginning of work following a weekend without Sb exposure (U3).

    At U2 among the casters the median Sb-A exposure was 4.5 (1.18-6.6) mug Sb/m3 and among the formation workers, 12.4 (0.6-41.5) mug Sb/m3.

    The exposure in both groups is more than 10 times lower than the present threshold limit values.

    The median Sb-B concentrations in the preshift samples was 2.6 (0.5-3.4) mug Sb/l for the casters and 10.1 (0.5-17.9) mugSb/l for the formation workers.

    The average Sb-U values (U2) were 3.9 (2.8-5.6) mug Sb/g creatinine in the casting area and 15.2 (3.5-23.4) mug Sb/g creatinine in the forming area.

    Our investigation indicates that the two antimony compounds show virtually equal pulmonary absorption and renal elimination.

    The statistically significant correlations between Sb-A/Sb-B and Sb-A/Sb-U form the basis for proposals regarding appropriate biological exposure limits for occupational antimony exposure.

    Mots-clés Pascal : Antimoine, Exposition professionnelle, Médecine travail, Accumulateur plomb, Batterie, Stibine, Surveillance biologique, Limite tolérable

    Mots-clés Pascal anglais : Antimony, Occupational exposure, Occupational medicine, Lead battery, Battery, Stibine, Biological monitoring, Bearable limit

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

    Cote : 95-0426048

    Code Inist : 002B03L05. Création : 01/03/1996.