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Exposure to Carcinogenic Air Pollutants among Policemen Working Close to Traffic in an Urban Area

Objective This study evaluates individual airborne exposure to gaseous and particulate carcinogenic pollutants in a group of policemen working close to traffic in the center of Grenoble, France. Methods Sixty-two personal active air samples were collected during the workshifts of eight policemen in...

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Bibliographic Details
Published in:Scandinavian Journal of Work, Environment & Health Environment & Health, 2002-12, Vol.28 (6), p.402-410
Main Authors: Maître, Anne, Soulat, Jean-Marc, Masclet, Pierre, Stoklov, Muriel, Marquès, Marie, de Gaudemaris, Régis
Format: Article
Language:English
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Summary:Objective This study evaluates individual airborne exposure to gaseous and particulate carcinogenic pollutants in a group of policemen working close to traffic in the center of Grenoble, France. Methods Sixty-two personal active air samples were collected during the workshifts of eight policemen in summer and in winter during the occurrence of the thermal inversion phenomenon. Seventeen stationary air samples were monitored in the policemen's work area during the same period with the same sampling devices as used for the personal samples. The respirable particle concentration was determined using the gravimetric method. The concentrations of polycyclic aromatic hydrocarbons and aldehydes were measured with highperformance liquid chromatography with fluorimetric or ultraviolet detection. The benzene-toluene-xylene levels were determined with gas chromatography with flame ionization detection. Results The median concentration of the personal samples for respirable particles was 55.5 μg/m³ in the summer and 124 μg/m³ in the winter. The corresponding values were 0.10 and 0.28 ng/m³ for benzo(a) pyrene, 14 and 21 μg/m³ for formaldehyde, and 10.5 and 23.5 μg/m³ for benzene. The median personal concentrations were equal to or higher than the corresponding stationary levels for both seasons. Compared with the concentration of aldehydes, the concentrations of respirable particles, polycyclic aromatic hydrocarbons, and benzene-toluenexylene appeared to show higher individual variability. Conclusions The occupational exposure of policemen does not exceed any currently applicable occupational or medical exposure limits. Individual particulate levels should preferably be monitored in Grenoble in winter to avoid underestimations.
ISSN:0355-3140
1795-990X
DOI:10.5271/sjweh.692