Contribution to the assessment of the exposure to indoor pesticides in France

Abstract : Background: Pesticides are environmental pollutants with potential health effects, but exposure of the population is badly documented. Objective: Our purpose is to assess the exposure of adults living in Ile-de-France to indoor air pesticides. Methods: Two greenhouses, three florist shops and three veterinarian services were investigated. Nineteen dwellings (flats and houses) with non-occupationally exposed inhabitants were also sampled. Thirty-eight pesticides were measured in indoor air, using a MiniPartisol air sampler (mean volume sampled : 7.1 m724 h). After extraction, samples were analysed by gas and high-performance liquid chromatographical methods (limits of quantification generally < 5 ng/m3). Results and discussion: Indoor air concentrations were often near the quantification limits (mean number of different pesticides detected per sample : 3.2 +- 1.7), but maximal values reached 200-300 ng/m3 (gardeners: malathion and methidathion, population : atrazine). The organophosphates dichlorvos, fenthion, malathion and parathion-methyl were detected in more than 10% of the samples. The organochlorines lindane, a-HCH (lindaneisomer), a-endosulfan and dieldrin were detected in 97, 38, 69 and 28% of the samples, whereas the herbicides atrazine, alachlor and trifluralin were found in 24, 21 and 14% of the samples, respectively. A specifie profile, consistent with occupational activity, can be observed; on the contrary, more various pesticides were found in the dwellings, but at levels sometimes higher than in occupational places. Our results confirm previously published levels of exposure in dwellings. However, the most frequently detected pesticides can differ: the chlorpyriphos is almost undetectable in our study, contrary to the US studies.
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  • HAL Id : ineris-00962983, version 1
  • INERIS : EN-2006-055

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Ghislaine Bouvier, Nathalie Seta, Olivier Blanchard, Isabelle Momas. Contribution to the assessment of the exposure to indoor pesticides in France. Pollution Atmosphérique : climat, santé, société, Le Kremlin Bicêtre : Revue Pollution atmosphérique, 2005, pp.81-85. ⟨ineris-00962983⟩

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