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Airborne exposure to pesticides: a decision-making tool to identify priority areas

Résumé : As part of the Ecophyto2 plan, the Regional Administration of Food, Agriculture and Forestry (Draaf) of Occitania has developed the "EXPO'PHYTO" project. Its aim is to lead a collective and concerted approach in small communities to reduce airborne exposure to plant protection products (PPPs). To test the relevance and feasibility of this approach, Draaf wanted to be able to identify some areas where exposure reduction was a priority over others, by ranking the cantons of the Occitania region in order of their potential exposure burden. Two quantitative indicators, for agricultural professionals and the general population respectively, were constructed at cantonal scale level by combining the use of crop-exposure matrices with population data and urbanization level. The cantons could thus be classified by decreasing value of the indicators. A sensitivity analysis was conducted to verify the robustness of the results. This showed, for each of the two populations, that some predominantly wine-growing cantons remain in the top ten of the 269 listed in Occitania: five cantons for the occupationally exposed population and three cantons for the general population. These three also ranked among the top ten for the occupationally exposed population, regardless of the calculation parameters used. Practices in the use of PPPs are not specific to these cantons, but they have demographic and land-use characteristics that make them more vulnerable in terms of potential exposure. In addition, the presence of vineyards is consistent with recent scientific knowledge. The approach implemented is a decision-making tool to identify priority areas where is needed to reduce the population's airborne PPP exposure and its potential impacts.
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Contributor : Xavier Chard-Hutchinson <>
Submitted on : Monday, November 9, 2020 - 2:30:42 PM
Last modification on : Wednesday, January 20, 2021 - 9:18:04 AM



Sylvie Cassadou, Adeline Beaumont, Marie-Claude Sablick, Jean-Pierre Cassagne, Philippe Quénel. Airborne exposure to pesticides: a decision-making tool to identify priority areas. Environnement, Risques and Santé, John Libbey Eurotext, 2020, 19 (5), pp.327-338. ⟨10.1684/ers.2020.1471⟩. ⟨hal-02996050⟩



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