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Direct dermal and inhalation exposure of bystanders and residents during vine foliar application using sprayer equipment fitted with an anti-drift device: a comparison between measured exposure levels and existing exposure models
Journal of Consumer Protection and Food Safety ( IF 1.4 ) Pub Date : 2020-02-15 , DOI: 10.1007/s00003-020-01274-1
Thierry Mercier

Within the European Union (EU) regulatory framework, plant protection products (PPPs) must be evaluated according to Regulation (EC) No 1107/2009. Bystander/resident exposures can be assessed using the current EU harmonised predictive EFSA model; however, the number of experimental data included in this model is rather limited. In the experimental study conducted, direct dermal and inhalation exposures of bystanders/residents caused by the spray drift during vine foliar application using sprayer equipment fitted with an anti-drift device were quantified. The exposure levels measured during the experimental exposure study were compared to those calculated using the BROWSE model, the former German model, and the EFSA model. The measured direct dermal exposure levels of bystanders/residents were found to be lower than the exposure levels calculated with the BROWSE model using the 95th percentiles [experimental study/BROWSE model (%): 3.9% and 2.1%, respectively for adults and children], and using the 75th percentiles (16% and 7.8%, respectively for adults and children), the German model using the 95th percentiles [experimental study/German model (%): 4.0% and 12%, respectively for adults and children], and much lower than those calculated with the EFSA model using the 95th percentiles [experimental study/EFSA model (%): 0.27% and 0.40% for adults and children, respectively] and using the 75th percentiles (0.51% and 0.62%, respectively for adults and children). Exposure levels via the inhalation route represented less than 1.7% of dermal exposures. The results of this experimental exposure study could be used to refine the bystander/resident exposure estimates provided by the EFSA model.

中文翻译:

使用装备有防漂移装置的喷雾器设备,在葡萄叶施用过程中对旁观者和居民进行直接皮肤和吸入式暴露:实测暴露水平与现有暴露模型之间的比较

在欧盟(EU)法规框架内,必须根据法规(EC)No 1107/2009对植物保护产品(PPP)进行评估。可以使用当前的欧盟统一预测EFSA模型评估旁观者/居民的暴露程度;但是,此模型中包含的实验数据数量非常有限。在进行的实验研究中,量化了使用装配有防漂移装置的喷雾器设备在葡萄叶施用过程中由喷雾漂移引起的旁观者/居民的直接皮肤和吸入暴露。将实验性暴露研究期间测得的暴露水平与使用BROWSE模型,以前的德国模型和EFSA模型计算的暴露水平进行比较。发现由旁观者/居民所测得的直接皮肤暴露水平低于使用95%百分位的BROWSE模型计算的暴露水平[实验研究/ BROWSE模型(%):成人和儿童分别为3.9%和2.1%] ,并使用第75个百分点(成人和儿童分别为16%和7.8%),德国模型使用第95个百分点[实验研究/德国模型(%):成人和儿童分别为4.0%和12%],远低于使用第95个百分数的EFSA模型[实验研究/ EFSA模型(%):成人和儿童分别为0.27%和0.40%]和使用第75个百分数(分别为0.51%和0.62%)计算的结果成人和儿童)。吸入途径的暴露水平占皮肤暴露的比例不到1.7%。
更新日期:2020-02-15
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