Measurement of operator exposure to chlorpyrifos

文献类型： 外文期刊

第一作者： Ning, Jun

作者： Ning, Jun;Mei, XiangDong;Jiang, ZhiFu;Chen, Shuo;She, DongMei;Tao, ChuanJiang;Ye, JiMing

作者机构：

关键词： chlorpyrifos;inhalation exposure;dermal exposure;knapsack sprayer

期刊名称：PEST MANAGEMENT SCIENCE （ 影响因子：4.845； 五年影响因子：4.674 ）

ISSN：

年卷期：

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收录情况： SCI

摘要： BACKGROUND: To date, no research has been conducted to establish exposure levels for occupational pesticide operators under typical use scenarios in China. Through surrogate skin techniques (the whole-body method), the authors monitored dermal and inhalation exposure of pesticide applicators in China. In addition, the exposure of pesticide mixers was analysed. RESULTS: The total dermal exposure of inexperienced and experienced applicators was respectively 4037 and 536 mg kg~(-1) of active ingredient (Al) handled for application to maize that was <80 cm in height. The exposure level was highest on hands; the closer to the hands, the lower arms and the upper legs, the higher the exposure. The unit exposure of mixers differed according to the formulation; exposure to emulsifiable concentrate (EC) and oil-in-water emulsion (EW) was greater than exposure to wettable powder (WP) or wettable dispersible granules (WG). The unit exposure of mixers via inhalation was significantly greater than that of applicators when chlorpyrifos (48% EC) was used (P < 0.0001). CONCLUSIONS: The main objectives of this study were to provide an indication of the realistic exposure risk of mixers and applicators, and to contribute useful information for risk mitigation and management and epidemiological studies in China.

分类号： S4

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