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  • Title: [Acute risk assessment of cumulative dietary exposure to organophosphorus pesticide among people in Jiangsu province].
    Author: Zhao M, Wang C, Li T, Yi N, He X, Wu H, Yao X.
    Journal: Wei Sheng Yan Jiu; 2013 Sep; 42(5):844-8. PubMed ID: 24218898.
    Abstract:
    OBJECTIVE: To understand the cumulative dietary exposure of Jiangsu residents to organophosphorus (OPs) pesticide and make acute risk assessment. METHODS: Integrated the data of the nutrition and health status of residents in Jiangsu and the data of monitoring of OPs pesticide in agricultural products. Chlorpyrifos was selected as index compound (index chemical, IC), then use relative potency factor (RPF) approach which commended by EPA and simple distribution evaluation. Caloulated the dietary cumulative exposure of OPs pesticide among Jiangsu residents and compared with acute reference dose (ARfD), then made risk assessment. RESULTS: The exposure of rural group of age 3-6 and 7-11 were 133.84 microg/kg BW and 154.32 microg/kg BW, exceeded ARfD. The exposure level of kids and elder was higher than adults. The exposure level of rural residents were higher than urban residents. The highest contribution to the food of each age group was greengrocery and leek. CONCLUSION: The average level of exposure was safety in Jiangsu, high exposure children were at acute poisoning risk. High contribution food such as greengrocery and leek should be strengthen monitoring.
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