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Health Risk from Exposure of Organic Pollutants Through Drinking Water Consumption in Nanjing, China

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Abstract

Human health risk analysis for 24 organic pollutants in drinking water of Nanjing was conducted. For non-carcinogenic risk, the 95th percentile hazard quotient (HQ) values of pollutants were all less than the unacceptable level of one. Considering the lifetime carcinogenic risk (LCR), however, the 95th percentile LCR values of 2,6-dinitrotoluene (1.30E-05), benzo(b)fluoranthene (3.10E-05), benzo(a)pyrene (3.37E-05) and dibenz(a,h)anthracene (2.09E-05) exceeded the unacceptable level of 1.00 E-05. These results suggest that organic pollutants in drinking water of Nanjing might pose potential lifetime carcinogenic risk for local consumers, and concerted efforts are required to ensure safety of consumers.

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Acknowledgments

This research work was financially supported by International Foundation for Science (W/4,215-1), Nanjing University Innovative Foundation (2006071009) and Shanghai Tongji Gao Tingyao Environmental Science and Technology Development Foundation.

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Correspondence to Shupei Cheng.

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Wu, B., Zhang, Y., Zhang, X. et al. Health Risk from Exposure of Organic Pollutants Through Drinking Water Consumption in Nanjing, China. Bull Environ Contam Toxicol 84, 46–50 (2010). https://doi.org/10.1007/s00128-009-9900-8

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  • DOI: https://doi.org/10.1007/s00128-009-9900-8

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