Abstract：Objective To monitor the pollution status of haloacetic acids in drinking water and evaluate their health risk so as to understand the health risk possibly caused by drinking water among residents in City K. Methods Haloacetic acids in water from municipal water treatment plants in City K were monitored according to the Standard Test Method for Drinking Water (GB/T 5750-2006). The health risk model recommended by the United States Environmental Protection Agency (USEPA) was used for the risk assessment. Results The carcinogenic risk ranges of dichloroacetic acid and trichloroacetic acid were 3.33×10-6-1.38×10-4 and 1.12×10-6-1.91×10-4, respectively, and the proportion of carcinogenic risk due to dichloroacetic acid was the highest. The non-carcinogenic health hazard indexes of dichloroacetic acid and trichloroacetic acid were 1.67×10-2-6.90×10-1 and 8.34×10-4-1.42×10-1, respectively, and trichloroacetic acid contributed the most to the risk of non-carcinogenic health hazard. Conclusion Attention should be paid to the potential health risk caused by long-term exposure to disinfection by-products in drinking water in City K so as to reduce the health hazards of disinfection by-products like haloacetic acids in drinking water among residents.
栗旸, 李建云, 张旭辉, 李晓琍, 张瑞仙. 云南省K市水厂出厂水中卤乙酸的健康风险评估[J]. 实用预防医学, 2021, 28(5): 577-579.
LI Yang, LI Jian-yun, ZHANG Xu-hui, LI Xiao-li, ZHANG Rui-xian. Health risk assessment of haloacetic acids in water from water treatment plants in City K, Yunnan Province. , 2021, 28(5): 577-579.
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2021, Vol. 28 
