Multipathways human health risk assessment of trihalomethane exposure through drinking water

被引:53
|
作者
Siddique, Azhar [1 ,2 ]
Saied, Sumayya [2 ]
Mumtaz, Majid [2 ]
Hussain, Mirza M. [3 ]
Khwaja, Haider A. [3 ,4 ]
机构
[1] King Abdulaziz Univ, Unit Ain Zubaida & Groundwater Res, Jeddah 21413, Saudi Arabia
[2] Univ Karachi, Dept Chem, Karachi, Pakistan
[3] New York State Dept Hlth, Wadsworth Ctr, Albany, NY USA
[4] SUNY Albany, Sch Publ Hlth, Dept Environm Hlth Sci, Albany, NY USA
关键词
Trihalomethanes; Chloroform; Risk assessment; Disinfection byproducts; Public health; CHLORINATION BY-PRODUCTS; CHEMICAL CONTAMINANTS; TAP WATER; CANCER; THMS; CHLOROFORM; ROUTES; COLON;
D O I
10.1016/j.ecoenv.2015.03.011
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Life-time human health risk of cancer attributed to trihalomethanes in drinking water in an urban-industrialized area of Karachi (Pakistan) was conducted through multiple pathways of exposure. The extent of cancer risk was compared with USEPA guidelines. Human health cancer risk for total trihalomethanes (TTHMs) through ingestion and dermal routes were estimated in "acceptable-low risk" ( >= 1.0E-06; <= 5.10E-05), whereas through inhalation route it was estimated under "acceptable-high risk" ( >= 5.10E 05; <= 1.0E-04) category. However, at some industrial-urban areas cancer risk for CHCl3 were estimated under "unacceptable risk" (>= 1.0E-04) through inhalation route. (C) 2015 Elsevier Inc. All rights reserved.
引用
收藏
页码:129 / 136
页数:8
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