深圳市龙岗区饮用水中常规指标的健康风险评价  

Health risk assessment of drinking water in the Longgang district of Shenzhen,China

作　　者：王荀 李斌[2] 刘俩燕[2] 杨敏[2] 邹宇量[1] WANG Xun;LI Bin;LIU Liangyan;YANG Min;ZOU Yuliang(Wuhan University School of Health Sciences, Wuhan 430071, Hubei;Shenzhen Longgang District Center for Disease Control and Prevention, Shenzhen 518172, Guangdong, China)

机构地区：[1]武汉大学健康学院,湖北武汉430071 [2]深圳市龙岗区疾病预防控制中心,广东深圳518172

出　　处：《癌变．畸变．突变》2019年第5期359-362,共4页Carcinogenesis,Teratogenesis & Mutagenesis

摘　　要：目的:评估深圳市龙岗区饮用水对人体的健康风险.方法:对深圳市龙岗区饮用水中砷(As)、三氯甲烷、四氯化碳、镉(Cd)、六价铬(Cr^6+)、铁(Fe)、锰(Mn)、铜(Cu)、锌(Zn)、铅(Pb)、硒(Se)、汞(Hg)、氨氮、氟化物、硝酸盐氮共15种常规指标进行检测,按照美国国家环保署(US EPA)推荐的方法,建立水环境污染健康风险评价模型,对常规指标经饮水途径引起的健康风险进行评价.结果:饮用水中致癌物按健康风险大小排列为Cr^6+>As>Cd>三氯甲烷>四氯化碳;非致癌物质按健康风险大小排列为氟化物>硝酸盐氮>Hg>Cu>Pb>Se>Zn>氨氮>Mn>Fe.深圳市龙岗区饮用水个人健康危害总风险度为4.113×10^-5,范围3.906×10^-5~9.457×10^-5.结论:深圳市龙岗区饮用水中常规指标经饮水途径引起的健康风险接近国际辐射防护委员会(ICRP)推荐的最大可接受水平(5×10^-5),小于US EPA推荐的最大可接受水平(1×10^-4).OBJECTIVE:To assess health risk of drinking water in the Longgang district of Shenzhen, China. METHODS: Health risks associated with 15 indexes in drinking water were assessed using the US EPA health risk assessment model. RESULTS:The ranking of carcinogenic risk was Cr^6+>As>Cd>trichlormethane> perchlormethane, the ranking of non-carcinogenic risk was fluoride>nitrate nitrogen>Hg>Cu>Pb>Se>Zn> ammonia nitrogen>Mn>Fe. The total health risk level was 4.113×10^-5,from 3.906×10^-5 to 9.457×10^-5. CONCLUSION: The total health risk level of drinking water was closed to that of ICRP recommended level (5×10^- 5), and lower than that of US EPA recommended level (1×10^-4).

关 键 词：饮用水 常规指标 健康风险评价 致癌风险 非致癌风险 

分 类 号：X820.4[环境科学与工程—环境工程]