拉萨市垃圾填埋场地下水水质的居民健康风险评价

周文武, 陈冠益, 穷达卓玛, 周鹏, 汪晶, 旦增. 拉萨市垃圾填埋场地下水水质的居民健康风险评价[J]. 环境化学, 2020, (6): 1513-1522. doi: 10.7524/j.issn.0254-6108.2019041101
引用本文: 周文武, 陈冠益, 穷达卓玛, 周鹏, 汪晶, 旦增. 拉萨市垃圾填埋场地下水水质的居民健康风险评价[J]. 环境化学, 2020, (6): 1513-1522. doi: 10.7524/j.issn.0254-6108.2019041101
ZHOU Wenwu, CHEN Guanyi, QIONG Dazhuoma, ZHOU Peng, WANG Jing, DAN Zeng. Health risk assessment of groundwater quality in Lhasa landfill[J]. Environmental Chemistry, 2020, (6): 1513-1522. doi: 10.7524/j.issn.0254-6108.2019041101
Citation: ZHOU Wenwu, CHEN Guanyi, QIONG Dazhuoma, ZHOU Peng, WANG Jing, DAN Zeng. Health risk assessment of groundwater quality in Lhasa landfill[J]. Environmental Chemistry, 2020, (6): 1513-1522. doi: 10.7524/j.issn.0254-6108.2019041101

拉萨市垃圾填埋场地下水水质的居民健康风险评价

    通讯作者: 陈冠益, E-mail: chen@tju.edu.cn 旦增, E-mail: yongzhong2008@163.com
  • 基金项目:

    西藏自治区重点科技计划(Z2016C01G01106),西藏自治区地区自然科学基金(2016ZR-15-12)和西藏自治区青年创新支持计划(QCZ2016-01)资助.

Health risk assessment of groundwater quality in Lhasa landfill

    Corresponding authors: CHEN Guanyi, chen@tju.edu.cn ;  DAN Zeng, yongzhong2008@163.com
  • Fund Project: Supported by the Key Science and Technology Program of Tibet Autonomous Region(Z2016C01G01106),the Natural Science Foundation of Tibet Autonomous Region(2016ZR-15-12)and Youth Innovation Support Program of Tibet Autonomous Region(QCZ2016-01).
  • 摘要: 对拉萨市垃圾填埋场地区地下水6个监测井中的Cr6+、As、Cd、Pb、NO3--N、F-、Cl-指标采用美国环保局USEPA推荐的健康风险评价模型,按照不同人群进行健康风险评价.评价结果表明,通过暴露剂量计算,在饮水途径和皮肤接触途径下非致癌物暴露剂量一般高于致癌物暴露剂量;饮水途径暴露剂量高于皮肤接触途径下的暴露剂量.致癌污染物在饮水途径下风险值大于皮肤接触途径下的风险值,其中饮水途径下风险贡献为Cr6+ > As > Cd,Cr6+风险值超过USEPA的最大可接受水平1×10-4;在皮肤接触途径下贡献为Cr6+ > As > Cd,Cr6+的风险值超过瑞典环保局、荷兰建设环保局、英国皇家协会和IAEA最大可接受风险水平;非致癌风险的污染物贡献最大的是Cl-,其通过饮水暴露途径在成人中风险值高于瑞典环保局(1×10-6)、荷兰建设环保局(1×10-6)、英国皇家协会(1×10-6)和IAEA(5×10-7)最大可接受水平.因此,致癌物中Cr6+成为主要的致癌物,人们在饮水中要将其去除,起到预防癌症和减少患癌的几率.
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  • 收稿日期:  2019-04-11
周文武, 陈冠益, 穷达卓玛, 周鹏, 汪晶, 旦增. 拉萨市垃圾填埋场地下水水质的居民健康风险评价[J]. 环境化学, 2020, (6): 1513-1522. doi: 10.7524/j.issn.0254-6108.2019041101
引用本文: 周文武, 陈冠益, 穷达卓玛, 周鹏, 汪晶, 旦增. 拉萨市垃圾填埋场地下水水质的居民健康风险评价[J]. 环境化学, 2020, (6): 1513-1522. doi: 10.7524/j.issn.0254-6108.2019041101
ZHOU Wenwu, CHEN Guanyi, QIONG Dazhuoma, ZHOU Peng, WANG Jing, DAN Zeng. Health risk assessment of groundwater quality in Lhasa landfill[J]. Environmental Chemistry, 2020, (6): 1513-1522. doi: 10.7524/j.issn.0254-6108.2019041101
Citation: ZHOU Wenwu, CHEN Guanyi, QIONG Dazhuoma, ZHOU Peng, WANG Jing, DAN Zeng. Health risk assessment of groundwater quality in Lhasa landfill[J]. Environmental Chemistry, 2020, (6): 1513-1522. doi: 10.7524/j.issn.0254-6108.2019041101

拉萨市垃圾填埋场地下水水质的居民健康风险评价

    通讯作者: 陈冠益, E-mail: chen@tju.edu.cn ;  旦增, E-mail: yongzhong2008@163.com
  • 1. 西藏大学理学院, 拉萨, 850000;
  • 2. 天津大学环境科学与工程学院, 天津, 300072
基金项目:

西藏自治区重点科技计划(Z2016C01G01106),西藏自治区地区自然科学基金(2016ZR-15-12)和西藏自治区青年创新支持计划(QCZ2016-01)资助.

摘要: 对拉萨市垃圾填埋场地区地下水6个监测井中的Cr6+、As、Cd、Pb、NO3--N、F-、Cl-指标采用美国环保局USEPA推荐的健康风险评价模型,按照不同人群进行健康风险评价.评价结果表明,通过暴露剂量计算,在饮水途径和皮肤接触途径下非致癌物暴露剂量一般高于致癌物暴露剂量;饮水途径暴露剂量高于皮肤接触途径下的暴露剂量.致癌污染物在饮水途径下风险值大于皮肤接触途径下的风险值,其中饮水途径下风险贡献为Cr6+ > As > Cd,Cr6+风险值超过USEPA的最大可接受水平1×10-4;在皮肤接触途径下贡献为Cr6+ > As > Cd,Cr6+的风险值超过瑞典环保局、荷兰建设环保局、英国皇家协会和IAEA最大可接受风险水平;非致癌风险的污染物贡献最大的是Cl-,其通过饮水暴露途径在成人中风险值高于瑞典环保局(1×10-6)、荷兰建设环保局(1×10-6)、英国皇家协会(1×10-6)和IAEA(5×10-7)最大可接受水平.因此,致癌物中Cr6+成为主要的致癌物,人们在饮水中要将其去除,起到预防癌症和减少患癌的几率.

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