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Spatial Distribution and Fuzzy Health Risk Assessment of Trace Elements in Surface Water from Honghu Lake

Author

Listed:
  • Fei Li

    (Research Center for Environment and Health, Zhongnan University of Economics and Law, Wuhan 430073, China
    School of Information and Safety Engineering, Zhongnan University of Economics and Law, Wuhan 430073, China)

  • Zhenzhen Qiu

    (Research Center for Environment and Health, Zhongnan University of Economics and Law, Wuhan 430073, China
    School of Information and Safety Engineering, Zhongnan University of Economics and Law, Wuhan 430073, China)

  • Jingdong Zhang

    (Research Center for Environment and Health, Zhongnan University of Economics and Law, Wuhan 430073, China
    School of Information and Safety Engineering, Zhongnan University of Economics and Law, Wuhan 430073, China)

  • Chaoyang Liu

    (Research Center for Environment and Health, Zhongnan University of Economics and Law, Wuhan 430073, China
    School of Information and Safety Engineering, Zhongnan University of Economics and Law, Wuhan 430073, China)

  • Ying Cai

    (Research Center for Environment and Health, Zhongnan University of Economics and Law, Wuhan 430073, China
    School of Information and Safety Engineering, Zhongnan University of Economics and Law, Wuhan 430073, China)

  • Minsi Xiao

    (Research Center for Environment and Health, Zhongnan University of Economics and Law, Wuhan 430073, China
    School of Information and Safety Engineering, Zhongnan University of Economics and Law, Wuhan 430073, China)

Abstract

Previous studies revealed that Honghu Lake was polluted by trace elements due to anthropogenic activities. This study investigated the spatial distribution of trace elements in Honghu Lake, and identified the major pollutants and control areas based on the fuzzy health risk assessment at screening level. The mean total content of trace elements in surface water decreased in the order of Zn (18.04 μg/L) > Pb (3.42 μg/L) > Cu (3.09 μg/L) > Cr (1.63 μg/L) > As (0.99 μg/L) > Cd (0.14 μg/L), within limits of Drinking Water Guidelines. The results of fuzzy health risk assessment indicated that there was no obvious non-carcinogenic risk to human health, while carcinogenic risk was observed in descending order of As > Cr > Cd > Pb. As was regarded to have the highest carcinogenic risk among selected trace elements because it generally accounted for 64% of integrated carcinogenic risk. Potential carcinogenic risk of trace elements in each sampling site was approximately at medium risk level (10 −5 to 10 −4 ). The areas in the south (S4, S13, and S16) and northeast (S8, S18, and S19) of Honghu Lake were regarded as the risk priority control areas. However, the corresponding maximum memberships of integrated carcinogenic risk in S1, S3, S10–S13, S15, and S18 were of relatively low credibility (50–60%), and may mislead the decision-makers in identifying the risk priority areas. Results of fuzzy assessment presented the subordinate grade and corresponding reliability of risk, and provided more full-scale results for decision-makers, which made up for the deficiency of certainty assessment to a certain extent.

Suggested Citation

  • Fei Li & Zhenzhen Qiu & Jingdong Zhang & Chaoyang Liu & Ying Cai & Minsi Xiao, 2017. "Spatial Distribution and Fuzzy Health Risk Assessment of Trace Elements in Surface Water from Honghu Lake," IJERPH, MDPI, vol. 14(9), pages 1-18, September.
    • Handle: RePEc:gam:jijerp:v:14:y:2017:i:9:p:1011-:d:110838
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    References listed on IDEAS

    as
    1. Xiyao Chen & Fei Li & Chaoyang Liu & Jun Yang & Jingdong Zhang & Chunlin Peng, 2017. "Monitoring, Human Health Risk Assessment and Optimized Management for Typical Pollutants in Indoor Air from Random Families of University Staff, Wuhan City, China," Sustainability, MDPI, vol. 9(7), pages 1-13, June.
    2. Fei Li & Zhenzhen Qiu & Jingdong Zhang & Wenchu Liu & Chaoyang Liu & Guangming Zeng, 2017. "Investigation, Pollution Mapping and Simulative Leakage Health Risk Assessment for Heavy Metals and Metalloids in Groundwater from a Typical Brownfield, Middle China," IJERPH, MDPI, vol. 14(7), pages 1-17, July.
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    Cited by:

    1. Teng Wang & Jingjing Yan & Jinlong Ma & Fei Li & Chaoyang Liu & Ying Cai & Si Chen & Jingjing Zeng & Yu Qi, 2018. "A Fuzzy Comprehensive Assessment and Hierarchical Management System for Urban Lake Health: A Case Study on the Lakes in Wuhan City, Hubei Province, China," IJERPH, MDPI, vol. 15(12), pages 1-16, November.
    2. Fei Li & Minsi Xiao & Jingdong Zhang & Chaoyang Liu & Zhenzhen Qiu & Ying Cai, 2018. "Spatial Distribution, Chemical Fraction and Fuzzy Comprehensive Risk Assessment of Heavy Metals in Surface Sediments from the Honghu Lake, China," IJERPH, MDPI, vol. 15(2), pages 1-17, January.
    3. Jingdong Zhang & Liyun Zhu & Fei Li & Chaoyang Liu & Zhenzhen Qiu & Minsi Xiao & Ying Cai, 2018. "Comparison of Toxic Metal Distribution Characteristics and Health Risk between Cultured and Wild Fish Captured from Honghu City, China," IJERPH, MDPI, vol. 15(2), pages 1-16, February.

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