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Trace Elements Contamination and Human Health Risk Assessment in Drinking Water from the Agricultural and Pastoral Areas of Bay County, Xinjiang, China

Author

Listed:
  • Muyessar Turdi

    (Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A Datun Road, Beijing 100101, China
    University of Chinese Academy of Sciences, Beijing 100049, China)

  • Linsheng Yang

    (Key Laboratory of Land Surface Pattern and Simulation, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, 11 A Datun Road, Beijing 100101, China)

Abstract

Tap water samples were collected from 180 families in four agricultural (KYR: Keyir, KRW: Kariwak, YTR: Yatur, DW: Dawanqi) and two pastoral areas (B: Bulong and Y: Yangchang) in Bay County, Xinjiang, China, and levels of seven trace elements (Cd, Cr, As Ni, Pb, Zn, Se) were analyzed using inductively-coupled plasma mass spectrometry (ICP-MS) to assess potential health risks. Remarkable spatial variations of contamination were observed. Overall, the health risk was more severe for carcinogenic versus non-carcinogenic pollutants due to heavy metal. The risk index was greater for children overall (Cr > As > Cd and Zn > Se for carcinogenic and non-carcinogenic elements, respectively). The total risk index was greater in agricultural areas (DW > KYR > YTR > KRW > B > Y). Total risk indices were greater where well water was the source versus fountain water; for the latter, the total health risk index was greater versus glacier water. Main health risk factors were Cr and As in DW, KYR, YTR, KRW, and B, and Zn, Cr, and As in the Y region. Overall, total trace element–induced health risk (including for DW adults) was higher than acceptable (10 −6 ) and lower than priority risk levels (10 −4 ) (KYR, YTR, KRW, Y, and B). For DW children, total health risk reached 1.08 × 10 −4 , higher than acceptable and priority risk levels (10 −4 ).

Suggested Citation

  • Muyessar Turdi & Linsheng Yang, 2016. "Trace Elements Contamination and Human Health Risk Assessment in Drinking Water from the Agricultural and Pastoral Areas of Bay County, Xinjiang, China," IJERPH, MDPI, vol. 13(10), pages 1-15, September.
    • Handle: RePEc:gam:jijerp:v:13:y:2016:i:10:p:938-:d:78750
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    Citations

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    Cited by:

    1. Huiyan Tong & Zhongyue Li & Xingshuai Hu & Weiping Xu & Zhengkun Li, 2019. "Metals in Occluded Water: A New Perspective for Pollution in Drinking Water Distribution Systems," IJERPH, MDPI, vol. 16(16), pages 1-12, August.
    2. Leah Grout & Simon Hales & Nigel French & Michael G. Baker, 2018. "A Review of Methods for Assessing the Environmental Health Impacts of an Agricultural System," IJERPH, MDPI, vol. 15(7), pages 1-27, June.

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