Trace metal pollution and potential health risk assessment: a case study of Daye Lake over the past ten years (2000-2009)
by Jin Zhang; Zhao Hua Li; Pei Qi Zhou; Min Wang; Kun Li; Dan Liu
International Journal of Environmental Technology and Management (IJETM), Vol. 19, No. 1, 2016

Abstract: During the past ten years (2000-2009), a continuous survey has been conducted to assess the concentration of trace metals in the water from three parts of Daye Lake. The results indicate that: 1) concentration of three trace metals exceed the Chinese drinking water standard measures; out of these As exceeded significantly by 70% followed by Pb and Cd which are 66.67% and 13.34% respectively; 2) all the water in Daye Lake had been polluted by trace metals and had high potential health risk as a drinking water resource for human beings; among the three research areas of Daye Lake: Sanli Qi Lake had the highest health risk (58.8 × 10−4), followed by Yinjia Lake (24.12 × 10−4), while Main Lake had the lowest health risks (3.84 × 10−4); 3) no significant correlations between these trace metals was observed (p < 0.5) which suggest they originated from diverse pollution sources.

Online publication date: Fri, 19-Feb-2016

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