Health risk assessment of heavy metals in the water environment of Zhalong Wetland, China
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- 作者：Nannan Zhang (1) (2)
Shuying Zang (1)
Qingzhan Sun (1) - 关键词：Heavy metals and metalloid concentrations ; Health risk assessment ; Carcinogenic and non ; carcinogenic risks ; Zhalong Wetland ; China
- 刊名：Ecotoxicology
- 出版年：2014
- 出版时间：May 2014
- 年：2014
- 卷：23
- 期：4
- 页码：518-526
- 全文大小：
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Shuying Zang (1)
Qingzhan Sun (1)
1. Key Laboratory of Remote Sensing Monitoring of Geographic Environment, College of Heilongjiang Province, Harbin Normal University, No. 1 South Shida Road, Limin Economic Development Zone, Harbin, 150025, Heilongjiang, People’s Republic of China
2. Modern Laboratory Centre, Harbin Normal University, No. 1 South Shida Road, Limin Economic Development Zone, Harbin, 150025, Heilongjiang, People’s Republic of China - ISSN：1573-3017
文摘
Concentrations of the Cu, Cd, Cr, As, Zn and Ni in water samples from 272 sampling stations in the water environment of Zhalong Wetland, China were studied. Health risk assessment associated with six heavy metals and metalloid was conducted using health risk assessment model from United States Environmental Protection Agency. It can be concluded that the mean concentrations of Cu, Ni, Zn, As, Cd and Cu were 0.19, 0.45, 0.52, 4.9, 0.12 and 0.24?μg?L?, respectively. The carcinogenic risk of Cr, As and Cd in the discharged area, experimental area, buffer area and core area were lower than the maximum allowance risk level recommended by International Commission on Radiological Protection (ICRP 5.0?×?10??a?). The non-carcinogenic risks (Cu, Zn, Ni) was also lower than the maximum allowance levels recommended by ICRP. Though it was lower than the level, it was very approaching to maximum acceptable risk level, need to draw attention to the relevant departments.