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Procjena rizika za zdravlje zbog teških metala u tlu na području rudarenja olova i cinka u provinciji Hunan (Kina)

机译:湖南省铅锌矿田土壤中重金属的健康风险评估(中国)

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摘要

Eighty-two soil samples were collected, and As, Pb, Cd, Zn, Cu and Ni were analysed for their concentrations, potential ecological risks and human health risks. The average concentrations of As, Pb, Cd and Zn exceeded their corresponding limits prescribed by the Chinese National Soil Environmental Quality Standard III, while Cu and Ni were far less than prescribed. The potential ecological risk index results indicated that Cd showed severe potential ecological risk. The human health risk assessment indicated that 80.49 % of the soil samples expressed acceptable non-carcinogenic risks, while 19.51 % of the soil samples expressed unacceptable non-carcinogenic risks. The research area represents unacceptable carcinogenic risks, the major contributor of the risk being As. Of the soil samples, 34.15 % posed acceptable carcinogenic risks, and 65.85 % posed unacceptable carcinogenic risks.This work is licensed under a Creative Commons Attribution 4.0 International License.
机译:收集了82个土壤样品,并分析了As,Pb,Cd,Zn,Cu和Ni的浓度,潜在的生态风险和人类健康风险。 As,Pb,Cd和Zn的平均浓度超过了《中国国家土壤环境质量标准III》规定的相应限值,而Cu和Ni却远低于规定的限值。潜在的生态风险指数结果表明,镉具有严重的潜在生态风险。人类健康风险评估表明,80.49%的土壤样品表示可接受的非致癌风险,而19.51%的土壤样品表示可接受的非致癌风险。研究领域代表了不可接受的致癌风险,该风险的主要贡献者是砷。在土壤样品中,有34.15%表示可接受的致癌风险,而65.85%表示具有不可接受的致癌风险。此项工作获得了知识共享署名4.0国际许可。

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