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首页> 外文期刊>Human and ecological risk assessment >Concentration of arsenic in groundwater, vegetables, human hair and nails in mining site in the Northern Thai Nguyen province, Vietnam: human exposure and risks assessment
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Concentration of arsenic in groundwater, vegetables, human hair and nails in mining site in the Northern Thai Nguyen province, Vietnam: human exposure and risks assessment

机译：越南北部泰国阮省的采矿场中地下水，蔬菜，人发和指甲中砷的浓度：人体暴露和风险评估

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摘要

This study was aimed to examine the risk of chronic arsenic (As) exposure for the residents living in Nui Phao, Thai Nguyen in the northern Vietnam. Groundwater, vegetables, human hair, and nail samples were collected from volunteers living in Nui Phao. The results revealed that 75% of the groundwater samples had As exceeding the World Health Organization (WHO) drinking water guideline of 10 mu g L-1. The result of As concentration for most of the vegetable samples was greater than the WHO/FAO safe (0.1 mg kg(-1)). The result of hair and nail samples in this study showed that 3.5 and 20% of the samples had As concentration exceeding the level of As toxicity in hair and nails, respectively. The result of health risks indicated that the potential health risk of As contamination is greater for groundwater than vegetables. The total hazard quotient (HQ) value through vegetables ingestion and drinking water exceeded 1.0 suggesting potential health risk for local residents. The calculation of potential carcinogenic risk through both consumption of vegetables and drinking water was low cancer risk in adults. Other food sources and the exposure pathways are needed to exactly assess health risks in this area.
机译：这项研究的目的是检查居住在越南北部泰国阮仁Nu的居民长期暴露于砷的风险。地下水，蔬菜，人发和指甲样本是从Nui Phao的志愿者那里收集的。结果显示，有75％的地下水样品中As的含量超过了世界卫生组织（WHO）的10μgL-1饮用水准则。大多数蔬菜样品中As的浓度结果均高于WHO / FAO的安全浓度（0.1 mg kg（-1））。这项研究中的头发和指甲样品结果表明，分别有3.5％和20％的样品中As浓度超过了头发和指甲中As的毒性水平。健康风险的结果表明，地下水中As污染的潜在健康风险比蔬菜高。摄入蔬菜和饮用水造成的总危险商（HQ）值超过1.0，表明当地居民存在潜在的健康风险。通过食用蔬菜和饮用水来计算潜在的致癌风险是成年人的低癌症风险。需要其他食物来源和暴露途径来准确评估该地区的健康风险。

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