苏丹土壤中潜在有毒元素对人类健康的风险评估:一个元分析
Magboul M S Siddig1, Eric C Brevik2, Daniela Sauer3
1Department of Physical Geography, University of Göttingen, 37077 Göttingen, Germany; Department of Soil and Environment Sciences, Faculty of Agriculture, University of Khartoum, Khartoum North, P.O. BOX 32, Postal Code 13314, Shambat, Sudan.
The Science of the total environment
|December 20, 2024
概括
苏丹土壤中的潜在有毒元素对健康构成重大风险,尤其是对儿童. ,,,,,,,,,和是关键问题,需要紧急的风险管理策略.
科学领域:
- 环境科学 环境科学
- 公共卫生 公共卫生
- 毒理学 毒理学 毒理学
背景情况:
- 土壤中的潜在有毒元素 (PTEs) 构成了全球人类健康的威胁.
- 发展中国家往往缺乏关于土壤PTE和相关健康风险的全面数据.
- 人类活动对土壤PTE污染有很大影响.
研究的目的:
- 评估苏丹人类受影响土壤中10个PTE对人类健康的风险.
- 确定主要的暴露途径和脆弱人群.
- 在发展中国家为管理土壤PTE提供可持续解决方案.
主要方法:
- 从981个土壤样本中对3430个PTE度进行了元分析,涉及76个出版物 (1996-2024年).
- 专注于土地使用,包括工业,采矿,农业和废物处理场所.
- 通过摄入途径对非致癌性和致癌性健康风险的评估.
主要成果:
- 摄入是PTE的主要暴露途径.
- (Hg) 和 (Mn) 对工业和沿海地区的儿童构成非致癌风险 (HQ/HI >1).
- (Cr) 和 (Ni) 对儿童具有最高的致癌风险 (ILCR>1 × 10−4).
- (As), (Cd) 和 (Pb) 也在特定的土地用途中对癌症风险作出了重大贡献.
- (Cd) 是儿童和成人道路癌症风险的主要因素.
结论:
- 苏丹的土壤PTE,特别是Hg,Mn,Cr,Ni,As,Cd和Pb,对健康构成重大风险.
- 有效的管理策略对于减轻受污染土壤对人类健康的风险至关重要.
- 研究结果强调需要进一步研究土壤PTE和发展中国家的健康.
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