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北京市部分地区土壤中二英类物质污染水平初探

周志广 田洪海 李 楠 任 玥 刘爱民 杜 兵 李玲玲

周志广, 田洪海, 李 楠, 任 玥, 刘爱民, 杜 兵, 李玲玲. 北京市部分地区土壤中二英类物质污染水平初探[J]. 环境科学研究, 2006, 19(6): 54-58.
引用本文: 周志广, 田洪海, 李 楠, 任 玥, 刘爱民, 杜 兵, 李玲玲. 北京市部分地区土壤中二英类物质污染水平初探[J]. 环境科学研究, 2006, 19(6): 54-58.
ZHOU Zhi-guang, TIAN Hong-hai, LI Nan, REN Yue, LIU Ai-min, DU Bing, LI Ling-ling. Preliminary Study on Level and Pattern of PCDD/PCDFs in Soil in Part of Beijing City[J]. Research of Environmental Sciences, 2006, 19(6): 54-58.
Citation: ZHOU Zhi-guang, TIAN Hong-hai, LI Nan, REN Yue, LIU Ai-min, DU Bing, LI Ling-ling. Preliminary Study on Level and Pattern of PCDD/PCDFs in Soil in Part of Beijing City[J]. Research of Environmental Sciences, 2006, 19(6): 54-58.

北京市部分地区土壤中二英类物质污染水平初探

基金项目: 国家“十五”科技攻关课题(2003BA614A-09)

Preliminary Study on Level and Pattern of PCDD/PCDFs in Soil in Part of Beijing City

  • 摘要: 采集北京市部分非污染区土壤样品16个,对样品中二(口恶)英类物质分布形态和浓度水平进行初步探讨.结果表明:空地土壤中的二(口恶)英类物质质量分数为0.229 1~3.332 pg/g(全文均指pg(I-TEQ)/g),平均值为1.478 pg/g,与美国农村背景值相当;林地质量分数为0.769 1~2.760 pg/g,平均值为1.329 pg/g;耕地质量分数为2.278~7.307 pg/g,平均值为4.462 pg/g.与国外数据对比可以看出:空地和林地土壤样品与欧洲国家的浓度水平相当,耕地土壤则高于欧洲国家,但比日本低很多.总之,耕地土壤样品中二(口恶)英类物质的质量分数较高,空地次之,林地土壤质量分数最小.对于形态分布而言,受某种主要因素影响的土壤中二(口恶)英类物质形态分布相似,受综合因素影响的土壤与大气中的二(口恶)英类物质形态分布类似.另外讨论了浓度异常采样点可能的污染来源.

     

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出版历程
  • 收稿日期:  2006-03-16
  • 刊出日期:  2006-12-25

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