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北京市冬季大气PM10中二噁英的污染水平与分布特征

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孙俊玲, 王鹏焱, 李英明, 张庆华, 刘大锰. 北京市冬季大气PM10中二噁英的污染水平与分布特征[J]. 环境化学, 2019, 38(4): 713-720. doi: 10.7524/j.issn.0254-6108.2018052103
引用本文: 孙俊玲, 王鹏焱, 李英明, 张庆华, 刘大锰. 北京市冬季大气PM10中二噁英的污染水平与分布特征[J]. 环境化学, 2019, 38(4): 713-720. doi: 10.7524/j.issn.0254-6108.2018052103
shu
SUN Junling, WANG Pengyan, LI Yingming, ZHANG Qinghua, LIU Dameng. Pollution levels and spatial distribution of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) in the atmospheric PM10 of Beijing in winter[J]. Environmental Chemistry, 2019, 38(4): 713-720. doi: 10.7524/j.issn.0254-6108.2018052103
Citation: SUN Junling, WANG Pengyan, LI Yingming, ZHANG Qinghua, LIU Dameng. Pollution levels and spatial distribution of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) in the atmospheric PM10 of Beijing in winter[J]. Environmental Chemistry, 2019, 38(4): 713-720. doi: 10.7524/j.issn.0254-6108.2018052103
shu

北京市冬季大气PM10中二噁英的污染水平与分布特征

  • 1.

    山东省环保厅, 济南, 250101;

  • 2.

    海南师范大学, 海口, 571158;

  • 3.

    环境化学与生态毒理学国家重点实验室, 中国科学院生态环境研究中心, 北京, 100085;

  • 4.

    中国地质大学(北京)能源学院, 北京, 100083

  • 基金项目:

    国家自然科学基金（91743206，21777186，41676183）资助.

Pollution levels and spatial distribution of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) in the atmospheric PM10 of Beijing in winter

  • 1.

    Environmental Protection Administration of Shandong Province, Jinan, 250101, China;

  • 2.

    Hainan Normal University, Haikou, 571158, China;

  • 3.

    State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China;

  • 4.

    School of Energy Resources, China University of Geosciences, Beijing, 100083, China

  • Fund Project: Supported by National Nature Science Foundation of China (91743206,21777186,41676183).

  • 摘要: 在北京市市区/交通干道（A地质大学东门、B地质大学测试楼顶），工业区（C首钢焦化、D高井热电厂）和背景点（E十三陵），同时采集了冬季大气颗粒物PM10样品.利用US EPA 1613B 方法，采用同位素稀释、高分辩率气相色谱/高分辩率质谱（HRGC/MS）联用技术，对比分析了PM10中17种二噁英（PCDD/Fs）的浓度水平和区域分布特征.结果表明，5个采样点PM10的质量浓度范围是140-264 μg·m-3，日均值为184 μg·m-3比国家二级标准（150 μg·m-3）高23%.所有采样点17种PCDD/Fs的总浓度范围1.96-4.80 pg·m-3，平均值3.69 pg·m-3，总毒性当量∑TEQ范围是148-353 fg I-TEQ·m-3，平均271 fg I-TEQ·m-3；PCDD/Fs污染水平最高出现在工业区，其次是市区，背景点最低.
    Abstract: PM10 samples were collected concurrently at five sites:two urban sites (the east gate of China University of Geosciences (CUGB)and the roof of a testing building within CUGB), two industrial sites (coking plant of Capital Steel Plant and a thermoelectric plant) and a background site (Ming Tombs) in Beijing China in winter. The concentration and spatial distribution of 17 polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) congeners were analyzed with isotope dilution and high resolution gas chromatography/high resolution mass spectrometry (HRGC/HRMS) based on US EPA 1613B method. PM10 concentrations were in the range of 140-264 μg·m-3 with a mean value of 184 μg·m-3, which was 23% higher than the second class daily average standard (150 μg·m-3). ∑17PCDD/Fs concentrations varied from 1.96-4.80 pg·m-3, with an average concentration of 3.69 pg·m-3. The toxic equivalents (TEQs) varied from 148-353 fg I-TEQ·m-3 with an average value of 271 fg I-TEQ·m-3. The highest PCDD/Fs pollution level was observed at the industrial sites, followed by urban sites and background site in Beijing.
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  • 收稿日期:  2018-05-21
  • 刊出日期:  2019-04-15
孙俊玲, 王鹏焱, 李英明, 张庆华, 刘大锰. 北京市冬季大气PM10中二噁英的污染水平与分布特征[J]. 环境化学, 2019, 38(4): 713-720. doi: 10.7524/j.issn.0254-6108.2018052103
引用本文: 孙俊玲, 王鹏焱, 李英明, 张庆华, 刘大锰. 北京市冬季大气PM10中二噁英的污染水平与分布特征[J]. 环境化学, 2019, 38(4): 713-720. doi: 10.7524/j.issn.0254-6108.2018052103
shu
SUN Junling, WANG Pengyan, LI Yingming, ZHANG Qinghua, LIU Dameng. Pollution levels and spatial distribution of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) in the atmospheric PM10 of Beijing in winter[J]. Environmental Chemistry, 2019, 38(4): 713-720. doi: 10.7524/j.issn.0254-6108.2018052103
Citation: SUN Junling, WANG Pengyan, LI Yingming, ZHANG Qinghua, LIU Dameng. Pollution levels and spatial distribution of polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) in the atmospheric PM10 of Beijing in winter[J]. Environmental Chemistry, 2019, 38(4): 713-720. doi: 10.7524/j.issn.0254-6108.2018052103
shu

北京市冬季大气PM10中二噁英的污染水平与分布特征

  • 1.  山东省环保厅, 济南, 250101;
  • 2.  海南师范大学, 海口, 571158;
  • 3.  环境化学与生态毒理学国家重点实验室, 中国科学院生态环境研究中心, 北京, 100085;
  • 4.  中国地质大学(北京)能源学院, 北京, 100083
  • 收稿日期:  2018-05-21
基金项目:

国家自然科学基金（91743206，21777186，41676183）资助.

摘要: 在北京市市区/交通干道（A地质大学东门、B地质大学测试楼顶），工业区（C首钢焦化、D高井热电厂）和背景点（E十三陵），同时采集了冬季大气颗粒物PM10样品.利用US EPA 1613B 方法，采用同位素稀释、高分辩率气相色谱/高分辩率质谱（HRGC/MS）联用技术，对比分析了PM10中17种二噁英（PCDD/Fs）的浓度水平和区域分布特征.结果表明，5个采样点PM10的质量浓度范围是140-264 μg·m-3，日均值为184 μg·m-3比国家二级标准（150 μg·m-3）高23%.所有采样点17种PCDD/Fs的总浓度范围1.96-4.80 pg·m-3，平均值3.69 pg·m-3，总毒性当量∑TEQ范围是148-353 fg I-TEQ·m-3，平均271 fg I-TEQ·m-3；PCDD/Fs污染水平最高出现在工业区，其次是市区，背景点最低.

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