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题名:
Assessing on toxic potency of PM2.5-bound polycyclic aromatic hydrocarbons at a national atmospheric background site in North China
作者: Wang, Xiaoping1; Zong, Zheng2; Tian, Chongguo2; Chen, Yingjun3; Luo, Chunling1; Tang, Jianhui2; Li, Jun1; Zhang, Gan1
刊名: SCIENCE OF THE TOTAL ENVIRONMENT
ISSN号: 0048-9697
出版日期: 2018-01-15
卷号: 612, 页码:330-338
关键词: Polycyclic aromatic hydrocarbons ; PM2.5 ; Toxic potency ; Tuoji Island ; North China
DOI: 10.1016/j.scitotenv.2017.08.208
产权排序: 第2完成单位
通讯作者: Tian, Chongguo(Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai 264003, Peoples R China)
英文摘要: A total of 76 PM2.5 samples collected at Tuoji Island from November 2011 to January 2013 were used to analyze 15 congeners of polycyclic aromatic hydrocarbons (Sigma(15)PAHs) and assess their toxic potency. The average Sigma(15)PAHs was 15.34 +/- 8.87 ng m(-3), ranging from 4.24 to 40.62 ng m(-3) over the sampling period. BkF, BbF, Phe and BaP were dominant PAH congeners, contributing together 60.64% of the Sigma(15)PAH concentration. The highest monthly Sigma(15)PAHs concentration was in January 2012, followed by the next January, which was closely four times greater than the lowest level occurred in July 2012. Wheat straw burning was responsible for the high PAH concentrations in June 2012. The averaged BaP toxicity equivalent (TEQ-BaP) concentration was 2.70 +/- 1.88 ng m(-3) over the sampling period. BaP and DaA were the largest contributors, which contributed 58.5% and 14.7% of totals, respectively. The high TEQ-BaP and TEQ-BaP value per unit of Sigma(15)PAHs concentration (TEQ-BaP(U)) values occurred in the cold season and the low levels presented in the warm period. The heaviest monthly TEQ-BaP was 5.28 +/- 2.84 ng m(-3), which appeared in January 2012; the lowest value was 0.86 +/- 0.33 ngm(-3), which occurred in July 2012. The potential source contribution function (PSCF) showed the occurrence of the high health risk associated with PAHs in the middle of Liaoning and the south of Shandong Peninsula. (C) 2017 Elsevier B.V. All rights reserved.
研究领域[WOS]: Environmental Sciences & Ecology
项目资助者: Natural Scientific Foundation of China (NSFC)(41471413) ; National Key R&D Program of China(2017YFC0212000) ; Strategic Priority Research Program of the CAS(XDA11020402)
关键词[WOS]: SIZE DISTRIBUTION ; CARBONACEOUS AEROSOLS ; SOURCE IDENTIFICATION ; SOURCE APPORTIONMENT ; PARTICULATE MATTER ; CARCINOGENIC RISK ; EMISSION SOURCES ; URBAN AIR ; PAHS ; PM2.5
文章类型: Article
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000413313700034
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内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/23473
Appears in Collections:中科院海岸带环境过程与生态修复重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai 264003, Peoples R China
3.Tongji Univ, Key Lab Cities Mitigat & Adaptat Climate Change S, Coll Environm Sci & Engn, Shanghai 200092, Peoples R China

Recommended Citation:
Wang, Xiaoping,Zong, Zheng,Tian, Chongguo,et al. Assessing on toxic potency of PM2.5-bound polycyclic aromatic hydrocarbons at a national atmospheric background site in North China[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2018,612:330-338.
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