IEECAS OpenIR  > 粉尘与环境研究室
PM2.5 -bound polycyclic aromatic hydrocarbons (PAHs) in Beijing: Seasonal variations, sources, and risk assessment
Feng, Baihuan1,2; Li, Lijuan3; Xu, Hongbing1; Wang, Tong1; Wu, Rongshan1; Chen, Jie1; Zhang, Yi1; Liu, Shuo1; Ho, Steven Sai Hang3; Cao, Junji3; Huang, Wei1,2
Corresponding AuthorHuang, Wei(whuang@bjmu.edu.cn)
2019-03-01
Source PublicationJOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
ISSN1001-0742
Volume77Pages:11-19
AbstractPolycyclic aromatic hydrocarbons (PAHs) have been of health concern due to its carcinogenesis and mutagenesis. In this study, we aimed to assess the variations, sources, and lifetime excessive cancer risk (ECR) attributable to PAHs bound to ambient particulate matters with aerodynamic diameter less than 2.5 mu m (PM2.5) in metropolitan Beijing China. We collected 24-hour integrated PM2.5 samples on daily basis between November 2014 and June 2015 across both central heating (cold months) and non-heating (warm months) seasons, and further analyzed the PAH components in these daily PM2.5 samples. Our results showed that total concentrations of PM2.5-bound PAHs varied between (88.6 +/- 75.4) ng/m(3) in the cold months and (11.0 +/- 5.9) ng/m(3) in the warm months. Benzo[a]pyrene (BaP), the carcinogenic marker of PAHs, averaged at 5.7 and 0.4 ng/m(3) in the cold and warm months, respectively. Source apportionment analyses illustrated that gasoline, biomass burning, diesel, coal combustion and cooking were the major contributors, accounting for 12.9%, 17.8%, 24.7%, 24.3% and 6.4% of PM2.5-bound PAHs, respectively. The BaP equivalent lifetime ECR from inhalation of PM2.5-bound PAHs was 16.2 cases per million habitants. Our results suggested that ambient particulate reduction from energy reconstruction and adaption of dean fuels would result in reductions PM2.5-bound PAHs and its associated cancer risks. However, as only particulate phased PAHs was analyzed in the present study, the concentration of ambient PAHs could be underestimated. (C) 2018 The Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences. Published by Elsevier B.V.
KeywordPM2.5 PAHs Seasonal variation Sources Cancer risk assessment
DOI10.1016/j.jes.2017.12.025
WOS KeywordSOURCE APPORTIONMENT ; ORGANIC-COMPOUNDS ; OUTDOOR AIR ; N-ALKANES ; PARTICULATE MATTER ; URBAN ; IDENTIFICATION ; ATMOSPHERE ; PM10 ; CARCINOGENICITY
Indexed BySCI ; SCI
Language英语
Funding ProjectBeijing Natural Science Foundation[L150001] ; Peking University Health Science Center 100 Talent Young Investigator Program ; Peking University Infrastructure Fund for Clinical Research[2013-3-02]
WOS Research AreaEnvironmental Sciences & Ecology
Funding OrganizationBeijing Natural Science Foundation ; Peking University Health Science Center 100 Talent Young Investigator Program ; Peking University Infrastructure Fund for Clinical Research
WOS SubjectEnvironmental Sciences
WOS IDWOS:000463374900002
PublisherSCIENCE PRESS
Citation statistics
Cited Times:38[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/14169
Collection粉尘与环境研究室
Corresponding AuthorHuang, Wei
Affiliation1.Peking Univ, Sch Publ Hlth, Dept Occupat & Environm Hlth, Beijing 100871, Peoples R China
2.Peking Univ, Key Lab Mol Cardiovasc Sci, Minist Educ, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Inst Earth & Environm, Xian 710061, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Feng, Baihuan,Li, Lijuan,Xu, Hongbing,et al. PM2.5 -bound polycyclic aromatic hydrocarbons (PAHs) in Beijing: Seasonal variations, sources, and risk assessment[J]. JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2019,77:11-19.
APA Feng, Baihuan.,Li, Lijuan.,Xu, Hongbing.,Wang, Tong.,Wu, Rongshan.,...&Huang, Wei.(2019).PM2.5 -bound polycyclic aromatic hydrocarbons (PAHs) in Beijing: Seasonal variations, sources, and risk assessment.JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,77,11-19.
MLA Feng, Baihuan,et al."PM2.5 -bound polycyclic aromatic hydrocarbons (PAHs) in Beijing: Seasonal variations, sources, and risk assessment".JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA 77(2019):11-19.
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