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Concentrations, sources and health effects of parent, oxygenated- and nitrated- polycyclic aromatic hydrocarbons (PAHs) in middle-school air in Xi'an, China
Wang, Jingzhi1,2,3; Xu, Hongmei4; Guinot, Benjamin5; Li, Lijuan3,6; Ho, Steven Sai Hang3,7,8; Liu, Suixin3,7; Li, Xiaoping1,2; Cao, Junji3,7,9
2017-08-01
发表期刊ATMOSPHERIC RESEARCH
卷号192期号:2017页码:1-10
文章类型Article
摘要Indoor and outdoor concentrations of polycyclic aromatic hydrocarbons (PAHs), oxygenated-PAHs (OPAHs), and nitro-PAHs (NPAHs) associated with PM2.5 particles were monitored in a middle-school classroom from 8 to 22 March 2012 in Xi'an, China. The total PAHs ranged from 49.6 to 140.0 ng/m(3) in outdoors and 50.3 to 111.6 ng/m(3) in indoors, while OPAHs and NPAHs showed averages of 19.1 and 16.4 ng/m(3), 0.1039 and 0.0785 ng/m(3) for outdoor and indoor air, respectively. Strong correlations were found between indoor (I) and outdoor (0), and the I/O ratios were <1 for almost all the species, indicating that outdoor air was the dominant influence on indoor air. Diagnostic ratios and Positive Matrix Factorization (PMF) analysis indicated that biomass burning, coal combustion, and motor vehicle emissions were the main sources for PAHs (which accounted for 30%, 27.4% and 26%, respectively, by PMF), but, secondary particle formation was important for the OPAHs and NPAHs. Inhalation cancer risks associated with outdoor and indoor particles were 6.05 x 10(-5) and 5.44 x 10(-5), respectively, and so higher than the cancer risk guideline of 10(-6). Although the cancer risk of NPAH5 is negligible for its lower concentrations, their potential for direct mutagenic effects should not be ignored. (C) 2017 Elsevier B.V. All rights reserved.
关键词Indoor/outdoor Air Pollution Pahs Opahs Npahs Classroom Health Effects
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.atmosres.2017.03.006
关键词[WOS]GAS CHROMATOGRAPHY/MASS SPECTROMETRY ; POSITIVE MATRIX FACTORIZATION ; PORT THERMAL-DESORPTION ; OUTDOOR AIR ; PARTICULATE MATTER ; INDOOR AIR ; SOURCE IDENTIFICATION ; NUMBER CONCENTRATIONS ; SOURCE APPORTIONMENT ; SEASONAL-VARIATIONS
收录类别SCI
语种英语
WOS研究方向Meteorology & Atmospheric Sciences
WOS类目Meteorology & Atmospheric Sciences
WOS记录号WOS:000401885000001
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文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5478
专题粉尘与环境研究室
作者单位1.Shaanxi Normal Univ, Coll Tourism & Environm, Xian, Peoples R China
2.Shaanxi Normal Univ, Natl Demonstrat Ctr Expt Geog Educ, Xian, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Key Lab Aerosol Chem & Phys, Xian, Peoples R China
4.Xi An Jiao Tong Univ, Dept Environm Sci & Engn, Xian, Peoples R China
5.CNRS Univ Toulouse, Lab Aerol, Observ Midi Pyrenees, Toulouse, France
6.Univ Chinese Acad Sci, Beijing, Peoples R China
7.Chinese Acad Sci, Inst Earth Environm, SKLLQG, Xian, Peoples R China
8.Desert Res Inst, Div Atmospher Sci, Reno, NV USA
9.Xi An Jiao Tong Univ, Inst Global Environm Change, Xian, Peoples R China
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Wang, Jingzhi,Xu, Hongmei,Guinot, Benjamin,et al. Concentrations, sources and health effects of parent, oxygenated- and nitrated- polycyclic aromatic hydrocarbons (PAHs) in middle-school air in Xi'an, China[J]. ATMOSPHERIC RESEARCH,2017,192(2017):1-10.
APA Wang, Jingzhi.,Xu, Hongmei.,Guinot, Benjamin.,Li, Lijuan.,Ho, Steven Sai Hang.,...&Cao, Junji.(2017).Concentrations, sources and health effects of parent, oxygenated- and nitrated- polycyclic aromatic hydrocarbons (PAHs) in middle-school air in Xi'an, China.ATMOSPHERIC RESEARCH,192(2017),1-10.
MLA Wang, Jingzhi,et al."Concentrations, sources and health effects of parent, oxygenated- and nitrated- polycyclic aromatic hydrocarbons (PAHs) in middle-school air in Xi'an, China".ATMOSPHERIC RESEARCH 192.2017(2017):1-10.
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