Levels and Sources of PAHs in Air-borne PM2.5 of Hefei City, China
Hu, Ruoyu1,2; Liu, Guijian1,2; Zhang, Hong1; Xue, Huaqin1; Wang, Xin1
2017-02-01
发表期刊BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
卷号98期号:2页码:270-276
文章类型Article
摘要This work studied the concentrations and sources of polycyclic aromatic hydrocarbons (PAHs) in air-borne particulate matter of Hefei, China. Samples of PM2.5 were collected daily at two sites during May, 2014, and January, 2015. The average daily concentration of PM2.5 was 96.88 A mu g m(-3), which is higher than the 2012 China Ambient Air Quality Standard (GB3095-2012 24-h grade II) of 75 A mu g m(-3). The concentrations of 16 EPA priority polycyclic aromatic hydrocarbons (PAHs) were analyzed by gas chromatography-mass spectrometry. The PM2.5-bound PAH concentrations ranged from 4.92 to 71.00 ng m(-3) (mean = 21.34 ng m(-3)), and exhibited obvious seasonal (31.38 ng m(-3) in winter and 14.05 ng m(-3) in summer) and spatial variability (27.23 ng m(-3)at site ME and 18.20 ng m(-3) at site MS). Meteorological conditions such as ambient temperature, wind speed and humidity had influences on the concentrations of PAHs. As an index for PAH carcinogenicity, the annual average concentration of benzo(a)pyrene ranged from 0.46 to 2.31 ng m(-3), with a mean of 1.15 ng m(-3). This mean was lower than the China Ambient Air Quality Standard (GB3095-2012) of 2.5 ng m(-3). The diagnostic PAH ratios and principal component analysis (PCA) suggested that combustion of coal and vehicle emissions were the main sources of PAHs in PM2.5.
关键词Polycyclic Aromatic Hydrocarbons Pm2.5 Meteorology Sources Apportionment
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1007/s00128-016-2019-9
关键词[WOS]POLYCYCLIC AROMATIC-HYDROCARBONS ; SOURCE APPORTIONMENT ; SEASONAL-VARIATIONS ; ORGANIC-COMPOUNDS ; URBAN AIR ; HONG-KONG ; ATMOSPHERE ; PARTICULATE ; PARTICLES ; JAPAN
收录类别SCI
语种英语
WOS研究方向Environmental Sciences & Ecology ; Toxicology
WOS类目Environmental Sciences ; Toxicology
WOS记录号WOS:000394130000020
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5532
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Crust Mantle Mat & Environm, Hefei 230026, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Shaanxi, Peoples R China
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Hu, Ruoyu,Liu, Guijian,Zhang, Hong,et al. Levels and Sources of PAHs in Air-borne PM2.5 of Hefei City, China[J]. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,2017,98(2):270-276.
APA Hu, Ruoyu,Liu, Guijian,Zhang, Hong,Xue, Huaqin,&Wang, Xin.(2017).Levels and Sources of PAHs in Air-borne PM2.5 of Hefei City, China.BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,98(2),270-276.
MLA Hu, Ruoyu,et al."Levels and Sources of PAHs in Air-borne PM2.5 of Hefei City, China".BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 98.2(2017):270-276.
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