Particle-Associated Polycyclic Aromatic Hydrocarbons (PAHs) in the Atmosphere of Hefei, China: Levels, Characterizations and Health Risks
Hu, Ruoyu1,2; Liu, Guijian1,2; Zhang, Hong1,3; Xue, Huaqin1; Wang, Xin1; Wang, Ruwei1
2018-04-01
发表期刊ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
卷号74期号:3页码:442-451
文章类型Article
摘要Airborne PM2.5 and PM10 samples were collected in summertime (August 2015) and wintertime (December 2015-January 2016) in an industrial complex area in Hefei, China. The average concentrations of PM2.5 and PM10 (90.5 and 114.5 mu g/m(3), respectively) were higher than the regulated levels of China National Ambient Air Quality Standard (grade I) and the WHO Ambient (outdoor) Air Quality and Health Guideline Value. Seasonal variations in PM2.5/PM10 indicated that the secondary sources of particulate matters, formed by gas-to-particle conversion, were enhanced in summer due to longer time of solar radiation and higher temperature. The total concentrations of PM2.5- and PM10-associated PAHs were 5.89 and 17.70 ng/m(3) in summer as well as 63.41 and 78.26 ng/m(3) in winter, respectively. Both PM2.5- and PM10-associated PAHs were dominated by 4- to 6-ring PAHs, suggesting that the fossil fuel combustion and vehicle emissions were the primary sources of PAHs in atmospheric particulate matters in Hefei. The total concentration of PAHs had a slightly higher correlation coefficient with PM2.5 (R = 0.499, P < 0.05) than PM10 (R = 0.431, P > 0.05), indicating the higher association tendency of PAHs with PM2.5. The coefficient of divergence analysis showed that the compositions of PAH were quite different between summer and winter. Total BaP equivalent concentration (BaP-TEQ) for particulate-bound PAHs in winter (58.87 ng/m(3)) was higher than that in summer (5.53 ng/m(3)). In addition, particulate-bound PAHs in winter had an inhalation cancer risk (ICR) value of 2.8 x 10(-3), which was higher than the safe range (10(-4)-10(-6)).
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1007/s00244-017-0472-z
关键词[WOS]PARTICULATE MATTER ; AMBIENT AIR ; PM2.5/PM10 CONCENTRATIONS ; POTENTIAL IMPLICATIONS ; SEASONAL-VARIATIONS ; SIZE DISTRIBUTION ; URBAN AIR ; HONG-KONG ; PM10 ; SITES
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:000427868500008
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5213
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
3.Anhui Acad Environm Sci, Hefei 230026, Anhui, Peoples R China
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Hu, Ruoyu,Liu, Guijian,Zhang, Hong,et al. Particle-Associated Polycyclic Aromatic Hydrocarbons (PAHs) in the Atmosphere of Hefei, China: Levels, Characterizations and Health Risks[J]. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,2018,74(3):442-451.
APA Hu, Ruoyu,Liu, Guijian,Zhang, Hong,Xue, Huaqin,Wang, Xin,&Wang, Ruwei.(2018).Particle-Associated Polycyclic Aromatic Hydrocarbons (PAHs) in the Atmosphere of Hefei, China: Levels, Characterizations and Health Risks.ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY,74(3),442-451.
MLA Hu, Ruoyu,et al."Particle-Associated Polycyclic Aromatic Hydrocarbons (PAHs) in the Atmosphere of Hefei, China: Levels, Characterizations and Health Risks".ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 74.3(2018):442-451.
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