Characterization of PM10 fraction of road dust for polycyclic aromatic hydrocarbons (PAHs) from Anshan, China

被引：59

作者：

Han, Bin ^{[1
]}

Bai, Zhipeng ^{[1
]}

Guo, Guanghuan ^{[1
]}

Wang, Fang ^{[1
]}

Li, Fu ^{[2
]}

Liu, Qiuxin ^{[2
]}

Ji, Yaqin ^{[1
]}

Li, Xiang ^{[1
]}

Hu, Yandi ^{[1
]}

机构：

[1] Nankai Univ, Coll Environm Sci & Engn, State Environm Protect Key Lab Urban Ambient Air, Tianjin 300071, Peoples R China

[2] Anshan Environm Monitoring Ctr, Anshan, Liaoning Prov, Peoples R China

来源：

JOURNAL OF HAZARDOUS MATERIALS | 2009年 / 170卷 / 2-3期

关键词：

Road dust; Polycyclic aromatic hydrocarbons; Diagnostic ratios; Principal component analysis; FINE ORGANIC AEROSOL; BALANCE SOURCE APPORTIONMENT; NORTHERN GREECE; AIR-QUALITY; HONG-KONG; URBAN; CALIFORNIA; SOILS; PM2.5; CITY;

D O I：

10.1016/j.jhazmat.2009.05.059

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Nineteen road dust samples were collected during 2005 in different parts of the urban area of Anshan, Liaoning Province, China, and 11 polycyclic aromatic hydrocarbons (PAHs) species were quantitatively analyzed using GC-MS. The results indicated that the total average concentration of PAHs over the investigated sites ranged from 48.73 to 638.26 mu g/g, with a mean value of 144.25 mu g/g, higher than the concentrations measured in previous studies. PAHs concentrations were higher with high molecular weight homologues (4-6 rings PAHs), accounting for 83.24-96.98%, showing combustion of petroleum fuels was a potential source. Organic carbon in road dust was considered one of the important factors that influenced the concentrations of PAHs in this study, and it was found that concentrations of total PAHs were correlated with those of organic carbon in road dust. The results of diagnostic ratios analysis showed traffic emission (gasoline or diesel) was one of the most important sources of road dust PAHs. Principal component analysis (PCA) indicated that the major sources of road dust PAHs might be emission from traffic, steel industry, cooking and coal combustion. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：934 / 940

页数：7

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