Pattern of polycyclic aromatic hydrocarbons (PAHs) pollution in communication air of Hangzhou, China

被引：0

作者：

Wang, J ^{[1
]}

Zhu, LZ ^{[1
]}

Liu, YJ ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Environm Sci, Hangzhou 310028, Peoples R China

来源：

JOURNAL OF ENVIRONMENTAL SCIENCES | 2002年 / 14卷 / 02期

关键词：

PAHs; air; source apportionment; city communication;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Nine PAHs were surveyed in communication air of Hangzhou. The results indicated that the PAHs pollution is very serious and the total sum of 9 PAHs, on the average are 3.39 - 13.82 mug/m(3). The PAHs signatures for all streets are similar to each other. Multivariate statistical techniques were used to investigate source apportionment for PAHs. A factor analysis/multiple regression model was successfully applied to the study. The most important three PAHs sources in communication air are diesel emission, gasoline engine emission, coal-burning accounting for 61.1 +/- 6.4%, 19.9 +/- 8.3%, 10.8 +/- 10.8% of total PAHs, respectively. The relationship for three source tracers and total PAHs is: [PAHs] = 1.471(+/-0.155)[Phen] + 2.538 (+/-2.522)[1 - Mepy] + 2.254 (+/-0.943)[Chry] + 1.022 (+/-1.767).

引用

页码：145 / 150

页数：6

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