Particulate matter and particle-bound polycyclic aromatic hydrocarbons in the Dapu road tunnel in Shanghai

被引：6

作者：

Zhao, Quan ^{[1
]}

Yu, Qi ^{[1
]}

Chen, Limin ^{[1
]}

机构：

[1] Fudan Univ, Dept Environm Sci & Engn, Shanghai 200433, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ENVIRONMENT AND POLLUTION | 2010年 / 41卷 / 1-2期

关键词：

particulate matter; PAII; size distribution; vehicular emission; tunnel; FINE ORGANIC AEROSOL; SIZE DISTRIBUTIONS; CARCINOGENIC IMPACT; DIESEL VEHICLES; URBAN AEROSOLS; MOBILE SOURCES; EMISSIONS; CARBON; CHINA; GASOLINE;

D O I：

10.1504/IJEP.2010.032243

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Airborne Particulate Matter (PM) was collected ill a cross-river road tunnel using portable air samplers and a cascade impactor. Sixteen EPA priority Polycyclic Aromatic Hydrocarbons (PAH) in the PM were quantified by gas chromatography/mass spectrometry. Profiles and diagnostic ratios of PAHs were investigated, and size distribution of PM mass and PAHs were discussed. High concentrations of PM2.5 (2.30 +/- 0.86 mg m(-3)) and total 16 PAHs in PM2.5 (841.7 +/- 116.9 ng m(-3)) were observed. The profiles of individual PAH and diagnostic ratios of Ant/(Ant + Phe), Flt/(Flt + Pyr), BaA/(BaA + Chr), IcdP/(IcdP + BghiP) represented typical emissions from motor vehicles. Size distribution patterns and correlation between mass median aerodynamic diameters and log p(L)(0) reflected the co-influence of vehicular emissions and volatilisation-condensation processes on the size partitioning of PM mass and individual PAHs in the tunnel.

引用

页码：21 / 37

页数：17

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