Oxygenated polycyclic aromatic hydrocarbons in urban air particulate matter

被引：67

作者：

Sienra, MD ^{[1
]}

机构：

[1] Univ Andres Bello, Fac Ecol & Recursos Nat, Dept Ciencias Quim, Santiago, Chile

来源：

ATMOSPHERIC ENVIRONMENT | 2006年 / 40卷 / 13期

关键词：

Oxy-PAHs; Santiago de Chile; PM10; particulate matter;

D O I：

10.1016/j.atmosenv.2005.12.009

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Atmospheric concentrations of oxygenated polycyclic aromatic hydrocarbons (Oxy-PAHs) in Santiago de Chile city were evaluated to study particulate Oxy-PAHs profiles during cold and spring weather periods. Samples of urban particulate matter PM10 were collected during July and September-October, using a high volume air sampler provided with glass fiber filters. Samples were analyzed by gas chromatography-mass spectrometry (GC-MS). Ketones, quinones, aldehydes and carboxaldehydes were characterized and quantified. Among 12 oxy-PAHs found in the air samples, I-pyrenecarboxaldehyde was found the greatest amount at the two sampling seasons (winter and spring) and at the two sampling sites (4.66 +/- 4.21 ngm(-3) at Providencia and 2.66 +/- 2.33 ng m(-3) at Las Condes, during winter). Concentration of these carcinogenic compounds is higher than other cities indicating an exposure of the inhabitants of Santiago to high amount of carcinogenic-mutagenic compounds air pollutants. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：2374 / 2384

页数：11

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