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Organic aerosols in the air of Milan, Italy. The IIA-CNR measurement campaign of 2000–2001

✍ Scribed by Angelo Cecinato; Maria Concetta Tomasi Scianò; Alessandro di Menno di Bucchianico


Book ID
102441173
Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
376 KB
Volume
26
Category
Article
ISSN
1615-9306

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✦ Synopsis


Abstract

Inhalable aerosols collected in downtown Milan during a whole‐year field campaign (from November 2000 to October 2001) were investigated to determine amounts of n‐alkanes, polynuclear aromatic hydrocarbons (PAH), including benzo[a]pyrene (BaP), nitrated PAH (NPAH), and monocarboxylic n‐alkanoic acids. Combustion processes including vehicle emission were confirmed as the most important sources affecting air quality, whereas release of organic material from biota contributed a few percent. The occurrence of in‐situ reactions in the atmosphere promoted by oxidants modified, to some extent, the composition of both PAH and NPAH fractions, by reducing the amount of BaP present in the aerosols and increasing that of NPAH.