Characterization of elemental and polycyclic aromatic hydrocarbon compositions of the urban air in Brisbane
Lim, McKenzie C. H., Ayoko, Godwin A., & Morawska, Lidia (2005) Characterization of elemental and polycyclic aromatic hydrocarbon compositions of the urban air in Brisbane. Atmospheric Environment, 39(3), pp. 463-476.
Characterization of the elemental and PAHs compositions of urban air was undertaken at three major sites in Brisbane, Australia. 17 elements and 16 US EPA priority PAHs were quantified at the sites. The most commonly detected elements in the TSP and PM2.5 fractions were Al, Cd, Co, Cr, Cu, Fe, Mn, Mo, Si, Sn, Sr and Zn. Compared to the two other sites, PM2.5 was found to contain higher concentrations of Zr, Mo, V, Al, Mn and Sr at the QUT site. In contrast, the Woolloongabba sampling site, which was highly influenced by the vehicular emission and local industrial activities, has higher concentrations of Co, Sn, Cu, Zn and Mg while ANZ site has significantly lower concentration levels of most elements than the other sites; possibly due to the shielding effect of the nearby bush and forest. NAP, PHE, ANT, FLT, PYR and CRY were the most widespread PAHs found in all sites. But only QUT and Woolloongabba bus platform sites had detectable levels of the most carcinogenic US EPA PAH, BAP. The multi-criteria decision making procedures, PROMETHEE and GAIA were used to rank the air samples and to identify the sources of the pollutants. Thus Woolloongabba bus platform was ranked as the most polluted site on the basis of the elemental and PAH compositions of its air samples while Woolloongabba bus platform and QUT sites were ranked as the worst polluted sites in terms of PAHs and PM2.5 elemental contents respectively.
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|Item Type:||Journal Article|
|Keywords:||urban air pollution, polycyclic aromatic hydrocarbons, elements, multivariate data analyses|
|Subjects:||Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > OTHER PHYSICAL SCIENCES (029900) > Physical Sciences not elsewhere classified (029999)|
Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > OTHER PHYSICAL SCIENCES (029900)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
|Copyright Owner:||Copyright 2005 Elsevier|
|Copyright Statement:||Reproduced in accordance with the copyright policy of the publisher.|
|Deposited On:||02 Dec 2005|
|Last Modified:||29 Feb 2012 23:13|
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