Assessing health risk associated with airborne polycyclic aromatic hydrocarbons by chemometrics and toxic equivalency factors
Ayoko, Godwin, Lim, McKenzie, & Morawska, Lidia (2005) Assessing health risk associated with airborne polycyclic aromatic hydrocarbons by chemometrics and toxic equivalency factors. In Hooper, M. (Ed.) Proceedings of 17th International Clean Air and Environment Conference, CASANZ, Hobart, Tasmania, pp. 1-6.
Some polycyclic aromatic hydrocarbons (PAHs) are ubiquitous in air and have been implicated as carcinogenic materials. Therefore, literature is replete with studies that are focused on their occurrence and profiles in indoor and outdoor air samples. However, because the relative potency of individual PAHs vary widely, health risks associated with the presence of PAHs in a particular environment cannot be extrapolated directly from the concentrations of individual PAHs in that environment. In addition, database on the potency of PAH mixtures is currently limited. In this paper, we have utilized multi-criteria decision making methods (MCDMs) to simultaneously correlate PAH-related health risk in some microenvironments to the concentration levels, ethoxyresorufin-O-deethylase (EROD) activity induction equivalency factors and toxic equivalency factors (TEFs) of PAHs found in those microenvironments. The results showed that the relative risk associated with PAHs in different air samples depends on the index used. Nevertheless, this approach offers a promising tool that could help identify microenvironments of concern and assist the prioritisation of control strategies.
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|Item Type:||Conference Paper|
|Keywords:||Risk Assessment, PAHs, Toxic Equivalency Factors, Chemometrics|
|Subjects:||Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > ANALYTICAL CHEMISTRY (030100) > Quality Assurance Chemometrics Traceability and Metrological Chemistry (030106)|
Australian and New Zealand Standard Research Classification > ENVIRONMENTAL SCIENCES (050000) > OTHER ENVIRONMENTAL SCIENCES (059900) > Environmental Sciences not elsewhere classified (059999)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
|Copyright Owner:||Copyright 2005 [please consult the authors]|
|Deposited On:||18 Jun 2009 00:59|
|Last Modified:||29 Feb 2012 23:17|
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