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Chemosphere
Volume 63, Issue 3, April 2006, Pages 421-429
 
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doi:10.1016/j.chemosphere.2005.08.038    How to Cite or Link Using DOI (Opens New Window)
Copyright © 2005 Elsevier Ltd All rights reserved.

Volatile organic compounds in selected micro-environments

A.L. Hinwooda, Corresponding Author Contact Information, E-mail The Corresponding Author, H.N. Berkob, D. Farrarc, I.E. Galballyd and I.A. Weeksd

aCentre for Ecosystem Management, School of Natural Sciences, Edith Cowan University, 100 Joondalup Drive, Joondalup 6027, Western Australia, Australia bHealth Protection Service, Locked Bag 5, Weston Creek, ACT 2611, Australia cDepartment of Environment, P.O. Box 6740, Hay St. East Perth, WA 6892, Australia dCSIRO Marine and Atmospheric Research, Private Bag 1, Aspendale Victoria 3195, Australia

Received 10 August 2004; 
revised 18 August 2005; 
accepted 18 August 2005. 
Available online 11 November 2005.

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Abstract

A program of sampling for volatile organic compounds (VOCs) in ambient air was undertaken in selected locations and micro-environments in Perth, Western Australia to characterise concentrations of target VOCs and to determine the relative strength of the contributing sources to ambient air in different micro-environments in a major Australian city. Twenty-seven locations were sampled and, of the forty-one target compounds, 26 VOCs were detected in the samples collected. The highest concentrations were recorded for benzene, toluene, ethylbenzene, xylenes (BTEX), chloroform and styrene. The maximum 12-h toluene and benzene concentrations observed were from a basement carpark and were 24.7 parts per billion (ppb) and 5.6 ppb, respectively. The maximum xylenes concentration was 29.4 ppb and occurred in a nightclub where styrene was also detected. A factor analysis of the data was undertaken. Two key factors emerge that appear to be associated with petroleum and motor vehicles and environmental tobacco smoke. A third significant occurrence was a high concentration of chloroform that was observed at a sports centre complex with a swimming pool text and was uncorrelated with other compounds in the data set. This study indicates that locations associated with motor vehicles and petrol fuel, tobacco and wood smoke and chlorinated water represent the major risks for personal exposure to VOCs in Perth.

Keywords: Air toxics; Exposure; Micro-environment; Vehicle emissions; Chlorinated solvents

Article Outline

1. Introduction
2. Methods and materials
2.1. Sampling locations
2.2. Sampling procedures
2.3. Chemical analysis
3. Results
4. Factor analysis
5. Discussion
Acknowledgements
References

Chemosphere
Volume 63, Issue 3, April 2006, Pages 421-429
 
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