Preliminary results on the chemical composition of outdoor airborne particles at urban schools and possible implications for the air quality in classrooms
Crilley, Leigh R., Ayoko, Godwin A., Mazaheri, Mandana, & Morawska, Lidia (2012) Preliminary results on the chemical composition of outdoor airborne particles at urban schools and possible implications for the air quality in classrooms. In Healthy Buildings 2012, 10th International Conference, Official Conference of the International Society of Indoor Air Quality and Climate, 8-12 July 2012, Brsibane Exhibition and Convention Centre, Brisbane, QLD. (Unpublished)
Vehicle emissions are a significant source of fine particles (Dp < 2.5 µm) in an urban environment. These fine particles have been shown to have detrimental health effects, with children thought to be more susceptible. Vehicle emissions are mainly carbonaceous in nature, and carbonaceous aerosols can be defined as either elemental carbon (EC) or organic carbon (OC). EC is a soot-like material emitted from primary sources while OC fraction is a complex mixture of hundreds of organic compounds from either primary or secondary sources (Cao et al., 2006). Therefore the ratio of OC/EC can aid in the identification of source. The purpose of this paper is to use the concentration of OC and EC in fine particles to determine the levels of vehicle emissions in schools. It is expected that this will improve the understanding of the potential exposure of children in a school environment to vehicle emissions.
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|Item Type:||Conference Paper|
|Keywords:||Detection, Identification, Quantification, Particles , Organic, schools, traffic pollutants|
|Subjects:||Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > ATMOSPHERIC SCIENCES (040100)
Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > ATMOSPHERIC SCIENCES (040100) > Atmospheric Aerosols (040101)
Australian and New Zealand Standard Research Classification > ENVIRONMENTAL SCIENCES (050000) > ENVIRONMENTAL SCIENCE AND MANAGEMENT (050200) > Environmental Monitoring (050206)
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2012 The Authors|
|Deposited On:||29 Oct 2012 22:49|
|Last Modified:||30 Oct 2012 00:28|
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