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Contribution from indoor sources to particle number and mass concentrations in residential houses

He, Congrong, Morawska, Lidia, Hitchins, Jane, & Gilbert, Dale (2004) Contribution from indoor sources to particle number and mass concentrations in residential houses. Atmospheric Envrionment, 38(21), pp. 3405-3415.

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Abstract

As part of a large study investigating indoor air in residential houses in Brisbane, Australia, the purpose of this work was to quantify emission characteristics of indoor particle sources in 15 houses. Submicrometer particle number and approximation of PM2.5 concentrations were measured simultaneously for more than 48 h in the kitchen of all the houses by usinga condensation particle counter (CPC) and a photometer (DustTrak), respectively. In addition, characterizations of particles resultingfrom cookingconducted in an identical way in all the houses were measured by usinga scanningmobility particle sizer (SMPS), an aerodynamic particle sizer (APS) and a DustTrak. All the events of elevated particle concentrations were linked to indoor activities usinghouse occupants diary entries, and catalogued into 21 different types of indoor activities. This enabled quantification of the effect of indoor sources on indoor particle concentrations as well as quantification of emission rates from the sources. For example, the study found that frying, grilling, stove use, toasting, cooking pizza, cooking, candle vaporizing eucalyptus oil and fan heater use, could elevate the indoor submicrometer particle number concentration levels by more than five times, while PM2.5 concentrations could be up to 3, 30 and 90 times higher than the background levels during smoking, frying and grilling, respectively. r 2004 Elsevier Ltd. All rights reserved.

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ID Code: 5789
Item Type: Journal Article
Additional Information: For more information, please refer to the journal’s website (see link) or contact the author. Author contact details: c.he@qut.edu.au
Keywords: Indoor air quality, Indoor emission sources, Ultrafine particles, Emission rates, Submicrometer particles
DOI: 10.1016/j.atmosenv.2004.03.027
ISSN: 1352-2310
Subjects: Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > ATMOSPHERIC SCIENCES (040100) > Atmospheric Sciences not elsewhere classified (040199)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Schools > Physics
Past > Schools > School of Urban Development
Copyright Owner: Copyright 2004 Elsevier
Deposited On: 12 Dec 2006
Last Modified: 29 Feb 2012 23:03

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