Pollutant concentrations within households in Lao PDR and association with housing characteristics and occupants' activities
Morawska, Lidia, Mengersen, Kerrie, Wang, Hao, Tayphasavanh, Fengthong, Darasavong, Kongkeo, & Holmes, Nicholas S. (2010) Pollutant concentrations within households in Lao PDR and association with housing characteristics and occupants' activities. Environmental Science and Technology, 45(3), pp. 882-889.
The paper presents the results of a study conducted to investigate indoor air quality within residential dwellings in Lao PDR. Results from PM 10, CO, and NO2 measurements inside 167 dwellings in Lao PDR over a five month period (December 2005-April 2006) are discussed as a function of household characteristics and occupant activities. Extremely high PM10 and NO2 concentrations (12 h mean PM10 concentrations 1275 ± 98 μg m-3 and 1183 ± 99 μg m-3 in Vientiane and Bolikhamxay provinces, respectively; 12 h mean NO2 concentrations 1210 ± 94 μg m-3 and 561 ± 45 μg m-3 in Vientiane and Bolikhamxay, respectively) were measured within the dwellings. Correlations, ANOVA analysis (univariate and multivariate), and linear regression results suggest a substantial contribution from cookingandsmoking.The PM10 concentrations were significantly higher in houses without a chimney compared to houses in which cooking occurred on a stove with a chimney. However, no significant differences in pollutantconcentrations were observed as a function of cooking location. Furthermore, PM10 and NO2 concentrations were higher in houses in which smoking occurred, suggestive of a relationship between increased indoor concentrations and smoking (0.05 < p < 0.10). Resuspension of dust from soil floors was another significant source of PM10 inside the house (634 μg m-3, p < 0.05).
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|Item Type:||Journal Article|
|Keywords:||Housing characteristic, Indoor air quality, Indoor concentration, Pollutant concentration, Engineering controlled terms|
|ISSN:||1520-5851 (online) 0013-936X (print)|
|Subjects:||Australian and New Zealand Standard Research Classification > ENVIRONMENTAL SCIENCES (050000) > ENVIRONMENTAL SCIENCE AND MANAGEMENT (050200)|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering|
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Current > Schools > School of Mathematical Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Past > Schools > School of Physical & Chemical Sciences
|Copyright Owner:||Copyright 2010 American Chemical Society|
|Deposited On:||16 Feb 2012 08:26|
|Last Modified:||01 May 2013 14:23|
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