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Int. J. Environ. Res. Public Health 2010, 7(8), 3080-3099; doi:10.3390/ijerph7083080

Predictors of Indoor Air Concentrations in Smoking and Non-Smoking Residences

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1 Health Canada, 269 Laurier Avenue West, Ottawa, Ontario K1A 0K9, Canada 2 Regina Qu’Appelle Health Region, 2110 Hamilton Street, Regina, Saskatchewan S4P 2E3, Canada 3 Environment Canada, 335 River Road, Ottawa, Ontario K1A 0H3, Canada 4 Carleton University, 1125 Colonel By Drive, Ottawa, Ontario K1S 5B6, Canada
* Author to whom correspondence should be addressed.
Received: 6 July 2010 / Revised: 27 July 2010 / Accepted: 29 July 2010 / Published: 4 August 2010
(This article belongs to the Special Issue Indoor Air Pollution and Human Health)
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Indoor concentrations of air pollutants (benzene, toluene, formaldehyde, acetaldehyde, acrolein, nitrogen dioxide, particulate matter, elemental carbon and ozone) were measured in residences in Regina, Saskatchewan, Canada. Data were collected in 106 homes in winter and 111 homes in summer of 2007, with 71 homes participating in both seasons. In addition, data for relative humidity, temperature, air exchange rates, housing characteristics and occupants’ activities during sampling were collected. Multiple linear regression analysis was used to construct season-specific models for the air pollutants. Where smoking was a major contributor to indoor concentrations, separate models were constructed for all homes and for those homes with no cigarette smoke exposure. The housing characteristics and occupants’ activities investigated in this study explained between 11% and 53% of the variability in indoor air pollutant concentrations, with ventilation, age of home and attached garage being important predictors for many pollutants.
Keywords: residential indoor air quality; exposure; sources residential indoor air quality; exposure; sources
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Héroux, M.-E.; Clark, N.; Ryswyk, K.V.; Mallick, R.; Gilbert, N.L.; Harrison, I.; Rispler, K.; Wang, D.; Anastassopoulos, A.; Guay, M.; MacNeill, M.; Wheeler, A.J. Predictors of Indoor Air Concentrations in Smoking and Non-Smoking Residences. Int. J. Environ. Res. Public Health 2010, 7, 3080-3099.

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