Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.envres.2005.12.013
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dc.titleRisk assessment of exposure to indoor aerosols associated with Chinese cooking
dc.contributor.authorSee, S.W.
dc.contributor.authorBalasubramanian, R.
dc.date.accessioned2014-10-08T08:33:41Z
dc.date.available2014-10-08T08:33:41Z
dc.date.issued2006-10
dc.identifier.citationSee, S.W., Balasubramanian, R. (2006-10). Risk assessment of exposure to indoor aerosols associated with Chinese cooking. Environmental Research 102 (2) : 197-204. ScholarBank@NUS Repository. https://doi.org/10.1016/j.envres.2005.12.013
dc.identifier.issn00139351
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/87627
dc.description.abstractCooking is an important source of indoor aerosols in residential homes and buildings with non-smokers, and thus has public health implications. However, limited information is currently available in the published literature on the physical and chemical characteristics of aerosols produced by gas cooking. Consequently, a comprehensive study was carried out to investigate the physical (number and mass concentrations and size distributions) and chemical (metals) properties in a typical Chinese food stall in Singapore where stir-frying in a wok is the most common cooking method using gas stove. To assess the contribution of cooking activities to indoor particle concentrations, aerosol measurements were performed in two distinct time periods, i.e., during cooking and non-cooking hours. The average mass concentrations of fine particles (PM2.5) and metals increased by a factor of 12 and 11, respectively, from 26.7 and 1.5 μg m-3 during non-cooking hours to 312.4 and 15.6 μg m-3 during cooking hours. The average number concentration was also elevated by a factor of 85, from 9.1×103 cm-3 during non-cooking hours to 7.7×105 cm-3 during cooking hours. Real-time particle measurements showed that about 80% of the particles associated with cooking are ultrafine particles in terms of particle counts. To evaluate the potential health threat due to inhalation of air pollutants released from gas cooking, the health risk estimates based on exposure and dose-response assessments of metals were calculated for a maximally exposed individual. The findings indicate that the indoor air quality existing at the food stall may pose adverse health effects over long-term exposure to cooking emissions. © 2006 Elsevier Inc. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.envres.2005.12.013
dc.sourceScopus
dc.subjectCooking
dc.subjectHealth risk
dc.subjectMetals
dc.subjectPM2.5
dc.subjectSize distribution
dc.typeArticle
dc.contributor.departmentDIVISION OF ENVIRONMENTAL SCIENCE & ENGG
dc.description.doi10.1016/j.envres.2005.12.013
dc.description.sourcetitleEnvironmental Research
dc.description.volume102
dc.description.issue2
dc.description.page197-204
dc.description.codenENVRA
dc.identifier.isiut000241172100006
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