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Title: Emission modelling and validation of VOCs' source strengths in air-conditioned office premises
Authors: Tham, K.W. 
Zuraimi, M.S.
Sekhar, S.C. 
Keywords: Air-conditioned office building
Emission rates
Mass balance model
Occupant and their activities
Steady state
Issue Date: 2004
Citation: Tham, K.W., Zuraimi, M.S., Sekhar, S.C. (2004). Emission modelling and validation of VOCs' source strengths in air-conditioned office premises. Environment International 30 (8) : 1075-1088. ScholarBank@NUS Repository.
Abstract: An emission model for indoor volatile organic compounds (VOCs) based on mass balance considerations has been presented and validated under steady state conditions. Comparison were made for the measured and predicted concentrations of 37 selected VOCs and TVOC through a case intervention study on the filters of the ventilation system in a new commercial air-conditioned office building. The intervention involved replacing media filters with electronic and carbon filtration. TVOC and 37 compounds selected for their health and comfort impact, representation of major chemical classes that occur in indoor air and their utility as markers of pollution sources were studied. The concentration levels predicted by the model were compared with actual measurements. Twenty-five target compounds and the TVOC were adequately described by the model where the measured concentrations were in agreement with the predicted concentrations. Modeling of the remaining 12 compounds was found to be affected by the emission rates that were occupant related. © 2004 Elsevier Ltd. All rights reserved.
Source Title: Environment International
ISSN: 01604120
DOI: 10.1016/j.envint.2004.06.001
Appears in Collections:Staff Publications

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