Validation of the surface sink model for sorptive interactions between VOCs and indoor materials |
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| Institution: | 1. Institute for Research in Construction, National Research Council, Montreal Road, Ottawa, Ontario, Canada, K1A 0R6;2. Texas Institute for the Indoor Environment, Department of Civil Engineering, The University of Texas at Austin, 10100 Burnet Road, Austin, Texas, TX 78758, USA;1. Department of Chemical Engineering, University of New Brunswick, Fredericton, New Brunswick, Canada;2. Department of Chemical Engineering, McGill University, Montréal, Québec, Canada;1. Department of Physical Chemistry, 1 James Bourchier Blvd., Sofia University, 1164 Sofia, Bulgaria;2. Department of Materials Science and Metallurgy, University of Cambridge, 27 Charles Babbage Road, Cambridge CB3 0FS, United Kingdom;1. University of Belgrade, Faculty of Technology and Metallurgy, Karnegijeva 4, Belgrade, Serbia;2. University of Belgrade, Faculty of Agriculture, Nemanjina 6, Belgrade, Serbia;1. Institute of Reproductive and Child Health/Key Laboratory of Reproductive Health, National Health Commission of the People’s Republic of China, Peking University, Beijing 100191, China;2. Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing 100191, China;3. Health Education Division, Shanxi Children’s Hospital/Shanxi Maternal and Child Health Care Hospital, Taiyuan 030002, China |
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| Abstract: | Adsorption and desorption by indoor surface materials can have significant impacts on the level of volatile organic compounds (VOCs) indoors. The surface sink model (SSM) was developed to account for these interactions in an indoor air quality model. Two types of scale-up experiments were conducted to validate the SSM that was developed based on small-scale chamber experiments. Conflicting results were obtained from a large-scale laboratory experiment and a field test. From the large-scale laboratory experiment involving three materials and three chemicals, relatively good agreement was observed between measurements and predictions by the SSM. In contrast, the level of sorption in the field test was observed to be at least 9 times greater than was predicted by the SSM. |
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