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- Publisher Website: 10.1159/000068235
- Scopus: eid_2-s2.0-0036974613
- WOS: WOS:000181285400005
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Article: Quantification of indoor TVOC levels from different sources in mechanically ventilated buildings
Title | Quantification of indoor TVOC levels from different sources in mechanically ventilated buildings |
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Authors | |
Keywords | Outdoor sources Occupant-related sources Building material-related sources Ventilation Total volatile organic compounds |
Issue Date | 2002 |
Citation | Indoor and Built Environment, 2002, v. 11, n. 6, p. 340-350 How to Cite? |
Abstract | The levels of total volatile organic compounds (TVOCs) in 17 building premises including offices, customer services centre, social services centre and fitness facilities were measured using a real-time monitoring method by a photo-acoustic infrared instrument. Measurements were taken both when the mechanical ventilation system was operating and when it was not operating. Simple source apportionment analysis was conducted based on a simplified materials balance equation to identify sources of the indoor VOC accumulation and their contributions from building material-related sources, occupant-related sources and the outdoors. The average emission rate of TVOCs from building materials was 0.19 μg·m-2·s-1and that from the occupants was 5 μg·s-1per person. The TVOC emission rate from ventilation ductwork was 0.21 μg·s-1. During the daytime, the building material-related TVOC sources and the occupant-related TVOC sources each contributed 17.5 and 14.9% by weight to the total indoor TVOC accumulation, respectively, with the remaining 67.5% coming from the outdoor sources. During night-time, the building material-related TVOC sources contributed an average of 32.2% by weight to the total indoor TVOC sources and the remaining 67.8% came from the outdoor sources. The indoor TVOC level contributed by the ventilation ducting and related sources was found to be negligible. Copyright © 2003 S. Karger AG, Basel. |
Persistent Identifier | http://hdl.handle.net/10722/255846 |
ISSN | 2023 Impact Factor: 3.2 2023 SCImago Journal Rankings: 0.667 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Chan, George Y. | - |
dc.contributor.author | Chao, Christopher Y. | - |
dc.date.accessioned | 2018-07-16T06:13:50Z | - |
dc.date.available | 2018-07-16T06:13:50Z | - |
dc.date.issued | 2002 | - |
dc.identifier.citation | Indoor and Built Environment, 2002, v. 11, n. 6, p. 340-350 | - |
dc.identifier.issn | 1420-326X | - |
dc.identifier.uri | http://hdl.handle.net/10722/255846 | - |
dc.description.abstract | The levels of total volatile organic compounds (TVOCs) in 17 building premises including offices, customer services centre, social services centre and fitness facilities were measured using a real-time monitoring method by a photo-acoustic infrared instrument. Measurements were taken both when the mechanical ventilation system was operating and when it was not operating. Simple source apportionment analysis was conducted based on a simplified materials balance equation to identify sources of the indoor VOC accumulation and their contributions from building material-related sources, occupant-related sources and the outdoors. The average emission rate of TVOCs from building materials was 0.19 μg·m-2·s-1and that from the occupants was 5 μg·s-1per person. The TVOC emission rate from ventilation ductwork was 0.21 μg·s-1. During the daytime, the building material-related TVOC sources and the occupant-related TVOC sources each contributed 17.5 and 14.9% by weight to the total indoor TVOC accumulation, respectively, with the remaining 67.5% coming from the outdoor sources. During night-time, the building material-related TVOC sources contributed an average of 32.2% by weight to the total indoor TVOC sources and the remaining 67.8% came from the outdoor sources. The indoor TVOC level contributed by the ventilation ducting and related sources was found to be negligible. Copyright © 2003 S. Karger AG, Basel. | - |
dc.language | eng | - |
dc.relation.ispartof | Indoor and Built Environment | - |
dc.subject | Outdoor sources | - |
dc.subject | Occupant-related sources | - |
dc.subject | Building material-related sources | - |
dc.subject | Ventilation | - |
dc.subject | Total volatile organic compounds | - |
dc.title | Quantification of indoor TVOC levels from different sources in mechanically ventilated buildings | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1159/000068235 | - |
dc.identifier.scopus | eid_2-s2.0-0036974613 | - |
dc.identifier.volume | 11 | - |
dc.identifier.issue | 6 | - |
dc.identifier.spage | 340 | - |
dc.identifier.epage | 350 | - |
dc.identifier.isi | WOS:000181285400005 | - |
dc.identifier.issnl | 1420-326X | - |