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- Publisher Website: 10.1016/S0360-1323(00)00057-3
- Scopus: eid_2-s2.0-0035501568
- WOS: WOS:000171353800002
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Article: Comparison between indoor and outdoor air contaminant levels in residential buildings from passive sampler study
Title | Comparison between indoor and outdoor air contaminant levels in residential buildings from passive sampler study |
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Authors | |
Keywords | Ozone Sulphur dioxides Sink effect Nitrogen oxides Domestic buildings Deposition velocity |
Issue Date | 2001 |
Citation | Building and Environment, 2001, v. 36, n. 9, p. 999-1007 How to Cite? |
Abstract | The relationships between indoor and outdoor levels of various air contaminants (NO, NO2, SO2and O3) in 10 non-smoking residential buildings were discussed in this paper. Levels of these four air contaminants from 10 domestic units in Hong Kong were obtained using passive samplers. An integral approach was applied to the mass balance equation and with some approximations, the source and sink strengths of the air contaminants were estimated. It has been found that the average ratios of the indoor and outdoor levels of NO, NO2, SO2and O3were 0.98 (S.D. = 0.19), 0.79 (S.D. = 0.30), 1.01 (S.D. = 0.78) and 0.40 (S.D. = 0.31), respectively. The results also indicated that the residential buildings in Hong Kong acted as sinks for these four air contaminants on average. The average sink strengths of NO, NO2, SO2and O3were 3.01, 0.42, 0.32 and 1.39 mg/h respectively. The deposition velocity of ozone onto wall surfaces in the buildings was estimated to be 0.0225 cm/s. Comparison of the measured data to the newly developed indoor air quality guidance notes in Hong Kong indicated that the nitrogen oxides level needed some concern while the sulphur dioxide and ozone levels were low in the indoor residential environment. © 2001 Elsevier Science Ltd. All rights reserved. |
Persistent Identifier | http://hdl.handle.net/10722/255855 |
ISSN | 2023 Impact Factor: 7.1 2023 SCImago Journal Rankings: 1.647 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Chao, C. Y H | - |
dc.date.accessioned | 2018-07-16T06:13:52Z | - |
dc.date.available | 2018-07-16T06:13:52Z | - |
dc.date.issued | 2001 | - |
dc.identifier.citation | Building and Environment, 2001, v. 36, n. 9, p. 999-1007 | - |
dc.identifier.issn | 0360-1323 | - |
dc.identifier.uri | http://hdl.handle.net/10722/255855 | - |
dc.description.abstract | The relationships between indoor and outdoor levels of various air contaminants (NO, NO2, SO2and O3) in 10 non-smoking residential buildings were discussed in this paper. Levels of these four air contaminants from 10 domestic units in Hong Kong were obtained using passive samplers. An integral approach was applied to the mass balance equation and with some approximations, the source and sink strengths of the air contaminants were estimated. It has been found that the average ratios of the indoor and outdoor levels of NO, NO2, SO2and O3were 0.98 (S.D. = 0.19), 0.79 (S.D. = 0.30), 1.01 (S.D. = 0.78) and 0.40 (S.D. = 0.31), respectively. The results also indicated that the residential buildings in Hong Kong acted as sinks for these four air contaminants on average. The average sink strengths of NO, NO2, SO2and O3were 3.01, 0.42, 0.32 and 1.39 mg/h respectively. The deposition velocity of ozone onto wall surfaces in the buildings was estimated to be 0.0225 cm/s. Comparison of the measured data to the newly developed indoor air quality guidance notes in Hong Kong indicated that the nitrogen oxides level needed some concern while the sulphur dioxide and ozone levels were low in the indoor residential environment. © 2001 Elsevier Science Ltd. All rights reserved. | - |
dc.language | eng | - |
dc.relation.ispartof | Building and Environment | - |
dc.subject | Ozone | - |
dc.subject | Sulphur dioxides | - |
dc.subject | Sink effect | - |
dc.subject | Nitrogen oxides | - |
dc.subject | Domestic buildings | - |
dc.subject | Deposition velocity | - |
dc.title | Comparison between indoor and outdoor air contaminant levels in residential buildings from passive sampler study | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/S0360-1323(00)00057-3 | - |
dc.identifier.scopus | eid_2-s2.0-0035501568 | - |
dc.identifier.volume | 36 | - |
dc.identifier.issue | 9 | - |
dc.identifier.spage | 999 | - |
dc.identifier.epage | 1007 | - |
dc.identifier.isi | WOS:000171353800002 | - |
dc.identifier.issnl | 0360-1323 | - |