Document Detail

Wintertime indoor air levels of PM10, PM2.5 and PM1 at public places and their contributions to TSP.
MedLine Citation:
PMID:  14749108     Owner:  NLM     Status:  MEDLINE    
From 26 October 2002 to 8 March 2003, particulate matter (PM) concentrations (total suspended particles [TSP], PM10, PM2.5 and PM1) were measured at 49 public places representing different environments in the urban area of Beijing. The objectives of this study were (1) to characterize the indoor PM concentrations in public places, (2) to evaluate the potential indoor sources and (3) to investigate the contribution of PM10 to TSP and the contributions of PM2.5 and PM1 to PM10. Additionally, The indoor and outdoor particle concentrations in the same type of indoor environment were employed to investigate the I/O level, and comparison was made between I/O levels in different types of indoor environment. Construction activities and traffic condition were the major outdoor sources to influence the indoor particle levels. The contribution of PM10 to TSP was even up to 68.8%, while the contributions of PM2.5 and PM1 to PM10 were not as much as that of PM10 to TSP.
Yangsheng Liu; Rui Chen; Xingxing Shen; Xiaoling Mao
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Environment international     Volume:  30     ISSN:  0160-4120     ISO Abbreviation:  Environ Int     Publication Date:  2004 Apr 
Date Detail:
Created Date:  2004-01-29     Completed Date:  2004-06-08     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7807270     Medline TA:  Environ Int     Country:  United States    
Other Details:
Languages:  eng     Pagination:  189-97     Citation Subset:  IM    
Department of Environmental Engineering, Peking University, The Key Laboratory of Water and Sediment Sciences, Ministry of Education, Beijing 100871, China.
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MeSH Terms
Air Pollutants / analysis*
Air Pollution, Indoor / analysis*
Environmental Monitoring
Particle Size
Reg. No./Substance:
0/Air Pollutants

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