Document Detail


Spatial distribution of indoor aerosol deposition under accidental release conditions.
MedLine Citation:
PMID:  12467295     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Indoor aerosol dispersion and particle deposition was investigated using a series of puff releases of nonspecific activatable tracers simulating an accidental source. Initial particle size distribution included the respirable range, with most of the particles between 0.5 to 5.0 microm. Tracers were released in a nuclear laboratory/work environment and were collected via passive collector foils to obtain the spatial distribution of deposition. The observed distribution characteristics did not always correspond to the measured air flow patterns, and they showed a non-negligible dependence on aerosol dynamics such as thermophoretic effects. The collected data represent integrated deposition flux, which can serve for validation of aerosol dynamics models that aim to predict the deposition fluence of particles and may also be used for planning surface contamination surveys following accidental releases.
Authors:
E Sajo; H Zhu; J C Courtney
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Health physics     Volume:  83     ISSN:  0017-9078     ISO Abbreviation:  Health Phys     Publication Date:  2002 Dec 
Date Detail:
Created Date:  2002-12-06     Completed Date:  2002-12-23     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  2985093R     Medline TA:  Health Phys     Country:  United States    
Other Details:
Languages:  eng     Pagination:  871-83     Citation Subset:  IM    
Affiliation:
Louisiana State University, Nuclear Science Center, Department of Physics and Astronomy, Baton Rouge 70803, USA. nserno@lsu.edu
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MeSH Terms
Descriptor/Qualifier:
Accidents, Occupational*
Aerosols*
Air Pollution, Indoor*
Diffusion
Humans
Inhalation Exposure
Laboratories*
Nuclear Energy*
Occupational Exposure
Respiratory Physiological Phenomena
Chemical
Reg. No./Substance:
0/Aerosols

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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