Document Detail

Radon exhalation from building materials for decorative use.
MedLine Citation:
PMID:  20167403     Owner:  NLM     Status:  MEDLINE    
Long-term exposure to radon increases the risk of developing lung cancer. There is considerable public concern about radon exhalation from building materials and the contribution to indoor radon levels. To address this concern, radon exhalation rates were determined for 53 different samples of drywall, tile and granite available on the Canadian market for interior home decoration. The radon exhalation rates ranged from non-detectable to 312 Bq m(-2) d(-1). Slate tiles and granite slabs had relatively higher radon exhalation rates than other decorative materials, such as ceramic or porcelain tiles. The average radon exhalation rates were 30 Bq m(-2) d(-1) for slate tiles and 42 Bq m(-2) d(-1) for granite slabs of various types and origins. Analysis showed that even if an entire floor was covered with a material having a radon exhalation rate of 300 Bq m(-2) d(-1), it would contribute only 18 Bq m(-3) to a tightly sealed house with an air exchange rate of 0.3 per hour. Generally speaking, building materials used in home decoration make no significant contribution to indoor radon for a house with adequate air exchange.
Jing Chen; Naureen M Rahman; Ibrahim Abu Atiya
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Publication Detail:
Type:  Journal Article     Date:  2010-02-18
Journal Detail:
Title:  Journal of environmental radioactivity     Volume:  101     ISSN:  1879-1700     ISO Abbreviation:  J Environ Radioact     Publication Date:  2010 Apr 
Date Detail:
Created Date:  2010-03-08     Completed Date:  2010-05-26     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8508119     Medline TA:  J Environ Radioact     Country:  England    
Other Details:
Languages:  eng     Pagination:  317-22     Citation Subset:  IM    
Copyright Information:
Crown Copyright 2010. Published by Elsevier Ltd. All rights reserved.
Radiation Protection Bureau, Health Canada, 775 Brookfield Road, Ottawa K1A 1C1, Canada.
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MeSH Terms
Air Pollutants, Radioactive / analysis*
Construction Materials / analysis*
Radiation Monitoring / instrumentation,  methods
Radon / analysis*
Reg. No./Substance:
0/Air Pollutants, Radioactive; 10043-92-2/Radon

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