An Extended Study on the Correlation between 210Pb in Household Dust and Indoor Radon Concentration


  •  Jing Chen    
  •  Weihua Zhang    
  •  Austin Jiao    

Abstract

Radon and its progeny have been identified as the second leading cause of lung cancer after tobacco smoking. Radon decays to a long-lived isotope, 210Pb, with a half-life of about 22 years. Measuring concentrations of 210Pb in household dust could be an alternative method of determining indoor radon levels. A previous study conducted in 2008 demonstrated that 210Pb concentrations in household dust correlate reasonably well to radon concentrations in homes. To confirm the viability of this retrospective method, a field experiment was repeated in 2010 to further study the correlation between 210Pb in household dust and indoor radon concentration. The results showed that 210Pb is a reasonably good indicator of long-term radon exposure indoors when dust samples collected are representative of household dust in a house.


This work is licensed under a Creative Commons Attribution 4.0 License.
  • ISSN(Print): 1927-0909
  • ISSN(Online): 1927-0917
  • Started: 2012
  • Frequency: semiannual

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