ISSN 2415-1297 (Online)   ISSN 2415-1300 (Print)
 
             
 
Volume : 27 Issue : 3 Year : 2019
 
Measurement of Concentrations of Radon and Its Daughters in Wellings Using CR-39 Nuclear Tract Detector [Med J Islamic World Acad Sci]
Med J Islamic World Acad Sci. 1992; 5(1): 4-7

Measurement of Concentrations of Radon and Its Daughters in Wellings Using CR-39 Nuclear Tract Detector

S. M. Farid
From Department of Physics, University of Swaziland Kwaluseni, Swaziland, Southern Africa.

Various national and international surveys have demonstrated an increase in radon (222Rn) levels in dwellings and consequently there is a continuous growing concern about its health effects on the population. Rn progeny levels in dwellings are likely to be a multiple of outdoor levels. This paper presents the results of the measurements of indoor Rn and daughter levels in houses of different types located in different parts of Bangladesh. The dose to the population from the inhalation of indoor Rn is also calculated. The present measurements have given a geometric mean of 9.5 mWL of potential alpha energy exposure level from Rn daughters, which corresponds to an annual effective dose equivalent of 3.l mSv.

Keywords: PAEE, nuclear track detector, calibration factor, indoor radon, thoron, effective dose equivalent.


S. M. Farid. Measurement of Concentrations of Radon and Its Daughters in Wellings Using CR-39 Nuclear Tract Detector. Med J Islamic World Acad Sci. 1992; 5(1): 4-7

Corresponding Author: S. M. Farid, South Africa


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