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Abstract
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Article Information:
Indoor Radon Levels and the Associated Effective Dose Rate Determination at Dome in the Greater Accra Region of Ghana
I. Nsiah-Akoto, J.J. Fletcher, O.C. Oppon and A.B. Andam
Corresponding Author: Irene Nsiah-Akoto
Submitted: 2010 November, 04
Accepted: 2010 November, 26
Published: 2011 March, 05 |
Abstract:
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In this present work, the indoor radon concentration, the annual effective dose rate, the annual dose
equivalent rate to the lung and the populace risk were estimated in sandcrete houses of Dome in Ghana using
time-integrated passive radon detectors. LR-115 Type II Solid State Nuclear Track Detector (SSNTD)
technique was used for the measurements were for a period of 3months. The mean annual effective dose rate
and the mean annual equivalent dose rate to the lung in the studied area were (14.13±0.22) mSv/y and (3.74
E-07 ±3.50 E-06) Sv/y, respectively. The mean indoor radon concentration was (466.9±1.2) Bq/m3. The odds
ratio for the study at 95% confidence interval was 7 (CI 0.92-53.16). The indoor radon concentration has not
only been found to vary considerably with the ventilation condition but also w ith the lifestyle of the people. The
results obtained also give a correlation between indoor radon levels and the associated level of risk.
Key words: Annual effective dose, annual exposure, Ghana, LR-115 type II detector, odds ratio, radon concentration, (solid state nuclear track detector )SSNTD,
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Cite this Reference:
I. Nsiah-Akoto, J.J. Fletcher, O.C. Oppon and A.B. Andam, . Indoor Radon Levels and the Associated Effective Dose Rate Determination at Dome in the Greater Accra Region of Ghana. Research Journal of Environmental and Earth Sciences, (2): 124-130.
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ISSN (Online): 2041-0492
ISSN (Print): 2041-0484 |
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