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    Abstract
2011 (Vol. 3, Issue: 5)
Article Information:

Preliminary Study of Natural Radioactivity in the Lake Bosumtwi Basin

Simon Adu, E.O. Darko, A.R. Awudu, O.K. Adukpo, G. Emi-Reynolds, M. Obeng, F. Otoo, A. Faanu, L.A. Agyeman, C.K. Mensah, F. Hasford, I.D. Ali, B.K. Agyeman and R. Kpordzro
Corresponding Author:  Simon Adu 

Key words:  Borehole water, bosumtwi, effective dose, lake water, radioactivity, ,
Vol. 3 , (5): 463-468
Submitted Accepted Published
2011 January, 10 2011 March, 03 2011 August, 10
Abstract:

The concentrations of 238U, 232Th, and 40K in water from Lake Bosumtwi and bore-holes in selected towns around the Bosumtwi basin of the Ashanti region of Ghana have been determined. The concentrations were determined for water samples from 24 boreholes and 12 points across the lake using a High-Purity Germanium (HPGe) (γ-ray spectrometry. The water samples from the lake were found to contain acceptable levels of radionuclides with mean activity concentrations of 7.9, 89.7 and 0.6 mBq/L for 238U, 40K, and 232Th, respectively. The water samples from the boreholes recorded mean activity concentrations of 7.7, 85.5, and 3.3 mBq/L for 238U, 40K and 232Th, respectively. The annual effective dose calculated for the lake varied from 0.244 to 1.121 μSv with an average of 0.763 μSv and that calculated for the boreholes varied from 0.296 to 2.173 μSv with an average of 1.166 μSv. The radionuclides concentrations in water from the bore-holes and that of the lake, which serve as sources of water supply to the surrounding communities are negligible and pose no radiological hazards to the public.
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  Cite this Reference:
Simon Adu, E.O. Darko, A.R. Awudu, O.K. Adukpo, G. Emi-Reynolds, M. Obeng, F. Otoo, A. Faanu, L.A. Agyeman, C.K. Mensah, F. Hasford, I.D. Ali, B.K. Agyeman and R. Kpordzro, 2011. Preliminary Study of Natural Radioactivity in the Lake Bosumtwi Basin.  Research Journal of Environmental and Earth Sciences, 3(5): 463-468.
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