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Journal of Radiation and Nuclear Applications
An International Journal
               
 
 
 
 
 
 
 
 
 
 
 

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Volumes > Vol. 5 > No. 1

 
   

Radiation Dose Level of Natural Radionuclide in Plantain Leaves around a Gold Mining Environment in South West Nigeria

PP: 47-53
doi:10.18576/jrna/050107
Author(s)
Makinde O. W, Oluyemi E. A, Adesiyan A. T, Ogundele K. T, Gbenu S. T, Fadodun O. G,
Abstract
With a view to determining the radiological hazard levels in plantain leave in the mining area, samples were analyzed for radionuclide concentration using Gamma ray spectrometry. Leave samples were collected covering both the dry and wet season of 2017 from mining locations of Atakumosa-west Local Government while control samples were taken from Tonkere village in Ife North-Central Local Government, both in Osun State, south western Nigeria. Results of the activity concentrations of 40K, 232Th and 238U in the leave samples showed generally higher values in the wet season than in the dry season in all the mining locations. The evaluated absorbed dose rate (ADR), annual effective dose equivalent (AEDE), annual gonnadial dose equivalent (AGDE) as well as excess lifetime cancer risk (ELCR) for the plantain leaves were all higher than the recommended limits of 30-70 nGy/h, 0.48 mSv/y, 70 uSv/y and 0.29 x 10-3 respectively.

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