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Updated: Nov 26, 2025

Measuring Carbon-based Contaminant Mineralization Using Combined CO2 Flux and Radiocarbon Analyses
Published on: October 21, 2016
MEASUREMENT OF RADON ACTIVITY CONCENTRATION IN UNDERGROUND WATER OF BURETI SUB-COUNTY OF KERICHO COUNTY KENYA
Charles K Rotich1, Nadir O Hashim1, Margaret W Chege1
1Department of Physics, Kenyatta University, PO Box 43844-00100, Nairobi, Kenya.
Abstract:
The activity concentration of radon in underground water of Bureti sub-county was measured using liquid scintillating counter device. The average radon activity concentration in all the water samples was 12.41聽Bql-1. The maximum and minimum activity concentrations of radon were 22.5 and 4.57聽Bql-1, respectively. In total, 53% of the total samples analysed had radon concentration levels above the US Environmental Protection Agency-recommended limit of 11.1聽Bql-1. The annual dose received by an individual as a result of waterborne radon was determined according to the United Nations Scientific Committee on the Effect of Atomic Radiation reports and was found to be 33.23聽饾渿Svy-1. All the samples recorded a value <100聽饾渿Svy-1 recommended by the World Health Organization and the European Union council.
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