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Assessment of Levels of Natural Radioactivity in Sand Samples Collected from Ekalakala in Machakos County, Kenya

Munyao, Lucia Nyiva; Ketui, Daniel Kipngetich; Otieno, Calford; Chege, Margaret Wairimu (Hindawi, 2020)

Construction sand is naturally polluted with radionuclides of terrestrial origin. In this study, specific activities of 238U, 232+, and 40K in 30 sand samples collected along the Ekalakala River, Machakos County, Kenya, ...

Measurement of Radon Activity Concentration in Underground Water of Bureti Sub-County of Kericho County Kenya

Rotich, Charles K; Hashim, Nadir O; Chege, Margaret W; Nyambura, Catherine (Oxford Academic, 2020)

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 Bql−1. The ...