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

Figure 3

Comparison of the distribution of (a) ²³⁸U, (b) ²³²Th, and (c) ⁴⁰K radionuclides for sand samples collected at a depth of 0 m and 0.3 m and those collected at a depth ranging from 0.3 m to 0.5 m.

(a)

(b)

(c)