Gamma Ray Spectrometric Analysis of Sand Samples from Selected Beaches along Kenyan Coastline

Table 5

Comparison of the average activity concentrations of²³²Th,²³⁸U, and⁴⁰K in sands on selected Kenyan coastline beaches and other regions around the world.

Beach	Country	Raeq (Bq/kg)	Hin	Hex	Etotal (mSv/y)	References
Kenyan coast	Kenya	327	0.98	0.72	0.86	Present study
Lake Victoria shoreline	Kenya	367	1.17	0.99		Okelo et al., 2015
Tripoli	Libya	—	—	—	0.0054	El-Kameesy., 2008
Oniru Beach	Nigeria	179.1			0.1
Nile delta (Rosetta beach)	Egypt	404.8		1.1		Mubarak et al., 2017
Al-arish	Egypt	229	—	—	0.14	Seddeek et al., 2004
Tamil Nadu	India	673.92	1.82	1.37	1.531	Suresh et al., 2014
Sithonia Peninsula	Greece				0.013 to 0.688	Papadopoulos et al., 2014