Natural Radioactivity in Soil and Water from Likuyu Village in the Neighborhood of Mkuju Uranium Deposit

Table 4

The average activity concentration of radionuclides in the collected water samples (Bq/L ± SEM).

Water samples	Mean radioactivity concentration
	^238U	^232Th	^40K
Mkuju River (W1)	2.5 ± 0.4	1.9 ± 0.2	11.0 ± 2.0
Kilowelo River (W2)	2.2 ± 0.3	1.8 ± 0.1	9.2 ± 1.2
Control sample	2.1 ± 0.3	1.7 ± 0.2	2.0 ± 0.8