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

Table 1

The Standard reference values and experimental activity values of the IAEA reference soil 375 (Bq/kg ± SD).

Radionuclides	Energy; (keV)	Experimental activity concentration	Certified reference values
^226Ra	186.5 keV	20.54 ± 0.9	20.0 ± 0.9
^214Pb	295.2	19.46 ± 0.8	19.96 ± 0.8
	351.92	20.61 ± 1.1	19.96 ± 0.5
^214Bi	1764	20.94 ± 0.8	19.96 ± 0.4
	2477.7	22.46 ± 1.2	19.96 ± 0.9
^40K	1460	499.93 ± 2.1	423.40 ± 0.2
^228Ac	338.5	21.58 ± 1.5	20.46 ± 0.3
^208TI	860.4	22.20 ± 1.1	20.46 ± 0.3
	2614.5	22.44 ± 1.7	20.46 ± 0.6
^228Ac	910.7	22.29 ± 0.7	20.46 ± 0.5
	968.5	23.69 ± 0.9	20.46 ± 0.5