Locations

Activity Concentration (Bq/kg)

Reference

U-238

Th-232

K-40

River Benue, Makurdi

1.17

3.31

405.94

Present study

Osun River, Nigeria

24.00

35.70

162.38

Oyebanjo et al., 2012

Charfassion Island, Bhola Banglandesh

16.82

32.84

743.52

Nizam et al., 2013

Coastline of Erongo Region Namibia

173

37.77

441.78

Onjefu et al., 2016