Environmental and Health Impacts: Presence of Radionuclides and Toxic Metals in Mining Areas in Niger State, Nigeria

The distribution of radionuclides and heavy metals (carcinogenic non-carcinogenic) in soil plants grown lead contaminated areas were determined using gamma spectrometry AAS (Atomic Absorption Spectrometry). values Dout (outdoor dose rate) Din (indoor found to vary from 49.10 96.59 nGy h-1 with a mean value 73.75 97.30 191.67 143.39 for Kawo; 51.64 105.26 75.36 104.43 205. 87 157.13 Magiro. weighted concentrations Pb, Cu, Fe, Cr, Cd Ni mg kg-1 crop (2.20,2.29), (3.14, 0.16), (15.10, 19.33), (0.16, 0.25), (0.24, 0.05), (0.43, 0.06) (3.00, 3.18), (6.09, 0.34), (16.83, 10.10), (0.22,0.36), (0.25, Kawo Magiro respectively. total incremental lifetime cancer risk ΣILCR both adults (0.73 x 10-2) children (1.03 above tolerable acceptable (given as 1 10-6 10-4). Therefore, the need remedial action proper monitoring.