Chetty, Naven.Adeleye, Oluwabamise.Ilori, Abiola Olawale.2022-07-132022-07-1320202020https://researchspace.ukzn.ac.za/handle/10413/20632Doctoral Degree. University of KwaZulu-Natal, Pietermaritzburg.enOil-producing areas--South Africa.Soil--Radioactivity.Crops--Radioactivity.River sediments--Radioactivity.Aquatic species--Radioactivity.Natural radioactivity level in soil, crops, river sediments, and selected aquatic species in South Africa’s oil-producing areas.Thesis