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Author

Ishaya Iliyasu

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Open access Sep 2026

Geochemical Fractionation, Mobility and Environmental Risk of Lead, Cadmium and Zinc in Agricultural Soils from an Abandoned Mining Area in Jos-South, Nigeria

The total amount of a potentially toxic element in soil, on its own, provides limited information about its mobility or bioavailability. This paper re-examines the geochemical partitioning, extractability and environmental status of lead (Pb), cadmium (Cd) and zinc (Zn) in agricultural soils surrounding abandoned minin...

Sanda Yusuf Sadau, Ishaya Iliyasu, M. Ndawashi et al. · 0 citations
Open access Sep 2026

Heavy-metal Contamination of Soils and Water in the Apkai and Umusedege Oil-field Communities, Ndokwa East and Ndokwa West, Delta State, Nigeria

Petroleum exploration and production can introduce potentially toxic metals into the soils and water bodies of host communities, with consequences for both ecosystem integrity and human exposure. This study assessed the concentrations and distribution of ten heavy metals: Ni, Cr, Cu, Co, Pb, Cd, Fe, Mn, As and Zn in so...

Sanda Yusuf Sadau, Ishaya Iliyasu, M. Alpha et al. · 0 citations
Open access Sep 2026

Integrated Human Health and Radiological Risk Assessment of Heavy Metals and Naturally Occurring Radionuclides in Soil and Water from Oil

Oil and gas exploration can both introduce and redistribute potentially toxic metals and naturally occurring radioactive material across the soils and water bodies of surrounding communities, opening exposure pathways that reach well beyond the immediate production site. This study evaluated the human-health risk from...

Sanda Yusuf Sadau, Ishaya Iliyasu, Atipo Kolawole M et al. · 0 citations
Open access Sep 2026

Human Health Risk Assessment of Heavy-metal Exposure in Soil and Water from Oil-producing Communities of Delta State, Nigeria: An Audited Reassessment

Heavy-metal contamination in oil-producing environments may create human-health concerns through ingestion, inhalation and dermal exposure. This study reassessed non-carcinogenic and carcinogenic risks associated with Ni, Cr, Cu, Co, Pb, Cd, Fe, Mn, As and Zn in soil and water from the Apkai and Umusedege communities,...

Sanda Yusuf Sadau, N. Rabi'u, N. Garba et al. · 0 citations

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