Okpoji, Awajiiroijana U.

Hydrochemical Characterisation and Health-risk Assessment of Drinking Water Sources in Brass Island, Bayelsa State, Nigeria

Ekesiobi Sandra U., Ekpe, John E., Okpoji, Awajiiroijana U., Hassan Dasuki H., Ekwere Ifiok O., Awortu Raymond C., Etesin Monday U., Nwofia Ugochukwu., Okeke Chioma F. & Nwankwo Austin O. · Asian Journal of Chemical Sciences · 2025

This study evaluates the hydrochemical characteristics and trace-metal contamination of drinking-water sources in Brass Island, Bayelsa State, Nigeria, and assesses their potential health implications. Twelve water samples were collected from boreholes, hand-dug wells, and surfac...

Open access Research Article 10.9734/ajocs/2025/v15i6406

Geochemical and Ecological Risk Assessment of Petroleum Hydrocarbons in Sediments of Forcados River, Delta State

Umueni, Uchenna E., Etukudo, Nsikan J., Okoye, Peter I., Okpoji, Awajiiroijana U., Eze Victor C., Aningo Gloria N., Ekwere, Ifiok O. & Garuba Muhammed H. · Asian Journal of Geographical Research · 2025

Petroleum hydrocarbon contamination remains a significant environmental issue in the Niger Delta due to intense oil exploration, transportation, and artisanal refining. This study examined the geochemical features and ecological risks associated with petroleum hydrocarbons in sed...

Open access Research Article 10.9734/ajgr/2025/v8i4337