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Nsima Amos Akpan

Publications (9)

Health Risk Reduction of Organochlorine Pesticides (OCPs) Via Source Contamination Identification and Control in Water, Sediment and Fish in Ikot Ekpene River, Nigeria

Nsima Amos Akpan, Rosemary Boniface Udombeh, Jonathan Okokon Ekanem, Mfon Bassey Ukpong & Asuama Ignatius Ntukuyo · Asian Journal of Geological Research · 2026

The objective of the study was to determine the levels of organochlorine pesticides (OCPs) in the water, sediment and fish samples in Ikot Ekpene River, identify their sources of contamination and control for health risk reduction. Water, sediment and fish samples were collected...

Open access Research Article 10.9734/ajoger/2026/v9i1226

Health Risk Evaluation of Heavy Metals via Dermal Contact (Swimming) in Qua Iboe River, Nigeria

Nsima Amos Akpan, Rosemary Boniface Udombeh, Mfon Bassey Ukpong & Edemidiong Effremfon Bassey · Asian Journal of Geographical Research · 2025

This research was carried out to assess human health risk through dermal exposures to heavy metals (Cadmium, Chromium, Copper, Nickel, Vanadium, Lead and Zinc) in Qua Iboe River, Nigeria. Water samples were collected from five sampling stations in wet and dry seasons for the anal...

Open access Research Article 10.9734/ajgr/2025/v8i4324

Human Health Risk Assessment of Organochlorine Pesticides in Commercial Fish from Qua Iboe River, Nigeria

Nsima Amos Akpan, Rosemary Boniface Udombeh & Mfon Bassey Ukpong · Chemical Science International Journal · 2025

Organochlorine pesticides (OCPs) is a class of persistent organic pollutants in an environment that attracts global concern due to their persistency in the environment, chemical stability, long range of transport and tendency to bioaccumulate in plants, animals and humans. Their...

Open access Research Article 10.9734/CSJI/2025/v34i2959

Assessment of Seasonal Variations of Some Heavy Metals between Water and Sediment in Qua Iboe River, Oruk Anam, Nigeria

Nsima Amos Akpan, Rosemary Boniface Udombeh & Mfon Bassey Ukpong · Journal of Materials Science Research and Reviews · 2025

Environment which man lives requires sustainability for life continuity. This is because human activities release enormous amounts of diverse contaminants into aquatic ecosystem are continually increasing. It is worthy of note of some relationship between concentrations of contam...

Open access Research Article 10.9734/jmsrr/2025/v8i1384

Comparison of Investigated Levels of Physicochemical Parameters in Qua Iboe River, Oruk Anam, Nigeria with Portable Water Standards

Nsima Amos Akpan, Rosemary Boniface Udombeh & Ekaete Jacob Abai · Asian Journal of Chemical Sciences · 2024

This research was carried out for comparision of status of physicochemical parameters in Qua Iboe River, Oruk Anam, Nigeria with portable water standards. Water samples were collected from five sampling locations in the study area for analysis of the physicochemical parameters in...

Open access Research Article 10.9734/ajocs/2024/v14i3309

Trace Metals Correlation Trends between Water – Fish and Sediment - Fish in Qua Iboe River, Oruk Anam, Nigeria

Nsima Amos Akpan, Rosemary Boniface Udombeh & Daniel Sunday Udiong · Journal of Materials Science Research and Reviews · 2024

Environment and its components is an aspect in environmental management that attracts greater  attention of researches as it relates to human life. Components of environment refer to the biotic and the abiotic components including their kinds, levels, interactions among them lead...

Open access Research Article

Human Health Risk Assessment of Some Trace Metals through Fish Consumption from Qua Iboe River, Oruk Anam, Nigeria

Nsima Amos Akpan · Asian Journal of Environment & Ecology · 2024

Food consumption is an important route of human exposure to organic chemicals. To assess the health risks associated with these chemicals due to fish consumption, the levels of trace metals (Cd, Cr, Ni, Cu, V, Pb and Sn) in water and fish from Qua Iboe River were assessed using a...

Open access Research Article 10.9734/ajee/2024/v23i5544

Impact Assessment of Anthropogenic Activities on Heavy Metals in Water and Sediment in Eniong River, Nigeria

Rosemary Boniface Udombeh & Nsima Amos Akpan · International Research Journal of Pure and Applied Chemistry · 2025

This research was carried out to assess the impacts of anthropogenic activities on heavy metal concentrations in water and sediments in Eniong River, Nigeria. The study was carried out for a period of twelve months, covering both the wet and dry seasons. Water and sediment sample...

Open access Research Article 10.9734/irjpac/2025/v26i6963

Human Health Risk Assessment of Polychlorinated Biphenyls (PCBs) in Fish from Eniong River, Nigeria

Rosemary Boniface Udombeh, Nsima Amos Akpan & Emmanuel Isaac Uwah · Asian Journal of Environment & Ecology · 2025

Eniong River is an important source of seafood at commercial levels. Riverine communities also depend on it for other domestic uses. Potential human activities in the study area include boating, fishing, sand mining, and transportation, among others. These PCB-induced activities...

Open access Research Article 10.9734/ajee/2025/v24i10803