Abidat Olayemi Fasasi-Aleshinloye, Praise Adenike Alli, Abiodun Sulaiman Raji, Precious Adesope Olaomotito, Oluwatunmise Peter Abolarin, Victor Ojo Thomas & Itunu Deborah Odunewu·Journal of Engineering Research and Reports·2026
This study assessed selected heavy metal concentrations and pollution status in leachate and groundwater around the Oyo State Waste-to-Energy Plant, Ajakanga, Oluyole Local Government Area, Ibadan, Oyo State, Nigeria. Eight sampling points were investigated, comprising three shal...
Open access
Research Article10.9734/jerr/2026/v28i61939
In aquaculture systems, especially earthen ponds supplied by natural water bodies, fish are continuously exposed to fluctuating environmental conditions and potential pollutant inputs from surrounding anthropogenic activities. This study evaluated the bioaccumulation and human he...
Open access
Research Article10.9734/jalsi/2026/v29i3781
Freshwater fish may accumulate heavy metals from contaminated aquatic environments, thereby creating potential health concerns for populations that depend on fish as a dietary protein source. This study assessed selected heavy metals and associated health risks in edible fish sam...
Open access
Research Article10.9734/ajacr/2026/v17i3399
The Hindon River, flowing through Ghaziabad, India, faces severe pollution mainly due to untreated municipal sewage, industrial effluents, and solid waste dumping. This pollution results in increased levels of organic pollutants, heavy metals such as Cd, Pb, and Ni, and pathogeni...
Open access
Research Article10.9734/ajee/2026/v25i7960
Rapid urbanization and industrial expansion in the Dhaka District of Bangladesh have led to significant soil contamination from heavy metals and naturally occurring radionuclides, posing increasing risks to environmental quality and human health. This study synthesizes published...
Open access
Research Article10.9734/ajee/2026/v25i7961
The discharge of untreated industrial effluents into the Logone River poses serious risks to aquatic ecosystems and public health in Moundou, southern Chad. This study assessed the physicochemical quality of the Logone River at two monitoring stations one upstream and one downstr...
Open access
Research Article10.9734/irjpac/2026/v27i31005
Human activities such as petroleum mining within the Niger Delta have intensified contamination of aquatic ecosystems, raising concerns regarding the safety of fish consumed by humans. This study evaluated the concentrations of heavy metals and polycyclic aromatic hydrocarbons (P...
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Research Article10.9734/ajacr/2026/v17i2395
Pterocarpus marsupium Roxb. (Fabaceae), known as "Indian Kino," "Vijayasar," or "Malabar Kino," is a deciduous tree with high medicinal value used for centuries in traditional African, Ayurvedic, and Unani medicine. Pterocarpus marsupium is widely used in traditional medicine for...
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Research Article10.9734/ajacr/2026/v17i2394
Aquatic contamination associated with petroleum exploration, industrial discharge, and urban activities remains a major environmental and public health concern in the Niger Delta region of Nigeria. This study assessed the concentrations of heavy metals and polycyclic aromatic hyd...
Open access
Research Article10.9734/ajee/2026/v25i6954
Spent engine oil (SEO) contamination is a persistent and underregulated source of soil degradation in urban and peri-urban environments, particularly within mechanic workshop settings. This study provides a chronosequence-based assessment of the long-term impacts of SEO on soil p...
Open access
Research Article10.9734/ajee/2026/v25i6951
Aquatic ecosystems are increasingly polluted by heavy metals due to urbanisation, industrialisation, and poor waste management, especially in coastal regions. These metals accumulate in plankton and marine food chains, causing ecological damage and posing serious risks to human h...
Open access
Research Article10.9734/ijecc/2026/v16i65477
Chromated copper arsenate (CCA) is a water-based timber preservative containing heavy metals/metalloid, widely used in Kenya despite health concerns and restrictions in other parts of the world. Several studies have shown that CCA can leach from treated timber and be washed by ra...
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Research Article10.9734/ajacr/2026/v17i2392
The concentrations of Cu, Mn, Cd, Pb, and Zn in superficial sediment samples from the Wadi As-Sir area were analyzed to evaluate pollution levels. A total of seventeen samples were collected between April and July 2019, including nine from Wadi As-Sir, six from Wadi Al-Sheta, and...
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Research Article10.9734/ajoger/2026/v9i2252
Illegal mining in rural communities of the Federal Capital Territory could have significant impact on aquatic ecosystems. Kundu River in Kwali Area Council is situated around rocky areas where intense mining activities are dominant. Kundu community relies on this river for porta...
Open access
Research Article10.9734/ajee/2026/v25i5936
The increasing discharge of sewage and industrial effluents in Ghaziabad (Delhi NCR) into the environment (i.e., water, air, and soil) has led to the accumulation of heavy metals and other toxic pollutants mainly in water, creating selective pressure on aquatic microbial communit...
Open access
Research Article10.9734/ajriz/2026/v9i2278