The overwhelming rate of environmental degradation activated by the cruel mining operation associated with the unguided and incessant activities of artisans instigates this study. This study aimed at assessing the extents of trace metals contamination on soil resulting from the abandoned tin mining operation in Barkin Ladi Local Government Area of Plateau State. The abandoned mine site was delineated, and three samples were taken from the soil with respect to 0-15cm and 16-30cm horizontal depth. The three samples were tested and analyzed for heavy metals concentration such as Pb, Cr, As, Zn, Cd, Cu, and Fe at the Analytical Laboratory of the National Metallurgical Development Agency, Jos Nigeria. The result was subjected to the tolerable standard limit of the Federal Ministry of Environment for metals constituent in soil. Findings from the study reveal that the soil samples in both 0-15cm and 16-30cm depth show concentrations that were far above the limit set by the Federal Ministry of Environment of Nigeria for Pb, Cd, Zn, Cu, Cr, and Ar, with the exception of Fe. The study recommends among others that; to ensure sustainable management of minerals with enforceable regulations in a sector dominated by stray mines, strengthening of current policy using command and control measures built on accountability and polluter pay principles to avert cases of dead trap and soil pollution as well as aesthetic destruction of the landscape is the way forward.
The main purpose of this work was to evaluate the waste management practices at the Federal University of Technology, Owerri (FUTO). The research utilized library, observations and sample survey technique. Other related literatures were also reviewed. Questionnaires based on formulated hypotheses were also employed. Data gathered were analyzed using textual, diagrams (charts and graphs) and tabular forms of data presentation. Percentages and figures were also used to clarify the relationships between variables. Consequently, the findings gotten from the field shows that the kind of domestic solid wastes that is generated in the study area were majorly organic, paper, plastic, metal and textile wastes. About 72% of all the domestic solid wastes that is generated at the eateries in the study area were mainly organic wastes. The domestic solid waste management strategies in place were burning, open dumping and burying. Open dumping was found to be the most common domestic solid waste management strategy practiced in the study area. The key players involved in the management of solid wastes were the school management and individual households. This study shows that the method of waste management adopted in the study area does not conform to sustainable waste management strategy which results in environmental degradation and health risks. This implies that much attention has not been given to domestic solid waste management in the study area. The study therefore suggests that there is need to introduce solid waste management in the coursework of all the departments in the institution so that they could be informed on the need to maintain a clean and healthy environment. And more attention should be given to waste disposal management through adequate funding by providing the students and residents with properly designed waste disposal points in order to protect the environment from pollution.
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