Browsing by Author "Shakirat O. Mustapha, Jimoh Ajadi, and Bernard B. Mayaki"

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    Assessment of heavy metals concentrations in soils of Shakaya Estate dumpsite, Ilorin, Southwestern Nigeria
    (Nigerian Mining and Geosciences Society (NMGS), 2022) Shakirat O. Mustapha, Jimoh Ajadi, and Bernard B. Mayaki
    Indiscriminate dumping of domestic wastes has been known to adversely affect the environment and ultimately the health of humans thus leading to the study of various dumpsites in Nigeria. This study was aimed at assessing the concentration of some heavy metals within the Shagaya Estate dumpsite, Ilorin, Southwestern Nigeria to determine their level of contamination and/or pollution. Twenty representative soil samples were obtained from the dumpsite at about 20cm depth, air dried, pulverized, sieved to <63µm and analyzed for concentrations of Cadmium (Cd), Lead (Pb), Mercury (Hg), Arsenic (As), Selenium (Se) using Atomic Absorption Spectrometry (AAS). The results from the analysis were compared with average crustal value to determine level of enrichment; Geo-accummulation factor (Igeo) and Contamination Factor were calculated to determine their contamination level while Pollution Index (PI) was done to understand the pollution level of these heavy metals within the study area. Concentration ranges for selected heavy metals were; Pb (14.6-77ppm), As (0.46-1.38ppm), Cd (0.04-0.13ppm), Hg (0.04-0.13ppm) and Se (0.06-0.13ppm) which revealed the concentration of heavy metals in the order of Pb