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UU Egereonu, J. C. Ike
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- Professor, Lecturer Federal University of Technology, Federal University of Technology Owerri, Owerri Nigeria, Nigeria
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Abstract
nThree hundred and fifty (350) rainwater samples were collected from 35 select locations within Owerri Metropolis, Ehime Mbano and Mbaitoli LGAs and analyzed for Cd, Cu, Fe, Zn, and Pb using standard instrumental methods. The results were compared with the World Health Organization (WHO), National Ambient Air Quality Standards (NAAQS), Federal Environmental Protection Agency (FEPA) and National Agency for Food and Drug Administration and Control (NAFDAC) Standards for drinking water quality and modelled using GIS and MATLAB. The investigation indicated that the mean values of Cd, Zn, Fe and Pb are peak in dry seasons while average concentration of Cu is higher levels during the rainy seasons. Analysis of Variance (ANOVA) and the Multi-Comparative plots showed that all the heavy metals were affected by seasonal change and except for Cd and Pb are above the WHO, NAAQS, EPA and NAFDAC Standards. GIS (IDW) pollution model showed that hot spot locations appeared more for Cd, Zn, Fe and Pb in the dry seasons while the average concentration of Cu showed higher levels during the rainy seasons and were present in the atmosphere all through the year. The metropolis was more affected due to anthropogenic activities.
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Keywords: Heavy metals. GIS. MATLAB. ANN. Owerri Metropolis.
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Journal of Materials & Metallurgical Engineering
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| Volume | 14 | |
| [if 424 equals=”Regular Issue”]Issue[/if 424][if 424 equals=”Special Issue”]Special Issue[/if 424] [if 424 equals=”Conference”][/if 424] | 01 | |
| Received | February 1, 2024 | |
| Accepted | May 4, 2024 | |
| Published | May 20, 2024 |
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