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Research Journal of Environmental Toxicology
  Year: 2020 | Volume: 14 | Issue: 1 | Page No.: 16-25
DOI: 10.3923/rjet.2020.16.25
 
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Heavy Metal Concentrations in Leachates and Crops Grown Around Waste Dumpsites in Sekondi-Takoradi in the Western Region of Ghana

Robert Agbemafle , Samira Elsie Aggor-Woananu, Olivia Akutey and John Kwesi Bentum

Abstract:
Background and Objective: Accumulation of heavy metals in waste dumpsites affects soils and release concentrated leachate to the environment which further enters the food chain. Heavy metals accumulation results in serious health and environmental problems because of poisonous effects of these metals on plants and potential health implications to humans and animals consuming such vegetables from these dumpsites. The objective of this study was to assess the concentrations of 5 heavy metals (Cadmium, zinc, lead, chromium and copper) in leachates and crops grown around four selected waste dumpsites in the Sekondi-Takoradi Metropolis of the Western region of Ghana. Materials and Methods: Leachates and crops samples were collected from the selected dumpsites, digested and the heavy metals concentrations were determined by using Atomic Absorption Spectroscopy (AAS). Results: The mean concentrations of the heavy metals in the leachates and the crops grown at the selected dumpsites were found to be high as compared to Food and Agriculture Organization (FAO) and World Health Organization (WHO) permissible limits. Zinc and copper concentrations were higher in leachates from Essipong waste dumpsite. Conclusion: Zinc and copper were the most abundant heavy metals in most of the crops from the selected dumpsites. Heavy metals concentrations in crops must be monitored regularly since the detrimental effects of heavy metal pollution manifest many years after exposure.
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How to cite this article:

Robert Agbemafle, Samira Elsie Aggor-Woananu, Olivia Akutey and John Kwesi Bentum, 2020. Heavy Metal Concentrations in Leachates and Crops Grown Around Waste Dumpsites in Sekondi-Takoradi in the Western Region of Ghana. Research Journal of Environmental Toxicology, 14: 16-25.

DOI: 10.3923/rjet.2020.16.25

URL: https://scialert.net/abstract/?doi=rjet.2020.16.25

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