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Scirj Volume VI, Issue XI, November 2018 Edition ISSN: 2201-2796 
ASSESSMENT OF THE LEVEL OF ANTHROPOGENIC CONTRIBUTIONS TO HEAVY METAL POLLUTION ON SOME ABANDONED WASTE-DUMP SITES IN THE YENAGOA METROPOLIS IN BAYELSA STATE
Lewis Igo, Erepamowei Young, Timi Tarawou Abstract: Industrial revolution has caused a great increase in the heavy metal pollution of soils with no exception of soils at waste dump sites. However, anthropogenic sources are not the only sources of heavy metal pollution, hence this research work was aimed at assessing the anthropogenic contributions to metal pollution on some abandoned waste dump sites in the Yenagoa metropolis in Bayelsa State. Soils samples were collected from sites and analyzed using flame atomic absorption spectrometer. Pollution indices were calculated from the analytical results. Concentrations ranged (0.044 mg/kg – 2.048 mg/kg, except Fe), contamination factor (0.274 – 4.604), pollution load index (1.06 – 1.741), ecological risk index (71.61 – 167.67), ecological risk coefficient (0.72 – 138.12), geo-accumulation (- 0.057 – 1.181), Nemerow multi-factor (0.34 – 3.65), pollution contamination indices (0.35 – 3.87), modified degree of contamination indices (1.11 – 2.41), contamination degree indices (7.40 – 14.50), enrichment factor (0.497 – 7.435). Generally, these values indicate that the abandoned waste dump sites are only minimally polluted and may not adversely affect farming activities. The results are also consistent with the low level of industrialization of Bayelsa State. Reference this Paper: ASSESSMENT OF THE LEVEL OF ANTHROPOGENIC CONTRIBUTIONS TO HEAVY METAL POLLUTION ON SOME ABANDONED WASTE-DUMP SITES IN THE YENAGOA METROPOLIS IN BAYELSA STATE by Lewis Igo, Erepamowei Young, Timi Tarawou published at: "Scientific Research Journal (Scirj), Volume VI, Issue XI, November 2018 Edition, Page 1-19 ". Search Terms: Abandoned, heavy metal, pollution, index, waste [Read Research Paper] [Full Screen] |
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