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Contamination Assessment of Potentially Toxic Metals in Road-Side Surface Soils Along Iwo-Ibadan Expressway, Nigeria

Received: 3 December 2019    Accepted: 25 December 2019    Published: 6 January 2020
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Abstract

This study was carried out to assess the contamination levels of road-side surface soils by potentially toxic metals due to their persistence and bioaccumulative nature in the ecosystem. Surface soils were sampled at various equidistance points along Iwo-Ibadan expressway, Nigeria and were then digested and analyzed for elemental concentrations using Atomic Absorption Spectrophotometer. Zn (72.91 mg/kg) had the highest mean concentration followed by Pb (54.66 mg/kg), Mn (31.32 mg/kg), Fe (12.16 mg/kg), Cd (11.92 mg/kg) and Cu (4.06 mg/kg). Variation in the elemental levels across the sampling points was a reflection of the variation in traffic density. The results of the contamination factor and geoaccumulation index indicated varying degrees of contamination. The modified degree of contamination and the pollution load index suggested that the road-side surface soils are contaminated with the metals. Cluster analysis indicated that the metals are associated with car components and vehicular emissions. It is therefore recommended that strict regulations be put in place against the use of leaded gasoline as vehicular fuels. Adequate and frequent monitoring of highway contamination by metals as a result of their bioaccumulative tendencies is also suggested.

Published in Colloid and Surface Science (Volume 5, Issue 1)
DOI 10.11648/j.css.20200501.11
Page(s) 1-5
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Contamination; Road-side, Soil, Toxic Metal, Vehicular Emission

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    Emmanuel Adewuni Akintunde, Odunayo Timothy Ore, Solomon Sunday Durodola, Jolaade Eunice Sharaibi, Oluwaseun Blessing Adegbite. (2020). Contamination Assessment of Potentially Toxic Metals in Road-Side Surface Soils Along Iwo-Ibadan Expressway, Nigeria. Colloid and Surface Science, 5(1), 1-5. https://doi.org/10.11648/j.css.20200501.11

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    ACS Style

    Emmanuel Adewuni Akintunde; Odunayo Timothy Ore; Solomon Sunday Durodola; Jolaade Eunice Sharaibi; Oluwaseun Blessing Adegbite. Contamination Assessment of Potentially Toxic Metals in Road-Side Surface Soils Along Iwo-Ibadan Expressway, Nigeria. Colloid Surf. Sci. 2020, 5(1), 1-5. doi: 10.11648/j.css.20200501.11

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    AMA Style

    Emmanuel Adewuni Akintunde, Odunayo Timothy Ore, Solomon Sunday Durodola, Jolaade Eunice Sharaibi, Oluwaseun Blessing Adegbite. Contamination Assessment of Potentially Toxic Metals in Road-Side Surface Soils Along Iwo-Ibadan Expressway, Nigeria. Colloid Surf Sci. 2020;5(1):1-5. doi: 10.11648/j.css.20200501.11

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  • @article{10.11648/j.css.20200501.11,
      author = {Emmanuel Adewuni Akintunde and Odunayo Timothy Ore and Solomon Sunday Durodola and Jolaade Eunice Sharaibi and Oluwaseun Blessing Adegbite},
      title = {Contamination Assessment of Potentially Toxic Metals in Road-Side Surface Soils Along Iwo-Ibadan Expressway, Nigeria},
      journal = {Colloid and Surface Science},
      volume = {5},
      number = {1},
      pages = {1-5},
      doi = {10.11648/j.css.20200501.11},
      url = {https://doi.org/10.11648/j.css.20200501.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.css.20200501.11},
      abstract = {This study was carried out to assess the contamination levels of road-side surface soils by potentially toxic metals due to their persistence and bioaccumulative nature in the ecosystem. Surface soils were sampled at various equidistance points along Iwo-Ibadan expressway, Nigeria and were then digested and analyzed for elemental concentrations using Atomic Absorption Spectrophotometer. Zn (72.91 mg/kg) had the highest mean concentration followed by Pb (54.66 mg/kg), Mn (31.32 mg/kg), Fe (12.16 mg/kg), Cd (11.92 mg/kg) and Cu (4.06 mg/kg). Variation in the elemental levels across the sampling points was a reflection of the variation in traffic density. The results of the contamination factor and geoaccumulation index indicated varying degrees of contamination. The modified degree of contamination and the pollution load index suggested that the road-side surface soils are contaminated with the metals. Cluster analysis indicated that the metals are associated with car components and vehicular emissions. It is therefore recommended that strict regulations be put in place against the use of leaded gasoline as vehicular fuels. Adequate and frequent monitoring of highway contamination by metals as a result of their bioaccumulative tendencies is also suggested.},
     year = {2020}
    }
    

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  • TY  - JOUR
    T1  - Contamination Assessment of Potentially Toxic Metals in Road-Side Surface Soils Along Iwo-Ibadan Expressway, Nigeria
    AU  - Emmanuel Adewuni Akintunde
    AU  - Odunayo Timothy Ore
    AU  - Solomon Sunday Durodola
    AU  - Jolaade Eunice Sharaibi
    AU  - Oluwaseun Blessing Adegbite
    Y1  - 2020/01/06
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    N1  - https://doi.org/10.11648/j.css.20200501.11
    DO  - 10.11648/j.css.20200501.11
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    JF  - Colloid and Surface Science
    JO  - Colloid and Surface Science
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    EP  - 5
    PB  - Science Publishing Group
    SN  - 2578-9236
    UR  - https://doi.org/10.11648/j.css.20200501.11
    AB  - This study was carried out to assess the contamination levels of road-side surface soils by potentially toxic metals due to their persistence and bioaccumulative nature in the ecosystem. Surface soils were sampled at various equidistance points along Iwo-Ibadan expressway, Nigeria and were then digested and analyzed for elemental concentrations using Atomic Absorption Spectrophotometer. Zn (72.91 mg/kg) had the highest mean concentration followed by Pb (54.66 mg/kg), Mn (31.32 mg/kg), Fe (12.16 mg/kg), Cd (11.92 mg/kg) and Cu (4.06 mg/kg). Variation in the elemental levels across the sampling points was a reflection of the variation in traffic density. The results of the contamination factor and geoaccumulation index indicated varying degrees of contamination. The modified degree of contamination and the pollution load index suggested that the road-side surface soils are contaminated with the metals. Cluster analysis indicated that the metals are associated with car components and vehicular emissions. It is therefore recommended that strict regulations be put in place against the use of leaded gasoline as vehicular fuels. Adequate and frequent monitoring of highway contamination by metals as a result of their bioaccumulative tendencies is also suggested.
    VL  - 5
    IS  - 1
    ER  - 

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Author Information
  • Department of Chemistry and Industrial Chemistry, Bowen University, Iwo, Nigeria

  • Department of Chemistry, Obafemi Awolowo University, Ile-Ife, Nigeria

  • Department of Chemistry, Obafemi Awolowo University, Ile-Ife, Nigeria

  • Department of Chemistry, Obafemi Awolowo University, Ile-Ife, Nigeria

  • Department of Chemistry, Obafemi Awolowo University, Ile-Ife, Nigeria

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