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Studies on Persistent Organic Pollutants in the Lagos Lagoon ii: Evaluation and Spatial Distribution of Polycyclic Aromatic Hydrocarbons in Sediments of the Lagoon

Received: 6 January 2017     Accepted: 24 January 2017     Published: 28 March 2017
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Abstract

PAHs in the Lagos lagoon are high enough to raise concern over possible adverse effects on aquatic organisms and human health. Their spatial distribution in the sediment was largely dependent on the proximity of the sediment deposition site to known sources of pollution. Due to their tendency to accumulate in sediments at the bottom of the food chain, PAHs in the lagoon could pose a toxicological threat to benthic organisms and their predators. In this study, the PAH levels in the sediments of the lagoon at twelve locations were evaluated. This work is a follow-up on an earlier paper showing the levels of PAHs in the water samples of the lagoon. All sixteen EPA priority PAHs were found in eight of the locations. Significant amounts of most of the PAHs were found in all the sediments throughout the year. The higher PAHs were more abundant and distributed across the lagoon. Bioavailability assessment revealed that the PAHs were not bioavailable. Adjusted Equilibrium Sediment Benchmark Toxic Units ΣESBTU revealed that the lagoon sediments at all the locations were not toxic to aquatic life.

Published in International Journal of Environmental Monitoring and Analysis (Volume 5, Issue 2)
DOI 10.11648/j.ijema.20170502.16
Page(s) 56-63
Creative Commons

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), 2017. Published by Science Publishing Group

Keywords

Lagos Lagoon, Sediment, Polycyclic Aromatic Hydrocarbons, ESBTUs

References
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Cite This Article
  • APA Style

    Alani Rose, Drouillard Ken, Olayinka Kehinde, Alo Babajide. (2017). Studies on Persistent Organic Pollutants in the Lagos Lagoon ii: Evaluation and Spatial Distribution of Polycyclic Aromatic Hydrocarbons in Sediments of the Lagoon. International Journal of Environmental Monitoring and Analysis, 5(2), 56-63. https://doi.org/10.11648/j.ijema.20170502.16

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    ACS Style

    Alani Rose; Drouillard Ken; Olayinka Kehinde; Alo Babajide. Studies on Persistent Organic Pollutants in the Lagos Lagoon ii: Evaluation and Spatial Distribution of Polycyclic Aromatic Hydrocarbons in Sediments of the Lagoon. Int. J. Environ. Monit. Anal. 2017, 5(2), 56-63. doi: 10.11648/j.ijema.20170502.16

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    AMA Style

    Alani Rose, Drouillard Ken, Olayinka Kehinde, Alo Babajide. Studies on Persistent Organic Pollutants in the Lagos Lagoon ii: Evaluation and Spatial Distribution of Polycyclic Aromatic Hydrocarbons in Sediments of the Lagoon. Int J Environ Monit Anal. 2017;5(2):56-63. doi: 10.11648/j.ijema.20170502.16

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  • @article{10.11648/j.ijema.20170502.16,
      author = {Alani Rose and Drouillard Ken and Olayinka Kehinde and Alo Babajide},
      title = {Studies on Persistent Organic Pollutants in the Lagos Lagoon ii: Evaluation and Spatial Distribution of Polycyclic Aromatic Hydrocarbons in Sediments of the Lagoon},
      journal = {International Journal of Environmental Monitoring and Analysis},
      volume = {5},
      number = {2},
      pages = {56-63},
      doi = {10.11648/j.ijema.20170502.16},
      url = {https://doi.org/10.11648/j.ijema.20170502.16},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijema.20170502.16},
      abstract = {PAHs in the Lagos lagoon are high enough to raise concern over possible adverse effects on aquatic organisms and human health. Their spatial distribution in the sediment was largely dependent on the proximity of the sediment deposition site to known sources of pollution. Due to their tendency to accumulate in sediments at the bottom of the food chain, PAHs in the lagoon could pose a toxicological threat to benthic organisms and their predators. In this study, the PAH levels in the sediments of the lagoon at twelve locations were evaluated. This work is a follow-up on an earlier paper showing the levels of PAHs in the water samples of the lagoon. All sixteen EPA priority PAHs were found in eight of the locations. Significant amounts of most of the PAHs were found in all the sediments throughout the year. The higher PAHs were more abundant and distributed across the lagoon. Bioavailability assessment revealed that the PAHs were not bioavailable. Adjusted Equilibrium Sediment Benchmark Toxic Units ΣESBTU revealed that the lagoon sediments at all the locations were not toxic to aquatic life.},
     year = {2017}
    }
    

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    T1  - Studies on Persistent Organic Pollutants in the Lagos Lagoon ii: Evaluation and Spatial Distribution of Polycyclic Aromatic Hydrocarbons in Sediments of the Lagoon
    AU  - Alani Rose
    AU  - Drouillard Ken
    AU  - Olayinka Kehinde
    AU  - Alo Babajide
    Y1  - 2017/03/28
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    N1  - https://doi.org/10.11648/j.ijema.20170502.16
    DO  - 10.11648/j.ijema.20170502.16
    T2  - International Journal of Environmental Monitoring and Analysis
    JF  - International Journal of Environmental Monitoring and Analysis
    JO  - International Journal of Environmental Monitoring and Analysis
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    EP  - 63
    PB  - Science Publishing Group
    SN  - 2328-7667
    UR  - https://doi.org/10.11648/j.ijema.20170502.16
    AB  - PAHs in the Lagos lagoon are high enough to raise concern over possible adverse effects on aquatic organisms and human health. Their spatial distribution in the sediment was largely dependent on the proximity of the sediment deposition site to known sources of pollution. Due to their tendency to accumulate in sediments at the bottom of the food chain, PAHs in the lagoon could pose a toxicological threat to benthic organisms and their predators. In this study, the PAH levels in the sediments of the lagoon at twelve locations were evaluated. This work is a follow-up on an earlier paper showing the levels of PAHs in the water samples of the lagoon. All sixteen EPA priority PAHs were found in eight of the locations. Significant amounts of most of the PAHs were found in all the sediments throughout the year. The higher PAHs were more abundant and distributed across the lagoon. Bioavailability assessment revealed that the PAHs were not bioavailable. Adjusted Equilibrium Sediment Benchmark Toxic Units ΣESBTU revealed that the lagoon sediments at all the locations were not toxic to aquatic life.
    VL  - 5
    IS  - 2
    ER  - 

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Author Information
  • Chemistry Department, University of Lagos, Nigeria

  • Great Lakes Institute for Environmental Research (GLIER), University of Windsor, Wndsor, Ontario, Canada

  • Chemistry Department, University of Lagos, Nigeria

  • Chemistry Department, University of Lagos, Nigeria

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