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Review of Distribution of Natural Radiation in Some Parts of Nigeria

Received: 21 November 2019     Accepted: 4 December 2019     Published: 10 December 2019
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Abstract

Activity concentrations of natural radioactivity of 40K, 238U, 226Ra, and 232Th were reviewed in connection with rock, soil, sediments, and water in the Northern and Southern parts of Nigeria to estimate the radiation dose acquire by the population. The activity concentrations of the various radionuclides from rock samples collected from different locations were generally higher than those of other environmental matrices. Comparative distribution maps of 40K, 238U, and 232Th show the distribution of activity concentration in the Northern and Western part of Nigeria. The activity concentrations 40K, 238U, and 232Th in rock ranges from 40 Bq kg-1 to 1203 Bq kg-1, 34 Bq kg-1 to 7220 Bq kg-1, and 8 Bq kg-1 to 1680 Bq kg-1 respectively. In soil it ranges from 98.7 Bq kg-1 to 1023.3 Bq kg-1, 15.6 Bq kg-1 to 55.3 Bq kg-1, and 5.2 Bq kg-1 to 195.5 Bq kg-1 respectively. In sediment it ranges 97 Bq kg-1 to 1023 Bq kg-1, 12 Bq kg-1 to 47.9 Bq kg-1, and 11.7 Bq kg-1 to 55.3 Bq kg-1. The concentration of 40K and 238U in granite rocks are higher than the recommended permissible value. All the water samples were found to contain acceptable levels of radionuclides with mean activity values of 3.98±0.26, 11.00±2.58, and 17.73±5.04 Bql-1 for 40K, 232Th, and 238U, respectively showing that the mean activity of 238U for all the samples is the highest when compared with those of 40K and 232Th. The mean absorbed dose rate for all the area is 0.123mSvyr-1, which is very low when compared to the recommended limit of 1mSvyr-1 for water.

Published in Nuclear Science (Volume 4, Issue 4)
DOI 10.11648/j.ns.20190404.13
Page(s) 52-59
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), 2019. Published by Science Publishing Group

Keywords

Activity Concentration, Radioactivity, Environmental Matrices

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    Olalekan Ifayefunmi, Vyaceslav Kupriyanov, Oleg Mirzeabasov, Boris Synzynys. (2019). Review of Distribution of Natural Radiation in Some Parts of Nigeria. Nuclear Science, 4(4), 52-59. https://doi.org/10.11648/j.ns.20190404.13

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    Olalekan Ifayefunmi; Vyaceslav Kupriyanov; Oleg Mirzeabasov; Boris Synzynys. Review of Distribution of Natural Radiation in Some Parts of Nigeria. Nucl. Sci. 2019, 4(4), 52-59. doi: 10.11648/j.ns.20190404.13

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    AMA Style

    Olalekan Ifayefunmi, Vyaceslav Kupriyanov, Oleg Mirzeabasov, Boris Synzynys. Review of Distribution of Natural Radiation in Some Parts of Nigeria. Nucl Sci. 2019;4(4):52-59. doi: 10.11648/j.ns.20190404.13

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  • @article{10.11648/j.ns.20190404.13,
      author = {Olalekan Ifayefunmi and Vyaceslav Kupriyanov and Oleg Mirzeabasov and Boris Synzynys},
      title = {Review of Distribution of Natural Radiation in Some Parts of Nigeria},
      journal = {Nuclear Science},
      volume = {4},
      number = {4},
      pages = {52-59},
      doi = {10.11648/j.ns.20190404.13},
      url = {https://doi.org/10.11648/j.ns.20190404.13},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ns.20190404.13},
      abstract = {Activity concentrations of natural radioactivity of 40K, 238U, 226Ra, and 232Th were reviewed in connection with rock, soil, sediments, and water in the Northern and Southern parts of Nigeria to estimate the radiation dose acquire by the population. The activity concentrations of the various radionuclides from rock samples collected from different locations were generally higher than those of other environmental matrices. Comparative distribution maps of 40K, 238U, and 232Th show the distribution of activity concentration in the Northern and Western part of Nigeria. The activity concentrations 40K, 238U, and 232Th in rock ranges from 40 Bq kg-1 to 1203 Bq kg-1, 34 Bq kg-1 to 7220 Bq kg-1, and 8 Bq kg-1 to 1680 Bq kg-1 respectively. In soil it ranges from 98.7 Bq kg-1 to 1023.3 Bq kg-1, 15.6 Bq kg-1 to 55.3 Bq kg-1, and 5.2 Bq kg-1 to 195.5 Bq kg-1 respectively. In sediment it ranges 97 Bq kg-1 to 1023 Bq kg-1, 12 Bq kg-1 to 47.9 Bq kg-1, and 11.7 Bq kg-1 to 55.3 Bq kg-1. The concentration of 40K and 238U in granite rocks are higher than the recommended permissible value. All the water samples were found to contain acceptable levels of radionuclides with mean activity values of 3.98±0.26, 11.00±2.58, and 17.73±5.04 Bql-1 for 40K, 232Th, and 238U, respectively showing that the mean activity of 238U for all the samples is the highest when compared with those of 40K and 232Th. The mean absorbed dose rate for all the area is 0.123mSvyr-1, which is very low when compared to the recommended limit of 1mSvyr-1 for water.},
     year = {2019}
    }
    

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  • TY  - JOUR
    T1  - Review of Distribution of Natural Radiation in Some Parts of Nigeria
    AU  - Olalekan Ifayefunmi
    AU  - Vyaceslav Kupriyanov
    AU  - Oleg Mirzeabasov
    AU  - Boris Synzynys
    Y1  - 2019/12/10
    PY  - 2019
    N1  - https://doi.org/10.11648/j.ns.20190404.13
    DO  - 10.11648/j.ns.20190404.13
    T2  - Nuclear Science
    JF  - Nuclear Science
    JO  - Nuclear Science
    SP  - 52
    EP  - 59
    PB  - Science Publishing Group
    SN  - 2640-4346
    UR  - https://doi.org/10.11648/j.ns.20190404.13
    AB  - Activity concentrations of natural radioactivity of 40K, 238U, 226Ra, and 232Th were reviewed in connection with rock, soil, sediments, and water in the Northern and Southern parts of Nigeria to estimate the radiation dose acquire by the population. The activity concentrations of the various radionuclides from rock samples collected from different locations were generally higher than those of other environmental matrices. Comparative distribution maps of 40K, 238U, and 232Th show the distribution of activity concentration in the Northern and Western part of Nigeria. The activity concentrations 40K, 238U, and 232Th in rock ranges from 40 Bq kg-1 to 1203 Bq kg-1, 34 Bq kg-1 to 7220 Bq kg-1, and 8 Bq kg-1 to 1680 Bq kg-1 respectively. In soil it ranges from 98.7 Bq kg-1 to 1023.3 Bq kg-1, 15.6 Bq kg-1 to 55.3 Bq kg-1, and 5.2 Bq kg-1 to 195.5 Bq kg-1 respectively. In sediment it ranges 97 Bq kg-1 to 1023 Bq kg-1, 12 Bq kg-1 to 47.9 Bq kg-1, and 11.7 Bq kg-1 to 55.3 Bq kg-1. The concentration of 40K and 238U in granite rocks are higher than the recommended permissible value. All the water samples were found to contain acceptable levels of radionuclides with mean activity values of 3.98±0.26, 11.00±2.58, and 17.73±5.04 Bql-1 for 40K, 232Th, and 238U, respectively showing that the mean activity of 238U for all the samples is the highest when compared with those of 40K and 232Th. The mean absorbed dose rate for all the area is 0.123mSvyr-1, which is very low when compared to the recommended limit of 1mSvyr-1 for water.
    VL  - 4
    IS  - 4
    ER  - 

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Author Information
  • Department of Nuclear Physics and Technology, Obninsk Institute for Nuclear Power Engineering of the National Research Nuclear University “Mephi”, Obninsk, Russia

  • Department of Nuclear Physics and Technology, Obninsk Institute for Nuclear Power Engineering of the National Research Nuclear University “Mephi”, Obninsk, Russia

  • Department of Nuclear Physics and Technology, Obninsk Institute for Nuclear Power Engineering of the National Research Nuclear University “Mephi”, Obninsk, Russia

  • Department of Nuclear Physics and Technology, Obninsk Institute for Nuclear Power Engineering of the National Research Nuclear University “Mephi”, Obninsk, Russia

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