Statistical assessment of radiation exposure risks of farmers in Odo Oba, Southwestern Nigeria

Yıl 2019, Cilt: 159 Sayı: 159, 201 - 217, 15.08.2019

Theophilus Aanuoluwa Adagunodo Lukman Ayobami Sunmonu Moruffdeen Adedapo Adabanija Maxwell Omeje Oluwole Akinwumi Odetunmibi Victor Ijeh

https://doi.org/10.19111/bulletinofmre.495321

Cited By: 4

Öz

The toxicity risks of being over
exposed to ionizing radiation in the environments are of great concern to
environmental and health scientists. The distribution of radioactivity
concentrations of thorium, uranium and potassium were studied in randomly
selected soil samples from ten (10) farm locations in Odo Oba, southwestern
Nigeria in order to determine the radiological risks of farmers’ exposure to
radionuclides. The mean estimation of thorium and potassium are greater than
the global average by factors of 1,5 and 2,7, while that of uranium fall below
the global average. The estimation of radioactivity ratios showed a depletion
of uranium and enrichment of thorium in the study area. Further analysis on the
radioelements (that is, thorium, uranium and potassium) showed that 83% of the
estimated radiological risks are above the global average. The multivariate
analyses involving Pearson’s correlation, Factor Analysis, Hierarchical Cluster
Analysis were also used to explain the correlations among the data sets. It was
affirmed from the multivariate analysis that the radiological hazards occur as
a result of contributions from the three naturally occurring radionuclides. The
values obtained in this study revealed that the sampled locations are
contaminated zones for farmers.

 

Anahtar Kelimeler

Radiation exposure, Farmers’ exposure risks, Inductively coupled plasma mass spectrometry, Radiological risks, Statistical assessment

Teşekkür

The handling Editor of this article and the reviewers are highly appreciated for their contributions.

Kaynakça

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