An Evaluation of Excess Lifetime Cancer Risk from Indoor and Outdoor Radiation Exposure in Okutukutu Computer Village, Yenagoa, Bayelsa State, Nigeria: A Monte Carlo Simulation Approach

Authors

  • Peter E. Biere
  • Kugbere Emumejaye
  • Tolulope O. Aluko
  • Amarachi G. Nwaobia
  • Itunu C. Okeyode
  • Olalekan A. Mustapha

Keywords:

Radioisotopes, Exposure rates, Indoor, Outdoor, Cancer risk

Abstract

Some of the components of smart phones and computers, like ceramic capacitors may contain small amounts of radioisotopes. In this work, indoor and outdoor radiation exposure rates in Okutukutu “computer village” have been measured using the in-situ method. Ten indoor and ten outdoor readings were taken during working hours using a digital radiation meter. Standard equations and the Monte Carlo approach were used to analyze the data. The results show that mean exposure rates of 0.019 mRh-1 and 0.016 mRh-1 for indoor and outdoor respectively are not significantly high above the 0.013 mRh-1 world average. Approximately 700 and 90 people out of a population of one million (106) are expected to develop cancer as a result of indoor and outdoor exposure, respectively, according to the Monte Carlo simulation's assessment of minimum probable risk (P 5% = best case scenario). However, according to the maximum likely risk assessment results (P 95% = worst-case scenario), the estimated rates of cancer development from indoor and outdoor exposures are 480 and 2090, respectively, in a population of one million (106). Similar to this, the most likely risk calculation (50%) indicates that, out of a population of one million, 1320 and 270 people, respectively, are likely to acquire cancer as a result of indoor and outdoor exposure rates. Therefore, strict and efficient procedures must be implemented to protect both traders and buyers in the environments.

Dimensions

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Published

2025-02-14

How to Cite

An Evaluation of Excess Lifetime Cancer Risk from Indoor and Outdoor Radiation Exposure in Okutukutu Computer Village, Yenagoa, Bayelsa State, Nigeria: A Monte Carlo Simulation Approach. (2025). Nigerian Journal of Theoretical and Environmental Physics, 3(1), 10-16. https://doi.org/10.62292/njtep.v3i1.2025.66

Issue

Vol. 3 No. 1 (2025): Nigerian Journal of Theoretical and Environmental Physics - Vol. 3 No. 1

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Articles
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How to Cite

An Evaluation of Excess Lifetime Cancer Risk from Indoor and Outdoor Radiation Exposure in Okutukutu Computer Village, Yenagoa, Bayelsa State, Nigeria: A Monte Carlo Simulation Approach. (2025). Nigerian Journal of Theoretical and Environmental Physics, 3(1), 10-16. https://doi.org/10.62292/njtep.v3i1.2025.66