AN AN ASSESSMENT OF INTEGRITY OF RADIATION SHIELDING IN X-RAY RADIOGRAPHIC FACILITIES IN WARRI METROPOLIS

Authors

  • Avwerosuoghene A. Ukerun-Akpesiri Delta State University
  • Anita Franklin Akpolile Delta State University, Abraka
  • Godwin Kparobo Agbajor Delta State University, Abraka
  • Chukwuma Emmanuel Mokobia Delta State University, Abraka

DOI:

https://doi.org/10.33003/fjs-2023-0705-1897

Keywords:

Shielding, Radiation, Dose rate, X-ray, Annual dose.

Abstract

The use of radiation-emitting equipment is highly controlled in order to limit the exposure level for both workers and visitors around such facilities. Shielding is an integral part of radiation protection. This study is aimed at assessing the shielding of x-ray radiographic facilities in Warri metropolis. A total of eleven facilities were assessed in which radiation protection safety checks were carried out across the facilities and the facilities were grouped as controlled and supervised areas following the NCRP 147 protocol. The instantaneous dose rate (IDR) was measured using a calibrated handheld GM-600 radiation detector. The IDR measured for various locations ranges from 0.20 – 89.60 µSv/hr. and their corresponding annual dose rate (ADR) was computed using the measured IDR and the occupancy factor to produce its value which ranges from 0.11 - 51.10 mSv/yr. The ADR results obtained were compared with the limits recommended by the National Commission for Radiation Protection (NCRP) (5 mSv/yr. and 1 mSv/yr. for controlled and supervised areas respectively) and it was observed that five facilities exceeded the NCRP limit for controlled areas while six facilities exceeded the NCRP limits for supervised areas. The study therefore showed that the obtained ADR from the studied facilities were partially within the NCRP recommended limits thus indicating a partial compliance with radiation protection principles. Hence, regular quality control of radiographic x-ray facility checks is recommended.

Author Biographies

Anita Franklin Akpolile, Delta State University, Abraka

Department of Physics, Lecturer 1, P.hD

Godwin Kparobo Agbajor, Delta State University, Abraka

Department of Physics, Lecturer 1, P.hD

Chukwuma Emmanuel Mokobia, Delta State University, Abraka

Department of physics, Professor

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Published

2023-10-22

How to Cite

Ukerun-Akpesiri, A. A., Akpolile, A. F., Agbajor, G. K., & Mokobia, C. E. (2023). AN AN ASSESSMENT OF INTEGRITY OF RADIATION SHIELDING IN X-RAY RADIOGRAPHIC FACILITIES IN WARRI METROPOLIS. FUDMA JOURNAL OF SCIENCES, 7(5), 1 - 8. https://doi.org/10.33003/fjs-2023-0705-1897

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