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Natural radioactivity and concomitant radiological risks in sediments of the Padma river near Rooppur Nuclear Power Plant of Bangladesh: Pre-operational status

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Published/Copyright: January 28, 2025
Radiochimica Acta
From the journal Radiochimica Acta Volume 113 Issue 4

Abstract

In this study, natural radioactivity levels in sediments of the Padma River and concomitant radiological risks were assessed. Sediment samples were collected from the Padma River near the under-construction Rooppur Nuclear Power Plant (RNPP) of Bangladesh and analyzed for 226Ra, 232Th, and 40K radioactivity levels using a gamma-ray spectrometry system. The activity concentrations (Bq kg−1) of 226Ra, 232Th, and 40K in sediments of the Padma River varied from 45.6 ± 6.7 to 119 ± 11 with average 73.2 ± 17.4; 49.8 ± 6.9 to 137 ± 11 with average 86.6 ± 20.3, and 540 ± 23 to 1,032 ± 32 with average 782 ± 146, respectively. This study indicates that activity concentrations of these radionuclides in the Padma River sediments are relatively higher than the world average values. Among the seven radiological hazard indices determined, four of them: radium equivalent activity, annual effective dose rate, and external and internal hazard indices are within their international guideline values. However, values of absorbed dose rate, gamma representative level index, and excess lifetime cancer risk are considerably higher at all sampling points, suggesting radiological risks for the river environment. The statistical analyses revealed a strong correlation between 238U and 232Th radionuclides. The spatial distribution of activity concentrations and radiological hazard indices for the studied area will serve as a documented radiological reference for the Padma River near RNPP. This study recommends routine monitoring of the radionuclides in the surrounding regions of RNPP to assess any post-operational environmental impact due to radionuclide contamination.

Keywords: NORMs; nuclear power plant; Padma river sediments; radiological risk; multivariate statistics
Corresponding author: Mohammad Amirul Islam, Institute of Nuclear Science and Technology, Atomic Energy Research Establishment, Bangladesh Atomic Energy Commission, Ashulia, Dhaka 1349, Bangladesh; and Department of Nuclear Science and Engineering, Military Institute of Science and Technology, Dhaka 1216, Bangladesh, E-mail: .; and Md. Rahat Ali, Department of Physics, Rajshahi University of Engineering & Technology, Rajshahi 6204, Bangladesh, E-mail:

Acknowledgments

The technical staff of the NAA laboratory are gratefully acknowledged for their support during sample preperation and counting.

  1. Research ethics: Not applicable.

  2. Informed consent: Not applicable.

  3. Author contributions: Mohammad Amirul Islam: Conceptualization, Supervision, Methodology, Validation, Review and editing. Abu Sayed Mohammed Sayam: Data curation and Preparation of the initial draft. Md Rahat Ali: Conceptualization, Field sampling, Sample preparation, Instrumental analysis, Review and editing, Project administration. Argho Roy: Sample analysis, Data curation, software, Review and editing. Razia Sultana Ripa: Sample analysis, Data curation, Review and editing. Maynul Hassan: Data curation, Shaiful Kabir: Data curation, Software.

  4. Use of Large Language Models, AI and Machine Learning Tools: None declared.

  5. Conflict of interest: Authors declare that there is no known conflict of interest for this study.

  6. Research funding: This research was partly supported by the RUET-UGC research grant.

  7. Data availability: Raw data will be available from the corresponding authors upon request.

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Supplementary Material

This article contains supplementary material (https://doi.org/10.1515/ract-2024-0333).

Received: 2024-07-08
Accepted: 2025-01-11
Published Online: 2025-01-28
Published in Print: 2025-04-28

© 2025 Walter de Gruyter GmbH, Berlin/Boston

Articles in the same Issue

  1. Frontmatter
  2. Original Papers
  3. An experimental and computational investigation of the structure and spectroscopic signatures of α-UO3
  4. Solid phase speciation and mobility of thorium in soil samples from a case study in Sri Lanka
  5. Natural radioactivity and concomitant radiological risks in sediments of the Padma river near Rooppur Nuclear Power Plant of Bangladesh: Pre-operational status
  6. Impact of fiber treatment and electron beam radiation on the properties of ethylene-propylene-diene rubber composites reinforced with banana fiber
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https://doi.org/10.1515/ract-2024-0333
Keywords for this article
NORMs; nuclear power plant; Padma river sediments; radiological risk; multivariate statistics

Articles in the same Issue

  1. Frontmatter
  2. Original Papers
  3. An experimental and computational investigation of the structure and spectroscopic signatures of α-UO3
  4. Solid phase speciation and mobility of thorium in soil samples from a case study in Sri Lanka
  5. Natural radioactivity and concomitant radiological risks in sediments of the Padma river near Rooppur Nuclear Power Plant of Bangladesh: Pre-operational status
  6. Impact of fiber treatment and electron beam radiation on the properties of ethylene-propylene-diene rubber composites reinforced with banana fiber
  7. Integration of ionizing radiation and nano-clay for enhancing characters of CMC-PVA/Nano-clay bio-based films
  8. PbO2 substitution impact on the gamma ray shielding effectiveness of borotellurite glasses: a comparative study of attenuation parameters
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