Abstract
The prime objective of this study is to estimate the natural radioactivity and their associated radiological hazards in soil samples of Uttara Kannada district having different geological conditions. The 226Ra, 232Th and 40K activities were estimated using HPGe detector based gamma ray spectrometer. The average 226Ra, 232Th and 40K activity concentrations are 36.13 ± 0.96, 48.47 ± 1.26 and 415.76 ± 6.83 Bq kg−1 respectively. The mean annual effective dose equivalent value was found to be 0.40 mSv y−1 and is less than the ICRP proposed value of 1 mSv y−1. The radiological hazard indices were computed and compared with internationally agreed values.
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Acknowledgements
The authors wish to express their heartfelt gratitude to M.P.E society’s Dr. M.P Karki Institute of Excellence and Research, Honnavar, for providing an instrumentation facility to conduct research work.
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Suresh, S., Rangaswamy, D.R., Sannappa, J. et al. Estimation of natural radioactivity and assessment of radiation hazard indices in soil samples of Uttara Kannada district, Karnataka, India. J Radioanal Nucl Chem 331, 1869–1879 (2022). https://doi.org/10.1007/s10967-021-08145-5
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DOI: https://doi.org/10.1007/s10967-021-08145-5