Determination of natural and artificial radioactivity levels and radiation hazard indices for soil samples in Kırşehir

Sümeyra Yamçıçıer; Doğan Yaşar

doi:10.1515/ract-2023-0215

Article

Determination of natural and artificial radioactivity levels and radiation hazard indices for soil samples in Kırşehir

Sümeyra Yamçıçıer and Doğan Yaşar

Published/Copyright: December 5, 2023

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From the journal Radiochimica Acta Volume 112 Issue 1

Abstract

The aim of this study is to create a radiological map of Kırşehir province in Turkey by analyzing the radioactivity levels of soil samples and environmental radiation measurements. ²²⁶Ra, ²³²Th, ⁴⁰K and ¹³⁷Cs radionuclides were analysed in soil samples collected from 47 locations using gamma spectrometry with an HPGe detector. According to the results obtained, gamma radioactivity concentration ranges and mean values for ²²⁶Ra, ²³²Th, ⁴⁰K and ¹³⁷Cs were determined as 133 ± 15–1515 ± 128 Bq/kg (599.40 Bq/kg), 0.3 ± 0.09–21.1 ± 1.7 Bq/kg (4.61 Bq/kg), 8.7 ± 0.9–128.5 ± 8.5 Bq/kg (29.66 Bq/kg) and 11.6 ± 8.6–273.8 ± 19.9 Bq/kg (48.80 Bq/kg) respectively. Average radioactivity levels for ⁴⁰K and ²³²Th are above the world average. The mean radium equivalent activity (Ra_eq), gamma dose rate (D), annual effective dose equivalent (AEDE), external hazard index (H_ex), and the excess lifetime cancer risk (ELCR) were calculated as 145.45 Bq/kg, 122.13 nGy/h, 0.15 mSv/h, 0.39 and 0.29 × 10⁻³ respectively.

Keywords: natural radioactivity; soil; environmental measurements; gamma dose rate; annual effective dose

Corresponding author: Sümeyra Yamçıçıer, Vocational School of Health Services, Department of Medical Imaging, Osmaniye Korkut Ata University, Osmaniye, Türkiye, E-mail: sumeyrayamcicier@osmaniye.edu.tr

Research ethics: Not applicable.
Author contribution: The author have accepted responsibility for the entire content of this manuscript and approved its submission.
Competing interests: The author state no conflict of interest.
Research funding: Not applicable.
Data availability: The raw data can be obtained on request from the corresponding author.

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Received: 2023-08-09

Accepted: 2023-11-20

Published Online: 2023-12-05

Published in Print: 2024-01-29

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https://doi.org/10.1515/ract-2023-0215

Keywords for this article

natural radioactivity; soil; environmental measurements; gamma dose rate; annual effective dose