Abstract
The present study aimed to determine the concentration of radon (222Rn) levels of indoor air of spas and of spring water sites in the Turkish cities of Nigde and Aksaray, both located in Cappadocia, Anatolia, which is a well-known tourist area. In this area there are a lot of spring water and thermal water sites providing both drinking water and water for spas, which are used for therapeutic treatments of diseases and for health services. Therefore, it is necessary to quantify radon gas concentrations in the air of sites that use geothermal waters and spring water. Consequently, radon measurements were carried out using CR-39 detectors placed at different locations within each investigated thermal spa and spring water site. The results obtained indicate that, in the air of spring water at Helvadere, there is a high radon concentration. The average radon concentrations obtained for the air of Ciftehan and Ziga thermal spas were 12.5 ± 1.4 Bq/m3 and 15.5 ± 2.1 Bq/m3, respectively, while in the air of Kemerhisar, Helvadere, and Okcu village spring water sites the average radon concentrations were 32 ± 4.2 Bq/m3, 265 ± 37.9 Bq/m3, and 35 ± 5.1 Bq/m3, respectively. The corresponding average effective doses were calculated both for patients and workers for Ciftehan and Ziga thermal spas, and for workers 0.09 and 0.11 mSv/year for Ciftehan and Ziga, respectively, were obtained. Doses for patients were 0.0007 and 0.0008 mSv/year for Ciftehan and Ziga, respectively. It is concluded that based on the measured radon concentrations and corresponding effective doses no radiation protection measures must be implemented.
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Acknowledgements
The authors would like to thank the Nigde University Research Fund for supporting this project and also the SANAEM (Saraykoy Nuclear Research and Training Center) laboratory for their assistance with the radon measurements, who are the only licensed place in Turkey to do such measurements.
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Methodology, investigation, writing and editing of original draft and visualisation, material preparation, and data collection were performed by VB. SE was involved in methodology and investigation, review of original draft, and project administration. All the authors read and approved the final manuscript.
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Bozkurt, V., Erturk, S. Evaluation of radon gas concentration in indoor air of spas and in spring water in the central Anatolia region of Turkey. Radiat Environ Biophys 61, 609–614 (2022). https://doi.org/10.1007/s00411-022-00992-4
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DOI: https://doi.org/10.1007/s00411-022-00992-4