RELATION BETWEEN INDOOR RADON CONCENTRATIONS AND GEOGENIC RADON POTENTIAL
Bistra K. Kunovska, Todor Y. Yordanov, Desislava K. Djunakova, Dimitar I. Antonov, Sava N. Kolev, Kremena G. Ivanova, Aleksey D. Benderev
Pagini: 12-21
Primit: 24 Jul 2024
Publicat: 18 Nov 2024
DOI: 10.62991/ES1996521043
Vizualizări: 1,218
Descărcări: 150
Captures: 1 (Elsevier PlumX)
Rezumat: The study presented the results of radon measurements in homes, gamma dose rate, and geogenic radon potential (GRP) in different settlements in Bulgaria. The study aims to assess the relation between measured parameters. Indoor radon measurements were carried out under the Bulgarian National Radon Plan, as follows: for the Sliven district during 2018 - 2019 and the city of Kyustendil during 2020 - 2021. The nuclear track detectors (CR-39) were used for measurements. The determination of radon concentration in soil gas, soil permeability, and gamma dose rate, were carried out under a national project by the Bulgarian National Science Fund of the Ministry of Education and Science (Contract № КП-06-Н37/22/07.12.2019 г.). Measurements of radon in soil gas were performed with a soil radon monitoring system RM 2 (Radon v.o.s, Czech Republic). Soil gas permeability was performed with a RADON-JOK system manufactured by Radon v.o.s, Czech Republic, with a range of 1.7E-14 to 5.6E11m 2 . The geogenic radon potential (GRP) is a quantity determined by the concentration of radon in soil gas and the permeability of the soil. Direct gamma dose rate measurements were performed according to standard operating procedure with a Rados-RDS 110 portable dosimetry device. Indoor radon variations range from 23 to 1314 Bq/m3 , and the maximum calculated GRP value is 192. The average outdoor gamma dose rate is 0.14 μSv/h, which is typical for the country. IBM SPSS Statistics, v. 23 was used for performing the statistical analysis. Statistical significance correlation was found between groups of results: radon in dwellings and GRP and gamma dose rate and GRP applying Spearman's rank correlation coefficient, which showed that GRP could be used for the prediction of indoor radon.
Cuvinte cheie: geogenic radon potential, dwellings, indoor radon, gamma dose rate
Citează acest articol: Bistra K. Kunovska, Todor Y. Yordanov, Desislava K. Djunakova, Dimitar I. Antonov, Sava N. Kolev, Kremena G. Ivanova, Aleksey D. Benderev. RELATION BETWEEN INDOOR RADON CONCENTRATIONS AND GEOGENIC RADON POTENTIAL. Journal of International Scientific Publications: Ecology & Safety 18, 12-21 (2024). https://doi.org/10.62991/ES1996521043
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