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izvor podataka: crosbi

Identification and mapping radon-prone areas in Croatia - preliminary results for Lika-Senj and southern part of Karlovac county (CROSBI ID 611386)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | međunarodna recenzija

Radolić, Vanja ; Miklavčić, Igor ; Stanić, Denis ; Poje, Marina ; Krpan, Ivana ; Mužević, Matko ; Petrinec, Branko ; Vuković, Branko Identification and mapping radon-prone areas in Croatia - preliminary results for Lika-Senj and southern part of Karlovac county // Book of abstracts: Second East European Radon Symposium SEERAS / Ristić, Goran (ur.). Niš: Elektronski fakultet Univerziteta u Nišu, 2014. str. 21-21

Podaci o odgovornosti

Radolić, Vanja ; Miklavčić, Igor ; Stanić, Denis ; Poje, Marina ; Krpan, Ivana ; Mužević, Matko ; Petrinec, Branko ; Vuković, Branko

engleski

Identification and mapping radon-prone areas in Croatia - preliminary results for Lika-Senj and southern part of Karlovac county

Long-term indoor radon measurements performed by LR-115 track etched detectors in Croatian homes during 2003/2004 showed the arithmetic means of radon concentrations in Lika-Senj and southern part of Karlovac counties were three times higher (198 Bq/m3) than in houses at national levels (68 Bq/m3). Recently, the radon measurements in randomly selected houses as well as radon in schools and kindergartens were investigated. Values obtained in houses in these new measurements have confirmed the values obtained ten years ago (average radon value in 225 investigated houses in this area is 223 Bq/m^3). At the same time, the average radon concentrations in schools and kindergartens in Lika-Senj County are both 337 Bq/m^3 while in southern part of Karlovac County are 536 and 506 Bq/m^3, respectively. Radon concentrations in soil gas in these areas were measured in September and October of 2012 and 2013 with the AlphaGUARD measuring system. The obtained average value classifies the soil of Lika-Senj County, according to the used soil classification, into soil of medium geogenic radon potential. It is important to emphasize that radon concentration exceeds the value of 100 kBq/m^3 in one third of the measured locations which classifies those areas into areas with high geogenic radon potential. Other radionuclides in soil (40^K, 137^Cs, 226^Ra, 238^U, 232^Th) were also measured and their values were commented and correlated with the values of radon and thoron. According to the obtained results the areas with elevated radon levels and radon-prone areas were identified (some micro locations in Korenica, Ličko Lešće, Generalski Stol, Slunj, Ogulin) and visually presented in the form of maps using different geostatistical approaches. Radon concentrations in the municipal water supply systems were also measured with AlphaGUARD system using procedure for quick determination of radon values. The highest measured value was 11.2 Bq/l (Gospić) and is ten times lower than the usual reference level of 100 Bq/l. The estimated maximum annual radon dose, for children, received by drinking water (75 liters per year) from the municipal water supply Gospić is 2.9 μSv and is much lower than dose received by inhalation of radon and its short lived progeny.

indoor radon ; radon in soil gas ; radon-prone areas ; radionuclides in soil

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Podaci o prilogu

21-21.

2014.

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objavljeno

978-86-6125-100-9

Podaci o matičnoj publikaciji

Book of abstracts: Second East European Radon Symposium SEERAS

Ristić, Goran

Niš: Elektronski fakultet Univerziteta u Nišu

Podaci o skupu

Second East European Radon Symposium SEERAS

poster

27.05.2014-30.05.2014

Niš, Srbija

Povezanost rada

Fizika