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dc.contributor.authorKozłowska, Beata-
dc.contributor.authorWalencik-Łata, Agata-
dc.contributor.authorImme, Giuseppina-
dc.contributor.authorCatalano, Roberto-
dc.contributor.authorMangano, Gabriella-
dc.contributor.authorMorelli, Daniela-
dc.contributor.authorGiammanco, Salvatore-
dc.identifier.citationAnnals of Geophysics, 2016, iss. 1, art. no. S0103.pl_PL
dc.description.abstractWaters of Mt. Etna are the main source of drinking water for the local population and are also distributed in municipal supply systems to neighbouring areas. Radioactivity in underground waters and surrounding rocks from the eastern flank of Mt. Etna was investigated on the basis of 9 water and 8 rock samples from 12 localities altogether. Three samples were from water drainage galleries and six from water wells. All water intakes are used for consumption. Activity concentration of uranium isotopes234,238U, radium isotopes226,228Ra and radon222Rn were determined with the use different nuclear spectrometry techniques. The determination of uranium isotopes was carried out with the use of alpha spectrometry. The measurements of radium and radon activity concentration in water were performed with the use of a liquid scintillation technique. Additionally, rocks surrounding the intakes were examined with gamma spectrometry. All water samples showed uranium concentration above Minimum Detectable Activity (MDA), with the highest total uranium (234U +238U) activity concentration equal to 149.2±6 mBq/L. Conversely, all samples showed radium isotopes activity concentrations below MDA. Radon activity concentration was within the range from 2.91±0.36 to 21.21±1.10 Bq/L, hence these waters can be classified as low-radon waters. Gamma natural background of the rocks surrounding the water sampling sites was found on the same levels as other volcanic rocks of Italy.pl_PL
dc.rightsUznanie autorstwa 3.0 Polska*
dc.subjectAquifer pollutionpl_PL
dc.subjectDrinking waterpl_PL
dc.subjectRadium isotopepl_PL
dc.subjectUranium isotopepl_PL
dc.titleNatural radioactivity content in groundwater of Mt. Etna's eastern flank and gamma background of surrounding rockspl_PL
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