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Determination and Dose Contribution of Uranium Isotopes and 2010Po Activity Concentrations of Natural Spring Waters in the Province of Granada, Spain

Journal article
Authors A. Milena-Pérez
Francisco Piñero-García
V. M. Expósito-Suárez
Juan Mantero
J. Benavente
M. A. Ferro-García
Published in Radiation protection dosimetry
Volume 181
Issue 4
Pages 350-359
ISSN 1742-3406
Publication year 2018
Published at Institute of Clinical Sciences, Department of Radiation Physics
Pages 350-359
Language en
Links dx.doi.org/10.1093/rpd/ncy034
Subject categories Radiological physics

Abstract

The activity concentrations of alpha-emitters comprising isotopes of uranium (238, 234, 235U) and polonium (210Po) were measured using alpha-particle spectrometry in natural spring waters in the province of Granada, Spain. These water are consumed by the population of the zone who live in villages. This is almost half of the population of the whole region. Mean values of activity concentrations found are 42.61 ± 2.66; 49.55 ± 3.03; 1.64 ± 0.28 and 1.74 ± 0.15 mBq L-1 for 238U, 234U, 235U and 210Po, respectively. Finally, the radiological impact of the analysed waters has been determined, in terms of the estimation of the committed annual effective dose due to the ingestion of the water. The assessment has been carried out for five age groups with the aim to cover all the population. The calculated annual effective doses are observed to be below the prescribed dose limit of 100 μSv y-1 recommended by WHO.

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