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Appl Radiat Isot. 2007 Oct;65(10):1165-72. Epub 2007 Jun 9.

Measurement of radioactivity in bottled drinking water in Spain.

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Unitat de Radioquímica Ambiental i Sanitaria, Universitat Rovira i Virgili, Edifici CTT-FURV, Av. Països Catalans 18, 43007 Tarragona, Spain.


The radioactive parameters in the Spanish regulations on water intended for human consumption (law decree 140/2003) have been determined in 30 different brands of some of the most common bottled mineral waters produced and consumed in Spain. These waters are not included in this legislation but if their consumption increases, the dose of radiation in the population may also increase. After gross alpha activity, gross beta activity, gross beta without potassium contribution and tritium activity had been determined, only a few samples (16% of the samples analysed) were over the normative limit for gross alpha activity (0.1 Bq/l), whereas all the samples were below the normative limits for the other parameters. For samples with high gross alpha activity values, (226)Ra and (224)Ra were determined. The values were between 0.01 and 1.52 Bq/l, and between 0.01 and 0.38 Bq/l, respectively, so alpha activity should be considered to be of natural origin.

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