Abstract
For practical reasons, usually, luminescence dating laboratories contain in the same room (or in adjacent rooms) the equipment and the radioactive sources, as well as the storage cabinet for the samples. It is generally assumed that the absorbed dose due to ambient radioactivity is null or at least negligible in terms of human health (below the dose limit).To test the actual dose rate inside our laboratory room, an investigation combining portable dose rate meter, portable NaI(Tl) gamma spectrometry, and blue-OSL dosimetry using Al2O3:C pellets was made. Although our measurements show the presence of X-rays as far as 3 m from the sources, the dose rates are below the safety regulation and does not affect the dating of the sample stored in the same room as the radioactive sources.
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