Abstract
Assessment of dose rates with environmental dosimeters typically takes much longer than with personal dosimeters. This work compares the results of two dosimetry systems with the aim of showing how to use personal dosimeters as environmental dosimeters in the case of radiological and nuclear emergencies, when the processing of a large number of dosimeters is essential. For this purpose, a long-term study has been carried out on the variability of the response of personal (CaSO4:Tm) and environmental (LiF:Mg,Cu,P) dosimeters corrected for the influence of secondary cosmic radiation (SCR). Comparison with each other provided a correlation factor between measurements made using these two passive dosimetry systems. The SCR response of the personal dosimeter was found to be 0.41 (σ = 0.03) significantly lower than 1.24 (Uk=2 = 0.12) that of the environmental dosimeter, which notably affects the comparison of dose measurements made with these two systems in free field. The correlation factor found of 0.86 (σ = 0.08) between the personal and environmental dosimeters allows preparing the personal dosimeters to be used in environmental radiation monitoring.
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