Fast assessment of retrospective dosimetry using the SAAD–POSL method with core disc samples from building materials

• Published in: Radiation measurements Vol. 71; pp. 490 - 493
• Main Authors: Kim, M.J., Lee, Y.J., Lee, J.I., Kim, J.L., Hong, D.G.
• Format: Journal Article Conference Proceeding
• Language: English
• Published: Kidlington Elsevier Ltd 01.12.2014; Elsevier
• Subjects: Accidental dose; Building material; Core disc sample; Earth sciences; Earth, ocean, space; Exact sciences and technology; Geochronology; Isotope geochemistry. Geochronology; POSL; SAAD method; Building material; SAAD method; Core disc sample; POSL; Accidental dose; luminescence; buildings; reliability; construction materials
• ISSN: 1350-4487; 1879-0925
• DOI: 10.1016/j.radmeas.2014.04.013

To establish a fast assessment method of accidental dose, core disc samples were extracted from a heated red brick, roof tile, ceramic tile, and toilet porcelain, which are commonly used building materials. We examined the physical characteristics of pulsed optically stimulated luminescence (POSL) signals from these samples, and tested the reliability of the single aliquot additive dose (SAAD)-POSL method over a range of 7 Gy. In addition, when the SAAD-POSL method was applied, the minimum detectable dose (MDD) was as low as 0.01 Gy for the heated red brick, and the calculation time for an equivalent dose was as short as 2 h. This result indicates that the SAAD-POSL method is more effective as a fast assessment method of accidental dose than the SAR-OSL method. •SAAD-POSL method was developed for an urgent accidental dosimetry.•For building materials, the MDD of this method was very low as 0.01 Gy.•The determination time for an equivalent dose was very short within 2 h.