Advanced Physics for Brachytherapy 2018

Chapter 5: Calibration at the SSDL and Hospital Level

5.1. Establishment of standards for photon and intravascular sources

5.1.1. Traceability in calibrations at SSDLs The recommended detector is an appropriately calibrated well type chamber. The preferred traceability method is to have the well type chamber calibrated against the primary standard at the PSDL. Calibrations at an ADCL or the IAEA Dosimetry Laboratory can serve as an alternative. This calibration should be carried out for each radionuclide and source type to be used. 5.1.2. Traceability in calibrations at hospitals It is recommended that for brachytherapy sources be calibrated with an appropriately calibrated well type chamber. For traceability, the well type chamber should be calibrated at the SSDL (or ADCL).

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