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Updated: Aug 30, 2026

Dosimetry for Cell Irradiation using Orthovoltage (40-300 kV) X-Ray Facilities
Published on: February 20, 2021
Incorporation measurements in Switzerland: the approved internal dosimetry service at PSI
M Boschung1, J Eikenberg, C Wernli
1Paul Scherrer Institut, Radiation Metrology Section, CH-5232 Villigen PSI, Switzerland. markus.boschung@psi.ch
Abstract:
The Swiss radiation protection regulation requires approval of external and internal dosimetry laboratories. The Swiss Personal Dosimetry Ordinance specifies the terms of approval, the survey methods and the standard interpretation to assess the committed effective dose. Specific information is given for 25 radionuclides concerning metabolism, methods of measurement, survey interval and interpretation of the results. On successful completion of a technical audit by an external expert, the dosimetry service of PSI was approved for internal dosimetry by the Swiss authorities by 1 January 2001. The scope of approval includes five different measuring methods for 30 radionuclides.
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