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Joint IAEA-ARPANSA Inter-comparison Exercise

 

The IAEA is strengthening national capacities for occupational radiation protection in compliance with International Basic Safety Standards through regional TC project RAS/9/080.

Improvement of the quality management system in the individual monitoring service laboratory in the Asia and Pacific region is still a challenge. Systematic training for the staff in the laboratory and intercomparison exercise on individual monitoring is indispensable. Therefore IAEA regional Technical Cooperation project RAS/9/080 is supporting for an inter-comparison exercise for participating Member States in Asia and the Pacific region to support the improvement of QMS of the laboratories in the region.

The aim of this inter-comparion (IC) exercises is to assess the capabilities of the dosimetry services in the region to measure the quantity Hp(10) in photon (gamma and X ray) fields, thus supporting participating Member States (MSs) to achieve a more accurate dosimetry service.

An additional objective is to provide MSs with guidelines to improve the performance of the existing dosimetry services in line with the project milestones of RAS/9/080 project. The IC exercise is open to 30 (thirty) individual monitoring service (IMS) laboratories of MSs participating in the TCAP programme.

Background

The 2018 IC exercise focuses on external monitoring, specifically on passive dosimeters (such as TLD, OSL, RPL and film) used for the assessment of Hp(10) and/or Hp(0.07). An irradiation of these dosimeters (restricted to photons) will be carried out in Primary Dosimetry Standards Laboratory of Australian Radiation Protection and Nuclear Safety Agency (ARPANSA) in terms of Hp(10) and Hp(0.07) in the following ranges:
• Energy: 70 and 662 keV
• Dose equivalent: 1 mSv to 20 mSv
• Angle of incidence: 0° and 20°

A total of 25 dosimeters are required from each participant for this intercomparison exercise:
• 20 dosimeters for irradiation (exposures for each participants will be at 4 different doses).
• 5 dosimeters for background and transit.

After the irradiations have been carried out, ARPANSA will return the dosimeters to the participants for readout. Within one month from receiving the dosimeters (no later than end of September 2018), participating IMS laboratories shall submit the results in terms of Hp(10) and/or Hp(0.07).

After the deadline for submission of results, participating IMS laboratories will receive details of their response values. Change of results after distribution of the irradiation data will only be possible in case of technical or administrative errors made by the irradiation laboratory.

Intercomparison results will be handled by ARPANSA and the IAEA as confidential data. The IMS identity will not be disclosed.

After confirmation of results, ARPANSA together with the IAEA will provide the participating IMS laboratories with a “Certificate of Participation” including information on the irradiation qualities, doses, response values and overall uncertainties for all irradiations.

See guidelines and nomination forms >>

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| Last update: Monday, 08 January, 2018.