2015 APMP Meeting TCRI Report

Transcription

1 2015 APMP Meeting TCRI Report Nov. 3, 2014 Chul-Young Yi TCRI Chair Beijing, China 1

2 I TCRI workshop Participants 10 NMIs, 33 participants ARPANSA, ANSTO, INER, NMC, NMIJ, NIM, PTKMR-BATAN, OAP, NMISA, KRISS Dosimetry - Absolute laser power determination of X-ray free electron laser using calorimeters - International key comparison for clinical LINAC and Ir-192 HDR - Development of a water calorimeter as the absorbed dose-to-water primary standard - Establishment of graphite calorimeter at INER - Development of a graphite calorimeter, KRISS model A current status - Progress of Alanine dosimetry (1 Gy Gy) - Use of calorimetry to measure very high dose rate synchrotron beams (300 Gy/s) - Ir-192 Reference Air Kerma Rate measurement System at INER - The research of K fluorescence radiation facility - The calibration of intrinsic efficiency of LEGe for parallel incident photons - Spatial response mapping of ionisation chambers using sub-millimetre kilovoltage beams - Measurement of medium- and low-energy x-ray absorbed dose 2

3 I TCRI workshop Radioactivity - Measurement of Radionuclides in Australia - Radioactivity Absolute Measurement of Ge-68/Ga-68 by Liquid Scintillation Counting Method - Uncertainty estimation? NO!!, Data evaluation? Yes!! 3

4 I TCRI workshop 4

5 II TCRI meeting Participants 11 NMIs, 33 participants ARPANSA, ANSTO, INER, NMC, NMIJ, NIM, OAP, PTKMR-BATAN, NMA, NMISA, KRISS Sessions Session 1: Laboratory reports Session 2: Comparison reports Session 3: CMC workshop CIPM MRA review Discussions on focus areas Next chair election 5

6 III. Comparison (dosimetry) Comparison ID. Field Pilot Lab. Participating Laboratories Period or Status APMP.RI(I)-K1.1 (2010) Air Kerma for Co-60 ARPANSA ARPANSA,BATAN,NRL,INER,DM SC(5 labs) Draft B APMP.RI.(I)-K2.B APMP.RI.(I)-K3 ( ) APMP.RI(I)-K4 ( ) APMP.RI(I)-K5 ( ) APMP.RI(I)-K7 Air Kerma for low energy X-rays (CCRI kv) Air Kerma for medium energy X- rays Absorbed dose to water for Co-60 Air Kerma for Cs-137 Air Kerma for mammography NMIJ INER Draft A INER INER KRISS NIM INER, NIM, NMIJ, NMA. AEC, ARPANSA, BARC, BATAN, DMSC, INER, KRISS, NIM, NM, NMIJ, NMISA, PTB, (12 labs) ARPANSA, BARC, NMISA, INER, IAEA, KRISS, NM, NMIJ, OAP, PNRI, (10 labs) ARPANSA, BARC, NMISA, INER, KRISS, NIM, NMIJ, OAP, PNRI, (9 labs) Measurement in progress Draft A Measurement completed Planned 6

7 III. Comparison (Dosimetry) Comparison ID Measurand Pilot lab. Participating institutes Current status APMP.RI(I)-S1 ( ) Absorbed dose to water using alanine dosimeters OAP MNA, OAP, BARC, INER, NIM, NIS (6 lab.) Draft B APMP.RI(I)-S2 (2013) Absorbed dose rate to tissue for Sr-90/Y-90, Kr-85, Pm-147 NMIJ INER, KRISS, MNA, NMIJ, OAP(5 labs) Draft A APMP.RI(I)-S3 ( ) kv X-ray air kerma rate (ISO-4037) ARPANSA ARPANSA, INER, KRISS, MNA, NMIJ, NIM, NIS(7 labs) Measurement in progress APMP.RI(I)-S4 Personal dose equivalent for Co-60,penetrating (TLD) NIM MNA, NIM, NIS, OAP, INER (5 labs) Planned APMP.RI(I)-S5 Personal dose equivalent for Cs-137, penetrating MNA (Nuclear Malaysia) MNA, NIM, NIS, OAP, INER (5 labs) Planned 7

8 III. Comparison (Radioactivity & Neutron) Comparison ID Measurand Decay Scheme Groups Pilot lab. Participating institutes Current status APMP.RI(II)-K2.Fe- 59 Activity of radionuclide Fe-59, πβγ BG NMIJ BARC, INER, KRISS, LNMRI, NIM, NIMSA, OAP, NMIJ, PTKMR Draft A APMP.RI(II)- S3.Cs134.Cs137 Radioactivity measurement of Cs-134 and Cs-137 in Brown rice NMIJ INER, IRMM, KRISS, NIST, NPL, OAP, PTKMR, NMIJ Draft A APMP.RI(II)- S3.Cs134.Cs137 Radioactivity measurement of Cs-134 and Cs-137 in Brown rice NMIJ Planned 8

9 III. Comparison summary Comparison type & current status Section Dosimetry Radioactivity Neutron Total Approved and published in KCDB KC In progress Planned in Approved and published in KCDB SC In progress Planned in Total 27 9

10 IV. CMCs Country NMI/DI No. CMCs entries RI(I) RI(II) RI(III) Total Approval Current status Australia ANSTO II: 2005 ARPANSA I: 2006, III: 2006 China NIM I: 2006, II: 2005, III: 2006 Chinese Taipei INER I: 2006, II: 2005, III: 2006 Japan NMIJ I: 2011, II: 2005, III: 2011 Korea KRISS I: 2011, II: 2005, III: 2011 Malaysia MNA I: 2008 Evidence update, removal(i: 2) Intra-RMO review (2014) New entries(i: 9) Intra-RMO review (2014) New entries(ii: 7, III: 2) Intra-RMO review (2014) Total No. CMCs entries 810 CMCs review in 2015 Inter-RMO : 5 (AFRIMETS: 1, COOMET: 1, EURAMET: 2, SIM: 1) Intra-RMO : 3 (KRISS, ARPANSA, NMIJ) 10

11 V. Findings On CIPM MRA CMCs : we need to make CMCs from radioactivity section compact more Comparison reports : Needs harmonization in describing the methods and results of the comparison Simple standard report form (or, template) may be convenient and efficient Bilateral comparison using commercial calibration is admitted among TC members as promising 11

12 V. Findings On Focus Areas APANSA, ANSTO, NMIJ, NIM, KRISS express interest in supporting focus area of Medical Devices (A delegate said the focus area Medical Diagnostics Equipment has been changed to Medical Devices ). INER (DI from Chinese Taipei) and NMIJ (radioactivity section) express interest in supporting the Focus Area Food Safety. All are wondering about what to do and how to support the focus areas in TC level. 12

13 VI. Next Chair Election Dr. Jinjie Wu from NIM was nominated solely by a proposer from INER and a seconder from NMIJ, both of whom are full member of APMP. Dr. Jinjie Wu was elected as a next TCRI Chair unanimously. We 13