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General Assembly Barcelona 6 February 2013
EURADOS General AssemblyBarcelona, Spain
February 6, 2013
P. Fattibene
WG10- Retrospective dosimetry
Progress Report
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WG10 members
64 full members 43 institutions18 corresponding members
In 2012 - 19 new full members (joining TG4/6/7)
BFS GermanyCEA FranceCIEMAT SpainDOZIMED RomainiaEC ECENEA ItalyGUMED PolandHAS HungaryHMGU GermanyHPA UKIFJ-PAN PolandIMR RussiaIORH SerbiaIRSN FranceISS Italy
ITN PortugalLIU SwedenLU SwedenLUMC NetherlandsNAMS Ukraine UkraineNHS UKNRPA NorwayRPI Check RepublicRSC LithuaniaSCK-CEN Belgium
SIOH SerbiaSTUK Finland
SU SwedenSURO Check RepublicTAEA TurkeyTECK Turkey
U Babes-Bolyai RomaniaU Balikesir Turkey
UCLOUVAIN BelgiumUGENT BelgiumUNI DURHAM UK
UNI LUND Sweden
UNI OSLO NorwayUNIMI ItalyUNIPA Italy
URMCR RussiaURPI UkraineUSP Brasil
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WG10 Tasks
WG10
Task10.3: Organisation of a
training school (2012)
Task10.4: Intercomparisonon physically based methods(cntd)
Task 10.5: EURADOSreport on WG10 activities(2013)
Task 10.6: Development of a commonapproach to uncertainty estimation (cntd)
Task 10.7/WG7: Biodosimetryafter internal contamination (cntd)
EPR
OSL
Paper IntercomparisonTraining course
Therapeuticexposures
Diagnosticradiology
Occupational andgeneral publicexposures
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Tasks achieved in 2012
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TG10.3 : EURADOS School on Retrospective Dosimetry
Neuherberg, Germany22-26 October 2012
Purpose:
- intended for scientists who are new in the field or want to deepen knowledge- focus on assay performance after unclear or assumed exposure
Organising committee:Horst Romm (chair)Clemens Woda (co-chair)Ulrike KulkaUrsula OestreicherUte Rler
Albrecht Wieser
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TG10.3 : EURADOS School on Retrospective Dosimetry
5 daysof tutorials and practical exercises in
EPR, OSL, TL,dicentric , CMBN and H2AX Assay
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TG10.3 : EURADOS School on Retrospective Dosimetry
QUESTIONNAIRE AND FEEDBACK
12 Participants
The background of the participants:- Towards a degree (MSC): 4 (33,3%)- Towards a degree (PhD): 5 (41,7%)- Continuing professional education 3 (25,0%)
Most of them had some experience in EPR / OSL
Rating of overall quality of the course: 4.8 / 5They learnt a lot from the course: 4.5 / 5All participants would recommend the course
to their colleagues
The working atmosphere was excellent.
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Tasks in progress
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Aim
To validate the retrospective dosimetry methods based on
EPR/glass and OSL/resistors which have been developed in
the framework of the MULTIBIODOSE project
Task chairs: P. Fattibene, C. Woda
TG10.4 Intercomparison on physically based methods
GlassElectronic
components EPRSL
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To date:
8-9 November 2012: meeting at IRSN
Participants: 14 EPR and 14 OSL from 24 institutions
Hands-on training.Participants received irradiated mobile phones and were asked to: Measure the samples Asses the dose and the uncertainty
Correct for signal fading
Results are being collected. Will be discussed during this meeting.
TG10.4 Intercomparison on physically based methods
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0
0.5
1
1.5
22.5
3
3.5
4
4.5
5
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
D o s e ( G
y )
Participant ID
TG10.4 Preliminary EPR results
Given doses:D1
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TG10.4 Preliminary OSL results
0 2 4 6 8 10 12 140
1
2
3
4
5
6
7 protocol with preheat protocol without preheat given dose
E s
t i m a
t e d d o s e
( G y
)
Lab No.Given dose=3.3 Gy
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Aims: ToSurvey
Compare
Assess
... techniques of uncertainty analysis for physical and biological retrospectivedosimetry
(TG chairs: E. Ainsbury; F. Trompier)
TG10 6Development of common approach to uncertainty estimation
Deliverable:
A paper surveying and comparing uncertainty evaluation methods used withinWG10 members.
To date:Methodologies across laboratories/dosimetry methods were collected and arebeing analized.
A paper has been submitted to the EPRBIODOSE conference in Leiden (24-28March 2013). Oral presentation and publication in the proceedings.
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TG 10 7Biodosimetry when internal contamination occurs
Key questions:
Can analysis of chromosome aberrations be linked with internaldose evaluation? If Yes, how?
Can dose assessment in teeth (EPR dosimetry) be linked withinternal dose evaluation? If Yes, how?
AimsTo establish the usefulness and limitations of retrospective dosimetryin cases of internal and mixed internal/external exposures
TG chair: K. Rothkamm
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Subtasks
(1) Therapeutic exposures (Natalie Maznik)
(2) Diagnostic radiology (Horst Romm)
(3) Occupational and general public exposures (Paco Barquinero)
To date (actions of WG7 and WG10/TG7):
- Meeting between members of the two groups
- Collection of cases (unpublished + published cases) where biodosimetry
techniques where applied after high intakes of radionuclides- More than 60 publications were identified
- Sharing of relevant unpublished case reports and papers
- Agreed spreadsheet format for collecting relevant case details
TG 10.7 Biodosimetry when internal contamination occurs
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Future tasks (2013)
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TG6: Training course on uncertainty evaluation:
Topics: basic statistics; modelling; low dose specifics; multidisciplinary research inretrospective dosimetry. Proposed venue: in Oxford (HPA).
TG6: Intercomparison on uncertainty estimate methods
TG5: EURADOS report on WG10 activities
Future tasks