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7th Workshop on "Decommissioning of Installations and Site Remediation"

"Decommissioning of Installations and Site Remediation", Arnhem, The Netherlands, October 2003
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pdf.png Download the Summary and Recommendations

The 7th EAN Workshop was devoted to “decommissioning and site remediation”. This was the first time that a workshop re-visited a specific topic: the 1st EAN Workshop (Saclay, 1997) was devoted to “ALARA and decommissioning”. The main objectives of the workshop were to provide a means of reviewing the recommendations of the first Workshop, progress made in the application of ALARA in decommissioning and the remaining needs both in the nuclear and non-nuclear sectors.

Some 60 participants from 11 European countries attended the Workshop. There were 20 oral presentations, mainly devoted to case studies of work undertaken in a variety of different situations (from accelerators and hot cells, to mineral wool (NORM) facilities and contaminated apartments). In addition to a scene setting session there were sessions on:

  • Site remediation and prevention of internal exposure;
  • Decommissioning of installations outside the nuclear fuel cycle;
  • Effectiveness and feedback from the use of dose and dose rates estimating factors.

The opening session reviewed the progress made with the recommendations from the 1st Workshop, and identified a series of issues and questions for later consideration in the Working Group sessions.

Programme and Downloadable Papers

Paper
Title, Authors
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  Session A: Setting the Scene - Chaired by J. Van der Steen (The Netherlands)    
A1
Introduction and setting the scene
C. Lefaure, P. Shaw
 
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A2
Following up of former recommendations
P. Deboodt

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  Session B: Site Remediation - Chaired by G. Morkunas (Lithuania)    
B1
The role of ALARA in management decisions
J.A.M.M. Kops
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B2
Management of industrial sites contaminated with radionuclides in France
A. Oudiz
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B3
Methodology for estimating the doses to members of the public from contaminated land
W.B. Oatway
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B4
Restoration of the former site of the institute for nuclear physics research in Amsterdam
P.W.F. Louwrier
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  Session C: Site Remediation and Prevention of Internal Exposure
- Chaired by P. Deboodt (Belgium)

   
C1
Occupational exposure during site remediation at WISMUT
P. Schmidt
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C2
Clean-up of a GBq-Pu contamination of two appartments, contaminated by the Pu theft at the WAK (Pilot Reprocessing Plant - Karlsruhe)
P. Höfer
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C3
The Olen radium facility: environmental contamination, impact on the population and site remediation
H. Vanmarcke
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C4
The role of personal protective equipment in reducing occupational exposure
T.A.J. Bain
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  Session D: Decommissioning of Installations outside the Nuclear Fuel Cycle
- Chaired by H. Troen (Danmark)
   
D1
Dismantlement of the Amsterdam 700 MeV linear electron accelerator MEA, electron storage ring AmPS and the experimental halls
P.W.F. Louwrier
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D2
Melting of 137Cs and 60Co sources in a steel plant: remediation and environnement monitoring
V. Berna
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D3
Radiological survey of the active central laboratory (ACL) in Studsvik, Sweden
H. Effraimsson
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D4
Operational aspects of decommissiong of installations concerning mineral wool E.I.M. Meijne
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D5
Dose reduction techniques employed during cell line decommissioning
I. Pearman, A. Murray
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  Session E: Effectiveness and Feedback on the use of Dose and Dose Rate Estimating Tools - Chaired by Vincent Massaut (Belgium)
   
E1
Dismantling of the hot-cell n° 41 at the SCK-CEN, using the ALARA planning tool VISIPLAN
P. Antoine
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E2
Calculation codes for decommissioning
C. Le Goaller
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E3
The EDR gamma scanner
J.M. Pérez
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E4
Gamma imaging as a complementary technique to health physics monitoring
K. Hughes
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E5
The use of a waste conversion index as a long term performance indicator for civil nuclear liabilities
P. Fawcett
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  POSTERS    
P1
Review of dose criteria for cleaning of contaminated land
S. Mobbs
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P2
ALARA aspect in decommissioning/moving a storage of nuclear waste (low activity) and remediating the ground
H. Troen
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P3
Problems in optimization of radiation protection concerning site remediation: case study
G. Morkunas
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P4
The use of functional modelling in a safety audit of radioactive flows
J. Lundtang Paulsen
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P5
Regulatory aspects regarding decommissioning of nuclear facilities in Switzerland S.-G. Jahn
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P6
Development of fit for purpose safety cases for decommissioning activities
P. Manson
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P7
Decommissioning of the nuclear facilities at Risoe National Laboratory in Denmark M. Bagger Hansen pdf.png
 
P8
The combined use of 3D dose assessment and the human motion simulation in ALARA D&D problems
F. Vermeersch
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