Summary of MODARIA II WG1 Status - Pages - GNSSN Home Documents/MODARIA II… · –Presentation by...
Transcript of Summary of MODARIA II WG1 Status - Pages - GNSSN Home Documents/MODARIA II… · –Presentation by...
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IAEAInternational Atomic Energy Agency
Summary of MODARIA II WG1 Status
Ming Zhu, Ph.D., PE, PMP, F. ASCEU.S. Department of Energy
MODARIA II TM3
Vienna, Austria
25 October 2018
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IAEA
WG1 Sessions Attendance @ TM3
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WG1 IAEA Scientific Secretary: Tamara YankovichWG1 Leader: Ming Zhu (USA)
16 (33*) Participants
9 (19*) Member states
* (including joint sessions)
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IAEA
Work Scope
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WG 1: Assessment and Decision Making of Existing Exposure Situations for NORM and Nuclear Legacy Sites
– Methods and tools for radiological impact assessments and application to specific situations
– Methodologies for decision analyses for remediation and closure of NORM and legacy sites
– Communication and engagement with relevant interested parties
– Training for end users for the use of the relevant software
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IAEA
Sites Selected for Case Studies
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Tessenderlo Phosphate Processing SiteBelgium
Zapadnoe Uranium Mill Tailings SiteUkraine
Former Tin Processing SiteBrazil
Grote Laak
Winterbeek
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IAEA
Work Performed This Week
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– Training session by Daria Koliabina on “NORMALYSA Tool for Safety Assessment and Uranium Residues Management”.
– Updates of model-model/data comparisons for the Case Studies for the Tenssenderlo Chemie Phosphase Processing Site, the Zapadnoe Uranium Tailing Site, and the Brazil Tin Processing Site.
– Presentation by Daria Koliabina on “Update on the ZapadnoeMill Tailings Site Case Study”.
– Joint Session with the LeTrench Project Team, to share program and discuss opportunities for leveraging/collaboration.
– Presentation by Danyl Pérez-Sánchez on “Spanish Huelva Site case study of long-lasting NORM exposure situation: Analysis of Social Impact and stakeholder involvement”.
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IAEA
Work Performed This Week (ctd)
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– Presentation by . Joël Rajaobelison on “Case Study of Legacy Vatovory Uranium Mining Site And Its Surroundings (Madagascar): Public Exposure Due to Natural Radioactivity using Direct and Indirect Methods”.
– Joint Session with the WG4 Kd Team on requirements for Kd
data in WG1 case studies and Alternative Models to the Kd
approach.
– Reviews and Updates of Chapters 2-8 and Appendices of the draft Interim Report
– Preliminary plan for WG1 Third Interim Meeting, for May/June 2019
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IAEA
Collaboration with the LeTrench Project
• Both groups expressed interest in collaboration
• LeTrench shared draft report; final report in April 2019
• WG1 and LeTrench participants will jointly prepare a section in WG1 Chap. 2 to summarize lessons learned and explore opportunities for using risk-informed decision-making approach in management of legacy trenches.
Australia
UK
Canada7
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IAEA
Leveraging the TERRITORIES Project
• The Spanish Huela Site Case Study final report to be completed in April 2019
• WG1 and TERRITORIES participants to jointly summarize the case study for in WG1 Interim Report
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Tinto River
North PondSouth Pond
Perimetral
Channel
Regulation Dam
Estero del Rincón
Industry-Ponds
Pipeline
Huelva City
Pump Station Perimetral
Wall
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IAEA
Collaboration with the WG4 Kd Team
• The Kd Team to share their Kd database for fresh water environment
• Paul Black provided his compilation of the Kd data collected from the U.S. DOE sites
• WG1 to provide the draft Interim Report to the Kd Team for review of alternative treatments and Kd data selections for the Case Studies
• Joint team to explore the possibilities for developing a case study to demonstrate the application of alternative models post MODARIA II
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IAEA
Making Progress on Draft Interim Report
• Chapter 3 (Risk-formed decision making approach): Expanded draft.
• Chapter 4 (Additional Considerations):
✓ Annotated outline for completing draft on Models for Intended Use and on the KdApproach and Alternative Methods.
✓ Completed draft section on Decision Processes for Legacy Trench Management
✓ Continued discussion of consistency between and integration of chemical vs. radiological risk assessments.
• Chapter 5 (Example Toolsets):
✓ Compiled list of codes used in Case Studies.
✓ Prepared summary sections on NORMALYSA and AMBER capabilities.
• Chapter 6 (Tessenderlo Phosphate Processing Site Case Study):
✓ Completed draft on PC-CREAM Model setup; checking results of initial runs.
• Chapter 7 (Zapadnoe Uranium Mill Tailings Site Case Study):
✓ GOLDSIM model set up; Checking results of initial runs.
• Chapter 8 (Brazil Tin Processing Case Study):
✓ Expanded Chap. 8 and added Appendix C with details for site description and model setup
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IAEA
Plan for Next Meeting
WG1 3rd Interim
Meeting,Norway,
May/June 2019 (Tentative)
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IAEA
Hope
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