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International Atomic Energy Agency
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WG1 Sessions Attendance @ TM3
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Summary of MODARIA II WG1 Status Ming Zhu, Ph.D., PE, PMP, F. ASCE - - PowerPoint PPT Presentation
Summary of MODARIA II WG1 Status Ming Zhu, Ph.D., PE, PMP, F. ASCE - - PowerPoint PPT Presentation
Summary of MODARIA II WG1 Status Ming Zhu, Ph.D., PE, PMP, F. ASCE U.S. Department of Energy MODARIA II TM3 Vienna, Austria 25 October 2018 IAEA International Atomic Energy Agency WG1 Sessions Attendance @ TM3 16 (33*) Participants 9
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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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Sites Selected for Case Studies
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Tessenderlo Phosphate Processing Site Belgium Zapadnoe Uranium Mill Tailings Site Ukraine Former Tin Processing Site Brazil
Grote Laak Winterbeek
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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 Zapadnoe Mill 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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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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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
- f legacy trenches.
Australia UK Canada
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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 Pond South Pond Perimetral Channel Regulation Dam Estero del Rincón Industry-Ponds Pipeline Huelva City Pump Station Perimetral Wall
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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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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 Kd
Approach 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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Plan for Next Meeting WG1 3rd Interim Meeting, Norway, May/June 2019 (Tentative)
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Hope
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