the regulators view for successful research reactor decommissioning iaea … documents... ·...
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The Regulators View for Successful
Research Reactor Decommissioning
IAEA R2D2 Project Meeting
Buffalo, New York 2012
Bruce Watson, John Hickman, and Theodore Smith
Reactor Decommissioning Branch
U.S. Nuclear Regulatory Commission, Washington,
D.C. 20555
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NRC Regulations
• 10 CFR Part 20 Subpart E “License
Termination Rule
• 10 CFR Part 50 – Operating License
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US NRC Decommissioning
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U. S. Research Reactors
• Currently - 31 Operating Research
Reactors
• Presently - 11 Research Reactors in
Decommissioning Status
• Since 2003 - 11 Research Reactors
decommissioned and licenses terminated
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Stakeholder Involvement
• City/Town Elected Officials
• Local Resident Impacts
• Fire, Police and Emergency Response
• Re-establish relationships/agreements
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Communications
• Local Community
• Local Residents
• University Campus
• Project Progress Reports
• Keep State and NRC informed
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Project Security
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• Personnel Barriers -
Industrial Fences
• Personnel Access
Control
• Local Law
Enforcement
• Routine Security
Patrols
• Off hours and
Weekend security
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Characterization• Radionuclide and Chemical History
• Spill History
• Leak History
• Reactor Internals and Neutron Activation
• Hazardous Materials8
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Decommissioning Plan
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• Quality and Level of
Detail
• Oversight and QA
• Checklist in NUREG
1537 Standard
Review Plan
• Environmental
Report (consultation
with State Agencies)
• Details in NUREG
1757 Consolidated
Decommissioning
Guidance
• Radiological Process
in NUREG 1575
MARSSIM
• Final Status Survey
Plan
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NRC Review and Approval Process
• Receipt of Decommissioning Plan
• Acceptance of Plan – 30 Days
• Detailed Technical Review – 120 Days
• Safety Evaluation Report – Approval
• License Amendment
• Federal Register Notice
• Goal – Approval in 1 year
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Waste Management
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• Waste Streams
• Waste Processing
• Waste Staging and
Interim Storage
• Transportation
• Hazardous waste
• Mixed waste
• 20.2002 Alternative
Disposal Request in
DP or individual
request
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Hazardous Materials Assessment
• Asbestos Insulation
• Asbestos in tile/mastic
• Lead
• lead paint
• Mercury in light ballasts
• Historical chemical use
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Public Protection and Perception
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• Establishing Baseline Background
• Environmental TLDs
• Non-occupational exposures
• Contamination Control
• Airborne Radioactivity Controls
• Effluent Monitoring
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RTR Management Involvement
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• Sr. Management
Oversight - Tours,
Visits, Meetings
• Management
Assessments
• Decommissioning
Oversight Committee
(Former Reactor
Safety Committee)
• DOC Onsite
Meetings and Facility
Tours
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• Onsite Project Management
• Clear Stop Work Authority
• Contractor Oversight
• Experienced Decommissioning
Contractor (licensed)
• Key Personnel – Qualifications
• Quality Assurance Audits/Surveillances
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Project Administration
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Radiation Safety Officer Oversight
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• Approves work
process (RWP)
• Release of Materials
per I&E Notice 81-07
• Approves
Radioactive Waste
Manifests
• Directs HP
Technicians
• Ensures procedure
adherence
• Reviews and
approves
Radiological Surveys
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Radiation Protection Oversight
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• Independent checks of instrumentation
• Verification of surveys of materials
released
• Observes HP techs and Rad workers in
the field
• ALARA and Posting Reviews
• Environmental Surveillance Surveys
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Radiological Surveys
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• In-process Beta and
Gamma surveys of
structures
• Gamma surveys of
floor joints, cracks,
etcG
• Activated metal and
concrete
• Final Status Survey
Reports
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Dose Modeling
• Scenario Determination –
Decommissioning End Point
• DCGLs – Site Specific or Screening
Values
• NRC / EPA MOU Trigger Levels
• State unrestricted release criteria
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Inspection Program
• Regional Office – integrate project into
the Master Inspection Plan
• Inspection Manual Chapters
• High Risk Work Evolutions
• In-process and Confirmatory Surveys
(ORISE)
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Project Schedule
• Mobilization of contractors
• Training of Decommissioning workers
• Component Dismantling
• Component Staging
• Radioactive waste staging
• Waste Shipments
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Conclusions
• License Termination Regulations are flexible for
Research Reactor decommissioning
• License Termination Rule has been
implemented for 15 years.
• NRC Guidance continues to evolve as lessons
are learned.
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NRC Decommissioning Universe
• 12 Power & 2 Early Demonstration reactors
• 11 Test, Training, & Research reactors
• 21 Complex Materials sites
• WVDP
• 21 Title I & 11 Title II UMTRCA sites
• 6 Title II sites that have transferred to DOE