List of issues

Contaminated Water Management
CWM-101 “Understanding the current status of the contamination sources”
CWM-102 “Understanding current status of underground and buildings”
CWM-201 “Controlling water level of underground and buildings”
CWM-202 “Ensuring structural integrity”
CWM-301 “Efficient and effective water treatment”
CWM-302 “Measuring alpha-nuclide and difficult-to-measure nuclides”
Fuel Removal from SFP
SFP-101 “Understanding current status of SFP”
SFP-201 “Understanding of emission and leakage and their mitigating measures”
SFP-202 “Ensuring structural integrity”
SFP-301 “SF removal”
Fuel Debris Retrieval
FDR-101 “Understanding status of fuel debris”
FDR-102 “Understanding status of structures inside PCV and RPV”
FDR-103 “Understanding status of FP”
FDR-104 “Understanding dose inside PCV and RPV”
FDR-105 “Collection of knowledge on conditions inside PCV”
FDR-106 “Understanding contamination status inside buildings”
FDR-201 “Sorting fuel debris and radioactive waste”
FDR-202 “Shielding and decontamination measures”
FDR-203 “Controlling worker exposure inside the building”
FDR-204 “Site Boundary Dose Assessment”
FDR-205 “Establishing confinement function”
FDR-206 “Measures against dust”
FDR-207 “Criticality control”
FDR-208 “Understanding status of fuel for maintaining stable conditions”
FDR-209 “Maintaining cooling function”
FDR-210 “Understanding hydrogen generation behavior”
FDR-211 “Ensuring structural integrity of PCV and building”
FDR-212 “Ensuring integrity of system equipment and areas”
FDR-213 “Fuel debris retrieval policy”
FDR-214 “Establishing fuel debris retrieval strategy”
FDR-215 “Establishing and operating comprehensive risk management policy”
FDR-216 “Emergency measures”
FDR-217 “Establishing access route to fuel debris”
FDR-218 “Developing fuel debris retrieval equipment and devices”
FDR-219 “Ensuring safety during fuel debris processing”
FDR-220 “Establishing closed loop”
FDR-301 “Retrieving fuel debris inside PCV”
FDR-302 “Retrieving fuel debris inside RPV”
FDR-303 “Continuous maintaining and ensuring safety function”
Dismantling PCV/RPV/Buildings
DRB-101 “Assessing contamination conditions inside the reactor and the buildings (for dismantling)”
DRB-102 “Understanding the properties and the volume of dismantled materials”
DRB-201 “Understanding the structural integrity of PCV and the buildings, etc.”
DRB-202 “Establishing sorting criteria by alpha, beta and gamma contamination”
DRB-203 “Planning dismantling scenarios and sorting strategy”
DRB-204 “Establishing work sequence”
DRB-205 “Decontamination and dose rate reduction”
DRB-301 “Removing in-core structures and dismantling the buildings”
Transport/Storing/Storage (including Wastes containing Alpha Nuclides originating from Fuels)
TSR-101 “Characterization”
TSR-102 “Waste strategy”
TSR-103 “Material accountancy”
TSR-201 “Developing storing container integrity evaluation and management technology”
TSR-202 “Understanding the behavior of hydrogen generation”
TSR-204 “Design of canister specifications”
TSR-205 “Criticality control”
TSR-301 “Investigation of transport, storing and storage”
Processing/Disposal/Environment Remediation (including Wastes containing Alpha Nuclides originating from Fuels)
PDR-101 “Characterization”
PDR-102 “Waste strategy”
PDR-103 “Material accountancy”
PDR-201 “Reuse and volume reduction”
PDR-202 “Waste conditioning method”
PDR-203 “Establishing disposal concept”
PDR-204 “Performance assessment”
PDR-205 “Verification and analysis method on waste package”
PDR-206 “Impact assessment on surrounding environment”
PDR-301 “Waste volume reduction by clearance”
PDR-302 “Disposal technology according to disposal concept”
PDR-303 “Site decontamination and dose rate reduction”
PDR-304 “Switchover to uncontrolled areas”
Common Issues
BST-001 “Remote control technology”
BST-002 “Visualization technology (including 3D)”
BST-003 “Measurement and analysis technology”
BST-004 “Radiation resistance”
BST-005 “Standardization”
BST-006 “Risk assessment”
BST-007 “Knowledge management”