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Publications and Reports
Features, Events and Processes (FEPs) for Geologic Disposal of Radioactive Waste

DOI: 10.1787/9789264187511-en

Safety assessments of disposal sites for radioactive waste involve analyses of potential releases of radionuclides from the disposed waste and subsequent transport to th...

English Deep geological repository (DGR) PAAG Radioactive waste management RWMC Databases Safety assessment Geological disposal Features events and processes (FEPs) …
Published date: 2 June 2025
NEA Document
International Features, Events and Processes (IFEP) List for the Deep Geological Disposal of Radioactive Waste
NEA/RWM/R(2024)2

The Nuclear Energy Agency’s (NEA) Integration Group for the Safety Case (IGSC) and its predecessor, the Performance Assessment Advisory Group (PAAG), have carried out activities related to the compil...

English Safety provisions of radioactive waste management Deep geological repository (DGR) Disposal RWMC IGSC Radioactive waste Safety case Radioactive waste management FEPs Features events and processes (FEPs) …
Published date: 8 November 2024
NEA Document
The Nuclear Waste Management Organization of Japan’s Pre-siting Safety Case Based on the Site Descriptive Model: An International Peer Review of the NUMO Safety Case
NEA/RWM/R(2022)2

Following a safety-oriented, stepwise procedure for geological repository siting, the Nuclear Waste Management Organization of Japan (NUMO) requested in 2021 that the NEA facilitate an independent in...

English Peer review Deep geological repository (DGR) High-level waste (HLW) Japan Radioactive waste management RWMC Radioactive waste Safety case Geological disposal Features events and processes (FEPs) …
Published date: 19 January 2023
Activity
Integration Group for the Safety Case (IGSC): Safety Assessment Strategy and Tool

IGSC activities in the field of Assessment Strategy and Tool evaluate effective assessment tools and strategies in developing and integrating a safety case.

Radioactive waste management Deep geological repository (DGR) Scenario FEPs MeSA IGSC Geological disposal Features events and processes (FEPs) …
Published date: 16 February 2021
NEA Document
International Features, Events and Processes (IFEP) List for the Deep Geological Disposal of Radioactive Waste Version 3.0
NEA/RWM/R(2019)1

Version 3.0 of the International Features, Events and Processes (IFEP) List for the Deep Geological Disposal of Radioactive Waste. This is a comprehensive and structured list of generic FEPs, relevan...

English Safety provisions of radioactive waste management Deep geological repository (DGR) Radioactive waste management Disposal RWMC IGSC Radioactive waste Safety case Radioactive waste management FEPs Features events and processes (FEPs) …
Published date: 18 February 2019
NEA Document
Updating the NEA International FEP List – An IGSC Technical Note – TN2: Proposed Revisions to the NEA International FEP List
NEA/RWM/R(2013)8

This Technical Note makes proposals for revisions to the NEA International FEP List in light of the review of the project-specific FEP lists recently developed (i.e. since 2006) by organisations asse...

English FEPs RWMC IGSC Safety assessment Geological disposal Features events and processes (FEPs) …
Published date: 13 January 2014
NEA Document
Updating the NEA International FEP List – An IGSC Technical Note – TN1: Identification and Review of Recent Project-Specific FEP Lists
NEA/RWM/R(2013)7

This Technical Note reviews the relevant project-specific FEP lists recently developed (i.e. since 2006) by organisations assessing the post-closure safety of the deep disposal of radioactive waste. ...

English FEPs RWMC IGSC Safety assessment Geological disposal Safety case Features events and processes (FEPs) …
Published date: 19 December 2013
Other
Summary Record of the Topical Session of the 8th Meeting of the IGSC

Summary record extracted from NEA/RWM/IGSC(2006)5 concerning recent progress and new methods of handling FEPs in the safety case.

FEPs IGSC Safety case Features events and processes (FEPs)
Published date: 26 October 2006
Other
NEA FEP Database 1.0

This database in 2000 included the first public version of the IFEP List (i.e. IFEP List 1.0) and 8 PFEP Lists. More information is available on the webpage of NEA FEP Database.

Safety provisions of radioactive waste management Deep geological repository (DGR) IGSC Features events and processes (FEPs)
Published date: 1 January 2000
Other
NEA FEP Database 2.0

This database in 2006 included the IFEP List 1.0 and 11 PFEP Lists. More information is available on the webpage of NEA FEP Database.

Safety provisions of radioactive waste management Deep geological repository (DGR) IGSC Features events and processes (FEPs)
Published date: 1 January 2000