CONTENTS Technical and legal framework for decommissioning 1.1 Decommissioning challenges 1.2 The ASN decommissioning doctrine 1.2.1 Immediate dismantling 1.2.2 Post operational clean-out and achieving the final state 1.3 Decommissioning regulatory framework 1.4 The financing of decommissioning and radioactive waste management Situation of nuclear facilities undergoing decommissioning: specific challenges 2.1 Nuclear power reactors 2.1.1 Pressurised water nuclear power reactors 2.1.2 Nuclear power reactors other than Pressurised Water Reactors 2.2 Research facilities 2.2.1 Research laboratories 2.2.2 Research reactors 2.3 The front-end “nuclear fuel cycle” facilities 2.4 The back-end “nuclear fuel cycle” facilities 2.5 The support facilities (storage and processing of radioactive effluent and waste) ASN actions related to facilities being decommissioned: a graded approach 3.1 The graded approach according to the risks of the facilities 3.2 The periodic safety reviews of facilities undergoing decommissioning 3.3 Financing decommissioning: ASN’s opinion on the three-yearly reports Assessment of the licensees’ decommissioning strategies 4.1 Assessment of EDF’s decommissioning strategy 4.2 Assessment of Orano’s decommissioning strategy 4.3 Assessment of CEA’s decommissioning strategy Appendix: List of Basic Nuclear Installations undergoing decommissioning or delicensed as at 31 December 2023 1 p. 346 2p. 350 3p. 359 4p. 360 p. 362
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