Provence-Alpes-Côte d’Azur REGION The Marseille division regulates nuclear safety, radiation protection and the transport of radioactive substances in the 6 départements of the Provence-Alpes-Côte d’Azur region. In 2022, ASN carried out 131 inspections in the Provence-Alpes-Côte d’Azur region, comprising 63 inspections in BNIs, 63 in small‑scale nuclear activities, 2 in the transport of radioactive substances and 3 concerning organisations and laboratories approved by ASN. During 2022, 3 significant events rated level 1 on the INES scale were reported by the nuclear installation licensees, 1 of which related to on-site transport. In small-scale nuclear activities, 5 significant events rated level 1 on the INES scale were reported to ASN, 3 in the industrial sector and 2 in the medical sector. CADARACHE SITE CEA’s centre in Cadarache Created in 1959, the CEA Cadarache centre is situated in the municipality of Saint-Paul-lez-Durance in the Bouches‑du‑Rhône département and covers a surface area of 1,600 hectares. This site focuses its activity primarily on nuclear energy and, as concerns its civil installations in operation, on research and development to support and optimise the existing reactors and the design of newgeneration systems. A large part of the centre’s facilities are moreover involved in conducting the CEA’s strategy for decommissioning and management of radioactive materials and waste. The following BNIs are located on the site: • the Pégase‑Cascad installation (BNI 22); • the Cabri research reactor (BNI 24); • the Rapsodie research reactor (BNI 25); • the plutonium technology facility (ATPu – BNI 32); • the Solid Waste Treatment Station (STD – BNI 37-A); • the Active Effluent Treatment Station (STE – BNI 37-B); • the Masurca research reactor (BNI 39); • the Éole research reactor (BNI 42); • the enriched Uranium Processing Facilities (ATUe – BNI 52); • the Central Fissile Material Warehouse (MCMF – BNI 53); • the Chemical Purification Laboratory (LPC – BNI 54); • the High-Activity Laboratory LECA‑STAR (BNI 55); • the solid radioactive waste storage area (BNI 56); • the Phébus research reactor (BNI 92); • the Minerve research reactor (BNI 95); • the Laboratory for research and experimental fabrication of advanced nuclear fuels (Lefca – BNI 123); • the Chicade laboratory (BNI 156); • the Cedra storage facility (BNI 164); • the Magenta storage warehouse (BNI 169); • the Effluent advanced management and processing facility (Agate – BNI 171); • the Jules Horowitz Reactor (JHR – BNI 172), under construction. At the Cadarache centre, 10 installations are in final shutdown status, 10 are in operation and one is under construction. The CEA Cadarache centre operates numerous installations which vary in their nature and their safety implications. ASN has moreover started or is continuing the examination of the periodic safety review guidance files or the concluding reports for 14 of the 21 installations: Pégase‑Cascad, Cabri, STE, ATPu, Éole, MCMF, LPC, LECA-STAR, Phébus, Lefca, Minerve, Cedra, Magenta and Agate, and has issued its conclusions on the periodic safety review of Chicade and the STD. When examining these reports, ASN is particularly attentive to the robustness of the proposed and deployed action plans. It ensures that the installations are in conformity with the applicable regulations and that the risks and adverse effects are effectively controlled. Pégase‑Cascad facility – CEA centre The Pégase reactor (BNI 22) entered service on the Cadarache site in 1964 and was operated for about ten years. The CEA was authorised by a Decree of 17 April 1980 to reuse the Pégase facility for the storage of radioactive substances, in particular spent fuel elements stored in a pool. The Cascad facility, authorised by a Decree of 4 September 1989 modifying the Pégase facility and operated since 1990, remains in service, dedicated to the dry storage of irradiated fuel in wells. As part of the decommissioning preparation operations, the CEA submitted two authorisation application files to ASN in June 2021 concerning the setting up of the project for removal from storage of the araldite-encapsulated fuels of Pégase, for transfer to the Cascad facility, known by its French acronym “DECAP”. The DECAP project was authorised in August 2022 by resolution CODEP-DRC-2022-033330 (see chapter 13 of the full ASN Report – “Decommissioning of Basic Nuclear Installations”). In July 2022, as part of this project, the CEA also sent ASN a request for the acceptance of fuel cans 90 ABSTRACTS – ASN Report on the state of nuclear safety and radiation protection in France in 2022
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