Since 2018, an on-call duty system reinforces the robustness and the mobilisation and intervention reactivity of the ASN staff. Diagram 2 (see page 175) summarises the role of ASN in a nuclear emergency situation. This functional diagram illustrates the importance of the ASN representative to the Prefect, who relays and explains the recommendations coming from the ASN Emergency Centre. Table 1 shows the positions of the public authorities (Government, ASN and technical experts) and the licensees in a radiological emergency situation. These players each operate in their respective fields of competence with regard to assessment, decision-making, intervention and communication, for which regular audio-conferences are held. The exchanges between the players lead to decisions and orientations concerning the safety of the facility and the protection of the general public. Similarly, relations between the communication units and the spokespersons of the emergency centres ensure that the public and media are given coherent information. 3 Learning from experience 3.1 CARRYING OUT EXERCISES The main aim of these nuclear and radiological emergency exercises is to test the planned response in the event of a radiological emergency, in order: ∙ to measure the level of preparedness of all the entities involved (safety Authorities, technical experts, licensees); ∙ to ensure that the plans are kept up to date, that they are wellknown to those in charge and to the participants at all levels and that the alert and coordination procedures they contain are effective; ∙ to train those who would be involved in such a situation; ∙ to implement the various aspects of the organisation and the procedures set out in the Interministerial Directives: the emergency plans, the contingency plans, the local safeguard plans and the various conventions; ∙ to contribute to informing the media and to develop a general public information approach so that everyone can, through their own individual behaviour, contribute to civil protection; ∙ to build on emergency situation management knowledge and experience. These exercises, which are scheduled by an annual interministerial instruction, involve the licensee, the Ministries, the offices of the Prefects and services of the départements, ASN, the Defence Nuclear Safety Authority (ASND), IRSN and Météo-France, which can represent up to 300 people when resources are deployed in the field. They aim to test the effectiveness of the provisions made for assessing the situation, the ability to bring the installation or the package to a safe condition, to take appropriate measures to protect the general public and to ensure satisfactory communication with the media and the populations concerned. 3.1.1 National nuclear and radiological emergency exercises In the same way as in previous years, and together with the SGDSN, the DGSCGC and the ASND, ASN prepared a programme of national nuclear and radiological emergency exercises for 2023, concerning BNIs and the transport of radioactive substances. This programme was announced to the Prefects in the interministerial instruction of 17 January 2023. TABLE National nuclear and radiological emergency exercises conducted in 2023 NUCLEAR SITE DATES OF EXERCISE MAIN CHARACTERISTICS FBFC, Framatome (Romans-sur-Isère – 26) 1 and 2 March • Addressing chemical and radiological hazards • Decision-making process, dispatch of ASN inspectors to the affected site • Consideration of OEF from the 2022 incident Orano TN (11) 13 April • Coordination with transport stakeholders • Feedback of transmission from the field Istres naval base (13) 10 and 11 May • Interfacing with ASND and simulated media pressure • Recommendations for post-accident management EDF Saint-Laurent-des-Eaux NPP (41) 23 and 24 May • Decision-making process and simulated media pressure • ASN inspectors dispatched to the affected site EDF Golfech NPP (82) 7 and 8 June • Decision-making process and simulated media pressure • ASN inspectors dispatched to the affected site CEA Saclay centre (91) 22 and 23 June • ASN inspectors dispatched to the affected site EDF Chooz NPP (08) 12 and 13 September • Exchange of information with neighbouring country • ASN inspectors dispatched to the affected site Institut Laue Langevin research reactor (38) 9 November • Transmission of data from the facility • Decision-making process and simulated media pressure Toulon naval base (13) 22 and 23 November • Decision-making process and simulated media pressure EDF Nogent-sur-Seine NPP (10) 23 and 24 November • Decision-making process and simulated media pressure • ASN inspectors dispatched to the affected site Orano Melox site (30) 6 and 7 December • Consideration of alpha particle releases • Decision-making process and simulated media pressure 2 ASN Report on the state of nuclear safety and radiation protection in France in 2023 177 • 04 • Radiological emergency and post-accident situations 04 05 15 08 11 14 06 07 13 AP 03 10 02 09 12 01
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