LES ACTIVITÉS NUCLÉAIRES : RAYONNEMENTS IONISANTS ET RISQUES POUR LA SANTÉ ET L’ENVIRONNEMENT The experience acquired during these exercises should enable ASNR personnel to respond more effectively in real emergency situations. 3.2 Assessing with a view to improvement Assessment meetings are organised immediately after each exercise in each Emergency Response Centre and at ASNR a few weeks after the exercise. ASNR, along with the other players, endeavours to identify best practices and the areas for improvement brought to light during these exercises. These assessment meetings enable the players to share their experience through a participative approach. They more specifically revealed: ∙the importance of having scenarios that were as realistic as possible, in real meteorological conditions and that were technically complex enough to be able to provide useful experience feedback; ∙the importance of communication in an emergency situation, in particular to inform the public and foreign authorities as rapidly as possible and avoid the spread of rumours liable to hamper good emergency management, in France and in other countries; ∙the importance of providing decision-makers with a clear vision of the radiological consequences in the form of cartographic representations: the “Criter” tool developed by IRSN can be used to represent the results of environmental radioactivity measurements. 4 – Outlook One of the key reasons for the creation of ASNR on 1 January 2025 was the establishment of a unified emergency organisation, uniting the emergency duties of both ASN and IRSN. Thanks to the work started in early 2024 by ASN and IRSN, ASNR was able to set up an operational emergency organisation by 1 January 2025. Despite some difficulties, ASNR has been able to demonstrate, through the many exercises and real-life situations encountered during 2025, that this new organisation runs successfully. The emergency response organisation for situations affecting Defence-Related Nuclear Installations and Activities (IANID) and malicious acts has also evolved following the creation of ASNR and the transfer of expert staff from IRSN to ASND. At the beginning of 2025, ASNR and the Delegate for Nuclear Safety and Radiation Protection for Defence-related Activities and Facilities (DSND) drew up an agreement defining the organisational arrangements in emergency situations, the sharing of resources and the provision of skills for IANIDs. Thus, for situations affecting an IANID, ASNR provides the DSND, within its Emergency Response Centre, with a technical unit and expert personnel enabling the DSND to carry out assessments of accident situations affecting these installations. ASNR then assesses the potential consequences of these situations on the basis of the information provided by this technical unit. This setup was tested during the 2025 exercises. Operating Experience Feedback is currently being gathered in order to define possible changes to the agreement. In 2026, ASNR’s emergency organisation will continue to evolve to make it more effective and operational, through national and local exercises and by taking into account operational feedback from 2025. In addition to this important work, in 2026 ASNR will continue its other actions in the field of emergency management, by organising numerous inspections to test the operational effectiveness of emergency management at licensees, through situational exercises, and by continuing its work to improve the consistency of emergency management with its border counterparts. With regard to post-accident management, 2026 will see the finalisation of discussions with the SGDSN to establish a new Codirpa work programme and propose a new mandate for this committee for the coming years to the Prime Minister. ASNR Report on the state of nuclear safety and radiation protection in France in 2025 187 01 02 03 04 05 09 06 10 07 11 13 08 12 A / Z
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