Orano - Annual Activity Report 2024 198 4 SUSTAINABILITY STATEMENT Social and societal information A health service supporting the group’s initiatives In order to prepare for any national or international accident-related actions, the SSRP (Health, Occupational Safety and Radiation Protection) department actively participates in the FINA (Orano National Intervention Force) with pilot initiatives of the health teams on the Tricastin site. The nurse coordinators have all taken the crisis management training. In addition, the nurse coordinator of the Tricastin SPST benefited from university-level training in this topic. Throughout the year, the Orano Health and Occupational Prevention Service oversees monthly awareness campaigns with the Communication Department, such as: Pink October on breast cancer, Movember around male cancers, awareness of endometriosis screening, etc. It also participates in partnership actions related to the subject of cancer (CAMI race, children without cancer organized by the association Imagine for Margo, La Châtillonnaise race, etc.). At a time when cancer is an ever-present reality in our personal and professional environment, the group has decided to take steps to support its employees in the workplace, in order to improve monitoring, encourage the adoption of health-promoting behaviors and improve support for employees diagnosed with cancer. As such, Orano signed the Working with Cancer (WWC) Charter in November 2024. This signature is part of the group’s desire to roll out support and prevention actions for all employees in the 17 countries where the group operates. As part of this charter, Orano aims to strengthen its prevention and support measures for employees facing cancer. Occupational safety and radiation protection Occupational safety principles The group aims to reduce the number of workplace accidents and their severity for employees and external workers. This is based on a solid safety culture, including a systematic analysis of risks and the application of the anchors and standards defined by the group. Orano has developed five safety anchors to be respected to prevent employees and subcontractors from exposing themselves to serious or fatal risks. These anchors or “rules that save” are associated with obligations and prohibitions that structure the actions. They are used in managerial practices. Any accident or event is analyzed to identify its root causes and implement an appropriate action plan. It is systematically rated according to its severity potential (HIPO rating from 1 to 5) and possibly linked to an anchoring. Orano is vigilant in training its employees and those of external companies on safety and radiation protection aspects. Any employee from an external company working at an Orano facility is trained in the facility’s risks and safety rules. If they work in a demarcated zone for radiation, they must have completed the appropriate training. Particular attention is paid to taking into account feedback and the cross-functional sharing of these lessons through the processing of events or weak signals with high potential for seriousness in the Security Analysis and Feedback Committee (CAP-REX). Intervention principles in a radiological environment The risk of exposure to radiation is inherent to nuclear activities. To carry out their activities in the group’s facilities and those of their customers, in France and abroad, Orano employees and employees of external companies benefit from prevention and protection systems against radiation and undergo dosimetry monitoring adapted to the mode of exposure. Operations in a radiological environment follow the fundamental principles of radiation protection: ● justifying practices: the use of radiation is justified when the benefit it can provide is greater than the disadvantages it can cause; ● optimizing exposure: equipment, processes and work organization are designed in such a way that individual and collective exposures are kept as low as reasonably achievable taking into account the state of technology and economic and societal factors (ALARA principle); and ● limiting individual doses: dose limits not to be exceeded are set to ensure that no deterministic effects occur and that the probability of stochastic effects appearing remains at a tolerable level given the economic and societal context. In Orano facilities, reducing exposure to radiation is built into the design of the facilities. The measures taken in designated radiation areas aim to maintain the most “radiologically clean” working environment possible and to protect workers from the radiation emitted in the facilities. The radiological protection provisions and the level of personnel monitoring are the same for all exposed workers in accordance with the application of the principle of fairness, which consists of ensuring an equitable distribution of individual doses in order to minimize dosimetric differences between workers. In order to limit as far as possible the dose received by workers in designated radiation areas, an in-depth study of the conditions of intervention and assessment of the dose forecasts before operation is carried out with, for example, an adaptation of the duration of exposure, protective screens, integration of physiological constraints related to the wearing of personal protective equipment (PPE) and the working environment. As part of the control of dosimetry, Orano remains attentive to situations that would lead to effective doses exceeding the internal alert criterion of 14 millisieverts (mSv) by requiring a systematic analysis of these situations in the Nuclear and Industrial Safety – Health – Occupational Safety – Radiation protection – Environment Policy. This analysis ensures the implementation of actions compatible with the activities of the facilities in application of the principle of optimization of radiation protection (ALARA). The French regulations concerning the dosimetry of the lens of the eye have changed significantly following the transposition of the EURATOM 2013/59 directive into the French Labor Code. The exposure limit value for the lens of the eye was gradually lowered to 20 mSv over 12 months on July 1, 2023. The lens of the eye dosimetry issues were taken into account at the sites concerned and appropriate monitoring was deployed.
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