ASNR considers that the analysis and verification programme planned by EDF needs to be supplemented. In particular, EDF must: • Carry out an in-depth diagnosis of the performance of its reactor systems designed to reduce water intake as well as discharges of chemical and radioactive effluent into the environment. Where applicable, EDF must identify the actions needed to restore expected system performance and maintain it over time. • Analyse its operating practices in terms of water intake and discharges, taking into account, in particular, the latest available data on hydro-climatic changes and specific water resource issues. EDF must specify the improvements that it plans to make to help reduce the environmental impact of its facilities in light of the conclusions of this analysis and the best available techniques. In addition, ASNR asks EDF to consolidate the environmental impact assessment in the form currently provided for in the French Environment Code. These different points are subject to requirements in ASNR’s decision. The ASNR’s decision What measures are planned by EDF? As with the 900 MWe reactors, the generic phase of the review made it possible to define the actions to be implemented for each reactor in order to review the management of environmental impacts. EDF has thus defined the scope of the checks and studies to be carried out, for example with respect to the chemical and radiological condition of the soil at each reactor. Protection of the environment How can environmental protection be improved? The normal operation of nuclear power plants has an impact on the environment. This includes, in particular, water intakes, effluent discharge and harmful effects such as noise, vibrations, dust emissions, odours, the dispersion of pathogenic microorganisms and the production of waste. Environmental impacts are specific to each site. Conditions for the continued operation of 1,300 MWe reactors beyond 40 years • 21
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