Les cahiers de l'ASN #06

Activities: storage Type of waste: intermediate-level long-lived (ILW-LL) Licensee: Alternative Energies and Atomic Energy Commission (CEA) Location: Saint-Paul-lez-Durance (Bouches-du-Rhône département) Commissioned: 2006 Since 2006, the purpose of the “radioactive waste conditioning and storage” facility (Cedra – BNI* 164) has been the storage of ILW-LL waste, pending the opening of appropriate disposal routes*. Cedra stores radioactive waste from CEA’s research laboratories. The site is running a serious risk of saturation: CEA anticipates saturation of the facility by about 2030. Studies on a project to increase Cedra’s storage capacity began in 2020. Cedra Activities: storage Type of waste: low-level long-lived (LLW-LL) Licensee: Orano Chimie-Enrichissement Location: Narbonne (Aude département) Commissioned: 2018 The “Contained storage of conversion residues” facility (Écrin – BNI 175) is located on a base of mining waste rock and treatment residues from a former sulphur mine. It consists of two storage ponds for the used sludges (ponds B1 and B2) from the Orano Chimie-Enrichissement plant (formerly Orano Cycle) at Malvési. The site is authorised to store radioactive waste for a period of 30 years, with a waste volume limited to 400,000 m3, and contains radioactive waste produced during the refining and conversion of uranium concentrates in the Orano Chimie‑Enrichissement plant at Malvési, already contained in ponds B1 and B2, along with the solid residues from the drainage of ponds B5 and B6. Écrin Radioactive waste • 21

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