VALDUC Storage Military tritiated waste storage building BUGEY BNI 173 Conditioning and storage Activated waste conditioning and storage facility (Iceda) TRICASTIN BNI 138 Processing Clean-out and uranium recovery facility (IARU – formerly Socatri) MARCOULE BNI 177 Storage Irradiating or alpha waste from decommissioning (Diadem) DBNI (5) Processing and conditioning CDS DBNI (5) Processing and conditioning STEMA BNI 160 Processing and conditioning Low-level waste processing and packaging centre (Centraco) CADARACHE BNI 171 Processing Advanced effluent management and treatment facility (Agate) BNI 164 Storage Radioactive waste conditioning and storage facility (Cedra) BNI 37-A Treatment and conditioning Solid Waste Treatment Station (STD) ICPE (4) Conditioning and storage Rotonde CONDITIONING Conditioning is the operation which consists in placing the waste in a container suited to its level of radioactivity and lifetime and if necessary, immobilising it in a blocking or encapsulating material. The most widely used of these processes are cementation, encapsulation with bitumen or polymer resins, and vitrification. PROCESSING Radioactive waste must be processed prior to safe final disposal. This processing comprises the collection and sorting of the waste, reduction of its volume and modification of its chemical composition and physical properties, for example by concentrating liquid waste, and finally conditioning to immobilise it in a packaging before storage and final disposal. STORAGE The storage of radioactive materials or waste consists in placing these substances for a temporary period in a surface or near-surface storage facility specially fitted out for the purpose, with the aim of subsequently retrieving them. Waste is stored on the sites in specific facilities before being sent to disposal routes*. DISPOSAL Disposal in a deep geological formation enables the high level, long-lived (HLW-LL) waste to be definitively placed in a site guaranteeing its containment*, while keeping the option of recovering it should it prove necessary or opportune (this is the concept of “reversibility*”). The other waste categories, which are less dangerous, can be disposed of in surface repositories (CSA) or near-surface repositories (disposal facility planned for LLW-LL waste). 4. Installation Classified for Protection of the Environment. 5. Defence Basic Nuclear Installation. Radioactive waste • 15
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