ASN Report 2017

385 ASN report on the state of nuclear safety and radiation protection in France in 2017 Chapter 13  - Nuclear fuel cycle installations These gaseous effluents are processed by scrubbing in a gas treatment unit. Residual radioactive gases, in particular krypton and tritium, are checked before being released into the atmosphere. The liquid effluents are processed and generally recycled. After verification and in accordance with the discharge limits, certain radionuclides, such as iodine and tritium, are sent to the marine outfall pipe. The others are sent to on-site conditioning units (solid glass or bitumen matrix). 1.2.2 Oversight of the La Hague plants Examination of the periodic safety review files In 2008, ASN examined the conclusions of the periodic safety review of BNI 118 which includes the Effluent Treatment Station (STE3), the Solvents Mineralisation Facility (MDS/B) and the sea discharge pipe. ASN observes that, on the whole, Areva NC is late in meeting its undertakings resulting from this periodic safety review, in particular concerning the performance of conformity examinations on the facility and the processing of legacy waste. The licensee sent ASN a report following a new periodic safety review of this facility in November 2017. FUNDAMENTALS The installations at La Hague Shut down installations undergoing decommissioning: ཛྷ ཛྷ BNI 80: Oxide High Activity facility (HAO) -- HAO/North: Facility for underwater unloading and spent fuel storage -- HAO/South: Facility for shearing and dissolving of spent fuel elements ཛྷ ཛྷ BNI 33: UP2-400 facility, first reprocessing unit -- HA/DE: Facility for separation of uranium and plutonium from fission products -- HAPF/SPF (1 to 3): Facility for fission product concentration and storage -- MAU: Facility for uranium and plutonium separation, uranium purification and storage in the form of uranyl nitrate -- MAPu: Facility for purification, conversion to oxide and initial packaging of plutonium oxide -- LCC: Central product quality control laboratory -- ACR: Resins packaging facility ཛྷ ཛྷ BNI 38: STE2 facility: Collection, treatment of effluents and storage of precipitation sludge, and AT1 facility, prototype installation currently being decommissioned ཛྷ ཛྷ BNI 47: ELAN II B facility, CEA research installation currently being decommissioned Installations in operation: ཛྷ ཛྷ BNI 116: UP3-A plant -- T0: Facility for dry unloading of spent fuel elements -- D and E pools: Pools for storage of spent fuel elements -- T1: Facility for shearing of fuel elements, dissolving and clarification of solutions obtained -- T2: Facility for separation of uranium, plutonium and fission products, and concentration/storage of fission product solutions -- T3/T5: Facilities for purification and storage of uranyl nitrate -- T4: Facility for purification, conversion to oxide and packaging of plutonium -- T7: Facility for vitrification of fission products -- BSI: Facility for plutonium oxide storage -- BC: Plant control room, reagent distribution facility and process control laboratories -- ACC: Hull and end-piece compaction facilities -- AD2: Technological waste packaging facility -- ADT: Waste transit area -- EDS: Solid waste storage area -- D/E EDS: Storage/removal from storage of solid waste -- ECC: Facilities for storage and recovery of technological waste and packaged structures -- E/EV South-East: Vitrified waste storage facility -- E/EV/LH and E/EV/LH 2: Extension of vitrified residues storage capacity ཛྷ ཛྷ BNI 117: UP2-800 facility -- NPH: Facility for underwater unloading and storage of spent fuel elements in pool -- C pool: Pool for storage of spent fuel elements -- R1: Fuel elements shearing, dissolving and resulting solutions clarification facility (including the URP: Plutonium Re-dissolution Facility) -- R2: Uranium, plutonium and fission product separation, and fission product solution concentration facility (including the UCD: alpha waste centralised processing unit) -- R4: Facility for purification, conversion to oxide and initial packaging of plutonium oxide -- SPF (4, 5, 6): Facilities for storage of fission products -- BST1: Facility for secondary packaging and storage of plutonium oxide -- R7: Facility for vitrification of fission products -- AML - AMEC: Packaging reception and maintenance facilities ཛྷ ཛྷ BNI 118: STE3 facility: Effluent recovery and treatment and storage of bituminised waste packages -- D/E EB: Storage of alpha waste -- MDS/b: mineralisation of solvent waste