Abstracts ASN Report 2019
systematically. ASN will focus on this point in 2020, notably through “explanatory” interview methods, during which the inspectors invite the personnel to discuss their experiences and their day-to-day working conditions. א ِ ו ¨ƺȸɀȒȇȇƺǼ ȸƏƳǣƏɎǣȒȇ ȵȸȒɎƺƬɎǣȒȇ א ِ ו ِ xȒȇǣɎȒȸǣȇǕ Ȓǔ ȵƺȸɀȒȇȇƺǼ ȸƏƳǣƏɎǣȒȇ ȵȸȒɎƺƬɎǣȒȇ Exposure to ionising radiation in a nuclear power reactor comes primarily from the activation of corrosion products in the primary system and fission products in the fuel. All types of radiation are present (neutrons, _ , ` and a ), with a risk of internal and external ĸŋŃłņňŅĸє Ł ŃŅĴĶŇļĶĸё ŀłŅĸ ŇĻĴŁ ӌӃՌ łĹ ŇĻĸ ķłņĸņ ŅĸĶĸļʼnĸķ Ķłŀĸ from external exposure to ` and a radiation. Exposure is primarily linked to maintenance operations during reactor outages. ASN monitors compliance with the regulations relative to the protection of workers liable to be exposed to ionising radiation in NPPs. In this respect, ASN is attentive to all the workers on ŇĻĸ ņļŇĸņё ĵłŇĻ ŃĸŅņłŁŁĸĿ ĴŁķ ŇĻłņĸ łĹ ĶłŁŇŅĴĶŇłŅņє This oversight is carried out during inspections (specifically on the topic of radiation protection, one to two times per year and per site, during reactor outages, following incidents, or more GRAPH 3 Liquid radioactive discharges for the NPPs in 2019 (per pair of reactors) 0 10 20 30 40 50 60 70 80 0 10 20 30 40 50 60 70 80 Blayais/2 ɖǕƺɵٖ א !ǝǣȇȒȇٖ א !ȸɖƏɀ ٮ xƺɵɀɀƺٖ א (Əȅȵǣƺȸȸƺ ٮ ƺȇ ٮ ɖȸǼɵٖ א Iƺɀɀƺȇǝƺǣȅ JȸƏɮƺǼǣȇƺɀٖ ב ³ƏǣȇɎ ٮ nƏɖȸƺȇɎ ٮ Ƴƺɀ ٮ 0Əɖɴ ÁȸǣƬƏɀɎǣȇٖ א ƺǼǼƺɮǣǼǼƺ ٮ ɀɖȸ ٮ nȒǣȸƺ Cattenom/2 IǼƏȅƏȇɮǣǼǼƺ JȒǼǔƺƬǝ zȒǕƺȇɎ ٮ ɀɖȸ ٮ ³ƺǣȇƺ ¨ƏǼɖƺǼٖ א Penly ³ƏǣȇɎ ٮ ǼƫƏȇ !ǝȒȒɿ !ǣɮƏɖɴ ƬɎǣɮǣɎɵ ƳǣɀƬǝƏȸǕƺƳ ÁȸǣɎǣɖȅ ٢Á ȷ٣ zȒȇ ٮ ÁȸǣɎǣɖȅ ٢J ȷ٣ GRAPH 4 Gaseous radioactive discharges for the NPPs in 2019 (per pair of reactors) 0 1 2 3 4 Activity discharged Gases (TBq) Halogens and aerosols (GBq) Blayais/2 Bugey/2 Chinon/2 Cruas-Meysse/2 Dampierre-en-Burly/2 Fessenheim Gravelines/3 Saint-Laurent-des-Eaux Tricastin/2 Belleville-sur-Loire Cattenom/2 Flamanville Golfech Nogent-sur-Seine Paluel/2 Penly Saint-Alban Chooz Civaux 0 0,04 0,08 0,12 0,16 As there can be a different number of reactors on each site, the results are given “per pair of reactors”, to enable a comparison to be made ǔȸȒȅ Ȓȇƺ ɀǣɎƺ ɎȒ ƏȇȒɎǝƺȸِ Áǝǣɀ ǔȒȸ ƺɴƏȅȵǼƺ ȅƺƏȇɀ ڙى ي ǸƺƺȵǣȇǕ Ɏǝƺ ȸƺɀɖǼɎɀ Əɀ Ɏǝƺɵ Əȸƺ ǔȒȸ Ɏǝƺ JȒǼǔƺƬǝ ɀǣɎƺً ɯǝǣƬǝ ǝƏɀ ɎɯȒ ȸƺƏƬɎȒȸɀٕ ڙى ƳǣɮǣƳǣȇǕ ƫɵ ɎɯȒ ɎǝȒɀƺ Ȓǔ !ǝǣȇȒȇً ɯǝǣƬǝ ǝƏɀ ǔȒɖȸ ȸƺƏƬɎȒȸɀ ٢!ǝǣȇȒȇٖ א ٣ٕ ڙى ƳǣɮǣƳǣȇǕ ƫɵ Ɏǝȸƺƺ ɎǝȒɀƺ Ȓǔ JȸƏɮƺǼǣȇƺɀً ɯǝǣƬǝ ǝƏɀ ɀǣɴ ȸƺƏƬɎȒȸɀ ٢JȸƏɮƺǼǣȇƺɀٖ ב ٣ِ Moreover, the discharge data for each site, sent to ASN by EDF, are not representative of the operating time of the facilities or activities. ASN Report on the state of nuclear safety and radiation protection in France in 2019 299 ٲ THE EDF NUCLEAR POWER PLANTS 10
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