News releases

All the news about nuclear safety and radiation protection

440 news

Published on 14/03/2023 at 11:05

Stress corrosion, Penly nuclear power plant

On 6 March 2023, EDF sent ASN an update of its significant safety event notification concerning the presence of stress corrosion cracks on several of its reactors. This update concerns reactor 3 of the Cattenom NPP and the reactors of the Civaux, Chooz B and Penly NPPs.

Published on 26/01/2023 at 16:48

Irregularities in equipment manufacturing at Japan Steel Works

In May 2022, Japan Steel Works (JSW) published reports of irregularities in its Muroran plant in Japan, which mainly concerned turbines for thermal power stations. The irregularities consisted more specifically in the modification of chemical analysis results, residual stress measurements and hardness measurements.

Published on 11/01/2023 at 18:07

ASN-NRC Meeting

The ASN and NRC Commissions met at NRC Headquarters in Rockville (MD, USA) on 9 January 2023 to discuss regulatory priorities and topics of interest...

Published on 12/12/2022 at 14:41

Exposure of a worker in excess of the statutory dose limit

On 31 October 2022, ASN was informed by Aperam Stainless France of a significant radiation protection event which had occurred on 28 October 2022 on its Gueugnon site , concerning the accidental exposure of a worker to ionising radiation.

Published on 07/11/2022 at 11:19

Cattenom NPP reactor 1: Two welds need to be repaired before it can be restarted

During its treatment of the stress corrosion (SC) phenomenon affecting several of its reactors, and in accordance with the strategy it had proposed, EDF carried out inspections on the piping of the Cattenom NPP reactor 1 safety injection system. These inspections, which were carried out close to the welds liable to be the most severely affected, revealed indications that could be attributed to SC cracking. Two of them were of significant dimensions, with maximum depths of 4.7 and 6.1 mm.

Published on 17/10/2022 at 10:37

Management of the long-term consequences of a nuclear accident

In order to consolidate national strategy regarding the management of the long-term consequences of a nuclear accident, in 2005 the Prime Minister tasked a pluralistic committee, the Codirpa (Post-accident phase steering committee) with submitting proposals to the Government.

Published on 07/10/2022 at 15:51

Laue-Langevin Institute (ILL): periodic safety review report

ASN analysed the periodic safety review concluding report (RCR) for basic nuclear installation (BNI) 67, called the High-Flux Reactor (RHF), operated by Laue-Langevin Institute (ILL) on the Grenoble site (Isère départment).

Published on 07/10/2022 at 15:34

Aube Repository: periodic safety review report

ASN analysed the periodic safety review concluding report (RCR) for basic nuclear installation (BNI) 149 called the Aube Repository (CSA), operated by the French National Radioactive Waste Management Agency (Andra) on the Soulaines‑Dhuys site (Aube département)