Latest Events


France, 06 Mar 2023, INES: 2

Stress corrosion: presence of a deep crack on the safety injection system of reactor 1 of the Penly NPP

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. This update includes in...
Reported by Autorité de Sûreté Nucléaire (ASN) of France on 30 May 2023 Last update on 30 May 2023


France, 02 Feb 2023, INES: 2

External contamination of a worker leading to exceeding of the annual statutory dose limit

On 3 February 2023, ASN was notified by the Cattenom nuclear power plant licensee of a significant radiation protection event concerning the exceeding of an annual individual dose limit by an employee of an EDF contractor. On 2 February 2023, this worker was reinstalling thermal insulation on...
Reported by Autorité de Sûreté Nucléaire (ASN) of France on 03 Apr 2023 Last update on 03 Apr 2023


Mexico, 22 Mar 2023, INES: 1

Missing Dangerous Source at Salamanca, Guanajuato, Mexico.

On March 22, 2023 at approximately 11:00 a.m. (UTC-6), the theft of four industrial radiography devices with the following characteristics was reported to the CNSNS offices: 1. Brand: AEA Technology, model: DELTA 880, Serial No. D2810, which houses a radioactive source of Ir-192 with serial...
Reported by Comision Nacional de Seguridad Nuclear y Salvaguardias of Mexico on 30 Mar 2023 Last update on 30 Mar 2023


United States of America, 09 Mar 2023, INES: 2

Stolen Category 2 Source

On March 9, 2023, a radiography camera containing a 4.48 TBq (121 Ci) Ir-192 source was stolen from a licensee’s truck. The radiography crew left the job site to get food at a restaurant. The radiographers failed to set the alarm on the dark room of the truck and left the key for the transport box...
Reported by Nuclear Regulatory Commission (NRC) of United States of America on 15 Mar 2023 Last update on 15 Mar 2023


United States of America, 30 Sep 2022, INES: 2

Worker Exceeded Annual Whole Body Dose Limit

A nuclear medicine technologist received a whole body dose of approximately 0.113 Sv (11.3 rem) over the third quarter of 2022. The last seven years of dosimetry for this employee consistently show total annual occupational exposures at or near 10% of the annual limits. Employee’s job duties did...
Reported by Nuclear Regulatory Commission (NRC) of United States of America on 21 Feb 2023 Last update on 21 Feb 2023


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