Events


Events 1 - 10 of 13 Items per page:
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


Mexico, 14 Feb 2023, INES: 0

Stolen Moisture and Density Testing Gauge

On February 15, 2023 (15:40 UTC), the CNSNS received a notification issued by the Licensee about the theft of a moisture and density testing gauge (Troxler model 3440) in Hermosillo, Sonora State. The theft took place when the personnel stopped at Aguascalientes Avenue, Hermosillo Sonora, leaving...
Reported by Comision Nacional de Seguridad Nuclear y Salvaguardias of Mexico on 15 Feb 2023. Last update on 17 Feb 2023


United States of America, 14 Dec 2022, INES: 2

Worker Exceeded Annual Whole Body Dose Limit

A radiographer received approximately 0.055 Sv (5.5 rem) when a radiograpy exposure was performed. The radiographer was between the source and the pipe being tested for approximately one minute. The distance from the 1.12 TBq (30.4 Ci) Co-60 source to the pipe was two feet. There were a total of...
Reported by Nuclear Regulatory Commission (NRC) of United States of America on 23 Dec 2022. Last update on 23 Dec 2022


France, 31 Oct 2022, INES: 2

Exposure of a worker in excess of the statutory dose limit

A worker was carrying out maintenance work close to an X-ray generator used to measure the thickness of steel sheets. The X-ray generator was operating while the maintenance work was in progress, whereas it should have been switched off in order to avoid all risk of accidental exposure of the...
Reported by Autorité de Sûreté Nucléaire (ASN) of France on 16 Dec 2022. Last update on 16 Dec 2022


United Kingdom, 25 May 2022, INES: 2

Exposure of a worker in excess of the statutory dose limit

The routine internal dosimetry monitoring programme identified an unexplained positive result for one worker. Extensive investigation, including bioassay data analysis and a detailed review of working circumstances and facility state, concluded that the worker received an internal (effective)...
Reported by Office for Nuclear Regulation (ONR) of United Kingdom on 19 Oct 2022. Last update on 19 Oct 2022


Hungary, 19 May 2021, INES: 2

Exposure of a worker over annual statutory dose limit

A radiography worker was performing radiographic testing with an ERESCO200 MF industrial X-ray machine. During the activity between two explosion the worker had to enter the explosion area and only when he returned to the X-ray machine he realized that the X-ray machine was not switched off. During...
Reported by Hungarian Atomic Energy Authority of Hungary on 20 Jul 2022. Last update on 20 Jul 2022


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