Events


Events 1 - 10 of 11 Items per page:
Mexico, 20 Nov 2024, INES: 0

Fuel misplaced

On November 20, 2024, at around 15:00 hours, during the inspection carried out by IAEA safeguards personnel to perform the Criticality test of the MXA-TRIGA Mark III Reactor and verify its reactor configuration, it was detected that in position B-1 of ring B, which should be empty according to the...
Reported by Comision Nacional de Seguridad Nuclear y Salvaguardias of Mexico on 23 Nov 2024. Last update on 23 Nov 2024


United States of America, 15 Dec 2022, INES: 2

Worker Overexposure

From September through December of 2022, a radioisotope processing facility had an equipment malfunction that caused syringes filled with Fluorine-18 to miss a shielding container and fall to the floor during production. During this time, workers retrieved the syringes by hand and manually loaded...
Reported by Nuclear Regulatory Commission (NRC) of United States of America on 08 Nov 2024. Last update on 08 Nov 2024


Czech Republic, 11 Jan 2024, INES: 2

Unavailability of Reactor protection system of unit 3

Dukovany NPP is equipped by a digital Control and Protection system of Reactor. On January 11, 2024 Unit 3 of Dukovany NPP was a few days before refuelling outage, on stable operation on Power and Temperature effect with actual power 97 % Nnom, operation was in accordance with manuals. Routine...
Reported by State Office for Nuclear Safety of Czech Republic on 18 Oct 2024. Last update on 18 Oct 2024


Mexico, 20 Sep 2024, INES: 1

Theft of a nuclear gauge

On September 20, at approximately 16:51 (UTC-22.51), the theft of a CPN nuclear densimeter, model MC-1, serial number MD10700322, was reported to the CNSNS office, which contains the following radioactive sources: 1- Am-241/Be (with an activity today of 1.75 GBq) 2- Cs–137 (with an activity...
Reported by Comision Nacional de Seguridad Nuclear y Salvaguardias of Mexico on 23 Sep 2024. Last update on 10 Dec 2024


United States of America, 11 Dec 2023, INES: 2

Worker Exceeded Annual Dose Limit

On December 11, 2023, a pharmaceutical technician noted a pressure issue with a synthesis cell, which contained 11.29 GBq (305 mCi) of Fluorine-18. The pharmaceutical technician opened the synthesis cell and Fluorine-18 splashed onto their upper chest, neck, and underarm. The pharmaceutical...
Reported by Nuclear Regulatory Commission (NRC) of United States of America on 21 Aug 2024. Last update on 21 Aug 2024


Germany, 09 Mar 2023, INES: 3

Worker Exceeded Statuary Annual Whole Body Dose Limits

On 09.03.2023, an employee of a company carried out a weld inspection using an X-ray device. To align a workpiece to be tested, the worker left his workstation disregarding the radiation protection warning measures, which consist of a barrier rope, a flashing warning light and the warning signal of...
Reported by Gesellschaft für Anlagen und Reaktorsicherheit (GRS) mbH of Germany on 15 Aug 2024. Last update on 15 Aug 2024


Indonesia, 11 Jan 2024, INES: 1

Missing dangerous source during transport had been found

On 11 January 2024 around 18.00 hours local time, BAPETEN received notification of missing dangerous source during transportation of a gamma camera containing of Ir-192 (the activity of the source when the incident occurred was 1917,8 GBq/51,8 Ci) in Sub District Jambangan, Surabaya, East Java....
Reported by Nuclear Energy Regulatory Agency (BAPETEN) of Indonesia on 28 May 2024. Last update on 28 May 2024


United Kingdom, 15 Nov 2023, INES: 2

Partial loss of post-trip cooling

The planned reactor trip triggered switching of the reactor’s eight Gas Circulators' (GC) power supply from “nominal - 11kV” to “variable speed – 3.3kV”. The 3.3kV power supply is provided by four Variable Frequency Convertors (VFC) and four Variable Speed Drives (VSD). In this case two VFC failed...
Reported by Office for Nuclear Regulation (ONR) of United Kingdom on 29 Apr 2024. Last update on 29 Apr 2024


United States of America, 22 Feb 2024, INES: 2

Worker Exceeded Annual Extremity Dose Limit

An employee received a dose of 0.95 Sv (95 rem) to the extremities (hands) due to improper handling and response to an incident involving a damaged 85.1 MBq (2.3 mCi) Co-60 source. This dose was estimated by the Illinois Emergency Management Agency and confirmed by the licensee. The source was...
Reported by Nuclear Regulatory Commission (NRC) of United States of America on 17 Apr 2024. Last update on 17 Apr 2024


United Kingdom, 31 Dec 2019, INES: 2

Radon Exposure at Boarding School

The incident occurred at a private boarding school where pupils, employees and their children had been exposed to high levels of radon gas in the atmosphere. The two employees and their two children were exposed to the high radon gas levels as a result of working and living at the school. The...
Reported by Office for Nuclear Regulation (ONR) of United Kingdom on 26 Jan 2024. Last update on 26 Jan 2024


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