Latest Events

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

Mexico, 04 Jan 2024, INES: 0

Declaration of Unusual Event (NUP-4.1)

On January 4, 2024, the Unit 1 was operating at 100% power. At 09:00 (local time) the steam tunnel cooling unit “1-RRA-FC-009A” was started due to equipment rotation resulting in the loss of energy in the Motor Control Center (MCC) “1-R31-MCC-1BA-AA” with the failure of the electrical protection of...
Reported by Comision Nacional de Seguridad Nuclear y Salvaguardias of Mexico on 12 Jan 2024 Last update on 12 Jan 2024

United States of America, 26 Sep 2023, INES: 2

Worker Exceeded Annual Whole Body Dose Limit

A radiography trainee received a dose of 0.075 Sv (7.50 rem) to the whole body and 0.258 Sv (25.8 rem) to the extremities due to a disconnected 2.33 TBq (63 Ci) Ir-192 source. This dose was determined through reconstruction of the event and dose calculations. The trainee did not wear his dosimetry...
Reported by Nuclear Regulatory Commission (NRC) of United States of America on 07 Dec 2023 Last update on 07 Dec 2023

Germany, 24 Sep 2023, INES: 2

Worker Exceeded Statuary Annual Whole Body Dose Limits

On 24.09.2023, an employee of a company carried out a weld inspection in a radiation protection bunker using an X-ray device. After the measurement, the employee – who is also the radiation protection officer - went into the bunker to carry out further work. After completing the work inside the...
Reported by Gesellschaft für Anlagen und Reaktorsicherheit (GRS) mbH of Germany on 08 Nov 2023 Last update on 08 Nov 2023

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