Latest Events


United Kingdom, 22 Jul 2022, INES: 2

Automatic trip of both reactors following loss of off-site electric supplies

On the 22 July 2021 at 14:57, following failure of a National Grid transformer located offsite, Heysham 1 experienced a complete loss of 400kV power supplies. Both reactors were operating at nominal full power prior to the incident, and both tripped automatically. The back-up power supply...
Reported by Office for Nuclear Regulation (ONR) of United Kingdom on 01 Dec 2021 Last update on 01 Dec 2021


Spain, 20 Jul 2021, INES: 2

Overexposure of two workers

The dosimetry service of an industrial radiography facility identified that the TLD of two workers at this facility had exceeded the annual dose limit. The irradiation source was an Ir-192 gammagraph, in which the source got stuck during irradiation work. The first worker had received a dose of...
Reported by Consejo de Seguridad Nuclear (CSN) of Spain on 26 Nov 2021 Last update on 26 Nov 2021


United States of America, 06 Oct 2021, INES: 2

Worker Exceeded Annual Whole Body Dose Limit

A radiographer received approximately 0.093 Sv (9.3 rem) when a radiography source was unable to be retracted into an industrial radiography device. The radiographer handled the guide tube and collimator with the 3.367 TBq (91 Ci) Ir-192 source in an unshielded position. Dose reconstruction and...
Reported by Nuclear Regulatory Commission (NRC) of United States of America on 21 Oct 2021 Last update on 21 Oct 2021


United Kingdom, 11 Dec 2020, INES: 2

Hands skin exposure

The incident occurred at a radio-pharmacy facility used to produce Technetium-99m doses for medical purposes. One operator received a needle stick injury during the drawing of radiopharmaceutical doses from Technetium-99m elute stock. Dose estimates have been made based upon assumptions that were...
Reported by Office for Nuclear Regulation (ONR) of United Kingdom on 19 Oct 2021 Last update on 19 Oct 2021


Hungary, 23 May 2021, INES: 1

Failure of a defectoscope during industrial radiography test

The VOLVID PLC conducted gamma radiography to inspect welded joints at an industrial site of Borsodchem PLC at Kacincbarcika. The inspection was executed by a GammaMat SE device, containing a Category 3 Se-75 sealed radioactive source with 1,71 TBq activity. Upon competition of the inspection, the...
Reported by Hungarian Atomic Energy Authority of Hungary on 14 Sep 2021 Last update on 14 Sep 2021


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