Events


Events 1 - 10 of 20 Items per page:
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


France, 24 Aug 2021, INES: 2

External contamination of a worker leading to exceeding of the regulatory annual limit for the equivalent dose to the skin

On 27 August 2021, ASN (Autorité de Sûreté Nucléaire), the French nuclear regulator, was notified by the Cruas nuclear power plant licensee of a significant radiation protection event concerning the exceeding of an annual individual dose limit by an EDF employee. On 24 August 2021, two operators...
Reported by Autorité de Sûreté Nucléaire (ASN) of France on 07 Sep 2021. Last update on 07 Sep 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


United States of America, 11 Mar 2021, INES: 2

Overexposure to Worker

A radiographer was exposed to Ir-192 sources while working with industrial radiography cameras at a permanent fixed facility. The badge showed the individual involved received a dose of 0.07 Sv (7.2 rem). The radiographer potentially used different radiography cameras with different sources...
Reported by Nuclear Regulatory Commission (NRC) of United States of America on 17 Mar 2021. Last update on 17 Mar 2021


Hungary, 11 Feb 2021, INES: 1

Violation of OL&C in the Interim Spent Fuel Storage Facility at Paks

On the 11th of February 2021, the on duty operator realized that according to the Nitrogen Monitoring system, the pressure of the monitoring space no. 18/7 has decreased to 800 mbar (however it still has not reached the value described in OL&C). After consulting leaders it has been decided to...
Reported by Hungarian Atomic Energy Authority of Hungary on 17 Feb 2021. Last update on 17 Feb 2021


Mexico, 08 Feb 2021, INES: 1

Stolen Radioactive Source in Mexico on February 8 at some point of the road between Apaseo el Alto and Salamanca, Guanajuato.

On February 8, 2021, the CNSNS received a notification about the theft of a radiography camera (model DELTA 880). The camera was stolen when the radiographer was forced to pull over by criminals. The DELTA 880 camera serial number is D2766 and contains a category 2 radioactive source of...
Reported by Comision Nacional de Seguridad Nuclear y Salvaguardias of Mexico on 09 Feb 2021. Last update on 16 Feb 2021


Belgium, 27 Jan 2021, INES: 2

Research reactor power detectors outside OL&C

During production of medical isotopes, the reactor power measurement chains are displaced to ease this process. Due to this displacement of the power measurements detectors, the measurement range was below the limit of 90 % (which is the limit as described in the Technical Specifications of the...
Reported by Federal Agency for Nuclear Control (FANC) of Belgium on 02 Feb 2021. Last update on 02 Feb 2021


Pakistan, 09 Jan 2021, INES: 0

Grid Fluctuations at Chashma Nuclear Power Generating Station Affecting C-1, C-2, C-3 and C-4

On January 09, 2021, C-1, C-2, C-3 and C-4 situated at Chashma Nuclear Power Generating Station faced severe grid fluctuations during operation at around 2341 hrs due to country wide power breakdown. C-1, C-2 and C-4 tripped on 'Reactor Coolant Pump (RCP) Bus Under Frequency' while C-3 tripped on...
Reported by Pakistan Nuclear Regulatory Authority (PNRA) of Pakistan on 02 Mar 2021. Last update on 02 Mar 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


Finland, 10 Dec 2020, INES: 0

Nuclear Installation Event at OLKILUOTO-2

The INES classification is the same INES 0. This is just update of the event description. Situation at the Olkiluoto unit 2 was initiated 10-12-2020 10:22 UTC when hotter than normal water entered primary circuit water treatment system during maintenance work. The hot water caused breakdown of...
Reported by Radiation and Nuclear Safety Authority (STUK) of Finland on 10 Dec 2020. Last update on 11 Dec 2020


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