Events


Events 1 - 25 of 25 Items per page:
Mexico, 16 Oct 2017, INES: 1

Stolen and recovered radioagraphy camera

On October 16th, 2017, at 10:00 hours UTC-6, The Comision Nacional de Seguridad Nuclear y Salvaguardias (the regulatory body) received a notification from a licensee that at 07:40 UTC-6, of the same day, a camera (SPEC 150 serial number 2295) containing an active source of 0.3 Ci of Ir-192 was...
Reported by Comision Nacional de Seguridad Nuclear y Salvaguardias of Mexico on 19 Oct 2017. Last update on 19 Oct 2017


France, 02 Aug 2017, INES: 2

Risk of loss of heat sink in case of an earthquake - 20 reactors concerned

In the event of an earthquake, a potential rupture of pipes from the water supply systems of the fire protection network (JPP circuit) and raw water filtration (SFI or CFI circuit) would flood the engines of the pumps from the raw water system (SEC), leading to the inoperability of the heat...
Reported by Autorité de Sûreté Nucléaire (ASN) of France on 16 Oct 2017. Last update on 16 Oct 2017


Australia, 22 Aug 2017, INES: 3

Exposure to Hands of Quality Control Analyst

A QC analyst, according to routine procedure, attempted to de-cap a crimped seal of a vial containing 4.5GBq of Mo-99 in a volume of 0.6ml of liquid. The vial was accidently dropped within the fume cupboard and splashed onto the gloves of the analyst. The analyst was wearing two pair of gloves and...
Reported by Australian Radiation Protection and Nuclear Safety Agency of Australia on 03 Oct 2017. Last update on 03 Oct 2017


France, 18 Aug 2017, INES: 2

Insufficient seismic resistance of a part of the canal embankment along the Tricastin NPP

Tricastin NPP is located at the immediate border of the Donzère-Mondragon canal. The NPP base level is situated 6 meters under the normal operation level of the canal. After the Fukushima Daiichi accident, ASN has requested EDF to conduct supplementary assessment of the canal embankment and any...
Reported by Autorité de Sûreté Nucléaire (ASN) of France on 28 Sep 2017. Last update on 28 Sep 2017


Sweden, 21 Sep 2017, INES: 2

Contamination event at research facility

On the 21 of September 2017 an event occured at Studsvik Nuclear AB in Sweden (SNAB). In the hot cell laboratory (HCL) the fire alarm was trigged accidentally and inergen gas was pressed into the cells in the cell line. This, in return, pushed contaminated air out from the cells. The contaminated...
Reported by Swedish Radiation Safety Authority of Sweden on 26 Sep 2017. Last update on 27 Sep 2017


Mexico, 01 Aug 2017, INES: 1

Stolen radioactive material

A portable CPN moisture/density gauge, Model #MC1, containing two sealed sources of radioactive material was stolen at approximately 16:20 hours (UTC-6) on August 1st, 2017, in San Nicolas de los Garza, Nuevo Leon, Mexico. The gauge contains approximately 209 MBq of Cesium - 137 and 1.77 GBq of...
Reported by Comision Nacional de Seguridad Nuclear y Salvaguardias of Mexico on 03 Aug 2017. Last update on 03 Aug 2017


Japan, 06 Jun 2017, INES: 2

Exposure of Workers at Plutonium Fuel Research Facility

Body contamination was found from five workers who dealt with condition check of storage containers that stored nuclear fuel material at the Plutonium Fuel Research Facility (PFRF) in Oarai Research & Development Center of Japan Atomic Energy Agency on June 6, 2017. In the PFRF, mixed powder of...
Reported by Nuclear Regulation Authority of Japan on 02 Aug 2017. Last update on 02 Aug 2017


United States of America, 04 Jul 2017, INES: 2

Uranium accumulation in a glove box air purification system

At a fuel fabrication facility (BWX Technologies, Inc.), unanticipated deposits of high-enriched uranium were discovered in two unfavorable geometry containers. Prior to discovery, the containers were assumed to be non-uranium bearing and were not included in the licensee’s safety analysis. BWX...
Reported by Nuclear Regulatory Commission (NRC) of United States of America on 31 Jul 2017. Last update on 31 Jul 2017


Belgium, 25 Jul 2017, INES: 2

Exposure of airplane passengers due to inadequate use of type B transport package

On 25 July 2017 on arrival of a package containing a disused Ir-192 source of 29.6 GBq at the Belgian consignee an abnormal radiation level was detected (alarm of a personal dosimeter at 100 μSv/h triggered at about 1.50 m from the package). The package was immediately shielded with a lead blanket...
Reported by Federal Agency for Nuclear Control (FANC) of Belgium on 29 Jul 2017. Last update on 07 Aug 2017


United States of America, 21 Jul 2017, INES: 2

Worker Overexposure

A pharmacy technician received an elevated whole body dose in April 2017. The licensee requested the expedited processing of the May 2017 whole body dosimeter and a dose of 110 mSv (11 rem) was reported. The isotopes involved are believed to be Mo-99/Tc-99m, Tc-99m, and Ga-68. The U.S. statutory...
Reported by Nuclear Regulatory Commission (NRC) of United States of America on 28 Jul 2017. Last update on 28 Jul 2017


France, 20 Jun 2017, INES: 2

Emergency diesel generators auxiliary systems not compliant with seismic requirements on the 1300 MW reactors (8 sites - 20 reactors)

Each 1300 MW French type reactor is equipped with 2 EDGs which redundantly power several safety systems in case of a loss of external power, in particular following an earthquake. EDGs are composed of an alternator, a diesel engine and auxiliary systems (cooling system, pre-lubrication,...
Reported by Autorité de Sûreté Nucléaire (ASN) of France on 21 Jun 2017. Last update on 21 Jun 2017


United States of America, 28 Apr 2017, INES: 2

Overexposure to Radiographer

After the performance of an industrial radiography exposure, the licensee radiographer approached the collimator to collect the film without his survey meter. The source was not completely retracted inside the camera. The radiographer dosimeter was processed and a whole body dose of 0.054 Sv...
Reported by Nuclear Regulatory Commission (NRC) of United States of America on 13 Jun 2017. Last update on 13 Jun 2017


United States of America, 15 May 2017, INES: 2

Overexposure to Radiographer

During the performance of industrial radiography, the licensee radiographer approached the collimator without his survey meter. The radiographer positioned the collimator in preparation for an exposure shot without first retracting the 3.552 TBq (96 Ci) Se-75 source back inside the camera. Based on...
Reported by Nuclear Regulatory Commission (NRC) of United States of America on 24 May 2017. Last update on 24 May 2017


United Kingdom, 05 Feb 2017, INES: 2

Over Exposure of an Operator From a Puncture Wound During Work in an Active Glovebox

Routine glovebox work was taking place to empty a glovebox sump to clear a level alarm. The operator's first action used the normal plant methods; no equipment is removed from the sump to do this. As the alarm did not clear, the operator proceeded to remove and clean the probe, a task that the...
Reported by Office for Nuclear Regulation (ONR) of United Kingdom on 26 Apr 2017. Last update on 26 Apr 2017


Mexico, 23 Apr 2017, INES: 2

Stolen source in Tlaquepaque, Jalisco

On April 24th, 2017 at 12:51 hours UTC-6, the National Commission of Nuclear Safety and Safeguards (the mexican regulatory authority) received a notification from a licensee, that on April 23th, 2017, at 03:00 UTC-6, a vehicle transporting an industrial radiography device, containing a source of...
Reported by Comision Nacional de Seguridad Nuclear y Salvaguardias of Mexico on 25 Apr 2017. Last update on 25 Apr 2017


United States of America, 31 Dec 2016, INES: 1

Overexposure to Radiographer

As a result of a recent inspection by the State of Oklahoma, the licensee has learned that one of their radiographers received an annual whole body dose of 58.1 mSv (5.81 rem) for calendar year 2016. The overdose was accumulated over the course of the year. There were no unusual circumstances...
Reported by Nuclear Regulatory Commission (NRC) of United States of America on 21 Apr 2017. Last update on 21 Apr 2017


France, 14 Apr 2017, INES: 1

Stolen gamma densitometer

During the night of 13 to 14 April 2017, a gamma densitometer (Troxler 3440), which was used on a levelling work site, has been stolen from its storage location (Southern France). It contains 2 radiation sources as follows : 1 Cesium 137 of 296 MBq activity 1 Americium/Beryllium 241 of 1480 MBq...
Reported by Autorité de Sûreté Nucléaire (ASN) of France on 14 Apr 2017. Last update on 16 Oct 2017


Mexico, 13 Feb 2017, INES: 1

Stolen source in San Juan del Río, Queretaro, Mexico

On February 13th, 2017 at aproximately 11:30 hours (UTC-6) in the 4+500 kilometer highway Palmillas, Apaseo el Alto, in San Juan del Rio, Queretaro, Mexico, a nuclear density gauge was stolen. The device is a density gauge that contains the following radioactive sources: Am-241/Be with an...
Reported by Comision Nacional de Seguridad Nuclear y Salvaguardias of Mexico on 02 Mar 2017. Last update on 02 Mar 2017


Mexico, 23 Jan 2017, INES: 1

Stolen and recovered nuclear densimeter

On January 23th, 2017 at approximately 16:30 hours (UTC-6) in Ciudad Juárez, Chihuahua, Mexico, occurred the armed robbery of a vehicle that was transporting a CPN nuclear densimeter that contained the radioactive sources Cs-137 serial number 8961GQ and Am-241/Be serial number 9144NK. On January...
Reported by Comision Nacional de Seguridad Nuclear y Salvaguardias of Mexico on 02 Mar 2017. Last update on 02 Mar 2017


Norway, 24 Oct 2016, INES: 1

Fuel fail and emission from research reactor

Fuel rods were unloaded October 17 2016, and placed in an open container in the handling compartment. The reactor was then in shutdown. On October 20th increased levels of noble gasses were detected in the filters from the handling compartment. The fuel in the handling compartment was inspected...
Reported by Norwegian Radiation Protection Authority of Norway on 02 Mar 2017. Last update on 02 Mar 2017


United Kingdom, 08 Jan 2017, INES: 2

Personal Contamination at Reprocessing Plant

Sampling of radioactive material was taking place on a reprocessing facility. This sampling task is performed twice daily and experienced senior staff are used to perform the operation. On this occasion a Shift Team Leader was engaged to undertake the task. Upon leaving the building and using the...
Reported by Office for Nuclear Regulation (ONR) of United Kingdom on 01 Mar 2017. Last update on 01 Mar 2017


United Kingdom, 15 Aug 2016, INES: 2

Electronic Personal Dosimeter went into Alarm during X-ray Radiography Operations

Radiographers were working in a cell in a redundant reprocessing facility, carrying out digital imaging of legacy crates using X-rays in order to identify their contents. This cell is an area of known high background radiation containing ten legacy crates. A previous health physics survey of...
Reported by Office for Nuclear Regulation (ONR) of United Kingdom on 20 Jan 2017. Last update on 20 Jan 2017


South Africa, 06 Nov 2016, INES: 2

Transport of package containing a radioactive source from Kenya to South Africa

A parcel containing an industrial radiography sealed source was transported from Kenya to South Africa. The package was labelled as empty (UN2908) and was handled as a general luggage during transportation in a South African Airways passenger flight. On arrival at the final destination the dose...
Reported by South Africa National Nuclear Regulator (NNR) of South Africa on 06 Jan 2017. Last update on 06 Jan 2017


Germany, 12 Dec 2016, INES: 2

Inadvertent damage of a Se-75 source

On December the 12th, 2016, a Se-75 source was inadvertently damaged during re-pair work on faulty radiography equipment. The work was performed in Düsseldorf region in North Rhine-Westphalia by a specialized company within a controlled area. The source contained about 1.3 Terabecquerel Se-75. The...
Reported by Gesellschaft für Anlagen und Reaktorsicherheit of Germany on 23 Dec 2016. Last update on 23 Dec 2016


Mexico, 05 Aug 2016, INES: 1

Stolen Source at Ciudad Obregon, Sonora, Mexico

On August 5th, 2016 at 06:39 (EST) a report was received from the Emergency System and therefore to CNSNS (the regulatory body) informing the theft of a Stolen Source at Ciudad Obregon, Sonora, Mexico. The device was a moisture/density gauge with Am241/Be (1.65GBq) and Cs-137 (370 MBq) On...
Reported by Comision Nacional de Seguridad Nuclear y Salvaguardias of Mexico on 02 Dec 2016. Last update on 02 Dec 2016


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