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Spain,
13 Dec 2024, INES: 1
On Thursday 12th December 2024, LOMA SYSTEMS S.R.O. sent from the Czech Republic a B(U) package, model NE4C, with 4 encapsulated radioactive sources of Se-75 (3.4 TBq each one), used for industrial radiography, to a radioactive facility located in Madrid. These sources are classified as category 2...
Reported by
Consejo de Seguridad Nuclear (CSN)
of
Spain
on
18 Dec 2024.
Last update on 18 Dec 2024
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Mexico,
20 Nov 2024, INES: 0
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
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Mexico,
20 Sep 2024, INES: 1
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
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Norway,
04 Sep 2024, INES: 1
During an exercise, the fire sprinkler system in a laboratory building was activated. Approximately 2000 liters of water affected 9 rooms in the facility. The water was gathered and collected in storage tanks. No radioactive contamination was detected in the water nor in the equipment used in the...
Reported by
Norwegian Radiation and Nuclear Safety Authority (DSA)
of
Norway
on
17 Dec 2024.
Last update on 17 Dec 2024
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United States of America,
22 Feb 2024, INES: 2
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
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Czech Republic,
11 Jan 2024, INES: 2
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
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Indonesia,
11 Jan 2024, INES: 1
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
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United States of America,
11 Dec 2023, INES: 2
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
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United Kingdom,
15 Nov 2023, INES: 2
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
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Korea, Republic of,
12 Sep 2023, INES: 2
On September 12, 2023, during industrial radiography, the control cable of the equipment ruptured, causing the radiation source(Ir-192, 1.75 TBq) to detach inside the guide tube. The worker was unable to notice the detachment of the radiation source in time due to the lack of proper radiation...
Reported by
Nuclear Safety and Security Commission (NSSC)
of
Korea, Republic of
on
26 Dec 2024.
Last update on 26 Dec 2024
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Germany,
09 Mar 2023, INES: 3
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
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United States of America,
15 Dec 2022, INES: 2
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
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United Kingdom,
31 Dec 2019, INES: 2
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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Korea, Republic of,
15 Jul 2019, INES: 3
In July 2017, at a semiconductor manufacturing company, seven workers were exposed to radiation due to the abnormal use of an X-ray generator(100 kVp, 0.1 mA) for product defect inspection. The X-ray generator was a cabinet-type device with a shielding door interlock, but the workers manually...
Reported by
Nuclear Safety and Security Commission (NSSC)
of
Korea, Republic of
on
26 Dec 2024.
Last update on 26 Dec 2024
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Korea, Republic of,
24 Aug 2018, INES: 2
On August 24, 2018, during industrial radiography using a sealed radiation source (Ir-192, 1.22 TBq), the radiation source became stuck inside the guide tube, making it impossible to retrieve. During the initial response, the remote control cable was incorrectly assembled in the opposite direction,...
Reported by
Nuclear Safety and Security Commission (NSSC)
of
Korea, Republic of
on
26 Dec 2024.
Last update on 26 Dec 2024
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Korea, Republic of,
21 Jul 2017, INES: 3
On July 21, 2017, at a hospital in Seoul, an incident occurred when the assigned staff member failed to follow the patient verification procedure in the I-131 therapy room. As a result, a dose of I-131 (5,550 MBq), intended for a thyroid desease patient, was mistakenly administered to another...
Reported by
Nuclear Safety and Security Commission (NSSC)
of
Korea, Republic of
on
26 Dec 2024.
Last update on 26 Dec 2024
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Korea, Republic of,
31 Dec 2016, INES: 3
In December 2016, it was reported to the regulatory authority that an industrial radiography worker's personal dosimeter reading had exceeded the annual dose limit. An investigation revealed that the worker had been exposed to high levels of radiation on a night-field radiography work during...
Reported by
Nuclear Safety and Security Commission (NSSC)
of
Korea, Republic of
on
26 Dec 2024.
Last update on 26 Dec 2024
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Korea, Republic of,
03 Dec 2015, INES: 3
On December 3, 2015, an industrial radiography worker repeatedly conducted NDT without realizing that a sealed radioactive source(Ir-192, 1.1 TBq) had not been properly retracted and remained at the end of the guide tube. On December 8, the worker began feeling symptoms such as pain, redness, and...
Reported by
Nuclear Safety and Security Commission (NSSC)
of
Korea, Republic of
on
26 Dec 2024.
Last update on 26 Dec 2024
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Korea, Republic of,
20 Apr 2015, INES: 2
On April 20, 2015, two workers were conducting a industrial radiography for Non-Destructive Test on the welds of a large steel product. During the process, the guide tube of the irradiator was not properly connected, causing the radiation source (Co-60, 1.85 TBq) to be withdrawn but not retrieved....
Reported by
Nuclear Safety and Security Commission (NSSC)
of
Korea, Republic of
on
26 Dec 2024.
Last update on 26 Dec 2024
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Korea, Republic of,
26 Jun 2014, INES: 3
On June 26, 2014, during the setup and operation of testing equipment for industrial radiography, a radiation exposure incident occurred. The support structure of the equipment fell onto the guide tube, causing it to deform and disabling the retrieval of the radiation source(Co-60, 2.1 TBq). While...
Reported by
Nuclear Safety and Security Commission (NSSC)
of
Korea, Republic of
on
26 Dec 2024.
Last update on 26 Dec 2024
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