Latest Events


Korea, Republic of, 12 Sep 2023, INES: 2

Accidential Exposure of Industrial Radiography Worker

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


Korea, Republic of, 15 Jul 2019, INES: 3

Exposure of Workers at a Facility using a Radiation Generating Device

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


Korea, Republic of, 24 Aug 2018, INES: 2

Accidential Exposure of Industrial Radiography Worker

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


Korea, Republic of, 21 Jul 2017, INES: 3

Exposure from a Medical Treatment Source

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


Korea, Republic of, 31 Dec 2016, INES: 3

Workers Exceeded Annual Whole Body Dose Limits

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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