Accidential Exposure of Industrial Radiography Worker


Print View Posted on: 26 December 2024

Event Date: 26 June 2014 Event Type: Radiation Source
Event Location: Korea, Republic of, Ulsan INES Rating: 3 (Final)

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 attempting to repair the damaged portion of the guide tube by hand, the worker was exposed to radiation. The personal dosimeter reading indicated an effective dose of 117.1 mSv. Radiation burns were observed on the worker's hand, and the hand equivalent dose was estimated to be between 10 and 25.8 Sv.

INES Rating: 3 - Serious incident (Final) as per 07 September 2014
Release beyond authorized limits? No
Overexposure of a member of the public? No
Overexposure of a worker? Yes

Contamination spread within the facility? No
Damage to radiological barriers (incl. fuel damage) within the facility? No

Degradation of Defence In-Depth Yes

Person injured physically or casualty? No
Is there a continuing problem? No

Changsu Park
Korea Institute of Nuclear Safety (KINS)

cspark@kins.re.kr
https://www.kins.re.kr
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