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http://dx.doi.org/10.7742/jksr.2020.14.4.425

A Study on the Safety of a Screening X-ray Laboratory Using Containers in accordance with the COVID 19 Outbreak  

Kim, Jae-Seok (Department of Radiology, Ajou University Hospital of Korea)
Publication Information
Journal of the Korean Society of Radiology / v.14, no.4, 2020 , pp. 425-431 More about this Journal
Abstract
When a radiation generating device is installed in an export container due to COVID-19, the purpose of this study was to measure the space dose in the radiation room and to study the effectiveness of the shielding wall in the laboratory. Air dose measurement method was set behind the X-ray tube, 50 cm, 100 cm, 200 cm, and measured 12 locations. The dose values before and after the use of the movable radiation shielding wall were compared by measuring 3 locations behind the X-ray tube using the movable radiation shielding wall. The measured values were 50 cm on the left behind the X-ray tube: 1.446 μSv, behind the X-ray tube: 0.545 μSv, and 50 cm on the right behind the X-ray tube: 1.466 μSv. Measurements behind the radiation barrier were 0.190 μSv, 0.204 μSv, and 0.191 μSv. As a result of performing the corresponding sample t test of the average value according to the use of movable barrier walls, p <0.001 was found. As a result of the actual measurement, the medical exposure of the examiner due to the shielding wall in the laboratory decreased to 82.3%. In order to reduce occupational exposure in screening radiological laboratories, it is recommended that sufficient separation from radiation sources and the use of shielding walls are recommended.
Keywords
Corona-19; Container screening clinic; Radiation defense; Radiation room dose distribution;
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