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http://dx.doi.org/10.7742/jksr.2017.11.7.555

Multidimensional Model for Assessing Risks from Occupational Radiation Exposure of Workers  

Bae, Yu-Jung (Daegu Gyeongbuk Institute of Science & Technology)
Kim, Byeong-soo (Korea Institute of Nuclear Safety)
Gwon, Da-yeong (Department of Radiological Science, Catholic University of Daegu)
Kim, Yong-min (Department of Radiological Science, Catholic University of Daegu)
Publication Information
Journal of the Korean Society of Radiology / v.11, no.7, 2017 , pp. 555-564 More about this Journal
Abstract
The current radiation risk assessment for occupational exposure is based on the measured exposure dose and health checkups of workers. This people-centered risk assessment may occur errors because absence of using personal dosimeter or unrelated health symptoms of individuals lead to difficulties in obtaining accurate data from workers. In addition, although the established legal upper dose limit was used as a reference for the assessment, it does not imply that this limit is the optimal dose of radiation workers should get; ALARA principle should always be appreciated. Therefore, a new risk assessment model that can take account of all the important factors and implement optimization of radiation protection is required at the national level. In this paper, based on the KOSHA Risk Assessment, we studied on the workplace-centered risk assessment model for radiation field rather than the people-centered. The result of the study derived a right model for radiation field through the analysis of the risk assessment methods in various fields and also found data acquisition methods and procedures for applying to the model. Multidimensional model centering on the workplace will enables more accurate radiation risk assessment by using a risk index and radar plot, and consequently contribute to the efficient worker management, preemptive worker protection and implementation of optimization of radiation protection.
Keywords
Radiation risk assessment; Occupational exposure; Optimization; Workplace; Multidimensional model;
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Times Cited By KSCI : 3  (Citation Analysis)
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