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KMID : 0364920180430030124
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Journal of Radiation Protection and Research
2018 Volume.43 No. 3 p.124 ~ p.129
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Re-evaluation of Korean Effluent Concentration Limits and Comparative Analysis
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Hwang Won-Tae
Lee Jo-Eun
Kwon Da-Hye
Kim Eun-Han
Han Moon-Hee
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Abstract
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Background: Effluent Concentration Limits (ECLs) were re-evaluated via direct calculation using dose coefficients based on radiation protection quantity introduced in Korea and the intrinsic breathing rates of Korean residents.
Materials and Methods: The re-evaluated ECLs were compared with the domestic standards given in the Notice of the Nuclear Safety and Security Commission (NSSC), as well as with ECLs specified in the Code of Federal Regulations (CFR).
Results and Discussion: The relative ratios of the re-evaluated ECLs to the currently applied domestic standards differed depending on the radionuclide type, but it was clearly shown that, for tritium (3H) and radiocarbon (14C), which significantly affect radiological dose to the public during the normal operation of nuclear power plants, the re-evaluated ECLs were higher than the domestic standards. This implies that Korean standards are relatively conservative.
Conclusion: The re-evaluated results for each age group showed that 131I (radioiodine), one of the significant radionuclides, had the lowest values, but nonetheless, the domestic standards for radioiodine were lower than the ECLs given in the CFR and the re-evaluated ECLs via a method given in the CFR.
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KEYWORD
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Effluent Concentration Limit (ECL), Routine release, NSSC's Notice, 10CFR20
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