The concentrations of several radionuclides in low and intermediate level radioactive waste (LILW) drums have to be determined before shipping to disposal facilities. A notice, by the Ministry of Science and Technology (MOST) of the Korean Government, related to the disposal of LILW drums came into effect at the beginning of 2005, with regards to a radionuclide regulation inside a waste drum. MOST allows for an indirect radionuclide assay using a scaling factor to measure the inventories due to the difficulty of nondestructively measuring the essential α and β-emitting nuclides inside a drum. That is, a scaling factor calculated through a correlation of the α or β-emitting nuclide (DTM, Difficult-To-Measure) with a γ-emitting nuclide (ETM, Easy-To-Measure) which has systematically similar properties with DTM nuclides. In this study, radioactive wastes, such as spent resin and dry active waste which were generated at different sites of a PWR and a site of a PHWR type Korean NPP, were partially sampled and analyzed for regulated radionuclides by using radiochemical methods. According to a reactor type and a waste form, the analysis results of each radionuclide were classified. Korean radwaste scaling factor was derived from database of radionuclide concentrations.
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The 11th International Conference on Environmental Remediation and Radioactive Waste Management
September 2–6, 2007
Bruges, Belgium
Conference Sponsors:
- Nuclear Division and Environmental Engineering Division
ISBN:
978-0-7918-4339-0
PROCEEDINGS PAPER
Derivation of the Korean Radwaste Scaling Factor
Kwang Yong Jee,
Kwang Yong Jee
Korea Atomic Energy Research Institute, Daejeon, South Korea
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Hong Joo Ahn,
Hong Joo Ahn
Korea Atomic Energy Research Institute, Daejeon, South Korea
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Se Chul Sohn,
Se Chul Sohn
Korea Atomic Energy Research Institute, Daejeon, South Korea
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Su Ho Han,
Su Ho Han
Korea Atomic Energy Research Institute, Daejeon, South Korea
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Ki Seop Choi
Ki Seop Choi
Korea Hydro & Nuclear Power Company, Ltd., Seoul, South Korea
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Kwang Yong Jee
Korea Atomic Energy Research Institute, Daejeon, South Korea
Hong Joo Ahn
Korea Atomic Energy Research Institute, Daejeon, South Korea
Se Chul Sohn
Korea Atomic Energy Research Institute, Daejeon, South Korea
Su Ho Han
Korea Atomic Energy Research Institute, Daejeon, South Korea
Ki Seop Choi
Korea Hydro & Nuclear Power Company, Ltd., Seoul, South Korea
Paper No:
ICEM2007-7297, pp. 659-662; 4 pages
Published Online:
May 29, 2009
Citation
Jee, KY, Ahn, HJ, Sohn, SC, Han, SH, & Choi, KS. "Derivation of the Korean Radwaste Scaling Factor." Proceedings of the The 11th International Conference on Environmental Remediation and Radioactive Waste Management. 11th International Conference on Environmental Remediation and Radioactive Waste Management, Parts A and B. Bruges, Belgium. September 2–6, 2007. pp. 659-662. ASME. https://doi.org/10.1115/ICEM2007-7297
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