Evaluation of derived concentration guideline levels reflecting the site-specific data for the soil of the Korea research reactor unit 1 and 2

The purpose of this study is to evaluate the derived concentration guideline levels for unrestricted site reuse the Korea research reactor unit 1 and 2. Distribution coefficients for Co-60 and Sr-90 were derived, and site-specific values of the KRR soil were applied for the DCGLs for the seven targe...

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Bibliographic Details
Published in:Applied radiation and isotopes 2024-05, Vol.207, p.111250-111250, Article 111250
Main Authors: Kim, Geun-Ho, Kim, Ilgook, Kim, Min-Seong, Kim, Ji Woo, Kim, Kwang Pyo
Format: Article
Language:English
Subjects:
DCGLs
Decommissioning
Distribution coefficient
Korea research reactor
Site-specific value
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Summary:The purpose of this study is to evaluate the derived concentration guideline levels for unrestricted site reuse the Korea research reactor unit 1 and 2. Distribution coefficients for Co-60 and Sr-90 were derived, and site-specific values of the KRR soil were applied for the DCGLs for the seven target nuclide. The distribution coefficients of Co-60 and Sr-90 were 6,128 and 86.0 mL/g. The DCGLs derived from the dose by age group were 0.053 Bq/g for Co-60 and 45.0 Bq/g for H-3. •Derived concentration guideline levels (DCGLs) were evaluated for the seven target nuclide.•Distribution coefficient values for Co-60 and Sr-90 were derived.•The distribution coefficient for Co-60 was 6128 mg/L and 86.0 mL/g for Sr-90.•The DCGLs of the KRR-1&2 based on age group was 0.053 Bq/g for Co-60 and 45.0 Bq/g for H-3.•Most nuclides induced the lowest DCGLs in the 1-year age group.
ISSN:0969-8043
1872-9800
DOI:10.1016/j.apradiso.2024.111250