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ISSN : 1738-1894(Print)
ISSN : 2288-5471(Online)
Journal of Nuclear Fuel Cycle and Waste Technology Vol.5 No.2 pp.91-101
DOI :

콘크리트 폐기물의 자체처분을 위한 잔류방사능 조사 및 피폭선량평가

Residual Radioactivity Investigation & Radiological Assessments for Self-disposal of Concrete Waste in Nuclear Fuel Processing Facility

설중군, 류재봉, 조석주, 유성현, 송정호, 백훈, 김성환, 신진성, 박현균

Abstract

In this study, domestic regulatory requirement was investigated for self-disposal of concrete waste from nuclear fuel processing facility. And after self-disposal as landfill or recycling/reuse, the exposure dose was evaluated by RESRAD Ver. 6.3 and RESRAD BUILD Ver.3.3 computing code for radiological assessments of the general public. Derived clearance level by the result of assessments for the exposure dose of the general public is 0.1071Bq/g (3.5% enriched uranium) for landfill and (5% enriched uranium) for recycling/reuse respectively. Also, residual radioactivity of concrete waste after decontamination was investigated in this study. The result of surface activity is and the result of radionuclide analysis for taken concrete samples from surface of concrete waste is 0.0297Bq/g for concentration of , below 2w/o for enrichment of and 0.0089Bq/g for artificial contamination of respectively. Therefore, radiological hazard of concrete waste by self-disposal as landfill and recycling/reuse is below clearance level to comply with clearance criterion provided for Notice No.2001-30 of the MOST and Korea Atomic Energy Act.

 

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