한국방사선학회논문지 (Journal of the Korean Society of Radiology)

  • 제11권6호
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  • Pages.531-538
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  • 2017
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  • 1976-0620(pISSN)
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  • 2384-0633(eISSN)
한국방사선학회 (The Korean Society of Radiology)
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환경시료 중 농산물에서 화학적 처리 방법에 의한 방사능 분석

Radiation Analysis by Chemical Treatment of Agricultural Products in Environmental Samples

  • 장은성 (부산대학교 핵물리방사선연구소) ;
  • 이효영 (동의대학교 방사선학과)
  • Jang, Eun-Sung (Department of Nuclear Physics and Radiation Technology Research Center, Pusan National University) ;
  • Lee, Hyo-Yeong (Department of Radiological Science, Dongeui University)
  • 투고 : 2017.10.12
  • 심사 : 2017.11.30
  • 발행 : 2017.11.30
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초록

원전 주변의 농경지에서 생산되는 농산물은 방사능 오염으로 인해 체내 방사능 오염을 유발할 가능성을 가질 수 있다. 이에 원전 주변에서 채취된 농산물을 건조 처리하여 섭취에 의한 내부피폭선량 평가를 위해 $^{90}Sr$의 방사능 농도의 한계치를 알아보고자 하였다. 감마동위원소 분석결과 모든 시료에서 인공핵종은 검출되지 않았으며, 쌀에서 < 0.0166~0.0336 Bq/kg-fresh, 배추에서 <0.00586~0.0421 Bq/kg-fresh, 열무에서 <0.0135 ~0.106 Bq/kg-fresh, 배에서 0.0114 ~ 0.0901 Bq/kg-fresh 로서 평상변동범위 수준이었다. 일반인에 대한 연간 선량한도인 1.0 mSv 대비 쌀, 배추, 열무의 $^{90}Sr$에 대해 각각 0.0177%, 0.0222%, 0.0376%, 0.00243%가 나왔으며, 이 값은 일반인에 대한 법적 기준치 $1mSv/yr{\cdot}man$ 비해 0.1 % 미만의 값이 나타났다. 따라서 식생활에서 음식 섭취량 또는 연령을 고려하여 어린이, 어른이 섭취하는 식품에 대한 폭넓은 평가가 필요할 것으로 사료된다.

Agricultural products produced in the agricultural area around the nuclear power plant are radioactive contamination, which can cause radioactive contamination to the human body. The purpose of this study was to investigate the limit of the radioactivity concentration $^{90}Sr$ for the internal exposure dose evaluation by ingesting the agricultural products collected around the nuclear power plant. The results of the gamma-isotope element analysis were freshly <0.0166-0.0336 Bq / kg for all samples and for artificial radionuclides not detected, and fresh <0.00586-0.0421 Bq / kg for Chinese cabbage, The freshness was 0.106 Bq / kg, and the freshness was 0.0114-0.0901 Bq / kg. 0.0177%, 0.0222%, 0.0376% and 0.00243%, respectively, for Chinese cabbages and large roots, which is lower than the legal standard value of $1mSv/yr{\cdot}man%$. It is considered that the formulas need to be broadly evaluated for the foods consumed by children and adults, taking into consideration the age of the food and the diet

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