Evaluation of Radioactive Stack Air Effluents from the Advanced Fuel Science Building at KAERI

한국원자력연구원 새빛연료과학동 굴뚝방출 방사능 평가

  • Chang, S.Y. (Korea Atomic Energy Research Institute) ;
  • Kim, B.H. (Korea Atomic Energy Research Institute)
  • 장시영 (한국원자력연구원 방사선안전관리팀) ;
  • 김봉환 (한국원자력연구원 방사선안전관리팀)
  • Published : 2008.09.30


Radioactivities of the stack air effluents from the Advance Fuel Science Building (AFSB) at KAERI have been investigated and evaluated. In this AFSB, nuclear fuels for the HANARO research reactor have been fabricated and the advanced nuclear fuels have been studied. A stack air monitoring system has been continuously operating to monitor the stack air effluents from the facility to protect the environment. As the results of the periodical radioactivity measurement and both the gamma and alpha spectrometry for the millipore filters taken from the stack air monitor from January until March 2008, a trace amount of primordial $^{40}K$ and the short-lived decay products of natural borne $^{222}Rn$ and $^{220}Rn$ have been detected. However, the radioactivities have rapidly decayed to the level below the Minimum Detectable Activity (MDA) of the counting system. Therefore, it was evaluated that no uranium isotopes have been released to the atmosphere from the stack of the AFSB at KAERI.


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