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Radioactive effluents released from Korean nuclear power plants and the resulting radiation doses to members of the public

  • Kong, Tae Young (Central Research Institute, Korea Hydro & Nuclear Power Co., Ltd.) ;
  • Kim, Siyoung (Central Research Institute, Korea Hydro & Nuclear Power Co., Ltd.) ;
  • Lee, Youngju (Central Research Institute, Korea Hydro & Nuclear Power Co., Ltd.) ;
  • Son, Jung Kwon (Central Research Institute, Korea Hydro & Nuclear Power Co., Ltd.) ;
  • Maeng, Sung Jun (Central Research Institute, Korea Hydro & Nuclear Power Co., Ltd.)
  • Received : 2017.05.04
  • Accepted : 2017.07.28
  • Published : 2017.12.25

Abstract

Korean nuclear power plants (NPPs) periodically evaluate the radioactive gaseous and liquid effluents released from power reactors to protect the public from radiation exposure. This paper provides a comprehensive overview of the release of radioactive effluents from Korean NPPs and the effects on the annual radiation doses to the public. The amounts of radioactive effluents released to the environment and the resulting radiation doses to members of the public living around NPPs were analyzed for the years 2011-2015 using the Korea Hydro & Nuclear Power Co., Ltd's annual summary reports of the assessment of radiological impact on the environment. The results show that tritium was the primary contributor to the activity in both gaseous and liquid effluents. The averages of effective doses to the public were approximately on the order of $10^{-3}mSv$ or $10^{-2}mSv$. Therefore, even though Korean NPPs discharged some radioactive materials into the environment, all effluents were within the regulatory safety limits and the resulting doses were much less than the dose limits.

Keywords

References

  1. Nuclear Safety and Security Commission, Standards for Radiation Protection, etc, Notice No. 2014-034, NSSC, Seoul (Korea), 2014 [in Korean].
  2. Korea Hydro & Nuclear Power Co., Ltd., Gaseous Radioactive Waste Management: Operation Procedure of Shin-Kori Unit 1&2, Radiation-8630 Rev. 2, KHNP, Gyeongju (Korea), 2015 [in Korean].
  3. Korea Hydro & Nuclear Power Co., Ltd., Liquid Radioactive Waste Management: Operation Procedure of Shin-Kori Unit 1&2, Radiation-8650 Rev. 3, KHNP, Gyeongju (Korea), 2015 [in Korean].
  4. U.S. Nuclear Regulatory Commission, Numerical Guides for Design Objectives and Limiting Conditions for Operation to Meet the Criterion; Appendix I to 10 CFR Part 50, U.S. Government Printing Office, Washington, DC, 1956.
  5. U.S. Environmental Protection Agency, Environmental Radiation Protection Standards for Nuclear Power Operations; 40 CFR Part 190, U.S. Government Printing Office, Washington, DC, 1977.
  6. Korea Hydro & Nuclear Power Co., Ltd., Survey of Radiation Environment and Assessment of Radiological Impact on Environment in Vicinity of Nuclear Power Facilities, KHNP, Gyeongju, Korea, 2011 [in Korean].
  7. Korea Hydro & Nuclear Power Co., Ltd., Survey of Radiation Environment and Assessment of Radiological Impact on Environment in Vicinity of Nuclear Power Facilities, KHNP, Gyeongju, Korea, 2012 [in Korean].
  8. Korea Hydro & Nuclear Power Co., Ltd., Survey of Radiation Environment and Assessment of Radiological Impact on Environment in Vicinity of Nuclear Power Facilities, KHNP, Gyeongju, Korea, 2013 [in Korean].
  9. Korea Hydro & Nuclear Power Co., Ltd., Survey of Radiation Environment and Assessment of Radiological Impact on Environment in Vicinity of Nuclear Power Facilities, KHNP, Gyeongju, Korea, 2014 [in Korean].
  10. Korea Hydro & Nuclear Power Co., Ltd., Survey of Radiation Environment and Assessment of Radiological Impact on Environment in Vicinity of Nuclear Power Facilities, KHNP, Gyeongju, Korea, 2015 [in Korean].
  11. Nuclear Safety and Security Commission, Regulation on Survey of Radiation Environment and Assessment of Radiological Impact on Environment in Vicinity of Nuclear Power Facilities, Notice No. 2014-12, NSSC, Seoul, Korea, 2014 [in Korean].
  12. Korea Hydro & Nuclear Power Co., Ltd, Offsite Dose Calculation Manual of Kori, KHNP, Gyeongju, Korea, 2006 [in Korean].
  13. U.S. Environmental Protection Agency, Guidelines for Exposure Assessment; EPA/600/Z-92/001, U.S. Government Printing Office, Washington, DC, US, 1992.
  14. U.S. Nuclear Regulatory Commission, Calculation of Annual Doses to Man from Routine Release of Reactor Effluents for the Purpose of Evaluating Compliance with 10 CFR Part 50, Appendix I. (Regulatory Guide 1.109. Revision 1), USNRC, Rockville, USA, 1977.
  15. National Research Council, Analysis of Cancer Risks in Populations Near Nuclear Facilities: Phase I, National Academies Press, Washington, DC, 2012.
  16. H.G. Kim, T.Y. Kong, Analysis of metabolism and effective half-life for tritium intake of radiation workers at pressurized heavy water reactor, J. Radiat. Prot. 34 (2009) 87-94 [in Korean].
  17. H.G. Kim, T.Y. Kong, W.T. Jeong, S.T. Kim, An investigation on the technical background for carbon-14 monitoring in radioactive effluents, J. Radiat. Prot. 34 (2009) 195-200 [in Korean].
  18. Korea Institute of Nuclear Safety, Radiation Environment: Offsite Dose Calculation. KINS/RG-N02.02; (Regulatory Guide 02. Revision 2), KINS, Daejeon, Korea, 2016.
  19. C.L. Sanders, Radiation Hormesis and the Linear-no-Threshold Assumption, Chapter 3, Natural Environmental Radiation, Springer, Berlin, Germany, 2010, pp. 37-42.

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