Nuclear Engineering and Technology

Korean Nuclear Society (한국원자력학회)
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Analysis of the influence of nuclear facilities on environmental radiation by monitoring the highest nuclear power plant density region

  • Lee, UkJae (Department of Nuclear Engineering, Ulsan National Institute of Science and Technology (UNIST)) ;
  • Lee, Chanki (Department of Nuclear Engineering, Ulsan National Institute of Science and Technology (UNIST)) ;
  • Kim, Minji (Department of Nuclear Engineering, Ulsan National Institute of Science and Technology (UNIST)) ;
  • Kim, Hee Reyoung (Department of Nuclear Engineering, Ulsan National Institute of Science and Technology (UNIST))
  • Received : 2019.01.15
  • Accepted : 2019.04.08
  • Published : 2019.09.25
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Abstract

Monitoring of environmental radioactivity is essential for ensuring the radiological safety of residents who live near nuclear power plants. Ulsan, South Korea, is surrounded by 16 nuclear power plants, the highest density in the country. In addition, the city contains facilities for conducting radiological nondestructive testing and using radioisotopes for medical purposes. It makes the confirmation of radiological safety particularly necessary. In this study, sampling points were selected based on regional characteristics, and surface water samples were pretreated and analyzed for gross beta and gamma radiation levels. In addition, the distribution of the city's gamma dose rate was determined using a mobile monitoring system and distribution visualization program. The results showed that there is no effect on the gross beta and gamma nuclides of artificial radionuclides, and the gamma dose rate of the entire region did not exceed the environmental radiation level in South Korea overall, confirming the radiological safety of the city.

Keywords

Acknowledgement

Supported by : National Research Foundation of Korea (NRF)

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