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Development of AN On-site, Rapid, Environmental Radiation-distribution Monitoring System for Decision Making during a Radiation Emergency

Lee, UkJae; Kim, Hee Reyoung1

doi: 10.1097/HP.0000000000000898

An on-site, rapid, measurement-based, radiation-distribution visualization system with radionuclide recognition was developed for quick decision making during a radiation emergency. After scanning of the area was complete, radionuclide-specific radiation-distribution contours were displayed in two and three dimensions on a map of the measurement area, in a few tens of seconds, by clicking once on an execution file, which was programmed using MathWorks’ MATLAB software. The contours were fundamentally verified using 137Cs and 60Co standard sources. Radiation distribution in the measurement area was simultaneously displayed in the main office using code division multiple access. It was demonstrated that rapid decision making for public safety is possible through the prompt display of radiation distribution in a nuclear emergency environment. This can also be applied to establish an environmental restoration plan for decontamination and decommissioning of nuclear power plants.

1Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea.

The authors declare no conflicts of interest.

For correspondence contact: H.R. Kim, Ulsan National Institute of Science and Technology, Ulsan 44919, Republic of Korea, or email at

(Manuscript accepted 28 March 2018)

© 2018 by the Health Physics Society