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Urabe Itsumasa; Katsurayama, Kousuke
Health Physics: October 1984
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Energy spectra of gamma rays due to artificial radionuclides could be estimated by using a NaI(Tl) scintillation spectrometer on the basis of the analysis of natural environmental gamma rays. This analysis system was applied to a continuous gamma-ray monitor in the vicinity of a nuclear facility, and a plume exposure rate due to gaseous effluents of about 6 * 10−2 Ci hr−1 (2.2 * 109 Bq hr−1) could be estimated successfully downwind from the stack.

©1984Health Physics Society