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[1A03] Indication of radiation exposure 100mSv
Keywords:Radiation exposure, 100 mSv, Cancer mortality rate, ICRP, DNA defect, DNA repare, Nuclear Power Plant Accident, Stochastic effect
The ICRP has recommended that residential evacuation should be determined in accidents involving radiation exposure in the range of 20 to 100 mSv per year. Radiation effect at 100mSv can be described as follows: (1) there is no deterministic effect at 100 mSv that is the upper limit of low-dose exposure giving stochastic effects, (2) morarity of carcinogenesis by 100 mSv exposure was evaluated to be 0.5% by ICRP, but (3) the effect of long exposure of 100 mSv/y is evaluated to be 0.025% considering human carcinogenesis suppressing functions containing DNA repair. Its risk factor is one-tenth of traffic accident deaths.