130 RADIATION STANDARDS, INCLUDING FALLOUT TABLE 1 Percent Distribution of Infant. Population Acoording To Estimeted Thyroid Dose From I-131 Sept. 1961 ~ Jan. 1962 AVG. DOSE _ (160 mr) PERCENT OF INFANT POPULATION SegaTSC hesaRTEss 36 30 ad ANNUAL RPG 13 10. 10 10 05 50 100 150 200 250 300 ot 360 4 400 450 THYROID DOSE from I-131 (Millirem) 500