TABLE N.4B #1 Source THYROID DOSE FROM INDIVIDUAL RADIONUCLIDES IN FALLOUT TO THE ADULT MALE *> Half-life Per cent physical decay in 3 weeks Dose rads Internal exposure Iodine-135 6.6 b 100% 190 rad Todine-134 53.2 min 100% 3 Todine-133 21 h 100% 550 Todine-132 2.3 hb 100% 7 Iodine-131 8.04 d 84% 130 Tellurium-131 30 h + 8.04 d 719% 120 Telluriun-13in 25 min + 8.04 d 84% 13 External exposure 190 Total dose 1203 Se eS SS ST SS S82 FS SS SS SS SSF SF SSS S SFO SESE SE TBDSTST SF SSeS ee eT ee SE eee eww ew ST Se ese es BP eee a/ Lessard et al, (1985) b/ 6Exposure to the fallout on Rongelap Island occurred for about 45 hours. 9000bb6 The fallout fell for about 7 hours. 60