Ee Thyroid doses from other isotopes of iedine, The dosages due to the other short lived isotopes of I my now be estimated, I> ani 1) are of interest as pointed out in ref (1); in addition, it 4s evident that 13? 45 very important and cannot be neglected. One term of the ref (3) expressions ie here used, except in the case of T°, Ds snot 9¢ B © 0645 Mev K, = 04269 Ky © 2.25 A, = 02792 por day D = 2 aes , 0 ( 900792(0215) 9000792(5h)_5-00792(,,7)) (0.89) (0) (0) D « © pen Shot 23 De 225% 2 0°(8) (0) = 12.4(80) (8) « 1200 r3>, het 98 k, = O698Lja, = 2649 Ky, © 15;Eev) = 0.3 Mev De LeS(OSUO,9G1)(-06374 y= rep ah 2649 ° +00 —— 0.688 shot 23 D = 1304(25) = 200 rep T3?, Here the half life of T°” itself is short, 2.4 hr, but it is the 132 whish has a 77 br half life. Hence 32 is daughter product of Te present in the fission products for several days ani contributes a con- siderable dose. It will be assumed that the I" has decayed through one half life by the time it reaches the thyroid, i.e., that the time of transport a ques TOS ARCHIVES