eee nateTo ee ee Ree: geetetc ~~ -13- TABLE IL THYROID ABNORMALITIES (NODULES AND HYPOTHYROIDISM) -- Age (1954) < 10 yrs. Island Group Rongelap No. in Group 19 Estimated Thyroid Dose in Rads* I 700-1400 Age (1954) 10-19 yrs. % Abnorma- No. in 78.9 12 lities Estimated Thyroid Group Dose in Rads* 6 I 275-550 40 I 55-110 0.0 (Rongelap 61 - 0.0 1 I 175-300 0.0 of 69 0.0 Y 14 Unexposed lities 175 7 69 Utirik*** te Abnorma- I 350-600 7°175 Ailingnae*** . 0.0 16 I 25=- 55 . 7 14 36 Utirik) . - 0.0 * I = Dose from A and 7 radionuclides; 7 = dose from external ** Dosage in this group was the same as in the 20-40 year group. 7 radiation. xk In estimating the thyroid doses to the Ailingnae and Utirik exposed group it was assumed that these doses were proportional to the corresponding thyroid doses of the Rongelap exposed group, based on relative whole body gamma dose received. DOE ARCHIVES 0.0