NO ne reeeee eR Lee Ete -13- TABLE II THYROID ABNORMALITIES (NODULES AND HYPOTHYROIDISM)-- . Age (1954) < 10 yrs. Island Group Rongelap No. in Group 19 Est imated Thyroid Dose in Rads* I 700-1400 Age (1954) 10-19 % Abnorma- No. in 78.9 12 lities Group 6 I 275-550 40 I 55-110 0.0 1 61 - 0.0 . I 175-300 0.0 of 69 0.0 Y 14 Unexposed (Rongelap lities 1175 T 69 Utirik#*e Dose in Rads* h Abnorma- I 350-600 4175 Ailingnae*** Estimated Thyroid yrs. 0.0 16 I 25-55 - 7 14 36 Utirik) ° - 0.0 * I= Dose from B and 7 radionuclides; 7 = dose from external ** Dosage in this group was the same as in the 20-40 year group. 7radflation. **kxk In estimating the thyroid doses to the Ailingnae and Utirik expose group it was assumed that these doses were proportional to the correspohding thyroid doses of the Rongelap exposed group, based on relative whole body gamma dose received. DOE ARCHIVES 0.0