TABLE THYROLD NODULES (INCLUDING HYPOTHYROIDISM) IN MARSHALLESE POPULATIONS (3/68) (R=Rongelap; A=Ailingnae; UT=Utirik; C=Unexposed) Estimated % Thyroid Thyroid Group Age At Exposure <10 Group_ 19 Dose (rads) 175 A <10 6 69 275-550 0.0 UT <10 40 14 55-110 0.0 c <10 61 0 R >10 36 A >10 UT C R No. in Gamma Dose (1*, rads) 700-1400 Nodules 90.0 0 0.0 175 160 5.5 8 69 55 12.5 >10 59 14 i5 3.4 >10 133 0 0 2.3 —» “A \a 9 *In estimating the thyroid doses to the Ailingnae and Utirik exposed group, it was assumed that such doses were proportional to the thyroid doses of the Rongelap exposed group, based on relative whole body gamma dose received. tom tt ay Pe