TABLE THYROID NODULES (INCLUDING HYPOTHYROIDISM) IN MARSHALLESE POPULATIONS (3/68) (R=Rongelap; A=Ailingnae; UT=Utirik; C=Unexposed) Estimated te Thyroid Nodules 90.0 69 275-550 0.0 40 14 55-110 0.0 <10 61 0 >10 36 >10 Group Age At Exposure <10 No. in Group 19 Gamma Dose (rads) 175 A <10 6 ur <10 oO R Thyroid Dose (I*, rads) 700-1400 0 0.0 175 160 5.5 8 69 55 12.5 >10 59 14 15 3.4 >10O 133 0 0 2.3 *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.