roid Nodules Including Hypothyroidism in the Marshallese Populations as of March 1968 Age at Exposure Whole Body Gamma Dose (rads) Estimated Added Thyroid No, in Dose from 1%, (rads) Group 700 - 1400 160 19 36 No, and Percent with Nodules Rongelap Island <10 =~ 10 175 175 Ailingnae Island <=10 >10 69 69 275 - 550 55 6 8 0 1 (12.5%) Utirik Island <<10 =>10 14 14 55 - 110 15 40 59 0 2 (3.4%) Coutrol Marshallese <10 10 61 133 0 0 0 0 0 3 (2.3%) *« 17 (90%) 2 (5.5%) Estimates of the doses to the- thyroids of the Rongelapese were recomputed by R, James and J. Gofman, Estimates of the thyroid doses of the Ailingnae and Utirik people December, 1964, UCRL #12273, were by proportionality to the respective whole body gamma doses, SAAIHOUVY AOA Pearsons Exposed on