Vhyroid Noe ' «5 Including Uypothyroidism in the Marshall Populations as of March 1968 Persons Exposed _ on Age at Exposure Whole Bod, ‘imma Dose (vei) Estimated Added Thyroid Dose from I*, (rads) <<10 175 175 Ailingnae Island <=10 >10 69 69 275 - 550 55 6 8 Utirik Island <10 =10 14 14 55 - 110 15 40 Control Marshallese <l0 >10 61 133 1) 0 0 0 Rongelap Island =—10 700 - 1400 160 No. in Group 19 36 59 No. and Percent with Nodules 17 (90%) 2 (5.5%) 0 Ll (12.5%) 0 2 (3.4%) 0 3 (2.3%) Estimates of the doses to the-thyroids of the Rongelapese were recomputed by R, James and J, Gofman, UCRL #12273, December, 1964, Estimates of the thyroid doses of the Ailingnae and Utirik people were by proportionality to the respective whole body gamma doses,