Table 41 Mean Cesium-137 Levels Obtained by Whole-Body Counting, 1974 Male ~ No. Bikini Utirik nCi 8 9 Rongelap 128 262 22 BNL med. team 475 4 Female nCi/kg body wt. No. nCi 1.84 (0.43-5.11) 4.05 (2.64-6.84) 13 13 73 133 7.76 (4.37-16.3) 2.93 24 0.0352 (0.0134-0.0791) nCi/kg body wt. 1.13 (0.22-3.26) 2.13 (0.96-3.85) 304 5.13 (2.71-13.46) Table 42 Dose to Bone Marrow ( Data in mrad/year) 1958 1974 Rongelap Rongelap Utirik Bikini 5 6 Internal Sr 137Cs Natural (49K,etc.) il 120* 8 60 6 31 44 44 175 112 81 65 44 Total 44 External Residual gamma(in village areas) 250 Natural (cusmicetc.) Total Combined total 134** 39 15 39 7 65 384 34 46 104 359 166 127 169 39 *137Cs + 85Zn. **High value due to increased cosmic-ray dose from above-average sunspot activity. The year 1958 was the time of peak radioactivity at Rongelap. 1 ] t 1 06h 1 0.3 Qt a I T aD qT ~ maf 1 - g ~ 0.5 . Ti ‘ «5Zn E ] \ 10k © : le \ = Utirik “pee \\ ! ' 1957 _ \ | 1959 7 Bikini , 4 \ ’ 1961 oe— 1963 ! Medical ‘eam £967 1965 1971 a 1974 1969 Figure 56. Body burdens of gammaemitters, obtained by whole-body gamma spectroscopy (0, '7Cs; @, ®5Zn). T T “7 5 . 3 | \ * ' t '{ ; a 1954 1/7 t 8 \ ‘1 r i| \ ' ; 4 \ NAY ' fk Bone Yo 1959 1957 | -' ‘ i i & cS 4 Oo iN / : S } Bone,*., wea I E ‘\85Zn Rongelap 1 l 2 “~~ \ 02 - a ! 1954 mS T !| 1 " =| 0.1 F- T * oliCs oy Ay UIT & Sto 0.4 L. T i. ~. Rongelap yj 7s137TCs We Y ~._ Pop i l 1961 1965 L 1967 a an : 1971 ‘ ! ‘ s ] Bikini o | Utirik a ; 1 1974 1969 Figure 57. Body burdensof strontium-90, obtained by radiochemical analysis of urine.