RADIOCHEMICAL ANALYSIS OF'TISSUES AND URINE OF RONGELAP PIGS (AH Values Corcected for Decay to Day of Sacrifice, the 82nd Post-exposure Day) - te Bots Activity do m/total Sample Grose Sample Activity > Pigg #24 (25.8 kgm) . Skeleton sr” Bal‘? 1074) Ww 107) (ta Ss HH9O 5660 660 Total Rare Barth ey 1010 Liver Colon & Contents Lung (Alveolar) Stomach ' at 12 L.5 L.2 0.40 5.0 0.22 0.22 0.33 2.4 0,20 1.1 64 3.2 0.8 1.3 Intestine (Sma))) Kidney 2.3 3.3 0,62 0.21 0.50 0.42 0.51 0.74 Remaining Tissucs 690 Total 9630 Urine Sample, 24 hr (5/27) 13 Urine Sample, 24 hr 5667 665 8.7 1020 1.2 1.6 9.6 Average for days 82 lo HR post -expoNure Pig #25 (22.7 kgm) Skeleton (total) Liver Colon & Contents Lung (Alveolar) Stamach Intestine (Small) Kidney Remaining tissues Total Urine Sample, 24 hr (5/27) Urine Sample, 24 hr Average for duys 82 to 88 post-exposure 4600 27 16 1.1 2.0 2.6 5100 0.53 5 0.26 0.29 0.83 3.3 220 0.14 8870 6.2 . 530 0.20 3.2 0.23 0.13 0.88 690 5.5 4.9 0.33 v.30 0.88 O.19 0.52 , 5107 534 4.4 0.40 702 0.54 8.1 Total Average Per cent of Individual Radioelements sr™ pa? Rare Earth Skeleton Total Body Urine (24 hr) 62 58 69 6.8 6.5 7.9 9.7 9.0 10.5 is separated into its-components using the ratio of individual isotope activities in the urine or in the total body of the animals at this time, the following values for the Rongelap group, 82 days post-detonation were obtained: Sr® — 0.19 pe Ba"? _ 9,021 pc Rare Earth Group — 0.030 uc Others ~— 0.09 pc The excretion rate of Sr and Ba can be described empirically by a power function, Ay = A,t7® where n is 0.4 and A; is the activity remaining in the body at time t (days). The exponent was derived from Cowan, Sr** human inhalation data, and it corresponds very closely ve esre 94 . yy) Wi Vig! shia Table 5.20