° - ere RAINOCHEMICAL ANALYSIS OF TISSUES AND URINE OF RONGELAP PIGS (ALL Vadues Corrected for Decay to Day o f Saeridfice, the 82nd Post-exposure Day) Botu Activity d.m/tolal Sample te Grove Sample Activity 3 (~ 1074) Pig #24 (25.8 kgm) Skeleton Liver Colon & Contents Lung (Alveolar) Stomach . Intestine (Small) Kidney sr? —HH90 31 12 L.5 L.2 2.3 3.3 ‘ Remaining Tissues Total Bult? m tom) t= ra} 4660 860 0.40 &.0 0.22 0.22 0.62 0.21 0.33 2.4 0.20 1.1 0.50 0.42 Rure Earth m1) 1010 — 6.4 4.2 0.8 1.3 0.51 0.74 690 Total 9620 Urine Sample, 24 hr (5/27) 13 Urine Sample, 24 hr Average for days 82 to 5667 665 8.7 1620 1.2 1.6 2.6 4K post-cx posure Ply #25 (22.7 kgm) Skeleton (total) Liver Colon & Contonts Lung (Alveolar) Stomach Intestine (Small) Kidney . K6U0 27 16 1.1 2.0 2.6 , 3.1 Remaining tissues 5100 0.53 5 0.26 0.29 0.83 0.14 530 0,20 3.2 0.23 0.13 0.48 0.19 690 5.5 4.9 0.33 0.30 0.88 0.52 _534 0.40 702 0.54 220 ’ Total Urine Sample, 24 hr (5/27) Urine Sample, 24 hr Average for days 82 to 88 post-exposure 8870 6.2 8.1 5107 4.4 ls Tota) Average Per cent of Individual Radioelementa sr® Ba’ Rare Earth Skeleton Total Body Urine (24 hr) 62 58 6Y 6.8 6.5 7.9 9.7 9.0 10.5 is separated int 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 !#° _ 9.022 pc Rare Earth Group — 0.030 uc Others — 0.09 ye 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 ex- ponent was derived from Cowan, Sr*’ humaninhalation data, and it corresponds very closely . « . . .: ‘ i: ae See . eo . eee - eee . oa ~ ese 7 * een » - 2 . «© a8 e . ee . ee a * @ e898 eu of 8 8 . eo . 8 8 eee 88 * « =» se oe ee 7 + - # a * @6¢68 * Seere ee mye wow i fae Table 5,20