, : * - . wre, segues f°if se RADIOCHEMICAL ANALYSIS OF‘TISSUES AND URINE OF RONGELAP PIGS St ee acne Table 5.2) ~~ , : ee ~ Botu Activity d/m/total Sample te Groxs cee Activity Sample °5 - (« 1073) ee Pig #24 (25.8 kgm) Skeleton “Faago Liver 31 Colon & Contents Lung (Alveolar) Stomach Total sy”? m 107) ote 5660 660 L. . 0.22 2.3 0.62 Total 9630 Urine Sample, 24 hr (5/27) be 1000 ae 0,20 0,8 RO 0.50 ~ 0.51 m 0.42 3.2 te 0.74 5100 0.53 530 0.20 1.1 2.0 0.26 0.29 0.23 0.13 0.33 0.30 3.1 0.14 0.19 0.52 1.2 te. 1.3 665 8.7 7 . 5667 13 Urine Sample, 24 hr aw 107y : 1a 0.21 690 Rare arth 6.4 2.4 0.22 3.3 Remaining Tissues 0.33 5.0 1.5 1.2 Kidney _ 0.40 12 intestine (Small) Bald? i: . 1020 : 1.6 9.6 Average for days $2 to 88 post-cexposure Pig #25 (22.7 kgm) Skeleton (total) Liver 8600 27 Colon & Contents 16 Lung (Alveolar) Stomach Intestine (Small) Kidney - , Remaining tissues 5 2.6 3.2 0.83 0.88 690 5.5 4.9 Total in ; 8870 5107 Urine Sample, 24 hr (5/27) 6,2 Urine Sample, 24 hr 8.1 Average for days 82 ° 0.88 220 _534 4.4 702 0.40 - to 88 post-exposure Average Per cent of Individual Radicelements 0.54 = Sr Ba‘? , Total Rare Earth Skeleton 62 6.8 9.7 Total Body 58 6.5 9.0 Urine (24 hr) 69 7.9 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 pc Ba'* — 0.021 yc Rare Earth Group — 0.030 pc Others — 0.09 pc ‘ it The excretion rate of Sr and Ba can be described empirically by a power function, At = At”? where n is 0.4 and Ay is the activity remaining in the body at time t (days). The ex- ponent was derived from Cowan,® Sr®® human inhalation data, and it corresponds very closely aooe . 94 eeeene ry " “ “tay f (AH Values Corrected for Decay to Day of Sacrifice, the Band Post-exposure Day) { [ E t