or. 1004 FIGURE 4 PERCENT RETENTION OF STRONTIUM-90 FROM RONGELAP FOOD (From Excretion Data) 7074 504 40- 30-4 % Sr Vo from Rongelap food, retained 60% 20 10 T 60 t T ' i oP 1 { 70-80) 9st days after eating Rongelap food 164 T 140 150 qT 160 qT 170 . 160