Table VI. Fission Products and Radio-calcium in Soil from Rongelap Atoll=L/ Per Cent Activity 2/ Element cerium trivalent zirconium 7500 3/ 7501 4/ 7502 5/ 37. 32. 30. a4. 22. a4. 16. 25. 24, niobium 5.9 7.2 7.0 ruthenium 6.9 6.7 5.9 strontium 4 sy 2.4 2.5 barium 5.5 4 6.2 € .3 < .6 4 . a i fo Bom SSNSsp eget ce+ meme aeOAR a rare earths Sample Number calcium total 100. 100. 100. 1/ samples collected March 26, 1954 and analyzed May 11, 1954, activity as of counting date ES RNRGgr a we '2/ per cent activity corrected for yield and adjusted to 100% recovery 3/ Labaredj Island 190 feet above high tide line 4/ Labaredj Island, 150 feet above high tide line 5/ Kabelle Island, 150 feet above high tide line