a ry —- > *, - a | mm! . a a: - . Table 4.21 — (Continued) Analysis ‘ . Trivalent rare Date Sample Area counted Cerium earths Strontium and Zirconium Ruthentum Barium 2 calcium Cestum (?)f Land plants: 99 CAAISSYTONN . ‘a Sedge Engebi 2-1-53 26 24 13 22 4 il 0 Triumfelta Engebi stem 2-1-53 24.5 24.5 14 16.5 4.5 16 0 stems and leaves ‘ *Values represent percentage of total recovered activity. } Activity remaining in solution after precipitation of rare-earth hydroxide and alkaline-earth carbonates and presumed to be cesium. Level of activity too low to pursue further analysis.