20 10 3 T T T J 10° ¥S ' . § x s Sb’ SPIKE Vio b » a SS g 4 Jk SOIL 9-10" 10! L 0.5 | 10 i 1.5 MEV Fig. 10. Gamma-ray spectrum of young soil from a depth increment of 9 to 10 inches compared with the gamma spectrum of Sb 5, 2
20 10 3 T T T J 10° ¥S ' . § x s Sb’ SPIKE Vio b » a SS g 4 Jk SOIL 9-10" 10! L 0.5 | 10 i 1.5 MEV Fig. 10. Gamma-ray spectrum of young soil from a depth increment of 9 to 10 inches compared with the gamma spectrum of Sb 5, 2