A 100 80 50 30 A = 80.5e-0-0653z BIKINI: 20 {0-40cm) Go Cs-137 SPECIFIC ACTIVITY (pCi/gm) ROOTING ZONE = 28.6 pCi/gm A = 5.53e-0.0524z ROOTING ZONE = 2.31 pCi/gm (0-40cm) ! rT tt 10 20 30 5 i t 40 50 = 60 DEPTH (cm) Figure 4. 9000058 Cs-137 Specific Activity As A Function of Soil Depth (1987). 62