TABLE B-4-6. RATIO OF THE 24lAm ACTIVITY AS A FUNCTION OF DEPTH Stake No. 0 cm 8-B-0 1-N-1 3+5-1 §.5-S-3 6-S-1 9-S-2 11-S-5 5-N=1 5-$-3 8-5-4 1-8-1 Average = x - 1.0 10 em 20 em 1.0 1.0 1.0 1.0 1.0 2.05 0.87 0.54 0.25 0.06 0.36 0.60 0.45 0.24 0.02 1.0 1.0 1.0 1.0 0.43 0.80 0.18 0.37 0.27 0.58 0.12 0.25 1.0 1.10 1.0 0.78 0.56 0.31 x = 0.66 X = 0.36 o= 0.56 g v= 0.22 a K = 85% B-4-5 X = 62%