Table 5. Relation Between 229Pu/!"7pm and Particle Size Scaled Substrate 1 -21 Alluvium 1* -21 Test No. 99S Particle Size Range Height of Burst (ft.) Lower Limit Cum) Lower Limit (um) Number of Points Exponent Standard Value Deviation 7 3.4 850 14 -0.39 0.22 0.451 0.91 0. 62 120 13 -0,32 0.20 0,440 0.88 Correlation Coefficient Significance Level 2 0.3 Coral 0.76 68 12 0.073 0.032 0.579 0.96 3 0.6 Coral 0.54 91 13 0.29 0.15 0.506 0.92 4(a) 2.7 Coral 0.58 100 13 0.30 0.49 0.397 < 0.90 4(b) 2.7 1.0 54 14 0.50 0.20 0.589 0.98 5 5 Coral 0.49 33 9 -0.081 0.036 -0.646 0.95 6* 42 Coral 0.34 16 11 0.14 0.20 0.214 <<0.90 7* 100 Coral 5.2 9 0.19 0.27 0.260 <<0.90 8* 198 Alluvium 0.25 0.98 4 0.25 0.097 0.845 0.93 gx 229 Alluvium 0. 082 9.7 7 0.17 0.12 0.536 < 0.90 10** 362 Alluvium 0.10 10.5 8 -0.17 0.17 0.379 <<0.90 *Yield range: 0.5 kt-15 Mt 12