TABLE 3.10 ~ Derivad Values from Know I nsity Ratio of 1600 kev Gamma Ray La to the Other Gamma Rays in Lat490 oy3 pal40 Isotope Cer From Lal40 335 " " Gamma Activity at Time of Shot 106 Gamma Rays/min/gn 0.395 + 0.015 490 820 n 164 1.0 2510 From Bal40 00195 + 0,015 30 40 162 " " + 0.12 + 0.09 Zeb 304 0.51 537 Les + 003 + Oo? + 0.03 + Ge “41a240pq140 are ussumed to be in secular equilibrium with a half life of 12.8. dayse TABIE 3.11 = Important Gamma Contributors to Shot 4 Activity* In | Sarma Ray ate-lite i Gs Days oS 145 6 1 309 264 340 500 33 55 5 6 1 700 750 6 ” 500 40 7150 | | 1600 + * at 35 12 of at Time of shot Possible Gamma Activit 10° GammaRaysningm isotope 03 £ O6 N oe a3” venaee 0.095+ 0.05 13° +3 6 +43 308 +1.1 2h +005 Ce U237 and Np239 0-37 and Np239 0°37 and Np239 Nalé? 9 11.4 +1.0 0.25 + 0.05 Bel 309 +1led + 003 36 + 0.3 0657 + 0023 At times greater than 10 days after the shot =6Combined 83 Notidentified Rut03 Not identified Not identified Not identified Lal40