TABLE 3.9 RADIOCHEMICAL PROPERTIES OF ALTERED AND UNALTERED PARTICLES, SHOT ZUNI Quantity Time TSD, br fissions/gm (x 10!) fissigns/gm (x 104) (counts/min)/10‘ fissions Altered Particles Number of — _ 6 14 71 4 105 239 ma/10° fissions (x 107 1%) 71 4 239 1 §32 ma/10* fissions (x 107 *7) 105 ma/10* fissions (x 107!) ma/10* fissions (x 107 #7) (counte/min)/ma (x 1044) (counts/min)/ma (x 10%) (counts/min)/ma (x 10%) 3 1 2 3.8 + 3.1 4.242.7 9 24 0.34 + 0.06 0.013 3.4 1 1.7 72 105 5 4 1. £ 0.4 0.12 1 4 2 0.53 + 0.19 7 1 3045 481 0.090 4 0.12 0.033 + 0.035 4 0.35 + 0.08 0.054 2447 10 Value Samples 3 238 Number of Samples (counts/min)/10‘ fissions (counts/min)/10‘ fissions (counts/min)/10‘ fissions Unaltered Particles Value sil 1443 0.024 59 + 24 7 109 4 31 1 5.1 20 4 13 16 +2 9.3 + 2.0 8.6 + 1.5 6 6.2 + 1.3 * Calculated from activity ratios on the basis of particles analyzed for total fissions. TABLE 3.10 ACTIVITY RATIOS FOR PARTICLES FROM SHOTS ZUNI AND TEWA Shot Zuni Activity Ratio Altered Particles Value (counts/min)/ma (x 1044) (counts/min)/104 fissions ma/10‘ fiasions (x 107 !7) 14. 43. 16. 22. 0.35 + 0.08 0.054 24. 27. 3.4 Shot Tewa Unaltered Particles Time Value 105 239 8.6+15 8.241.3 105 239 105 1.1 + 0.4 105 TSD, br 239 105 239 Time Time TSD, hr 11. +6. 96 0.38 + 0.12 239 105 239 0.18 + 0.02 37. +15. 97 172 97 DISTRIBUTION OF ACTIVITY OF YAG 40 TEWA PARTICLES WITH SIZE AND TYPE Percentof Size Group Value TSD, hr 0.12 109. + 31. 20. TABLE 3.11 All Particles Composite Total Activity Percent of Size Group Activity Irreguiar Spheroidal Agglomerated microns 16 to 33 <0.1 23.4 76.6 0.0 67 to 99 6.0 46.4 37.5 16.0 34 to 66 220° 88.1 5.0 6.9 100 to 132 11.6 68.6 6.7 24.6 133 to 165 166 to 198 18.2 18.9 43.4 49.3 5.7 1.9 50.9 48.8 199 to 231 232 to 264 8.1 9.9 58.0 14.7 6.0 0.0 41.9 85.3 265 to 297 7.0 14.6 0.1 85.3 298 to 330 UL 18.5 0.0 81.4 331 to 363 0.7 _ _ 100.0 2.2 97.7 _ _ 364 to 396 397 to 429 1.7 _ 0.0 _ 430 to 462 0.6 23.8 76.2 0.0 463 to 495 496 to 528 _ 3.4 _— 100.0 _ 0.0 _ 0.0 64