CHAPTER & RESULTS 4,1 SHOP 1s _STZB-GRADED FALLOUTFROM HOW In order to obtain activity per unit weight of active particles only, correction must be made for the per cent of inactive particles {in the semple. The values for per cent active particles (by volume) obtained from the autoradtogreptis are listed in Table 4.1 along with TABLE 4.4 Per Cent Active Particles ~ Shot 1, How Station Particle Size in p . 5.08 10.3 23.3 29.5 43.7 62,4 70.5 85.8 Observed Per Cent Active Particles . 16 11.3 48.5 49.6 36.5 84.8 95.3 84.5 75-8 §1.6 172 79.9 215 239 Ms 4,16 63.7 113 116 Per CentTetive Particles from 7504 96.8 96.9 35.8 84.8 86.8 86.8 86.8 86.8 86.8 86.8 86.8 86.8 the values read from the smooth curve (Fig 4.1). Table h.2 lists ole vity,conce rations (acti ity per unit weight of fallout) of Ca grey 7295, Sooo, ba 8 and cell and the gross activity concentrations for the vagjous ae1B ardGe correctedaf,oF per cent active particles. Data on Kac4 are not included because Na@ samples were containated with BaluO, When it was learned that the shot device contained sodium _tracer, it did not appear worthwhile to undertake the task of resolving the decay curves. 28 SECRET — RESTRICTED DATA