ss are 218 ” You are right, but due to the fact that we think that 50 per cent of it has disappeared from the air, we have accounted for ' 2/3 of what we will account for. | DR. BUGHERS I see where the ratio is shown, but I don't see where the conclusion follows; where the fractionation has occurred, DR. J. HARLEY: We can ascount for a factor of 1.6 by the measurements that Doctor Brandt has of just losses on the gummed paper, Here we have a factor of four, may be that our locses of strontium 90 are It higher than for total mixed fission products or that, further out from the teet site that you get more strontium 90 than you would pre= dict from Hunter-Ballou, ~ 7 DR. BRUESS You don't have 2 -a@ Afireot measurement of etrontium versus total aotivity on gummed paper goon+ enough efter a shot, . . DR. J. HARLEY: We have found that these ratios vary from what Bunter-Bellou predicts and it ia our opinion based on just that accumulation of evidence, that the percentage of strontium is low, near the test site that

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