-21-
Kabelle Island, Rongelap Atoll, on July 18, 1957.
2.
The presence of two radioisotopes not previously reported in
samples from the Eniwetok Proving Ground was demonstrated.
These
isotopes were antimony-125 and europium-155; they contributed respectively 3.74 per cent and 1.41 per cent to the total radioactivity.
3.
Of the total radioactivity, 41.7 per cent was due to Ce144.p, 144
and 40.6 per cent to Fe?5, a non-fission product.
4.
Other radioisotopes present in much smaller amounts included
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