-21-
Kabelle Island, Rongelap Atoll, on July 18,
2.
1957.
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 Fed . a non-fission product.
4.
Other radioisotopes present in much smaller amounts included
Ru106.Rp106 5790 y90 og137 gn54 C989 77951595, and Cod?