near to the west, Lele, are so small as to be little more than wide spots on the causeway. There were some tidal pools in low depressions on these islands which contained mullet and milkfish. The vegetation was primarily scaevola. Radiation levels along the causeway and on these small islands were low and uniform - 6 to 8 pr/hr measured with the scintillation counter and 10 wr/hr with the G-M counter. Some pieces of metal scrap found along the long causeway gave higher readings. Samples analyzed with the spectrometer on the ship showed the contamination to be mostly 8° Co. The western-most island of the complex, Eneman, is largest in extent. The vegetation was quite thick around the tower on the eastern end, becoming less dense near the center and western end. The western end was, in fact, quite desolate, with low depressions of moist sandy soil covered with black algae. Concrete blocks off the end of the island mark the ground zero for the testing of several devices. Extreme variations in radiation levels were found on Eneman. The eastern end was similar to the rest of the complex - 1 to 10 ur/hr. Beyond the center part of the island toward the western end, however, levels ranged from 20 to 60 pr/hr. The areas surrounding the sand craters on the western end were also within this range. The craters themselves (the algae covered sand depressions very near the blast area) were quite hot - from 100 to over 500 ;'r/hr. ‘The highest level measured on the whole atoll was in this area on western Eneman - 570 ur/hr measured with the scintillation counter. Soil samples were taken from two locations on Eneman where these high radiation levels were recorded. Analysis of these samples indicated primarily e° Co activity with considerable **°Sb, **®° Eu, and *°?™Rh activity. 1°6 Rh, *°*kEu, and ***am activity was also seen in the Ge(Li) spectra. There was relatively little ~°’Cs activity. The table below gives the percentage of the total exposure rate due to each isotope at the two locations. - 32 = me eee te eee TT Re pram ge ae teagrerneee seme cee 8 rarcre roceimee ety apenas -—