APPENDIX TABLE 10 ~) ‘Some Radionuclides in Soil Collected at Utirik Atoll] September 1976 Radionuclide Concentration in pCi/g,dry® Island Eerukku " ' Soil Location Depth (cm) Center of Isle " litter 0-2.5 238 241Am 0.97#0.18 2.3 40.21 1.5 +1.4 ns 3.3 +0.21 ns 0.43+0.19 0.17+0.07 " " 5-10 1.9 40.12 0.4740.24 " " 0-15 0.82+0.07 ns ns " " 15-25 ns ns ns " " 25-35 ns ns ns " " 35-50 ns ns ns 3.2 40.21 ns ns 1.5 £0.16 ns " " " " " " " Site #2 " " " " " 0-2.5 2.5-5 5-1010-15 0.5940.07 0.99+0.24 ns ns ns 1.4 +0.15 ns 0.2840.20 0.36+0.09 ns 0.21+0.19 5-10 0.35+0.09 0.92+0.36 ns " 10-15 0.18+0.07 ns “ns " " 15-25 0.07+0.04 " Site #3 " " " " 2.5-5 0-2.5 2.5-5 5-10 1.6 +0.17 0.52+0.10 ns 0.74+0.30 ns 1.3 +0.78 ns oe one tee 0.75+0.09 0.38+0.06 0-2.5 Other ns? 0.1740.11 oe 0.320.190 " Site #1 2.5-5 - 137¢5 " Aon a. Collection , 9°Sr 1.1 40.2 9 ns 0.270.171 ns ns The error values for at] radionuclides are two-sigma, propagated, counting errors for a single sample. 4 ns = not significant; the net sample count is less than the two-sigma, propagated counting error. 26