Appendix Table 18 Predominant Radionuclides in Soil Collected on Kabelle Island, Rongelap Atoll, in April and December, 1974 Date Site 6065 1256, a5 0.6940.06 0.5420.19 58 40.5 3.3+40.2 " " " 5-10 10-15 15-20 0.6840.06 0.2540.04 0.1240.02 0.4840.25 0.3440.11 0.2240.06 37 +0.4 14 40.3 4.440.1 40.1 2.0 40.2 40.1 0.0640.01 0.1140.03 0.19+0.05 20 meters west ment (Pit #6) " " " " " " Pit #7 Algal 3.6 +0.2 nsS> 0-2.5 2.5-5 5-10 10-15 15-25 25-50 0-2.5 2.1 40.1 0.34#0.07 0.2240.05 0.13#0.03 0.0740.03 0.0540.04 2.9 40.18 0.8240.43 177 40.7 9.140.4 ns 4.640.2 0.2140.12 0.1340.10 1.840. 1740.08 0.264009 0.840.1 ns 0.39+0.09 0.4+0.1 ns 0.2540.08 0.2+0.1 ns 1.9+0.30 31 40.5 15 +0.6 0.6540.21 29 40.4 1.740.2 " " " 5-10 10-15 15-25 0.4340.05 0.1740.05 0.1240.03 0.5740.20 0.3440.21 0.1540.13 23 40.3 15 40.3 5.640.2 0.7940.18 ns 0.3740.13 1.3 40.2 0.3020.17 0.2940.13 na na «+ na na na " " 25-35 35-40 ns 0.06+0.04 ns ns 0.5+0.1 0.3+0.1 ns ns ns ns na na na na Collection April 1978 vanganus areas " " " Dec. 1974 " " " " " " Dec. 1974 i a. b. " " of rain catch- Pisonia forest Island center " " " Radionuclide concentration in pCi/g,dry® benth(em) Collection crust 55.6 09.6520.07 137, 155p, «488 41.5 13 241, 239,240, 90g. 3.1403 6.840.8 na na na na na na na «40.5 18 40.5 11 40.5 0.3340.10 0.08+0.07 ns 0.1340. ns 19 +0.6 2.3 40.2 11 41.5 5.1 40.5 0.1720.05 na na na na 5.1406 3.2 +0.2 301456 223220 19+ 1.8 na na na na 69+ 6.4 31+ 3.6 o The error values for all radionuclides listed except 90Sr and Pu are two-sigma, propagated, counting errors for a single sample. The error value for 90 Sr and Pu is the two-sigma counting error for a single sample plus an analytical error. ns = not significant; the net sample count is less than the two-sigma, propagated counting error. na = not analyzed.