Appendix Table 17 Predominant Radionuclides in Soil from Pit #3 on Rongelap Island, Rongelap Atoll, November 1974 Radionuclide concentration in pCi/g, dry4 aneh(cm) 0-2.5 0-2.5 2,545 5-10 10-15 15-25 25-35 35-50 50-60 a. 1256, 0.30+0.09 0.3540.15 1.2 40.12 2.5 40.16 0.8 40.08 0.3 40.06 0.06#0.03 0.10#0.05 0.04+0.04 ns? ns 0.7140.32 2.2 40.3 1.8 +0.2 0.97#0.16 0.1540.10 0.19#0.11 ns 13766 40 40.7 42 40.9 33 +0.6 50 40.7 19 40.3 6.1 40.2 0.6520.06 0.29+0.05 0.3140.05 155. +0.9740.23 0.4840.31 4,040.35 3.9 40.25 0.9320.15 0.2140.12 ns ns ns 241, 1.2 40.2 «1.1 40.3 5.5 20.4 6.3 40.3 1.6 40.1 —-0.54#0.11 0.2420.11 ns 0.07+0.06 239,240, 90. na 0.33+0.06 2.2 40.7 6.3 41.4 na na na na na na 7.840.7 16 41.6 18 42.4 na na na na na errors The error values for all radionuclides listed except 90sr and Pu are two-sigma, propagated, counting sample single a for error counting two-sigma the is Pu and Sr The error value for 90 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. 8P a4 Rh. b. 60,