Appendix Table 26 Predominant Radionuclides in Soil Profiles 1, 2 and 3 from Bikini Island, Bikini Atoll, April 1974 Radionuclide concentration in pCi/g, dry* Sample Depth(cm) 60-4 1376, 155, are 239,240, | 90... Profile #1 (Behind first house south of the center base-line) 0-2.5 2.5-5.0 5-10 0.27 +0.05 0.35 +0.05 0.37 +0.05 27 37 40 +0..4 +0.5 +0.5 0.32+0.08 0.42+0.08 0.48+0.08 0.39+0.23 0.92+0.23 0.77+0.23 0.44 +0.04 0.53 +0.06 0.42 +0.10 16 22 19 #+ + #+ 4.2 5.8 2.0 15-25 25-50 0.45 +0.06 0.26 +0.04 38 13 0.4 «-+0.3 0.66+0.08 0. 32+0.05 1.2 40.23 0.55+0.11 1.3 +0.08 0.29 +0.02 14 15 + + 1.4 2.8 40.2 0.23+0.08 10-15 50-75 75-100 100-115 115-130 0.30 +0.05 0.04 +0.03 0.10 +0.04 0.13 +0.03 0.09 +0.04 40 +0.5 0.12+0.04 7 11 40.3 9.7 +0.2 0.46+0.07 nsb 0.16+0.06 0.16+0.06 0.734+0.14 ns ns 0.22+0.09 0.33+0.16 0.76 +0.04 0.40 +0.04 0.20 +0.06 0.48 +0.02 ns 14 + 8.54 4.6 + 9.2 + 0.17+ 2.8 17.1 1.2 1.0 0.09 Profile #2 (Row #24, south of the center base-line) 0-2.5 2.5-5.0 5-10 10-15 15-25 25-50 50-75 75-100 100-125 0.27 +0.05 0.38 +0.06 0.34 +0.05 0.27 +0.05 0.15 +0.04 0.15 +0.04 0.17 +0.04 ns 0.04 +0.03 20 26 23. 20 =6—+0.4 +0..4 »=+40.4 +0.3 8.8 +0.22 6 +0.20 2.9 +0.14 0.68+0.07 0.17+0.05 0.4540. 06 0.5140.07 0.4140.08 0.424+0.07 0.25+0.06 0.28+0.04 0.19+0.06 . ns ns 0.66+0.12 0.91+0.14 0.4240.22 0.73+0.22 0.40+0.16 0.37+0.09 0.27+0.16 0.13+0.08 ns 0.84 +0.08 0.76 +0.10 0.82 +0.04 0.63 +0.04 0.44 +0.10 0.21 +0.02 0.38 +0.02 0.074+0.010 <0.008 5.6 + 20 7 15 + + + 1.1 5.6 24 2.8 10 + 2.2 7.1 + 1.0 2.3+ 0.4 2.8+ 0.8 <0.37 Profile #3 (Row #24, north of the first base-line south) 0-2.5 2.5-5.0 5-10 10-15 15-25 25-35 35-50 50-75 5.2 4.5 2.3 1.7. 1.1 0.15 +0.22 +0.41 +0.13 +40.13 +0.069 +0.067 0.041+0.031 0.034+0.032 380 320 150 97 81 7.7 41.9 3.5 +2.0 0.95 +0.56 40.35 4.2 +0.16 2.4 +0.14 7.3 6 2.5 1.7 1.2 +0.25 +0.48 +0.34 40.14 +0.08 ns 0.12+0.09 ns 15 13. 5.8 3.8 2.8 0.56 -+1.0 +0.97 +0.31 +0.17 ns ns ns 9.3 9.2 2.6 2.5 2.3 0.19 +0.2 +0.8 +0.10 +0.12 +0.1 +0.02 0.019+0. 002 0.042+0.008 370 310 150 99 81 13. +100 =+ 30 #+ 13 + 9.2 +12 + #«21.7 <0.21 ns wn © 75-100 ns 0.43+0.06 ns ns 0.081+0.014 ns a. The error values for all radionuclide listed except 90sr and Pu are two-sigma, propagated, counting errors for a single samp le. The error value for 90Sr and Pu is the two-sigma, counting error for a single sample plus an b. analytical error. ns = not significant; the net sample count is less than the two-sigma, propagated, counting error.