20 Table 4. Mean concentration of V37 66 906... 2a) am and 239,240, in surface soil samples collected in 1974 and 1975 on Christmas Island in the Line Islands and 6n six atolls in the Marshall Islands4. Collection Site Christmas Island Wotho Atoll Wotho Island Utirik Atol] Utirik Island Rongerik Atol] Eniwetak Island Ailinginae Atol] Mogiri Island Ucchuwanen " Rongelap Atoll Rongelap Istand Mel lu Kabelle " “ Gegen Lomuilal " “ Lukuen " Bikini Atol} Bikini Istand Nam " Enedrik “ 137 Mean concentration in pCi/g, dry (ny? Cs 7055 <.08(8) 24) a 22952405, 4 na° ns© na y.2 0.107) 0.34 0.1(1) 0.08+ 0.06(1) 0.16+ 0.06(1) 2.84 1.6(5) 2.7+ 1.7(4) 0.274 0.06(5) 0.774 0.15(4) 3.4 + 2.7(9) 3.9 + 2.5(5) 19 + 16(9) 8.44 24 30 19 79 110 130 210 2.2(2) + 29(2) + 13(6) 18 + 11(6) 5.6+ 7.62 8 + 1.9(3) 4.8(2) 101) 1.5 + 1.3(2) 2.0 + 2.2(2) 1.6 + 1.0(6) + 0.7(2) «+ 68(4) 120 140 + 36(2) + 78(3) 2) 20.0 + 4.2(2) + 104) + 88(3) «+ 70(7) 260 240 +140(3) «+130(7) 45 28 +17(3) +107) «+ 61(6) 10 +100(75) 270 +350(5) 9.34 8.2(4) 270 130 390 40 +=+140{5) +130(15) +450(5) + 46(4) 24 «+ 9(6) 3.1 + 2.0(3) 4.0 + 4.3(2) 3.1 + 3.5(5) 32. 14 + 5(2) =+16(3) 6) 31 +29(3) +16(2) 46 6.1 £ 5.7(15) 65 +73(5) 80 2.4 + 1.9(4) 23. +12(3) +12(14) +85(5) + 6.9(4) a. Only data from samples collected more than 50 m from the beach were used in this tabulation. b. nis the number of samples used to compute the mean. c. na = not analyzed; ns = not significant. Single sample (n=1) errors are two-sigma, propagated, counting errors, whereas the error for more than one (n>1) sample is one standard deviation of the mean. DOE ARCHIVES