Table 14 Average Estimate of Radioiodine Activity in Cistern Water and Time After the BRAVO Detonation Rongelap Island, pCi cm734 Hours Post- 135 BRAVO I 5.5 4.0x1072 17.5 20 3.8x1072 2.9x1072 7.0 9.0 12 25 30 35 40 45 50 54 1.3x1072 1.0x107! 6.8x1072 1.6x1072 1.0x1072 6.0x1073 3.5x1073 1.9x1073 1.1x1073 7.4x107~4 134, 132, 131, 130, -1.8x1072-2.6x1074 3.8x1073 =6.8x1074 (9. 6x1077) 7.0x1075 9.5x1077 4.8x1072) 4.5x1072 1.6x1072)-2.7x1079)1.9x1076 1.5x1072)) -2.7m1073) 1.7x1076 - 1.9x1072 2.5xl1072 2.4x1072 5.5x1073 5.7m1074 1.7x1078 7.8x10710 6.5x10713°) 4.9x10716 - 133, 133m, 6.7x1072) 6.4x1072 §..7x1072) 4.1x1074 —1.2e1074 9.6x1078 3..8x1072) 3.1x1072 2.6x1072 2,2x1072 -55.4n10719 1.2x10711 =5.9x107!5 1.6x1072 1.5x1072 =—.1.6x1072))—2.7x1073))3..6x1076 1.6072) 2.7%1073 3.3x1076 )3=—1.7x1072)-2.7x1073) 223x107 1.51077) 2.2x1078 ~ 6.6x107!8 - 129, 3..8x 10713 -2.7x10712 3. 2x 10712 3..9x10712 4. 2x1 0712 4 4x1 0712 2.4x1072 1.4%]072 1.3x1072 =1.2m1072 2.7K1073 2,.7x1073) 2.6x1073) 92.6x1073) 3=01.2x1078 9-8 .1x1077 -6.9x107?)— 55..7x1077? 4. 7x1 0712 - 4.7x10712 4. 7x10712 4. 7x1 0712 1.1x1072 2.6x1073 =2.2x107?) 4. 7x10712 1.2x1072 L.1x1072 -2.6x1073 2.6x1073 3.8x1077?) —-2.0x1077) 4. 7x1 0712 4. 7x10712 Sifo Island, ,Ci cm738 3.5 5.5 7.0 9.0 1.2x1072 1.9x1072 1.5x1072) 1.2x1072 1.6x1072 1.2x1072 3.0x1073 6.8x1074 17.5 20 4.5x1073 3.6x1073 8.4x1077 1.2x1077 30 1.2x1073 9.7x10711 4.3x1074 2.4x1074 8.1x10714 - 12 25 35 40 45 50 54 62 8.4x1073 | 2.0x1073 7.5x1074 1.4x1074 9.2x107> 3.8x107> 7.ixl075) 4.1x1073) 8.6x1073 8.3x1073) 8.0x1073 -7.1x1073) 8.6x1074 1.8x1073 1.51077?) 3.31074 2.4x1077) 4.6x1077 1.2K1073 2.1x1073))—3.4x1074 2. 9x07?) 5.1x1075 1.5x1075 2.0x1073) 2.0x1073 -5.8x1073) §.6x1073) —-1.8x1078 —-2.7x1079)) 3.9x1073) =-1.5x10712 1.7x1073) 2.7x1073) 2.4x1073 7.3x10716 - 1.5x1073) 1.5xl073 2.1x1079 4.7x1073 - 3.2x1073 6.1x10717 2.9x10721 3.5x1074 1.2x1074 2.01073 1.9x1073 1.4x1073 =6.5x107!!) - _ =8.2x10719 - 3.4x1074 3.4x1074 =s.1..9xl073) 3.4x1074 —-4..9x1073)3..4n1074 3945x1077?) 4.11077 )=—3..4x10713 =4.0x10713 2.31077?) 2.11077?) 55. 0x10713 5.410713 «1.7x1073 3.4xn1074 1.6x1073 3.2m2074 8.6x1077) 3.2n1074 3.21074 3.2x1074 =. 7x1078 2.5x1078 2.0x1078 =1.4x1073 1.4x1072 1.3x1073 -3..4m1074 3.2m1074 3.2x1074 8. 3x1 0714 1.8x10713 =61.5x1077) 1.0xl077?) 7.1K1078 94.7x1078 4. 9x 10713 55. 8x1 0713 5.80713 5. 8x1 0713 3=—-55.8x10713 =5..8x10713 55. 8x1 0713 ~=—55..8x10713 5§.8x10713 Utirik Island, ,Ci cm73# 17.5 20 25 30 35 40 45 50 54 75 1.3x1073 5 .8x1073 5.3xl073 3.3x1073 2.0x1073 1.2x10-3 6.3x1074 3.7x1074 2.5x1074 2.3x1079 2.3x1077 1.6x1073 1.9x1077 9.0x1073) 5.7m1079 9=.1.3n1072) 2.6x10710 1.0x1072 8.7x1073 2.2x10713 7.3x1073 6.3x1073 1.6x107!6 5§.3x1073 §.0x1073 2.4x1073 5.0n1074 4.41079 4.71079 4.0x107!2 2.0x107!5) 2.2x107!8 - 8Multiply by 3.7 x 107 to obtain Bq gi. - 43- 5.3x1074 2.8x1073) =-55.0x1073) 5.0n1073 4.3x1073 4.0x1073 4.0x1073 3.71073 3.7x1073 2.5x10-3 9.0x1075 55.4x1074 9.0x1074 9.0x1074 8.721074 =8.7x1074 8.7x1074 39.7x1074 =. 7x1074 8.7x1074 6.3x1078 3.41077) 4. 0x07? 2.7x1077? 2.3x1077) 1.9x107?)~—s. 1.3x1077 7.3x1078 6.71078 1.8x1078 1.4x10713 9..4x10713 1.6x107!2 1.6x10712 1.6x10712 1. 6x1 0712 1.6x10712 1.610712 ~—s1 .6x10712 ~=1.6x10712

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