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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