Table 11
BRAVO Fallout Exposure Rate Decline Based on Miller's (0C68) Decay Estimates
Rongelap Island, RongelapAtoll
Time Post-Detonation,
hours
5
7
9
1?
20
25
30
35
40
Exposure
Cumu lated
R hola
Rb
Rate
12
9.0
7.3
4.4
3.8
3.2
2.7
2.3
2.0
45
1.8
54
Utirik Island, Utirik Atoll
1.5¢
Exposure
Exposure,
Time Post~Detonation,
hours
R hola
21
37
84
96
110
130
140
150
1?
19
21
24
27
30
35
40
45
0.46
0.42
0.39
0.35
0.31
0.28
0.24
0.21
0.19
180
75
0.104
160
55
78
Rate
Cumu lated
Exposure,
0.15
0.095
Rd
0.88
1.7
2.8
3.8
4.7
6.0
7.1
* 8.1
9.8
12
12
Sifo Island, Ailingnae Atoll
Time Post-Detonation,
hours
Exposure
Rate
R noia
Cumu lated
Exposure,
Rb
3
5
6.4
4.0
10
9
15
2.4
1.6
23
35
7?
3.0
17
4In air at about one meter above surface, multiply
42
48
53
to obtain C kg@!.
CVillage average: maximum was !.9 R h7!
USS PHILIP report (0C68).
20
25
30
1.3
1.1
0.88
40
45
0.66
0.59
6!
64
57
62
0.45
0.41&
70
72
35
50
0.76
0.53
by 2.58 x 1074 to obtain C kg! nol.
bNumerical integration, miltiply by 2.58 x 1074
5?
dvillage average; maximum was 0.13 R ho!
USS RENSHAW report (0C68).
CVillage average; waximum was 0.48 R h7!
67
USS PHILIP report (0C68).
- 29 =