TABLE IvV-3
BRAVO FALLOUT EXPOSURE RATE DECLINE BASED ON MILLER'S DECAY ESTIMATES

Rongelap Island, Rongelap Atoll
Time Post Detonation,

Exposure
Rate, (1

Integral
Exposure , ‘2

Time Post Detonation,

Exposure
Rate, (1)

5
7
9
17
20

12
9.0
7.3
4.4
3.8

21
37
B4
96

17
19
21
24
27

0.46
0.42
0.39
0.35
0.31

0.88
1.7
2.8
3.8

30

2.7

130

35

0.24

6.0

hours

25

35

40
45
SY

Utirik Island, Utirik Atoll

R ha!

R

3.2

110

2.3

140

40

180

75

2.0
1.8

54

hours

30

150
160

1.53)

45
55

78

R ha!

0.28
0.21

0.19
0.15

0.10(4)
0.095

Integral
Exposure , (2)

R

4.7
7.1

8.1
9.8

12

12

Sifo Island, Ailinginal Atoll
Time Post Detonation,

Exposure
Rate, 1

3
5
7

6.4
4.0
3.0

15

1.6

hours

9

20

Rho!

2.4

Integral
Exposure, 2
R.

10
17

(1)

In air at about one meter above surface.

35

(2)

Numerical integration.

48

(3)

Village average: maximum was

(4)

Village average; maximum was

(5)

Village average; maximum was

23

1.3

42

30

0.88

53

40

0.66

25

35

45

50

57

62

1.1

0.76

57

61

0.59

64

0.45

70

0.53

0.4165)

67

72

1.9 R h7/; U.S.S. PHILIP report (0C68).

0.13 R h7!; U.S.S. RENSHAW report (0C68).

0.48 Rh7!; U.S.S. PHILIP report (0C68).

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