he

Table 10.4—DAISY (COCHITI)*t
Date
1952
3
4
5
6
7

Time

Ground reading,
mr/hr

Airreading,
mr/hr

Nov.
Nov.
Nov.
Nov.
Nov.

0751
0821
0820
0806
0751

- 7,000
5,700

2,000

Island
Island
Island
Island
Island

8 Nov.
9 Nov.

0805
0756

4,500
3,300

1,800
1,500

Island center
Island center

1623
0820

2,200

100
1,000

Island center
Radiation varies
with location

1,000

Faaiation varies

11 Nov.

0806

18 Nov.

0804

16 Noy.

1235

17 Nov.

0820

12 Nov.
14 Nov.

1,400

8,000
10,000
6,000

Remarks

800

800
700

center
center
center
center
center

with location
Ridiation varies
with location
Radiation varies
with location

-

19 Nov.

0850

21 Nov.
.

0950

1983
3 Jan.

700
900

Radiation varies
with location
Radiation varies
with location
.

200

Radiation varies

10-200

Radiation varies
with location

with location

7

1 Feb.

*1 nautical mile from ground zero.

tAssuming that radiation decay follows a T~'-* law, extrapolation in-

dicates that radiation readings greater than 2500 r/hr would have existed
at H+ 1 hr. Limited recovery (10 min) could commenceat if + 38 hr.
?

Select target paragraph3