~~
{
\
Table 10.9--IRENE (BOGON)*f
Date
1952
Time
1 Nov.
1245
3 Nov.
0802
5S Nov.
0804
4Nov.
6 Nov.
0810
0803
Ground reading,
mr/br
27,000
14,000
8,000
2
8
9
10
Nov.
Nov.
Nov.
Nov.
0739
0745
0738
0803
7,800—10,000
§,000
3,800
4,200
11
12
14
15
16
Nov.
Nov.
Nov.
Nov.
Nov.
0757
1613
0827
0758
1220
1630
2,700
2,400
2,400
2,200
1,600
17 Nov.
0800
18 Nov.
0754
1,500
21 Nov.
0936
1,200
19 Nov.
1953
3 Jan.
9 Feb.
0841
{
Air reading,
mr/hr
Remarks
10,0¢0
1,000
500 ft above blockhouse
1,500 ft above blockhcuse
10,000
8,000
4,600
2,600
1,800
2,000
1,000
1,000
1,200
900
800
500
490
25 ft above island
Blockhouse
{
Blockhouse
General
General
General
General
levels
levels
levels
levels
Genera!
General
General
General
General
General
levels
levels
levels
levels
levels
levels
,
.
General levels
Genelevels
General leveis
General levels
General leveis
General levels
*1'4 nautical miles from ground zero.
tAssuming that radiation decay foliows aT~'-? law, extrapolation indicates.
that radiation readings greater than 500 r/hr would have existed at H + 4 hr.
Limited recovery (10 min) could commenceat H + 50 hr.
|
Blockhouse
.
200
8-80
|
|
!