oi t
Table 10.5—-SBNa (SAN ILDEFONSO)*t
.
Date .
1952
4
S
8
9
we eee
6,000
26,000
20,000
10 Nov.
0805
8,000
18 Nov.
0800
17 Nov.
21 Nov.
0801
0815
1236)
0810
0945
1953
3 Jan.
7 Feb.
¢
Air reading,
mr/hr
0836
0817
0800
0751
11 Nov.
14 Nov.
mer ye praeage nene ee +
Ground reading,
Nov.
Nov.
Nov.
Nov.
16 Nov.
mr/hr
6,000
3,300
Island
Island
Island
Island
$,000
center
center
center
center
Island center
3,800
2,200
Island center
island center
2,000
Island center
2,200
2,800
1,700
Remarks
1,200
890-1600
100-1000
Island center
Island center
Island center
Island center
Island center
om
‘
*/ nautical mile from ground zero.
fAssuming that radiation decay follows a T7!:? law, extrapolation in-
dicates that radiation readings greater than 4500 r/hr would have existed
Me
Prise rengne rman:os ELE TEE SERGERRAeg mere Dane re nee ne ap Ba aE TO
Time
at H+ 1 hr. Limited recovery (10 mia) could commence at H + 75 hr.
Table 10.6—- FLORA (ELUGELAB)*t
Date
1952
SNov.
8 Nov.
TNov.
8
9
16
18
19
Nov.
Nov.
Nov.
Nov.
Nov.
Time
Surface reading,
mr/hr
Alr reading,
ror/br
0813
8000
0748
20
0813
0754
0148
1630
0804
0347
q
Remarks
$0 ft over water
14
25 {t over water
10
20
2
1
2
25
25
25
25
25
25 ft over water
ft
it
ft
ft
ft
over
over
over
over
over
water
water
water
water
water
*Ground zero.
Crater began to fill shortly after detonation; thus radioactivity of the
crater bottom began to diminish becavse of decay, flushing, and burial.
43
FEL e nnertn
Nn me