TABLE 3.23
COMPARISON OF STANDARD AND UNDERWATER GAMMA RECOKDS
Actcal Position
Bearing
Distance
From
From
Surface
Surface
Zero
Zero
deg (true:
ft
=
:
Nominal
Pos:tion
Ss
j
GI
standard
Camuiative
Dose at
3 Minutes
Underwater
Cumualive
Dose at
3 Minwtes
r
r
Ratio
veg
UW Std
Calculated
Depth of
UWGITR
inches
Wahoo:
CLA
159
CL4.6
15's
3,0"
D a.0
256°,
DR 45
DR i...
283
263
4, 5F10
2400-0
336
4,190
CR a!
CRi2
34,
234
#.68u
16.6
150
8)
63.8
$27
0
142
5,200
0.0769
0
326
12
0
12
0.000251
0.00000365
68
4.133
Q
0.00252
-
45
-
3.99
O.c2e2
24.3
18
0.0674
13
Umbrella:
ui 1.8
081.5
1,760
755
0.876
i
DR 4.5
263.5
4,330
No data
14.4
-
-
ORR 3.9
279.1
. 3,940
163
17.3
ids
DRR 6.7
278.1
t
o>
6,740
|
10a
|
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:
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55
|
it
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|
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1
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|
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;
1
ad
0.uGt0-444
;
|
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o7
0.048
|
+
0.8
bo4
:
1
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|
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=
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nm
2
ud
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a
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4
8
2
16
DEPTH
20
!;
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24
26
(IN)
Figure 3.138 Ratio of underwater dose rate as a function of depth
(calculated for 1-Mev gammas).
:
248
32