TABLL ole
LSTIMATED DOSE CONTRIBUTLD BY
RLMOTL-SuOULL
RADIATION OBSERVLI) ON WASHED WEATHER DECH.~
OP THL TARGET SHIis
Remote-Source Contribution to Total Dose on Tk.
Shot
At 15 min After Shot
At 2 hrs After Sient
per
DD 474
Umbrella
DD 392
DD 595
DD 390
Umbrella
Umbrella
Wahoo
pet
97.2%
96.6 *
94.87
94 3T
97.5 *
97.07
96.07
95.57
96.57
96.1 *
90.87
94.97
99.4 *
98.97
98.17
97.67
ene ene ane
Ship
ee
* Estimate based upon use of decay curve (Reference 10).
+ Estimate based upon use of extrapolated measured-decaycurve.
106
!
{
:
NORMALIZED DATS
STATION &
STATION 12
STATION 12
STATION 18
|
105
.
eer
GAMMA DOSE RATE (R/HR)
D-—-—
O——
o—a—--
NORMALIZED DATA
e—— STATION 5
a&--— STATION 7
@---- STATION 21
104
MEASURED AVERAGE
|
MEASURED AVERAGE
|
10
12
14
16
18
20
22
24
26
28
TIME AF TER SHOT (SEC)
30
32
Figure 3.1 Example of estimating average dose rates on deck
of DD 474 for period of GITR saturation, Shot Umbrella.
36
34
36
38
40