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Table 1-
r—-radiation on the survey vessel
Table 2.
Counting rate i Survey meter
_| Exposure
Ccopm)(1.5"x1.5" reading (ur/nr) dose
Measurement sites
Nal(T1))
Environmental radiation
monitor site
:
(ar/nr)
),00-1,50
1.5
Scintillation probe site 100-600
1.5
Quarter deck
100-600
7
|
The total
investigz
;
|
pite
af
Refrigeration room
Passage inside boat
0.8
Store room
Navigation deck
650
Starboard & Port bridge
550
Wheel house
530
Inside of 5cem Pb shield
210
Inside of store Poot
61,0
Crew quarters
Outside of store noon
L100
Wireless room
In sea water
Galley
2.0
0.5
Leb
Engine room
0.0
Management room
Chart room
200-300
Tokyo Bay Im depth
245
Tokyo Bay 5m depth
235
Tokyo Bay 1Om depth
232
Bottom of Tokyo Bay
8L0
During landing at
Honolulu harbour
During landing at Tokyo
harbour
Enginers room
|
Saloon
1200
1.4
1100
1.3