1.
Radiation Readings - TAKUYO MARU
Date:
7-26-58
Instrument:
MX-5 Beta~Gamma Geiger Counter #1146
Background ashore:
2200 hours 25 July 1958:
0.06-0.07 mr/br Beta-—Gamma
All readings on exposed outer surface unless noted.
in contact with the surface.
Beta shield open.
Probe held almost
Only maximum reading
recorded over each area examined.
Top of hatch - steel painted
Anchor winches - canvas cover
Winch
Rope coil on deck
Wet bumper coil
Canvas cover over steel cable
Forepeak Spaces - Enclosed
Paint locker
Stowage locker
Chain locker
Deck awning (in place on 14th)
Coil fire hose
Forward Deck = Exposed
Winch cover - canvas
Oily surfaces around winch
Deck surfaces - wood - portside
Windlass cover - canvas
Deck surface - wood - starboard
_
Wooden bench
mr/hr
0.07
0.08
Reel steel cable - canvas cover
0.03
0.02
0.05
0.09
0.07
Rolled up at
)
time of reading)
to 0.09
This had not)
been cleaned)
0
oO
Deck surface - wood - aft
Winch cover — rubberized material
O
0
Engine room ventilator area
Lifeboat - canvas top - forward - port
Vegetable locker - painted canvas
0
0
0
Lifeboat - canvas top - aft - starboard
.
0.07
0.07
0.07
7
Boat Deck ~ Exposed
Life raft cover - painted fabric
-
0.05
FESaS8
Forecastle - Exposed
Reading
Oo59909000
location
0.
3/