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/hr Beta-Gamma
All readings on exposed outer surface unless noted.
in contact with the surface.
Beta shield open.
Probe held almost
Only maximum reading
location
Forecastle - Exposed
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
Fe
recorded over each area examined.
0.07
0.08
0.05
0.07
0.07
0.07
Peint locker
Stowage locker
0.03
0,02
Deck awning (in place on 1th)
0.09
Chain locker
Coil fire hose
Forward Deck - Exposed
0.05
Rolled up at
Winch cover - canvas
Oily surfaces around winch
Deck surfaces - wood = portside
0.09
0.07
0.05 to 0.09
‘Deck surface - wood - starboard
0.08
Windlass cover — canvas
Wooden bench
Boat Deck = Exposed
life raft cover - painted fabric
0.09
0.11
0.06
Reel steel cable - canvas cover
Deck surface - wood = aft
0.05
0.12
Lifeboat —- canvas top ~ aft - starboard
0.10
Winch cover - rubberized material
Engine room ventilator area
Lifeboat - canvas top - forward - port
Vegetable locker - painted canvas
)
0.07 time of reading)
0.08
0.06
0.09
0.08
This had not)
been cleaned)