Reading

RRS

Poop Deck - Enclosed
Capstan ensign space - deck

oo°0

-

f

Location

Rope Coil

Steering engine room oily floor

entrance

Quarters - Enclosed
Crew's mess — benches and tables

)

0.04

Deck

0.04

Clerk's room - deck
Crew's head

0.05
0.05

Officer's bath
Officer's mess

0.05
0.05

Officer's head

0.04

VIP quarters - rugs and chairs

0.04

Work spaces ~ Enclosed

laboratory ~ work tables and floors

0.05

Galley - floors and work areas
Observation room (Scientific) - chairs, ©

0.05

Wheelhouse - deck
Flying bridge - portable canvas cover

0.06
0.05

Wireless room - deck
work space, decks

Upper bridge - Exposed

Deck grating - wood

0.05
0.05

0.07

Compass cover — canvas
Instrument cover - canvas

0.08
0.08

Miscellaneous

Engine room - sea suction

0.05

Air exhausts into room

2.

Hatch only)

0.04

Radiation Readings - SATUMA 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.
contact with surface.

Beta shield open.

over each area examined.

Probe held almost in

Only maximum readings recorded

DOE ARCHIVES

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