,
hours, 25 July, cuteids cur quarters in Rabaul, was established to be
0.06 to 0.07 ar/hr beta and gama, ‘This figure wes confirs:d at the
Rabaul Publis Health dutherity Medical Clinic on 26 July.
Both the TAXUYO MARU and the SATUMA MARU were boarded the morning
The entire exposed superstructure, ineluding
of 26 July for the purpose of making a detailed mrvey of radiation
dose-rates on the ships.
the decks, bulkheads, snd exposed equipment such as winches, camvas,
covers, rope, and mings, were monitored wing on MX-§ instrument,
Similarly, the
This incluied officers end crew quare
Readings were essentially background on both ships,
interior spaces were monitored,
ters, mess, baths ond heedes the galleys, the wheelhouses, the chart
The readings in these interior spaces on both ships were lower
rooms, the laboratories, md such spaces as paint, chain and stowage
lockers.
than background, While many of the crew nembers followed Captain Joeke
because af curiosity, Chief Mate Oyema of the TAXUYO MARU and Captain
One crew member of the SATUMA tock still pice
Tanaka of the SATUMA “ARU watehed the taking of ell measurements on
their respective ships.
tures of the monitoring precedures,
It is interesting te nete that on the SATUMA MARU, two bDrass-colored
metal parte of a gun, a fuse setting ormk and a gunsight showed radic-
activity, ‘The readings were 10 ar/hr beta-geune and 1.2 ar/hr gama only.
The Captain wes
The guns were covered during the entire veyage amd the rest of the gun
end the canvas cover ware at beskground intensity.
quisk te let us know thet these parte were fron metal of United states
origin,
Radiation readingstaken sbocrd the skips fellows
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