, 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 BEST AVAILASLE COPY