These are shown in Tab B, Appendix IIT. All perte of the TAXUYO continued to be washed snd rinsed each werning wrtil reaching Rabanl at 0900 hears JST, 19 July. Decontamination of the TAKUTO personnel was also commenced on 15 Jaly om advice from Tokye. Men were directed to shampoo and shower, and the clothing of the crew was washed and monitored, On arrival at Rebenl, each crew manber wes given a hairect. The SATUMA did not encounter rain (position 1519 Bast and apprexie mately West of the TAKUYO) and the officers routinely monitored their radiation level using their geiger counter and dosimeter, By this means they felt assured thet the SATUMA had net encountered fallout radiation and ves net conteninated, We decontamination measures were instigated. Om arrival in Rebenl, the ship was monitored, using the TAKUYO seiatilletion coumter, and the Captain advised us that all readings were at beck~ ground levels, Monitoring wes done on 18, 20, 21 and 25 July. Swipes were ale taken om the SATUMA using ordinary checmical filter paper with am ares of 4.9 square eentinetera and swiping a 100 square centineter area, The swipes vere ashed and counted, using the geiger counter. The monitoring and ewipe results ere given in Tab B, Appendix IV, D. RADIOLOGICAL SURVEY OF SHIPS Twe Beckuan ME~S (Serial You, 1146 end 65014) geiger counters and one Chatham COV<700 (Medel 3, (6306) geiger counter were used te estab Ligh beskgreand radiation reedings in Rebaul, ‘hese inetrements vere ealitrated the day prier to departure for Robenl ty Task Greup 7.1 and Task Oreup 7.5 Red-Gefety ergmisations. On return te Enivetok the ealiwatiens were confirmed, & oy a A deckground dese-rate reading, taken ct 2200 oa . . at 7 " _ * . ee le te, atte: a: nee .- ar