Py . fore concentrated on those popolated atolls indicaticrg sare than 10 cw ar/br eat E plus 24 hours and which were nct evacuated. Por this pure pose @ special survey was set up under the technical direction of Dr. Thomas N, White, E Div, LASL, assisted by Major Robert Crea, By JT? SEVEN, to start from Kwajalein on 5 Karck by FSM. Following the survey unmer Dr. White end Major Crea, the next effort was directed toward acquiring data on the evacuated atolls is order that the effects of the radiation could be better evaluated. The investigation included ground monitoring and the taking of soil and water samples froa living ereas. Secondary purposes were efforte to reduce the adverse impact on real and personal property of the basty departure, to determine radiation data of scientific interest and to evaluate the time of reoccupancy by the farmer inhabitants. This effort was assigned to a destroyer in order that working parties would Project 2.5a. The rehabilitation partion of the effort was placed Trust Territory representative in a FSM rendezvous with the destroyer TER at Rongelap early acrning of 8 March, Co) Arrangements were sade to air skip soil and water sazples to EBealth and Safety Laboratory, AEC, Sew Yark Operations Office, Atten- tion Me. Merril Bisenbud. Mr. Eisenbud was requested to provide the task farce with decay information and activity per unit erea on the soil samples and activity per unit volume on the water samples. Se was also requested to make such other analysis as he thought neces sary considering the umsual circumstances and interest in ERAVO Event. Detailed reports by Dr. White, Or. Scoville ani Iajor Crea bavebeen distributed separately to interested agencies. Contiming surveys of the evacoated atolls have been sade for picking up of anisals for ped- {eal studies, rehabilitation and for studies of marine life. eports on these activities will be included in the above distribution as they becone available. 6 Incl 2 ‘ / 1. RadSafe factors Considered at the Wea RadSafe Command Brief- 04 Come RICEARD 4. BOUSB Lt Colonel, USAF Chief, Tech Ops Branch, J-2 ing. 2. Memo for Record: with 6 Incl covering RedSefe Briefing material as presented at Cud Briefings for BRAVO. 3. Discussion of Off-Site Pall-out. 4. Cloud Tracking Operations. 5. Mi: Frotection of Transient Shirping During Operation CaSTLE. 6, Analysis of Fall-out Following BRAVO Event with 4 Incls “se rere set ee OOTP under the supervision of the commanding officer of the destroyer. The party with equipment departed 7 March for Kwajalein to join with the ‘ ° rae 07 bave a floating base for cperations ashore and decontamination facile ities afloat. The tecimical direction of the effort was placed unier the supervision of Dr. Farbert Scoville, Technical Directar, Armed Forces Special Weapons Project, assisted by representatives of CASTLE