UNCLASSIFIED ~ — 30 March 1954 MEMORANDUBM FOR: CJTF SiVin SUBJZCT: l. DDZ Trio to Rongelép atoll, 26 March 1954 Reference CTF SEVEN DTG 2302202 March 1954. trip, conducted by USS NICHOL: S$ (DDS 449) was to: Purpose of subject a. Beach small boats belonging to Rongelap Marshallese. b. Conduct radsafe re-survey of Rongelap. c. Collect approximately 500 pounds contaminated top soil reQuested by ai Division of Biology and »edicine. 2. d. Collect samples of Marine life and vegetation. e. Collect domestic animals remaining at Rongelap village. The undersigned acted as JTF SEVEN and TG 7.1 representative and was responsible 1or execution of 1b and le. Synce the NICHOL.S will mks @n overzll report, and detailed reports on ld and le will be made by the project officers concerned, the details in this report ars confined to lb and lec. 3. It is noted that the scope of activities lb and ld ws more limited than had originally been plénned. ss will be clear from the re-- port of the NICHOL.S, this was because 26 harcn became Rel after the work started. Thanks mainly to ths excellent planning and management of Cept. Joseph Eliot and axscutive O.ficer Cliiford Frink, much mors wés 2ccomplished than might reasonably have been expected under thess= circumstances. ic -nd le were accomplished essentially as planned, but la had to be omitted. L. The radsafs ra-survey was conducted by Mr. P.R. Schiavone of TG 7.1, TU-7, using two recently calibrated AN/PDR-39 instruments. Readings on Rongélap Island were taken during the morning and on ths other islands during ths aft-rnoon of 26 March. coPieD/ 00g LANL RG Island mr/hr Ronrelap 40 at C830 at standard position <zstab- Bosezh 50 South end Eniaztok go Labardj Kabell< ENCLOSURE (5) lished by Scoville Survey 200 500 = SS > UNCLASSIFIED

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