Merril Eisenbud, Manager New York Operations Office CST - Charles L, Dunham, Deputy Director — FROM SUBJECT: 4J RADIOCHEMICAL ANALYSIS OF DUPLICATS SAMPLES OF RESURVSY BEEgH 2 5 RONGSLAP MEDICINE HEALTHS& SAFETY ~ / The Division of Biology and Medicine is sending a team of four scientists from the Applied Fisheries Laboratory, University of Washington, to conduct a radiobiological resurvey of Rongelap and Ailinginae Atolls. The group will leave the West Coast on October 15, 1955. They will make two round trips from Eniwetok to the Atolls on October 20th and 24th. In evaluating the U.S. Naval Radiological Defense Laboratory and Applied Fisheries Laboratory data of the cooperative expedition of January 25-30, 1955 of Rongelap, our staff has o found that the two laboratories report different levels of activity in duplicate semples. In some instances these variations are of some magnitude. For this reason we are reduesting that the New York Operations Office laboratory analyze duplicate samples of some of the material that will collected by the Donaldson resurvey group. The material we are interested in having analyzed is soll, sea water, plankton, edible plants and the muscle, liver and bone of omnivorous and carnivorous fish, Metronet tad Lae ate” DATE: September 19, 1955 23 : co Division of Biology and Medicine, Washiagton, D. C. ; ot RCTS Cy ope a vhcaaerotMNLilntandaielSnedANaAasia aaetetebittabelai caster sieee Sha AACE Nenorandum ° UNITED STATES GOVERNME NT It is recommended that either you or Dr, John Harley telephone Dr. Donaldson this week to make the necessary arrangerents as to the number, size end form of sample in which you want the specimens delivered to your laboratory. AON RETUISva ni i ix: AL'S

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