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UI\ r VERSITY OF WASHINGTON i LABORATORY OF RADIATION BIOLOGY Dr. John Wolfe, Chief Environmental Sciences Branch Division of Biology and Medicine United States Atomic Energy Commission Please find enclosed a brief summary of the activities of the recent field trip to Rongelap. We were all more than pleased with Jim Kimmel and are looking forward to further association with him. Seeing him in action in the field leaves little doubt that his major interest lies in the marine environment. His swimming ability may help him in making unique contributions in this field. Research Assistant Professor
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SUMMARY OF ACTIVITIES RONGELAP FIELD TRIP The second field for the Rongelap ecology program was from 13 to 24 August and on 2 September 1958. The field party was made up of five senior scientists from the Laboratory of Radiation Biology, School of Forestry, Department of Botany and Zoology, University of Washington and six graduate student3 (five University of Washington and one Ohio The ecological studies included: soil types and characteristics percolation (by use of lysimeters) 4 nutrient content and deficiencies of soil3 and plant3 (by analysis and fertilization) 5 taxonomy and distribution of algae H?Y 6 j collection of fish and observation of habit3 in various collection of corals for taxonomic studies 10 collectionand observation of habit3 of some invertebrate3 11 limited collections of plankton and bottom sample3 from 12) A weather station was established near the village on In addition food items were collected and background radiation levels determined with survey-type instruments. A daily ration of food grown at Rongelap was obtained from each of fourteen adults. Background radiation levels at Rongelap Atoll in March and August 1958 "Lnmr/yC;re: The presence&W185 in plant leaf and plankton samples indicate3 some-contamination from the recent test series.