Co SEDRAREEED-DE C: 0018933 PREFACE In the formulation of this project, three distinct parts were established: rocket fallout sampling, aircraft fallout sampling and sample analysis, data interpretation and report preparation. Responsibility for the conduct of rocket sampling was assigned to the University of California Radiation Laboratory (UCRL); responsibility for the conduct of the aircraft sampling was assigned to the Los Alamos Scientific Laboratory (LASL); and responsibility for the conduct of sample analysis, report writing, etc., was assigned to the U.S. Naval Radiological Defense Laboratory (NRDL). Project Officer was supplied from the NRDL technical staff. The H. F. Plank, as technical advisor to the project officer, was responsible for the conduct of the LASL portion, E. H. Fleming acted ina similar capacity for the UCRL portion and N. E, Ballou and T. Triffet are responsible for the vN NRDL portion.