ACKNOWLEDGMENTS The Radiological Safety Unit wishes to acknowledge the generous cooperation and support of a numberof organizations that assisted in the accomplishment of the radiological-safety program, Health Division, Los Alamos Scientific Laboratory (LASL) Task Group 7.2, Joint Task Force 7 Division of Biology and Medicine, Atomic Energy Commission (AEC) ist Radiological Safety Support Unit, Chemical Corps Training Command, Ft. McClellan, Ala. Supply and Property Department, LASL Las Vegas Field Office, AEC Eniwetok Field Office, AEC Evans Signal Laboratory, Belmar, N. J. J-Division, LASL Office of the Chief Chemical Officer, Washington, D. C. Holmes and Narver, Inc., Los Angeles, Calif. The Unit wishes to express personal appreciation to the following individuals for their close support and constructive criticism throughout the planning, operational, and roll-up phases: Thomas L, Shipman, Health Division, LASL Thomas N, White, Health Division, LASL Duncan Curry, Jr., J-Division, LASL James Terrill, U. 8. Public Health Service William Kennedy, Health Division, LASL P. R. Schiavone, Health Division, LASL

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