UCRL-53152 Pt. 3 Distribution Category UC-2 Results of Calculations of External Gamma Radiation Exposure Rates from Fallout and the Related Radionuclide Compositions Operation Tumbler-Snapper, 1952 Harry G. Hicks Manuscript date: July 1981 LAWRENCELIVERMORE LABORATORY University of California « Livermose, California ¢ 94550 Available from: National Technical. Information Service @e U.S. Department of Commerce 5285 Port Royal Road @ Springfield, VA 22161@ $8.00 per copy @ (Microfiche $3.50)