180 181 182-183 184 185 186 187-19) 192. 193-196 197-198 199 200 201 202 203 204-206 207-210 211 212. 213 214 215 216 217-218 219-220 221 222 223 224 225: 226-250 National Lead Company of Ohio New Brunswick Laboratory New York Operations Office Nuclear Development Corporation of America Nuclear Metals, Inc. Oak Ridge Institute of Nuclear Studies Oak Ridge National Laboratory Patent Branch, Washington Phillips Petroleum Company Public Health Service, Washington RAND Corporation Sandia Corporation Sylvania Electric Products, Inc. Technical Operations, Inc. Union Carbide Nuclear Company (C-31 Plant) Union Carbide Nuclear Company (K-25 Plant) United Aircraft Corporation U.S. Geological Survey, Denver U.S. Geological Survey, Menlo Park U.S. Geological Survey, Naval Gun Factory U.S. Geological Survey, Washington U.S. Patent Office UCLA Medical Research Laboratory University of California Radiation Laboratory, Berkeley University of California Radiation Laboratory, Livermore University of Rochester (Technical Report Unit) University of Utah (Stoner) Vitro Engineering Division Weil, Dr. George L. Westinghouse Electric Corporation Technical Information Extension, Oak Ridge USNRDL 251-260 USNRDL, Technical information Division DATE ISSUED: & 19 July 1957 UNCLASSIFIED eee nee ee eee ee ee