This report was prepared as an account of Government sponsored work. Neither the United States, nor the Commission, nor any person acting on behalf of the Commission: A. Makes any warranty or r epr esentation, expressed or impli ed, with respect to the accuracy, completeness, or usefulness o f the information contained in this report, or th<;~.t the use of any information, apparatus, material, method, or process disclosed in this report may not infringe pr~vately owned rights; or B. Assumes any liabiliti es with respect to Lhe use of, or for dumogcs r esulting from the use o f any information, appar atus, material, method, or process disclosed in this report. As u sed in the above, "person acting on behalf of the Commission" includes any employee or contractor of the Commission, or employee of such contractor, to Lhe extent that such employe e or contractor of the Commi ss ion, or employee of s uch contractor prepares, disseminates, or provides access to, any information pursuant to his employment or contract with the Commission or his employment with s uch contractor.-GEMP-263 C-44a Nuclear T echnalogy-Materials _ M-3679 (33rd Edition) THE U0 2-U0 3-Y 2 0 3 SYSTEM AND EVALUATION OF THE U02.9 •3Y20 3 COMPOSITION