with facilities in the states of Illinois and Idaho, is owned by the United States Government, and operated by the University of Chicago under the provisions of a contract with the Department of Energy. This technical report is a product of Argonne's Energy Systems Division. For information on the division's scientific and engineering activities, contact: Director, Energy Systems Division Argonne National Laboratoy Argonne, Illinois 60439-4815 Telephone (630) 252-3724 Publishing support services were provided by Argonne's Information and Publishing Division (for more information, see IPD's home page: http://www.ipd. anl.gov/).