NOTICE This report was prepared as an accountof work sponsored by the United States Government. Neither the United States nor the United States Energy Research and Development Administration, nor any oftheir employees, nor any oftheir contractors, subcontractors, or their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness or usefulness of any information, apparatus, product or process disclosed, or represencs thatits use would notinfringe privately owned rights. Printed in the United States of America Available from National Technical Information Service U.S. Department of Commerce 5285 Port Royal Road Springfield, VA 22161 Price: Printed Copy, Domestic $6.25, Foreign $8.75; Microfiche $1.45 September 1975 s00b 6649 1400 copies