Gentlemen

It is requested that the attached proposed Revision 11 to the UCD/MNRC Technical Specifications be approved for use. The nature of the changes are explained in Section A of this letter. Also attached are the Safety Analysis Report (SAR) pages that fully describe the proposed new Iodine-125 production loop. It is requested that this experimental facility be approved for operation. The required technical specification changes associated with the operation of the iodine loop (i.e., p. 24 and 25) are included in Revision 11.