The United States Enrichment Corporation (USEC or Corporation) is the holder of NRC Certificate of Compliance No. GDP-1 issued by the Nuclear Regulatory Commission (NRC or Commission) pursuant to 10 CFR Part 76. The certificate authorizes USEC to receive, and licensees shall be authorized to transfer to the Corporation, byproduct material, source material, or special nuclear material to the extent permitted under the Certificate of Compliance. The certificate was issued November 26, 1996, was most recently amended on June 30, 2004, and is due to expire on December 31, 2008.