[Code of Federal Regulations] [Title 28, Volume 2] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 28CFR79.25] [Page 342] TITLE 28--JUDICIAL ADMINISTRATION CHAPTER I--DEPARTMENT OF JUSTICE (Continued) PART 79--CLAIMS UNDER THE RADIATION EXPOSURE COMPENSATION ACT--Table of Contents Subpart C--Eligibility Criteria for Claims Relating to Certain Specified Diseases in an Affected Area Sec. 79.25 Proof of onset of leukemia at least two years after first exposure, and proof of onset of a specified compensable disease more than five years after first exposure. The date of onset will be the date of diagnosis as indicated in the medical documentation accepted by the Radiation Exposure Compensation Program as proof of the claimant's specified compensable disease. The date of onset must be at least five years after the date of first exposure as determined under Sec. 79.24(b). In the case of leukemia, the date of onset must be at least two years after the date of first exposure.