[Code of Federal Regulations] [Title 10, Volume 4] [Revised as of January 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 10CFR770.11] [Page 425] TITLE 10--ENERGY CHAPTER III--DEPARTMENT OF ENERGY PART 770_TRANSFER OF REAL PROPERTY AT DEFENSE NUCLEAR FACILITIES FOR ECONOMIC Sec. 770.11 When does a claim ``accrue'' for purposes of notifying the Field Office Manager under Sec. 770.9(a) of this part? For purposes of Sec. 770.9(a) of this part, a claim ``accrues'' on the date on which the person asserting the claim knew, or reasonably should have known, that the injury to person or property was caused or contributed to by the release or threatened release of a hazardous substance, pollutant, or contaminant as a result of DOE activities at the defense nuclear facility on which the real property is located.