ENS 40963: Difference between revisions
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| event date = 08/17/2004 08:30 PDT | | event date = 08/17/2004 08:30 PDT | ||
| last update date = 08/17/2004 | | last update date = 08/17/2004 | ||
| title = "Report | | title = "Report of Missing Special Nuclear Material | ||
| event text = This is a non-emergency Event Notification in accordance with 10 CFR 74.11 to inform the NRC of missing special nuclear material of low strategic significance. On July 16, 2004, Pacific Gas, and Electric (PG&E) notified the NRC of a material accountability discrepancy involving a portion of a spent fuel rod used at the Humboldt Bay Power Plant (HBPP) Unit 3 (reference NRC Event Notification 40877). The discrepancy in plant records called into question the location of three approximately 18-inch segments that were cut from a single spent fuel rod in a used fuel assembly (A-49) in 1968. PG&E initiated a comprehensive search of the on-site HBPP spent fuel pool (SFP), a review of plant and nuclear materials shipping records, and interviews with present and former employees and contractors to resolve the material accountability discrepancy and locate the unaccounted for fuel segments. | | event text = This is a non-emergency Event Notification in accordance with 10 CFR 74.11 to inform the NRC of missing special nuclear material of low strategic significance. On July 16, 2004, Pacific Gas, and Electric (PG&E) notified the NRC of a material accountability discrepancy involving a portion of a spent fuel rod used at the Humboldt Bay Power Plant (HBPP) Unit 3 (reference NRC Event Notification 40877). The discrepancy in plant records called into question the location of three approximately 18-inch segments that were cut from a single spent fuel rod in a used fuel assembly (A-49) in 1968. PG&E initiated a comprehensive search of the on-site HBPP spent fuel pool (SFP), a review of plant and nuclear materials shipping records, and interviews with present and former employees and contractors to resolve the material accountability discrepancy and locate the unaccounted for fuel segments. | ||
On August 17, 2004, at 08:30 PDT, the HBPP Plant Staff Review Committee (PSRC) reviewed the results of the search of the SFP to-date and concluded that the search of the most likely locations for the unaccounted for fuel segments (storage containers within the SFP) and all easily accessible spaces in the SFP was thorough and complete and that the search had not located the unaccounted for fuel segments in the SFP. The PSRC also reviewed the results to-date of the in-progress review of plant records, interviews, and nuclear material shipping records and concluded that the relevant information obtained did not definitively identify the on-site or off-site location of the unaccounted for fuel segments. Though it remains probable that the unaccounted for fuel segments will ultimately be found in the SFP or shown to have been shipped to a facility licensed to reprocess or store nuclear materials, PG&E is conservatively considering these segments as missing and making this 1-hour non-emergency event notification in accordance with 10 CFR 74.11. | On August 17, 2004, at 08:30 PDT, the HBPP Plant Staff Review Committee (PSRC) reviewed the results of the search of the SFP to-date and concluded that the search of the most likely locations for the unaccounted for fuel segments (storage containers within the SFP) and all easily accessible spaces in the SFP was thorough and complete and that the search had not located the unaccounted for fuel segments in the SFP. The PSRC also reviewed the results to-date of the in-progress review of plant records, interviews, and nuclear material shipping records and concluded that the relevant information obtained did not definitively identify the on-site or off-site location of the unaccounted for fuel segments. Though it remains probable that the unaccounted for fuel segments will ultimately be found in the SFP or shown to have been shipped to a facility licensed to reprocess or store nuclear materials, PG&E is conservatively considering these segments as missing and making this 1-hour non-emergency event notification in accordance with 10 CFR 74.11. | ||
Latest revision as of 22:22, 1 March 2018
| Where | |
|---|---|
| Humboldt Bay California (NRC Region 4) | |
| Reporting | |
| 10 CFR 74.11(a) 10 CFR 20.2201(a)(1)(ii) 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
| Time - Person (Reporting Time:+-3.83 h-0.16 days <br />-0.0228 weeks <br />-0.00525 months <br />) | |
| Opened: | Larry Parker 11:40 Aug 17, 2004 |
| NRC Officer: | Steve Sandin |
| Last Updated: | Aug 17, 2004 |
| 40963 - NRC Website
| |