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| Entered date | Event description | |
|---|---|---|
| ENS 45314 | 31 August 2009 16:04:00 | A licensed employee had a confirmed positive for alcohol during a fitness-for-duty test. The employee's access to the plant has been suspended. Contact the Headquarters Operations Officer for additional details. The licensee notified the NRC Resident Inspector. |
| ENS 44901 | 12 March 2009 12:31:00 | Byron Unit 1 Process Computer was unavailable for use from 0420 to 0814 EDT on 3/12/09. This resulted in a loss of Unit 1's ability to send Emergency Response Data System (ERDS) to the NRC for greater than 60 minutes. The Unit 1 Process Computer and ERDS was restored at 0814 on 3/12/09. Byron's reportabllity procedure defines a loss of ERDS for greater than 60 minutes as being a major loss of emergency preparedness capability. NRC Resident Inspector was notified by licensee. Notified R3DO (Julio Lara) |
| ENS 44443 | 28 August 2008 08:31:00 | During a diver inspection of 0A SX (Essential Service Water) Makeup pump intake structure, hydraulic oil was spilled into the intake bay. The oil was Envirologic 146, a natural ester based hydraulic oil. It is believed a total of approximately 2 gallons of oil leaked from the pump into the intake bay. Approximately 6 inch - 12 inch oil sheen was seen on the Rock River. Oil booms used to capture spilled oil. Oil spill was contained at 0710 CDT. Licensee notified the National Response Center, Illinois Emergency Management Agency, and Ogle county Emergency Services Disaster Agency. The licensee notified the NRC Resident Inspector. National Response Center Report #: 882049 |