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Event Notification Report for June 1, 2006

U.S. Nuclear Regulatory Commission Operations Center Event Reports For 05/31/2006 - 06/01/2006 ** EVENT NUMBERS ** 42611 Power Reactor Event Number: 42611 Facility: POINT BEACH Region: 3 State: WI Unit: [1] [2] [ ] RX Type: [1] W-2-LP,[2] W-2-LP NRC Notified By: DEAN RAASCH HQ OPS Officer: MARK ABRAMOVITZ Notification Date: 05/31/2006 Notification Time: 14:15 [ET] Event Date: 05/30/2006 Event Time: 09:23 [CDT] Last Update Date: 05/31/2006 Emergency Class: NON EMERGENCY 10 CFR Section: 50.72(b)(3)(v)(D) - ACCIDENT MITIGATION Person (Organization): LAURA KOZAK (R3) Unit SCRAM Code RX CRIT Initial PWR Initial RX Mode Current PWR Current RX Mode 1 N Y 100 Power Operation 100 Power Operation 2 N Y 100 Power Operation 100 Power Operation Event Text CONTROL ROOM EMERGENCY FILTRATION SYSTEM INOPERABLE "Control Room Emergency Filtration System (CREFS) was declared Inoperable at 0923 on 5/30/2006 per TS 5.5.10.c 'Ventilation Filter Testing Program'. Laboratory testing results of a sample of the charcoal adsorber taken on 5/2/2006 did not meet the methyl iodide penetration percentage acceptance criteria of less than or equal to 1.0%. This condition is covered by TS 3.7.9 and both Unit 1 and Unit 2 entered Condition A, 'CREFS Inoperable' with a Required Action of 'Restore CREFS to OPERABLE status' with a Completion Time of 7 Days. "CREFS is a single train system. Based on the guidance in NUREG-1022 for single train systems that perform safety functions, this condition was determined to be reportable under 10 CFR 50.72(b)(3)(v), 'Event or Condition That Could Have Prevented Fulfillment of a Safety Function'. Technical Specifications allow this system to be inoperable for a period of seven days. "This condition was not reported within the 8 Hour Non-Emergency reporting requirements." The charcoal has been replaced and the licensee estimates testing at approximately 17:00. The licensee notified the NRC Resident Inspector.

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