Event Notification Report for January 26, 2007

MISSISSIPPI AGREEMENT STATE REPORT - STOLEN TROXLER DENSITY GAUGE

Following Agreement State Report was received via e-mail

"Description of Incident: DRH received notification on 1-28-07 from Mississippi Emergency Management Agency (MEMA) about a Troxler Model 3411 M/D gauge, Serial # 9533, that had been reported stolen. The gauge belonged to Aquaterra Engineering. The RSO was contacted and he stated that the gauge had been locked in a tool box. The tool box was not big enough to put the shipping container in it also, so the shipping container was in the bed of the truck. The RSO stated that the lock was cut on the tool box allowing the gauge to be removed. He also stated that the gauge's source rod was locked. Issued press release on 1-29-07.

"Date of Incident: Sometime between 1-26-07 and 1-28-07

"Isotope(s): Cesium-137, 8 millicuries; & Americium-241:Be, 40 millicuries.

"Describe clean-up actions taken by DRH: None required.

"List any other actions required of DRH: Licensee will be required to send a written report of stolen gauge within 30 days.

"List any actions taken to notify NRC, other Agreement States: Notified Meridian, MS, Police Department. Notified Lauderdale County Emergency Management. Notified NRC by E-mail. Notified Alabama Radiation Control by phone. Mississippi Department of Health issued press release.

"Case Closed: No

"Record of incident in RAM files: Yes

"Enforcement action taken: Investigation ongoing."

Incident No. MS 07001


* * * UPDATE ON 02/06/07 AT 1235 EST VIA E-MAIL FROM BOBBY SMITH TO MACKINNON * * *

"Gauge found on 2-5-07 by unidentified citizen in a garbage dumpster. Notified Meridian Police Department & DRH was contacted. DRH sent inspector to pick up device. Device was undamaged and still locked. DRH returned device to owner on 2-6-07.

"Describe clean-up actions taken by DRH: None required initially. After found device was retrieved by DRH so leak test could be done. No leakage or contamination detected.

"List radiation measurements taken by DRH: After found device was surveyed and determined normal readings @ 13 Mr/hr surface.

"List any other actions required of DRH: Licensee will be required to send a report of stolen gauge within 30 days.

"List any actions taken to notify NRC, other Agreement States: Notified Meridian, MS Police Department. Notified Lauderdale County Emergency Management. Notified NRC by E-mail. Notified Alabama Radiation Control by phone. Mississippi Department of Health issued press release 1-29-07.

"Case Closed: No

'Record of incident in RAM files: Yes

"Enforcement action taken: Investigation ongoing"

R4DO (Nease) & NMSS EO (Greg Morell) notified. E-mailed to ILTAB.



THIS MATERIAL EVENT CONTAINS A "LESS THAN CAT 3" LEVEL OF RADIOACTIVE MATERIAL

Sources that are "Less than IAEA Category 3 sources," are either sources that are very unlikely to cause permanent injury to individuals or contain a very small amount of radioactive material that would not cause any permanent injury. Some of these sources, such as moisture density gauges or thickness gauges that are Category 4, the amount of unshielded radioactive material, if not safely managed or securely protected, could possibly - although it is unlikely - temporarily injure someone who handled it or were otherwise in contact with it, or who were close to it for a period of many weeks.

CAPABILITY TO DETERMINE STACK EFFLUENT RADIOACTIVITY RELEASE HAS BEEN LOST.

"At 1354 on 01/26/07, Nine Mile Point Unit 1 determined that the capability to determine effluent radioactivity going out the stack had been lost. It is postulated that this is likely due to moisture in both the primary and aux sample lines had frozen, blocking the flow of effluent to sample analysis equipment.

"Compensatory actions include; monitoring of alternate indications of increased radioactivity in the plant effluent stream and the development of procedures to quantify radioactivity release rate using existing operable instrumentation." The State of New York was notified of this event.


The NRC Resident Inspector was notified of this event by the licensee.

* * * UPDATE ON 01/26/07 AT 2137 EST BY ERIC KELSEY TO MACKINNON * * *

"The following action is intended to provide stack effluent release rates, temporarily replacing the non-operable stack sampling and analysis system. The method being developed will assess the significant rad and ventilation contributions of each of the plant systems that exhaust to the stack: specifically, the Off Gas, Reactor, Turbine and Radwaste Building ventilation. This summation will be equivalent to the rad release that was provided by the non-operable system. This method will be procedurally based and can be accomplished by the on-shift Chemistry Technician and can be directly input into the NMP dose computer.

"Repairs to the inoperable system will commence on day shift 1/27/07" R1DO (Neil Perry) notified.

The NRC Resident Inspector and the State of New York were notified of this update by the licensee.

* * * UPDATE ON 01/27/07 AT 1905 EST BY KIRSTY DANN TO SNYDER * * *

"The stack sample low flow issue has been corrected as of 1/27/07 at 14:55. Stack flow monitoring of stack effluent has been re-established to a normal lineup."

The licensee notified the NRC Resident Inspector.

Notified R1DO (Neil Perry).

SAFETY PARAMETER DISPLAY SYSTEM (SPDS) DECLARED INOPERABLE.

"On January 26, 2007 at 0915 hours, the Clinton Power Station Plant Process Computer failed causing a loss of the Safety Parameter Display System. At 1715 hours, troubleshooting is ongoing and the failure has not been corrected and SPDS has not been restored. Since SPDS was not restored within eight hours, this event is reportable due to a major loss of emergency assessment capability per 10CFR50.72(b)(3)(xiii).

"The NRC Resident Inspector has been notified."

* * * UPDATE PROVIDED BY JERAMY ANDERSON TO JEFF ROTTON AT 0704 EST ON 01/27/07 * * *

"Plant process computer was restarted at 0405 CST and a 2 hour confidence run has been completed. The Safety Parameter Display System is now operable."

The licensee will notify the NRC Resident Inspector. Notified R3DO (Passehl)

CONTROL ROOM EMERGENCY VENTILATION AIR CONDITIONING (CREV AC) SYSTEM DECLARED INOPERABLE


On January 26, 2007 at 0915 hours, the Control Room Emergency Ventilation Air Conditioning (CREV AC) system was declared inoperable due to not meeting the surveillance acceptance criteria for the refrigeration condensing unit (RCU) during QCOS 5750-11 (Control Room Emergency Ventilation System Test - performed every 2 years). As result Technical Specification 3.7.5 Condition "A" was entered (30 day Limiting Condition of Operation).

"The CREV AC system maintains a habitable control room environment and ensures the operability of components in the control room emergency zone during accident conditions.

"This notification is being made in accordance with 10 CFR 50.72(b)(3)(v)(D) because the CREV system is a single train system, and loss of the CREV AC could impact the plant's ability to mitigate the consequences of an accident.

"At this time, additional analysis is underway to determine the impact of the failure to meet the acceptance criteria on the CREV AC safety function."


The NRC Resident Inspector was notified of this event by the licensee.


* * * RETRACTION 01/28/07 AT 1651 EST FROM C. KRONICH TO MACKINNON * * *

"Further evaluation performed by Quad Cities Station confirms the CREV AC system would have performed its safety function. A revised surveillance (QCOS 5750-11, Control Room Emergency Ventilation System Test) was re-performed successfully, and the CREV AC system was declared operable on January 28, 2007 at 0911 hours.

"Based on the subsequent evaluation and surveillance testing, ENS report # 43124 is being retracted."

R3DO (Dave Passehl) notified.

The NRC Resident Inspector was notified of this retraction by the licensee.