Event Notification Report for June 20, 2006

DAMAGED MOISTURE DENSITY GAUGE

Licensee was performing work on pavement at State Route 22, Indiana County, PA when a Moisture Density Gauge was damaged by compacting equipment. The damage to the gauge was restricted to the casing and the licensee has confirmed that the sources are in their retracted safe positions. The damaged gauge was moved off the pavement and a perimeter was established around it. Contact readings were recorded as 60 millirem/hr. The licensee has contacted Northeast Technical who is the service provider. The gauge will be temporarily transferred to office storage and will be subsequently transported to the service provider for repairs. The density gauge is a Troxler model 3450, serial number 00397 containing 8 millicuries Cs-137, 40 millicuries Am-241/Be (source numbers 750-6096 and 47-28081 respectively).

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.

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THIS IS NOT A NEW REPORT.

This event report was originally withheld from public release under the NRC's policy for protecting sensitive unclassified information. The NRC has reevaluated this policy and is now making this event report available to the public with suitable redactions.
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SEWER MANHOLE OVERFLOW TO CATCH BASIN REPRESENTED A BYPASS PER DISCHARGE PERMIT

"On June 20, 2006 at approximately 3:00 p.m. it was reported to Environmental Protection Department that a sanitary sewer manhole was observed to be overflowing. It was also reported that the flow was moving over the adjacent pavement to a nearby catch basin. A subsequent inspection by Environmental Engineering confirmed that the sanitary sewer waste was overflowing the manhole and discharging to a nearby catch basin. This catch basin discharges to the storm water system via the once through cooling drain lines. It is estimated that approximately 1-2 gallons entered the catch basin.

"Following the above confirmation both Environmental Engineering management and Radiation Protection personnel were notified. In addition, Industrial Engineering was called to effect repairs and/or unclog the sanitary sewer line.

"Because the sanitary sewage flow was being directed around the sanitary sewer treatment plant as a result of the overflow, it was concluded that this event represented a 'bypass' as described by the BWXT NPD VPDES Water Discharge Permit (VA0003697).

"Section H 'Reports of Unusual or Extraordinary Discharges' of 'Conditions Applicable to all VPDES Permits' requires that this type of event be reported to VADEQ (Virginia Department of Environmental Quality) promptly, but in no case later than 24 hours with a written report to follow in 5 days.

"On June 20, 2006 at about 4:00 p.m. a phone call was made to VADEQ South Central Regional Office notifying them of the event."

The licensee notified the NRC Resident Inspector and the State.

* * * UPDATE ON 05/11/08 BY H. Crouch * * *

THIS IS NOT A NEW REPORT.

This event report was originally withheld from public release under the NRC's policy for protecting sensitive unclassified information. The NRC has reevaluated this policy and is now making this event report available to the public with suitable redactions.
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UNUSUAL EVENT DECLARED DUE TO A SEISMIC EVENT

"Emergency plan unusual event entered due to a seismic event (LU-1). No equipment damage has been identified."

The seismic event occurred at 1611hrs and tremors were felt in the Control Room. Unit 1 remained at full power and initial plant walkdown identified no safety equipment damage. Plant instrumentation indicated an acceleration of 0.005 Gs. Per U.S. Geological Survey website the quake was a 3.4 on the Richter scale and occurred NNW of the site. There is a small likelihood of after shocks. No radioactive releases have occurred.

* * * UPDATE ON 06/20/06 AT 2019 EDT FROM JEFFREY D. ANDERSON TO M. RIPLEY * * *

"Perry Plant has completed walkdowns from the Seismic Event that occurred at 1611. No Plant problems identified from walkdowns. Unusual Event has been terminated at 2000 on 6/20/06."

The licensee notified the NRC Resident Inspector, State and local officials.

Notified NRR (M. Case), IRD (Wilson), R3DO (O'Brien), DHS (Fite) and FEMA (Casto).