Event Notification Report for December 18, 2013

LOST FILL LEVEL MONITORS

ConAgra Foods, Inc. reported that while performing a physical walkdown verification to meet reporting requirements for 2013, three Peco Controls Corporation model Gamma 101P fill level monitors could not be located. After further checking, one of the unaccounted for monitors was found to be in the possession of a vendor where it had been sent in exchange for a replacement. However, two of the monitors remain unaccounted for at this time.

Details on the two monitors are as follows:
Peco Controls Corporation, Model - Gamma 101P, Serial Number - G001768549, with a 100 mCi Am-241 source.
Peco Controls Corporation, Model - Gamma 101P, Serial Number - G002318648, with a 100 mCi Am-241 source.

ConAgra states that these monitors had not been in service for several years. The report issued for 2012, which was dated 12/20/2012, indicated that all monitors were accounted for at that time. ConAgra is continuing to search for the two unaccounted for monitors.

The licensee notified R3(Pelke).

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. For additional information go to http://www-pub.iaea.org/MTCD/publications/PDF/Pub1227_web.pdf

OFFSITE NOTIFICATION DUE TO CONTRACT EMPLOYEE COLLAPSING WITHIN THE PROTECTED AREA

"On December 18, 2013, at approximately 0700 EST, with Watts Bar Nuclear Unit 1 at 100% power and Unit 2 under construction, a contract employee on his way to his job site collapsed. The emergency team responded and the individual was transported via ambulance offsite. The individual was declared deceased at Rhea County Medical Center. The individual was not contaminated. Due to a required report to OSHA at 0932 EST, this report is submitted pursuant to 10 CFR 50.72(b)(2)(xi), as a notification of other government agency.

"NRC Senior Resident Inspector has been notified."

LOSS OF UNIT 1 SECONDARY CONTAINMENT INTEGRITY

"Station Personnel simultaneously opened the inner and outer air lock doors from Unit 1 Reactor Enclosure to the Radwaste Enclosure. Reactor Enclosure Secondary Containment Integrity was declared inoperable per U1 TS 3.6.5.1.1, due to failure to meet surveillance requirement U1 TS 4.6.5.1.1.b.2, due to the report of both containment airlock doors on 217 [foot elevation, being] momentarily open at the same time. Reactor Enclosure D/P [delta pressure] remained steady at 0.35 inches vacuum water gauge.

"Reactor Enclosure Secondary Containment Integrity was declared Operable following verification that at least one air lock door to each access of secondary containment was closed per U1 TS 4.6.5.1.1.b.2. Total LCO time was approximately 5 seconds."

The licensee has notified the NRC Resident Inspector.

TECHNICAL SUPPORT CENTER INOPERABLE FOR PLANNED MAINTENANCE

"NRC Operations Center notification for planned routine preventative maintenance on the Technical Support Center HVAC. Expected start of the preventative maintenance is 12/18/13 at 1300 EST. Planned completion is 12/19/13 at 0100 EST. This maintenance renders the TSC non-functional. The planned TSC alternate location will be the Control Room."

The licensee notified the NRC Resident Inspector.

* * * UPDATE ON 12/19/13 AT 1621 EST FROM NICHOLAS DESANTIS TO DONG PARK * * *

At 1405 EDT, maintenance was completed, and the TSC was declared functional. The licensee will notify the NRC Resident Inspector.

Notified R2DO (Freeman).

AGREEMENT STATE REPORT - LOST MATERIAL SHIPMENT

An outgoing shipment of a Strontium (Sr-82, 23.6 mCi; Sr-85, 54 mCi) Generator, from the University of California Davis to Los Alamos, NM, cannot be located by the shipping company. Shipment tracking shows the items last seen in Memphis, TN. It is suspected the shipment is only temporarily misplaced due to holiday shipping traffic and the shipping company is continuing attempts to locate the shipment.

California Report #121713.

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. For additional information go to http://www-pub.iaea.org/MTCD/publications/PDF/Pub1227_web.pdf

THIS MATERIAL EVENT CONTAINS A "NOT RECORDED" LEVEL OF RADIOACTIVE MATERIAL

BOTH DOORS IN SECONDARY CONTAINMENT AIRLOCK OPENED CONCURRENTLY

"At 0830 CST on December 18, 2013, both doors in the Secondary Containment Airlock were opened concurrently. The doors being open at the same time caused a failure to meet SR 3.6.4.1.2 to verify that either the outer door(s) or the inner door(s) in each Secondary Containment access opening are closed. The identified condition caused Secondary Containment to be considered inoperable per TS LCO 3.6.4.1. Upon discovery, immediate action was taken to close the doors. This action allowed SR 3.6.4.1.2 to be met, and restored Secondary Containment to an operable status.

"This notification is being made pursuant to 10 CFR 50.72(b)(3)(v)(C).

"The NRC Resident Inspector has been notified."

AGREEMENT STATE REPORT - MULTIPLE STUCK SHUTTERS AT A PAPER MILL PLANT

The following report was received via email:

"The following are the preliminary findings of the Arkansas Department of Health, Radioactive Materials Program, involving multiple stuck shutters at a paper mill plant.

"An onsite inspection of this licensee was conducted on December 17, 2013. During this inspection, it was discovered that since 2008, multiple shutters were found to have been stuck open and were not able to be locked out. Based on the records reviewed at the time of inspection, it appears that there were a total of 17 gauges with stuck shutters since May 2010. It appears at this time that all but nine (9) of these gauges have been repaired, dismounted and/or disposed. Currently, these nine gauges (9) are still in use with the shutters stuck in the open position. In accordance with RH-1502.f.2. (equivalent 10 CFR 30.50(b)(2)), each stuck shutter event should have been reported to the State of Arkansas within 24 hours. The licensee failed to notify the State of Arkansas of all of these events.

"The information concerning the 17 gauges is as follows:

Radionuclide Manufacturer Model # Activity

Cesium-137 Berthold LB 7440 50 mCi
Cesium-137 Berthold LB7440 100 mCi
Cesium-137 Berthold LB 7440 30 mCi
Cesium-137 Berthold LB 7440 250 mCi
Cobalt-60 Berthold LB 300L 0.2 mCi
Cobalt-60 Berthold LB 300L 0.5 mCi
Cobalt -60 Berthold LB 300L 0.19 mCi
Cobalt-60 Berthold LB 300L 0.7 mCi
Cobalt-60 Berthold LB 300L 4.14 mCi
Cobalt-60 Berthold LB 300L 0.46 mCi
Cobalt-60 Berthold LB 300L 1.8 mCi
Cobalt-60 Berthold LB 300L 1.51 mCi
Cesium-137 Berthold LB 330 24 mCi
Cobalt-60 Berthold LB 300L 1.8 mCi
Cobalt-60 Berthold LB 300L 0.46 mCi
Cobalt-60 Berthold LB 300L 1.51 mCi
Cobalt-60 Berthold LB 300L 0.22 mCi

"The licensee is in the process of submitting additional records. Information related to the gauge serial numbers and event date will be provided in another update. The Department is continuing to investigate and will provide updates as information is received."

* * * UPDATE FROM KAYLA AVERY TO HOWIE CROUCH VIA EMAIL ON 1/24/14 AT 1629 EST * * *

"The Arkansas Department of Health, Radioactive Materials Program, received an incident report from Domtar A.W., LLC on January 17, 2014. All stuck shutters were discovered in May of 2010, when a new consultant was hired who properly performed the shutter checks. Since that time, there were a total of 22 stuck shutters. Some of these shutters were stuck open from seven months to two years before being replaced or repaired. The licensee has confirmed that no Domtar workers, contractors or members of the public received any radiation exposure from these gauges. The following devices had stuck shutters:

Radionuclide Manufacturer Model Activity Date of Repair
Cs-137 Berthold LB7440 50 mCi 12/14/10
Cs-137 Berthold LB7440 50 mCi 12/15/10
Cs-137 Berthold LB7440 50 mCi 12/14/10
Cs-137 Berthold LB7440 50 mCi 12/15/10
Cs-137 Berthold LB7440 250 mCi 08/10/11
Cs-137 Berthold LB7440 100 mCi 12/16/10
Cs-137 Berthold LB7440 30 mCi 08/09/11
Cs-137 Berthold LB7440 100 mCi 06/28/11
Cs-137 Berthold LB7440 50 mCi 06/30/11
Cs-137 Berthold LB7440 30 mCi 06/29/11
Cs-137 Berthold LB7440 100 mCi 08/11/11
Cs-137 Berthold LB7440 30 mCi Disposed on 05/24/12
Cs-137 Berthold LB7440 100 mCi 08/12/11
Co-60 Berthold LB300L 2.5 mCi total 12/17/13 for 1 shutter **
Co-60 Berthold LB300L 5.03 mCi total 12/17/13 for 2 shutters**
Co-60 Berthold LB300L 2.19 mCi total 12/17/13 for 2 shutters**

"** These gauges contain three (3) sources with three (3) shutters, which had been all stuck open. Currently, one of these gauges still has two (2) shutters stuck open, and two of the gauges still each have one (1) shutter stuck open. Therefore, a total of four (4) shutters are currently stuck open. The licensee has committed to the Department that these gauges will be replaced on 01/23/14, 02/20/14 and 04/17/14 during mill outages. The licensee is required to notify the Department when the replacements are complete. The Department will provide another update when this information is received."

Notified R4DO (Spitzberg) and FSME Events Resource (email).

* * * UPDATE AT 1612 EDT ON 05/09/14 FROM KAYLA AVERY TO S. SANDIN VIA EMAIL * * *

This update provided device serial numbers and closed out this incident.

Radionuclide Manufacturer Model Serial Number Activity Date of Repair
Cs-137 Berthold LB7440 37624-12097 50 mCi 12/14/10
Cs-137 Berthold LB7440 37624-11867 50 mCi 12/15/10
Cs-137 Berthold LB7440 700799-2813 50 mCi 12/14/10
Cs-137 Berthold LB7440 37624-12090 50 mCi 12/15/10
Cs-137 Berthold LB7440 37624-12273 250 mCi 08/10/11
Cs-137 Berthold LB7440 37624-12098 100 mCi 12/16/10
Cs-137 Berthold LB7440 37624-12271 30 mCi 08/09/11
Cs-137 Berthold LB7440 37624-12281 100 mCi 06/28/11
Cs-137 Berthold LB7440 *** 50 mCi 06/30/11
Cs-137 Berthold LB7440 37624-12279 30 mCi 06/29/11
Cs-137 Berthold LB7440 37624-12278 100 mCi 08/11/11
Cs-137 Berthold LB7440 *** 30 mCi Disposed on 05/24/12
Cs-137 Berthold LB7440 37624-12272 100 mCi 08/12/11
Co-60 Berthold LB300L 7687 2.5 mCi total 12/17/13 for 1 shutter **
Co-60 Berthold LB300L 8654 5.03 mCi total 12/17/13 for 2 shutters**
Co-60 Berthold LB300L 9507 2.19 mCi total 12/17/13 for 2 shutters**

"** These gauges contain three (3) sources with three (3) shutters, which had been all stuck open. Currently, one of these gauges still has two (2) shutters stuck open, and two of the gauges still each have one (1) shutter stuck open. Therefore, a total of four (4) shutters are currently stuck open. The licensee has committed to the Department that these gauges will be replaced on 01/23/14, 02/20/14 and 04/17/14 during mill outages. The licensee is required to notify the Department when the replacements are complete. The Department will provide another update when this information is received."

Notified R4DO (Whitten) and FSME_Events Resource via email.

LOSS OF UNIT 2 SECONDARY CONTAINMENT INTEGRITY

"Station Personnel simultaneously opened the inner and outer air lock doors from Unit 2 Reactor Enclosure to the Refuel Floor. Reactor Enclosure Secondary Containment Integrity was declared inoperable per U2 TS 3.6.5.1.1, due to failure to meet surveillance requirement U2 TS 4.6.5.1.1.b.2, due to the report of both containment airlock doors on the 352 foot elevation being momentarily open at the same time. Reactor Enclosure D/P [differential pressure] remained steady at 0.35 inches vacuum water gauge.

"Reactor Enclosure Secondary Containment Integrity was declared Operable following verification that at least one air lock door to each access of secondary containment was closed per U2 TS 4.6.5.1.1.b.2. Total LCO time was approximately 5 seconds."

The licensee notified the NRC Resident Inspector.

SAFETY FUNCTION FOR THE HPCI SUCTION AUTOMATIC LOW CST LEVEL SWAP OVER INOPERABLE

"During the performance of surveillance testing on 12/17/2013 for the HPCI CST low water level switch instrument functional test, the safety function for the low CST level suction swap-over was lost.

"While performing testing, 23LS-75B setpoint was found to be below the TS required value with 23LS-74B already declared inoperable. Tech Spec 3.3.5.1 Condition D was entered and within 1 hour of finding 23LS-75B setpoint below the TS required value, this switch was adjusted to within tolerance as allowed by procedure and tested satisfactory. Both switches were inoperable concurrently for a period of less than 1 hour from time of discovery of 23LS-75B being out of tolerance.

"This issue has been discussed with the NRC Resident Inspector."