Event Notification Report for October 12, 2007
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
10/11/2007 - 10/12/2007
EVENT NUMBERS
4371843719437204372143726
Power Reactor
Event Number: 43718
Facility: BROWNS FERRY
Region: 2 State: AL
Unit: [1] [] []
RX Type: [1] GE-4,[2] GE-4,[3] GE-4
NRC Notified By: MATTHEW RASMUSSEN
HQ OPS Officer: JOE O'HARA
Region: 2 State: AL
Unit: [1] [] []
RX Type: [1] GE-4,[2] GE-4,[3] GE-4
NRC Notified By: MATTHEW RASMUSSEN
HQ OPS Officer: JOE O'HARA
Notification Date: 10/12/2007
Notification Time: 11:07 [ET]
Event Date: 10/12/2007
Event Time: 08:02 [CDT]
Last Update Date: 10/12/2007
Notification Time: 11:07 [ET]
Event Date: 10/12/2007
Event Time: 08:02 [CDT]
Last Update Date: 10/12/2007
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(iv)(B) - RPS ACTUATION - CRITICAL 50.72(b)(3)(iv)(A) - VALID SPECIF SYS ACTUATION
10 CFR Section:
50.72(b)(2)(iv)(B) - RPS ACTUATION - CRITICAL 50.72(b)(3)(iv)(A) - VALID SPECIF SYS ACTUATION
Person (Organization):
BINOY DESAI (R2)
BINOY DESAI (R2)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | A/R | Y | 100 | Power Operation | 0 | Hot Shutdown |
AUTOMATIC REACTOR SCRAM DUE TO TURBINE TRIP
"At 0802 [CDT] on 10/12/2007 with Unit 1 at 100% power, an automatic reactor scram was received due to a turbine trip. Unit 2 and 3 were also at 100% power and were unaffected by the event. All expected PClS isolations, Group 2 (RHR Shutdown Cooling), Group 3 (RWCU), Group 6 (Ventilation), and Group 8 (TIP) were received along with the auto start of CREVs and 3 SBGT trains.
"This event is reportable as a 4-hour and 8-hour non-emergency notification along with a 60-day written report in accordance with 10 CFR50.72(b)(2)(iv)(B), 10 CFR 50.72(b)(3)(iv)(A) and 10 CFR 50.73(a)(2)(iv)(A) as 'any event or condition that results in valid actuation of RPS or PCIS'.
"All control rods fully inserted, the electrical grid is stable, the EDGs and ESF systems remain available, and decay heat is being removed via the Turbine Bypass Valves. The licensee notified the NRC Resident Inspector.
"The cause of the turbine trip is under investigation."
The 1D RHR pump is OOS for planned maintenance. Isolations occurred as a result of low reactor water level +2 inches.
The licensee notified the NRC Resident Inspector.
"At 0802 [CDT] on 10/12/2007 with Unit 1 at 100% power, an automatic reactor scram was received due to a turbine trip. Unit 2 and 3 were also at 100% power and were unaffected by the event. All expected PClS isolations, Group 2 (RHR Shutdown Cooling), Group 3 (RWCU), Group 6 (Ventilation), and Group 8 (TIP) were received along with the auto start of CREVs and 3 SBGT trains.
"This event is reportable as a 4-hour and 8-hour non-emergency notification along with a 60-day written report in accordance with 10 CFR50.72(b)(2)(iv)(B), 10 CFR 50.72(b)(3)(iv)(A) and 10 CFR 50.73(a)(2)(iv)(A) as 'any event or condition that results in valid actuation of RPS or PCIS'.
"All control rods fully inserted, the electrical grid is stable, the EDGs and ESF systems remain available, and decay heat is being removed via the Turbine Bypass Valves. The licensee notified the NRC Resident Inspector.
"The cause of the turbine trip is under investigation."
The 1D RHR pump is OOS for planned maintenance. Isolations occurred as a result of low reactor water level +2 inches.
The licensee notified the NRC Resident Inspector.
Power Reactor
Event Number: 43719
Facility: MILLSTONE
Region: 1 State: CT
Unit: [] [] [3]
RX Type: [1] GE-3,[2] CE,[3] W-4-LP
NRC Notified By: RICH SADLER
HQ OPS Officer: BILL HUFFMAN
Region: 1 State: CT
Unit: [] [] [3]
RX Type: [1] GE-3,[2] CE,[3] W-4-LP
NRC Notified By: RICH SADLER
HQ OPS Officer: BILL HUFFMAN
Notification Date: 10/12/2007
Notification Time: 14:52 [ET]
Event Date: 10/12/2007
Event Time: 13:30 [EDT]
Last Update Date: 10/12/2007
Notification Time: 14:52 [ET]
Event Date: 10/12/2007
Event Time: 13:30 [EDT]
Last Update Date: 10/12/2007
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(ii)(B) - UNANALYZED CONDITION
10 CFR Section:
50.72(b)(3)(ii)(B) - UNANALYZED CONDITION
Person (Organization):
WILLIAM COOK (R1)
WILLIAM COOK (R1)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 3 | N | Y | 100 | Power Operation | 100 | Power Operation |
UNANALYZED CONDITION AFFECTING FIRE SAFE SHUTDOWN
"During an engineering review it was discovered that for certain fire scenarios affecting the auxiliary building west motor control center - rod control room, the previously established fire safe shutdown strategy might not be successful. Specifically, for a fire in the west motor control center - rod control room, fire safe shutdown would be accomplished utilizing an unaffected charging pump. During an engineering review, a vulnerability was identified in which under certain circumstances the spurious closure of a charging pump suction valve could result in a loss of the running charging pump and the unavailability of the remaining charging pumps due to potential fire damage. The result is that all charging pumps could be affected by the fire and be unavailable to support fire safe shutdown in accordance with established procedures.
"Compensatory actions to minimize risk of fire in areas of concern are being implemented.
"This condition is being reported pursuant to 10 CFR 50.72(b)(3)(ii)(B).
"The NRC Resident Inspector has been notified." The licensee has also notified appropriate State and local authorities.
"During an engineering review it was discovered that for certain fire scenarios affecting the auxiliary building west motor control center - rod control room, the previously established fire safe shutdown strategy might not be successful. Specifically, for a fire in the west motor control center - rod control room, fire safe shutdown would be accomplished utilizing an unaffected charging pump. During an engineering review, a vulnerability was identified in which under certain circumstances the spurious closure of a charging pump suction valve could result in a loss of the running charging pump and the unavailability of the remaining charging pumps due to potential fire damage. The result is that all charging pumps could be affected by the fire and be unavailable to support fire safe shutdown in accordance with established procedures.
"Compensatory actions to minimize risk of fire in areas of concern are being implemented.
"This condition is being reported pursuant to 10 CFR 50.72(b)(3)(ii)(B).
"The NRC Resident Inspector has been notified." The licensee has also notified appropriate State and local authorities.
Power Reactor
Event Number: 43720
Facility: QUAD CITIES
Region: 3 State: IL
Unit: [1] [2] []
RX Type: [1] GE-3,[2] GE-3
NRC Notified By: DARYL CLARK
HQ OPS Officer: JOHN MacKINNON
Region: 3 State: IL
Unit: [1] [2] []
RX Type: [1] GE-3,[2] GE-3
NRC Notified By: DARYL CLARK
HQ OPS Officer: JOHN MacKINNON
Notification Date: 10/12/2007
Notification Time: 18:02 [ET]
Event Date: 10/12/2007
Event Time: 16:04 [CDT]
Last Update Date: 10/12/2007
Notification Time: 18:02 [ET]
Event Date: 10/12/2007
Event Time: 16:04 [CDT]
Last Update Date: 10/12/2007
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(xi) - OFFSITE NOTIFICATION
10 CFR Section:
50.72(b)(2)(xi) - OFFSITE NOTIFICATION
Person (Organization):
PATTY PELKE (R3)
PATTY PELKE (R3)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | N | Y | 97 | Power Operation | 97 | Power Operation |
| 2 | N | Y | 96 | Power Operation | 96 | Power Operation |
OFFSITE NOTIFICATION MADE DUE TO ELEVATED LEVELS OF TRITIUM
"This notification is being made pursuant to 10 CFR 50.72(b)(2)(xi) due to the fact that Exelon Nuclear has informed the Illinois Emergency Management Agency and Illinois Environmental Protection Agency of recent groundwater monitoring results at Quad Cities Station. This notification was made at 16:04 hours CDST on October 12, 2007.
"As part of the Station's continuing environmental monitoring and sampling program, new wells were recently installed on Station property to better characterize the known, on-site tritium plume previously identified during Exelon's fleetwide tritium study conducted in 2006. Samples from some of the new wells have indicated elevated levels of tritium requiring notification of the State of Illinois.
"Based on well data to date, the tritium in the groundwater is confined to Exelon property and poses no threat to public health or safety.
"The Station continues to track this issue by monitoring the existing wells, installing new wells for further assessment, and pursuing underground pipe integrity testing."
The NRC Resident Inspector was notified of this event by the licensee.
"This notification is being made pursuant to 10 CFR 50.72(b)(2)(xi) due to the fact that Exelon Nuclear has informed the Illinois Emergency Management Agency and Illinois Environmental Protection Agency of recent groundwater monitoring results at Quad Cities Station. This notification was made at 16:04 hours CDST on October 12, 2007.
"As part of the Station's continuing environmental monitoring and sampling program, new wells were recently installed on Station property to better characterize the known, on-site tritium plume previously identified during Exelon's fleetwide tritium study conducted in 2006. Samples from some of the new wells have indicated elevated levels of tritium requiring notification of the State of Illinois.
"Based on well data to date, the tritium in the groundwater is confined to Exelon property and poses no threat to public health or safety.
"The Station continues to track this issue by monitoring the existing wells, installing new wells for further assessment, and pursuing underground pipe integrity testing."
The NRC Resident Inspector was notified of this event by the licensee.
Other Nuclear Material
Event Number: 43721
Rep Org: THOMAS, DEAN, & HOSKINGS
Licensee: THOMAS, DEAN, & HOSKINGS
Region: 4
City: GREAT FALLS State: MT
County:
License #:
Agreement: N
Docket:
NRC Notified By: ERLING JUEL
HQ OPS Officer: BILL HUFFMAN
Licensee: THOMAS, DEAN, & HOSKINGS
Region: 4
City: GREAT FALLS State: MT
County:
License #:
Agreement: N
Docket:
NRC Notified By: ERLING JUEL
HQ OPS Officer: BILL HUFFMAN
Notification Date: 10/12/2007
Notification Time: 18:07 [ET]
Event Date: 10/12/2007
Event Time: 00:00 [MDT]
Last Update Date: 10/12/2007
Notification Time: 18:07 [ET]
Event Date: 10/12/2007
Event Time: 00:00 [MDT]
Last Update Date: 10/12/2007
Emergency Class: NON EMERGENCY
10 CFR Section:
30.50(b)(2) - SAFETY EQUIPMENT FAILURE
10 CFR Section:
30.50(b)(2) - SAFETY EQUIPMENT FAILURE
Person (Organization):
MICHAEL SHANNON (R4)
SCOTT FLANDERS (FSME)
MICHAEL SHANNON (R4)
SCOTT FLANDERS (FSME)
DAMAGED TROXLER MOISTURE DENSITY GAUGE
A Troxler moisture density gauge was damaged by construction equipment that backed up over the gauge after it had been placed on the ground in preparation for taking soil density measurements. The incident occurred at a Great Falls MT construction site. The source rod was still in the safe shielded position when run over. The gauge housing was damaged but there was no apparent damage to the gauge sources. The rod source was confirmed to still be present in the gauge. There was no contamination found. The damaged gauge was placed into its shipping container. The sources will be leaked tested prior to shipment to Troxler for repair.
A Troxler moisture density gauge was damaged by construction equipment that backed up over the gauge after it had been placed on the ground in preparation for taking soil density measurements. The incident occurred at a Great Falls MT construction site. The source rod was still in the safe shielded position when run over. The gauge housing was damaged but there was no apparent damage to the gauge sources. The rod source was confirmed to still be present in the gauge. There was no contamination found. The damaged gauge was placed into its shipping container. The sources will be leaked tested prior to shipment to Troxler for repair.
General Information or Other
Event Number: 43726
Rep Org: NC DIV OF RADIATION PROTECTION
Licensee: CAROLINAS MEDICAL CENTER
Region: 1
City: CHARLOTTE State: NC
County:
License #: 060-0014-3
Agreement: Y
Docket:
NRC Notified By: SHARN JEFFRIES
HQ OPS Officer: JOE O'HARA
Licensee: CAROLINAS MEDICAL CENTER
Region: 1
City: CHARLOTTE State: NC
County:
License #: 060-0014-3
Agreement: Y
Docket:
NRC Notified By: SHARN JEFFRIES
HQ OPS Officer: JOE O'HARA
Notification Date: 10/17/2007
Notification Time: 09:13 [ET]
Event Date: 10/12/2007
Event Time: 00:00 [EDT]
Last Update Date: 10/17/2007
Notification Time: 09:13 [ET]
Event Date: 10/12/2007
Event Time: 00:00 [EDT]
Last Update Date: 10/17/2007
Emergency Class: NON EMERGENCY
10 CFR Section:
10 CFR Section:
Person (Organization):
CHRISTOPHER CAHILL (R1)
GREG MORELL (FSME)
CINDY FLANNERY (FSME)
CHRISTOPHER CAHILL (R1)
GREG MORELL (FSME)
CINDY FLANNERY (FSME)
AGREEMENT STATE REPORT - LEAKING I-125 PROSTATE BRACHYTHERAPY SEED
"Patient was implanted with 100 Iodine 125 seeds (0.36 milliCuries per seed) on Friday October 12, 2007. Five (5) seeds were left over. The 5 leftover seeds were emptied from the loading cartridge into a lead pig. The cartridge was deposited in the regular trash. The leftover seeds were assayed by [DELETED], Rad Safety Tech on October 16, 2007. After assaying the seeds, [DELETED] surveyed the lead pig, and discovered elevated exposure rates of the empty pig. Further surveys and wipes indicated removable contamination of the lead pig.
"The five Iodine 125 seeds were leak/wipe tested, and one seed showed 0.02 microCuries of removable contamination (29,000 dpm). The loading cartridge was tracked down in the regular trash, and showed removable contamination. The patient was recalled, and a thyroid scan of the patient on 10/16/07 showed no elevated thyroid uptake. The surgeon [DELETED] and all surgical staff showed no removable contamination. The surgery suite and all adjacent/pertinent areas showed no removable contamination.
"The leaking source has been packaged, and is ready to be shipped back to Core Oncology, Oklahoma City for evaluation. Mills Pharmaceuticals (Core Oncology) manufactures sources.
"North Carolina Incident No. 07-52"
A "Medical Event" may indicate potential problems in a medical facility's use of radioactive materials. It does not necessarily result in harm to the patient.
"Patient was implanted with 100 Iodine 125 seeds (0.36 milliCuries per seed) on Friday October 12, 2007. Five (5) seeds were left over. The 5 leftover seeds were emptied from the loading cartridge into a lead pig. The cartridge was deposited in the regular trash. The leftover seeds were assayed by [DELETED], Rad Safety Tech on October 16, 2007. After assaying the seeds, [DELETED] surveyed the lead pig, and discovered elevated exposure rates of the empty pig. Further surveys and wipes indicated removable contamination of the lead pig.
"The five Iodine 125 seeds were leak/wipe tested, and one seed showed 0.02 microCuries of removable contamination (29,000 dpm). The loading cartridge was tracked down in the regular trash, and showed removable contamination. The patient was recalled, and a thyroid scan of the patient on 10/16/07 showed no elevated thyroid uptake. The surgeon [DELETED] and all surgical staff showed no removable contamination. The surgery suite and all adjacent/pertinent areas showed no removable contamination.
"The leaking source has been packaged, and is ready to be shipped back to Core Oncology, Oklahoma City for evaluation. Mills Pharmaceuticals (Core Oncology) manufactures sources.
"North Carolina Incident No. 07-52"
A "Medical Event" may indicate potential problems in a medical facility's use of radioactive materials. It does not necessarily result in harm to the patient.