Event Notification Report for December 23, 2010
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
12/22/2010 - 12/23/2010
Power Reactor
Event Number: 46506
Facility: FT CALHOUN
Region: 4 State: NE
Unit: [1] [] []
RX Type: [1] CE
NRC Notified By: NATHAN SEID
HQ OPS Officer: MARK ABRAMOVITZ
Region: 4 State: NE
Unit: [1] [] []
RX Type: [1] CE
NRC Notified By: NATHAN SEID
HQ OPS Officer: MARK ABRAMOVITZ
Notification Date: 12/23/2010
Notification Time: 12:40 [ET]
Event Date: 12/23/2010
Event Time: 10:50 [CST]
Last Update Date: 12/23/2010
Notification Time: 12:40 [ET]
Event Date: 12/23/2010
Event Time: 10:50 [CST]
Last Update Date: 12/23/2010
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):
GREG WERNER (R4DO)
ALLEN HOWE (NRR)
WILLIAM GOTT (IRD)
GREG WERNER (R4DO)
ALLEN HOWE (NRR)
WILLIAM GOTT (IRD)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | A/R | Y | 100 | Power Operation | 0 | Hot Standby |
UNCOMPLICATED REACTOR TRIP FROM 100% POWER
"At 1050 CST on 12/23/2010, Fort Calhoun Station experienced a reactor trip due to an unknown cause. No abnormal indications were present at the time of the trip.
[Procedure] "EOP-00, Standard Post Trip Actions, was performed.
"At 1054 CST, transitioned to [procedure] EOP-01, Reactor Trip Recovery. All Safety Functions of EOP-01 are being satisfied.
"At 1207 CST, 345KV Backfeed was established to all 4160V buses.
"The plant is currently stable in Mode 3, and the station continues efforts to determine the cause of the reactor trip."
All tripable control rods fully inserted during the reactor trip. No PORVs or safety valves lifted. The steam generators are being fed from the Main Feed Pumps and decay heat is being removed to the main condenser. No Emergency Safety Features actuated during the trip except for the reactor trip.
The licensee notified the NRC Resident Inspector.
"At 1050 CST on 12/23/2010, Fort Calhoun Station experienced a reactor trip due to an unknown cause. No abnormal indications were present at the time of the trip.
[Procedure] "EOP-00, Standard Post Trip Actions, was performed.
"At 1054 CST, transitioned to [procedure] EOP-01, Reactor Trip Recovery. All Safety Functions of EOP-01 are being satisfied.
"At 1207 CST, 345KV Backfeed was established to all 4160V buses.
"The plant is currently stable in Mode 3, and the station continues efforts to determine the cause of the reactor trip."
All tripable control rods fully inserted during the reactor trip. No PORVs or safety valves lifted. The steam generators are being fed from the Main Feed Pumps and decay heat is being removed to the main condenser. No Emergency Safety Features actuated during the trip except for the reactor trip.
The licensee notified the NRC Resident Inspector.
Power Reactor
Event Number: 46507
Facility: OYSTER CREEK
Region: 1 State: NJ
Unit: [1] [] []
RX Type: [1] GE-2
NRC Notified By: ERIC SWAIN
HQ OPS Officer: DONALD NORWOOD
Region: 1 State: NJ
Unit: [1] [] []
RX Type: [1] GE-2
NRC Notified By: ERIC SWAIN
HQ OPS Officer: DONALD NORWOOD
Notification Date: 12/23/2010
Notification Time: 16:40 [ET]
Event Date: 12/23/2010
Event Time: 14:07 [EST]
Last Update Date: 12/23/2010
Notification Time: 16:40 [ET]
Event Date: 12/23/2010
Event Time: 14:07 [EST]
Last Update Date: 12/23/2010
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(iv)(B) - RPS ACTUATION - CRITICAL
10 CFR Section:
50.72(b)(2)(iv)(B) - RPS ACTUATION - CRITICAL
Person (Organization):
NEIL PERRY (R1DO)
NEIL PERRY (R1DO)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | A/R | Y | 0 | Startup | 0 | Hot Shutdown |
REACTOR SCRAM DURING STARTUP
"At 1407 EST, during reactor startup at a RCS [Reactor Coolant System] pressure of 570 psig and with the turbine off-line, a Low Condenser Vacuum trip signal from both RPS [Reactor Protection System] channels resulted in an automatic reactor scram. All control rods fully inserted and plant response was as expected. This notification is in accordance with 10CFR50.72(b)(2)(iv)(B). The reactor is currently subcritical."
The licensee notified the NRC Resident Inspector.
"At 1407 EST, during reactor startup at a RCS [Reactor Coolant System] pressure of 570 psig and with the turbine off-line, a Low Condenser Vacuum trip signal from both RPS [Reactor Protection System] channels resulted in an automatic reactor scram. All control rods fully inserted and plant response was as expected. This notification is in accordance with 10CFR50.72(b)(2)(iv)(B). The reactor is currently subcritical."
The licensee notified the NRC Resident Inspector.
Agreement State
Event Number: 46586
Rep Org: ARIZONA RADIATION REGULATORY AGENCY
Licensee: YUMA CARDIOLOGIST ASSOCIATES
Region: 4
City: YUMA State: AZ
County:
License #: 14-029
Agreement: Y
Docket:
NRC Notified By: AUBREY V. GOODWIN
HQ OPS Officer: JOHN KNOKE
Licensee: YUMA CARDIOLOGIST ASSOCIATES
Region: 4
City: YUMA State: AZ
County:
License #: 14-029
Agreement: Y
Docket:
NRC Notified By: AUBREY V. GOODWIN
HQ OPS Officer: JOHN KNOKE
Notification Date: 02/02/2011
Notification Time: 15:47 [ET]
Event Date: 12/23/2010
Event Time: 00:00 [MST]
Last Update Date: 02/04/2011
Notification Time: 15:47 [ET]
Event Date: 12/23/2010
Event Time: 00:00 [MST]
Last Update Date: 02/04/2011
Emergency Class: NON EMERGENCY
10 CFR Section:
10 CFR Section:
Person (Organization):
LINDA HOWELL (R4DO)
JACK FOSTER (FSME)
LINDA HOWELL (R4DO)
JACK FOSTER (FSME)
AGREEMENT STATE REPORT INVOLVING AN UNPLANNED FETAL EXPOSURE
This information was provided by the state via email:
"On 12/23/10, the patient was administered the radiopharmaceutical for a nuclear stress test. Notices were posted in English and Spanish to [advise the patient to] inform the staff if you [the patient] think you are or could be pregnant. The patient was scheduled to return for the resting portion of the study on 12/28/2010. At this time, the patient and the husband raised the possibility of the patient being pregnant. The resting test was canceled and a pregnancy test performed which was positive.
"The Agency continues to investigate the actions of the licensee and timeliness of reporting of this event. The U.S. NRC and the Arizona Governor's office have been notified of this event. Press coverage is not anticipated.
"Source: Tc99m; Activity: 30 milliCuries"
Arizona First Notice: 11-001
* * UPDATE FROM AUBREY GODWIN TO DONG PARK AT 1046 EST ON 2/4/11 * * *
This information was provided by the State via email:
"Doses: The licensee estimates the fetus exposure is 1,300 mRem.
"Corrective Actions: The licensee now requires a signed statement on pregnancy."
Notified FSME EO (Villamar) and R4DO (Howell).
This information was provided by the state via email:
"On 12/23/10, the patient was administered the radiopharmaceutical for a nuclear stress test. Notices were posted in English and Spanish to [advise the patient to] inform the staff if you [the patient] think you are or could be pregnant. The patient was scheduled to return for the resting portion of the study on 12/28/2010. At this time, the patient and the husband raised the possibility of the patient being pregnant. The resting test was canceled and a pregnancy test performed which was positive.
"The Agency continues to investigate the actions of the licensee and timeliness of reporting of this event. The U.S. NRC and the Arizona Governor's office have been notified of this event. Press coverage is not anticipated.
"Source: Tc99m; Activity: 30 milliCuries"
Arizona First Notice: 11-001
* * UPDATE FROM AUBREY GODWIN TO DONG PARK AT 1046 EST ON 2/4/11 * * *
This information was provided by the State via email:
"Doses: The licensee estimates the fetus exposure is 1,300 mRem.
"Corrective Actions: The licensee now requires a signed statement on pregnancy."
Notified FSME EO (Villamar) and R4DO (Howell).