Event Notification Report for May 03, 2011
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
05/02/2011 - 05/03/2011
EVENT NUMBERS
468154681846811468124681346814
Agreement State
Event Number: 46815
Rep Org: TEXAS DEPARTMENT OF HEALTH
Licensee: AVILES ENGINEERING
Region: 4
City: HOUSTON State: TX
County:
License #: L03016
Agreement: Y
Docket:
NRC Notified By: RAY JISHA
HQ OPS Officer: CHARLES TEAL
Licensee: AVILES ENGINEERING
Region: 4
City: HOUSTON State: TX
County:
License #: L03016
Agreement: Y
Docket:
NRC Notified By: RAY JISHA
HQ OPS Officer: CHARLES TEAL
Notification Date: 05/03/2011
Notification Time: 20:12 [ET]
Event Date: 05/03/2011
Event Time: 04:30 [CDT]
Last Update Date: 05/09/2011
Notification Time: 20:12 [ET]
Event Date: 05/03/2011
Event Time: 04:30 [CDT]
Last Update Date: 05/09/2011
Emergency Class: NON EMERGENCY
10 CFR Section:
10 CFR Section:
Person (Organization):
DAVID PROULX (R4DO)
DIANA DIAZ-TORO (FSME)
MEXICO VIA FAX
DAVID PROULX (R4DO)
DIANA DIAZ-TORO (FSME)
MEXICO VIA FAX
AGREEMENT STATE - STOLEN TROXLER MODEL 3430
"On May 3, 2011, the Agency [Texas Department of Health] was notified by the licensee that a Troxler Model 3430 moisture/density gauge had been stolen from the back of one of their trucks. The gauge was stolen at the intersection of Nalor and North Main in Houston, Texas. The gauge contains a 40 milliCurie Americium (Am) - 241 source, and an eight milliCurie Cesium (Cs) -137 source. The licensee reported that their technician had completed his work and returned to the licensee's facility. When the technician went to the back of the truck to get the gauge, he found the gauge missing, one chain and lock missing, and the other lock had a busted bail. The technician contacted the other licensee's technicians who were at the work site to see if any of them had the gauge. No one did. The technician contacted his manager and reported the missing gauge. The licensee contacted local law enforcement and notified them of the theft. The Agency has sent notification of the theft to the Texas Association of Pawn Brokers. Additional information will be provided as it is received in accordance with Reporting Material Events SA-300."
The serial number of the gauge is 63670. The source numbers are 78-6298 and 77-9880.
Texas Incident: I-8841
* * * UPDATE FROM CHRIS MOORE TO DONALD NORWOOD AT 1347 EDT ON 5/9/2011 VIA FACSIMILE * * *
"On May 7, 2011, local law enforcement reported to a residence due to a domestic dispute call. The police saw a radiation symbol on the gauge case, confirmed it was stolen, and confiscated the case and gauge. The Troxler model 3430 moisture/density gauge serial # 63670 was returned to the licensee. The gauge was inspected and returned to service."
Notified Mexico via fax. Notified R4DO (Walker), FSME DEO (McIntosh).
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 source is not amongst those sources or devices identified by the IAEA Code of Conduct for the Safety & Security of Radioactive Sources to be of concern from a radiological standpoint. Therefore is it being categorized as a less than Category 3 source
"On May 3, 2011, the Agency [Texas Department of Health] was notified by the licensee that a Troxler Model 3430 moisture/density gauge had been stolen from the back of one of their trucks. The gauge was stolen at the intersection of Nalor and North Main in Houston, Texas. The gauge contains a 40 milliCurie Americium (Am) - 241 source, and an eight milliCurie Cesium (Cs) -137 source. The licensee reported that their technician had completed his work and returned to the licensee's facility. When the technician went to the back of the truck to get the gauge, he found the gauge missing, one chain and lock missing, and the other lock had a busted bail. The technician contacted the other licensee's technicians who were at the work site to see if any of them had the gauge. No one did. The technician contacted his manager and reported the missing gauge. The licensee contacted local law enforcement and notified them of the theft. The Agency has sent notification of the theft to the Texas Association of Pawn Brokers. Additional information will be provided as it is received in accordance with Reporting Material Events SA-300."
The serial number of the gauge is 63670. The source numbers are 78-6298 and 77-9880.
Texas Incident: I-8841
* * * UPDATE FROM CHRIS MOORE TO DONALD NORWOOD AT 1347 EDT ON 5/9/2011 VIA FACSIMILE * * *
"On May 7, 2011, local law enforcement reported to a residence due to a domestic dispute call. The police saw a radiation symbol on the gauge case, confirmed it was stolen, and confiscated the case and gauge. The Troxler model 3430 moisture/density gauge serial # 63670 was returned to the licensee. The gauge was inspected and returned to service."
Notified Mexico via fax. Notified R4DO (Walker), FSME DEO (McIntosh).
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 source is not amongst those sources or devices identified by the IAEA Code of Conduct for the Safety & Security of Radioactive Sources to be of concern from a radiological standpoint. Therefore is it being categorized as a less than Category 3 source
Agreement State
Event Number: 46818
Rep Org: PA BUREAU OF RADIATION PROTECTION
Licensee: SUNBURY GENERATION LP
Region: 1
City: SHAMOKIN DAM State: PA
County:
License #: PA-G0283
Agreement: Y
Docket:
NRC Notified By: JOSEPH M. MELNIC
HQ OPS Officer: HOWIE CROUCH
Licensee: SUNBURY GENERATION LP
Region: 1
City: SHAMOKIN DAM State: PA
County:
License #: PA-G0283
Agreement: Y
Docket:
NRC Notified By: JOSEPH M. MELNIC
HQ OPS Officer: HOWIE CROUCH
Notification Date: 05/04/2011
Notification Time: 09:58 [ET]
Event Date: 05/03/2011
Event Time: 10:30 [EDT]
Last Update Date: 05/09/2011
Notification Time: 09:58 [ET]
Event Date: 05/03/2011
Event Time: 10:30 [EDT]
Last Update Date: 05/09/2011
Emergency Class: NON EMERGENCY
10 CFR Section:
10 CFR Section:
Person (Organization):
HAROLD GRAY (R1DO)
ANGELA MCINTOSH (FSME)
HAROLD GRAY (R1DO)
ANGELA MCINTOSH (FSME)
AGREEMENT STATE REPORT - SHUTTER MECHANISM FAILURE
The following information was obtained from the State of Pennsylvania via facsimile:
"It was determined that the remote shutter actuator on a device is inoperable due to foreign material in the shutter mechanism. The device is identified as Texas Nuclear, Model 5197 (Serial No. 81637) with approximately 100 mCi of Cs-137.
"The cause of the event was equipment failure.
"The shutter is locked in the closed position and shall remain so until repairs are made. Licensee will notify the Department [Pennsylvania Dept. of Environmental Protection] when licensed repairs are made."
PA Event Report ID: PA110009
* * * UPDATE FROM JOE MELNIC TO DONALD NORWOOD AT 1431 EDT ON 5/9/2011 VIA FACSIMILE * * *
"Upon further investigation it was determined that the remote actuator on the device is inoperable due to a crack in the mechanism that holds the actuator to the gauge. This prevents the shutter from operating as designed by the manufacturer. The device is identified as Texas Nuclear, Model 5197 (Serial No. B1637) with approximately 100 mCi of Cs-137."
Notified R1DO (DeFrancisco) and FSME (Diaz-Toro).
The following information was obtained from the State of Pennsylvania via facsimile:
"It was determined that the remote shutter actuator on a device is inoperable due to foreign material in the shutter mechanism. The device is identified as Texas Nuclear, Model 5197 (Serial No. 81637) with approximately 100 mCi of Cs-137.
"The cause of the event was equipment failure.
"The shutter is locked in the closed position and shall remain so until repairs are made. Licensee will notify the Department [Pennsylvania Dept. of Environmental Protection] when licensed repairs are made."
PA Event Report ID: PA110009
* * * UPDATE FROM JOE MELNIC TO DONALD NORWOOD AT 1431 EDT ON 5/9/2011 VIA FACSIMILE * * *
"Upon further investigation it was determined that the remote actuator on the device is inoperable due to a crack in the mechanism that holds the actuator to the gauge. This prevents the shutter from operating as designed by the manufacturer. The device is identified as Texas Nuclear, Model 5197 (Serial No. B1637) with approximately 100 mCi of Cs-137."
Notified R1DO (DeFrancisco) and FSME (Diaz-Toro).
Power Reactor
Event Number: 46811
Facility: SUMMER
Region: 2 State: SC
Unit: [1] [] []
RX Type: [1] W-3-LP
NRC Notified By: GEORGE ROBERTSON
HQ OPS Officer: CHARLES TEAL
Region: 2 State: SC
Unit: [1] [] []
RX Type: [1] W-3-LP
NRC Notified By: GEORGE ROBERTSON
HQ OPS Officer: CHARLES TEAL
Notification Date: 05/03/2011
Notification Time: 13:02 [ET]
Event Date: 05/03/2011
Event Time: 05:14 [EDT]
Last Update Date: 05/03/2011
Notification Time: 13:02 [ET]
Event Date: 05/03/2011
Event Time: 05:14 [EDT]
Last Update Date: 05/03/2011
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):
DAVID AYRES (R2DO)
DAVID AYRES (R2DO)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | N | N | 0 | Refueling | 0 | Refueling |
TWO APPENDIX R VIOLATIONS THAT CAN ADVERSELY IMPACT ABILITY TO SHUT DOWN PLANT
"On 05/03/2011 at 0514 [EDT] V.C. Summer Nuclear Station (VCSNS) determined the following:
"During circuit analysis review for transitioning the Fire Protection Program to NFPA-0805, VCSNS identified two violations of the Appendix R requirement to maintain one train of systems necessary to achieve and maintain hot shutdown conditions in accordance with Appendix R. Both instances apply to postulated fires in the Main Control Room and Cable Spreading Room.
"In the first instance, circuits were identified in the Main Control Room and Cable Spreading Room that impact a control power circuit that could result in the loss of ability to start the 'B' Emergency Diesel Generator using local controls. Because fires in these areas can result in the need to evacuate the Main Control Room, the inability to start the diesel using local controls could have an adverse impact on the ability to safely shut down the plant.
"In the second instance, VCSNS determined that a fire in either the Main Control Room or Cable Spreading Room could result in a hot short that could actuate a relay and trip all incoming breakers to the B-train essential electrical bus (Bus 1DB). Because fires in these areas can result in a loss of power to the bus, this could have an adverse impact on the ability to safely shut down the plant."
The NRC Resident Inspector has been informed.
"On 05/03/2011 at 0514 [EDT] V.C. Summer Nuclear Station (VCSNS) determined the following:
"During circuit analysis review for transitioning the Fire Protection Program to NFPA-0805, VCSNS identified two violations of the Appendix R requirement to maintain one train of systems necessary to achieve and maintain hot shutdown conditions in accordance with Appendix R. Both instances apply to postulated fires in the Main Control Room and Cable Spreading Room.
"In the first instance, circuits were identified in the Main Control Room and Cable Spreading Room that impact a control power circuit that could result in the loss of ability to start the 'B' Emergency Diesel Generator using local controls. Because fires in these areas can result in the need to evacuate the Main Control Room, the inability to start the diesel using local controls could have an adverse impact on the ability to safely shut down the plant.
"In the second instance, VCSNS determined that a fire in either the Main Control Room or Cable Spreading Room could result in a hot short that could actuate a relay and trip all incoming breakers to the B-train essential electrical bus (Bus 1DB). Because fires in these areas can result in a loss of power to the bus, this could have an adverse impact on the ability to safely shut down the plant."
The NRC Resident Inspector has been informed.
Power Reactor
Event Number: 46812
Facility: WATTS BAR
Region: 2 State: TN
Unit: [] [2] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: PETE WILLIAMS
HQ OPS Officer: BILL HUFFMAN
Region: 2 State: TN
Unit: [] [2] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: PETE WILLIAMS
HQ OPS Officer: BILL HUFFMAN
Notification Date: 05/03/2011
Notification Time: 14:18 [ET]
Event Date: 05/03/2011
Event Time: 00:00 [EDT]
Last Update Date: 05/03/2011
Notification Time: 14:18 [ET]
Event Date: 05/03/2011
Event Time: 00:00 [EDT]
Last Update Date: 05/03/2011
Emergency Class: NON EMERGENCY
10 CFR Section:
26.719 - FITNESS FOR DUTY
10 CFR Section:
26.719 - FITNESS FOR DUTY
Person (Organization):
DAVID AYRES (R2DO)
DAVID AYRES (R2DO)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 2 | N | N | 0 | Under Construction | 0 | Under Construction |
CONTRACT SUPERVISOR TESTED POSITIVE FOR ILLEGAL DRUG
A contract supervisor had a confirmed positive for an illegal drug during a random fitness-for-duty test. The employee's access to the plant has been terminated. The licensee has notified the NRC Resident Inspector.
Contact the Headquarters Operations Officer for additional details.
A contract supervisor had a confirmed positive for an illegal drug during a random fitness-for-duty test. The employee's access to the plant has been terminated. The licensee has notified the NRC Resident Inspector.
Contact the Headquarters Operations Officer for additional details.
Power Reactor
Event Number: 46813
Facility: DUANE ARNOLD
Region: 3 State: IA
Unit: [1] [] []
RX Type: [1] GE-4
NRC Notified By: KEN CARLSON
HQ OPS Officer: JOHN SHOEMAKER
Region: 3 State: IA
Unit: [1] [] []
RX Type: [1] GE-4
NRC Notified By: KEN CARLSON
HQ OPS Officer: JOHN SHOEMAKER
Notification Date: 05/03/2011
Notification Time: 15:39 [ET]
Event Date: 05/03/2011
Event Time: 13:44 [CDT]
Last Update Date: 05/04/2011
Notification Time: 15:39 [ET]
Event Date: 05/03/2011
Event Time: 13:44 [CDT]
Last Update Date: 05/04/2011
Emergency Class: ALERT
10 CFR Section:
50.72(a) (1) (i) - EMERGENCY DECLARED 50.72(b)(1) - DEVIATION FROM T SPEC
10 CFR Section:
50.72(a) (1) (i) - EMERGENCY DECLARED 50.72(b)(1) - DEVIATION FROM T SPEC
Person (Organization):
MARK RING (R3DO)
ANNE BOLAND (R3 R)
BRUCE BOGER (NRR)
STEVEN WEST (R3)
WILLIAM GOTT (IRD)
MARK RING (R3DO)
ANNE BOLAND (R3 R)
BRUCE BOGER (NRR)
STEVEN WEST (R3)
WILLIAM GOTT (IRD)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | N | Y | 100 | Power Operation | 100 | Power Operation |
ALERT DECLARED DUE TO FIRE AFFECTING ACCESS TO SAFETY RELATED EQUIPMENT
The licensee has declared an Alert due to a hydrogen fire on the hydrogen pad outside the protected area that resulted in evacuating outbuildings (pump house and air compressor buildings) that contain safety related equipment. The Alert is classified under Emergency Action Level HA-3.2 based on report or detection of gases in concentrations higher than lower flammability limit or contiguous to a safe shutdown or vital area. The licensee has also suspended certain security measures under 50.54(x) and 50.54(y). Security measures were suspended due to risks from the fire with no compensatory measures in-place at this time.
The fire involves hydrogen cylinders delivered to the site to a trailer pad outside the protected area. The fire developed while exchanging a newly delivered trailer of hydrogen cylinders with an expended hydrogen cylinder trailer.
The fire brigade has responded and offsite fire departments have responded to the site. Fire water is currently being sprayed on the hydrogen cylinders. There is no indication of any damage to any plant equipment other than the hydrogen trailer area equipment. The driver of the hydrogen supply truck was reported to have sustained some injuries. There are no other reported injuries to plant personnel.
The hydrogen water chemistry system has been isolated and makeup hydrogen to the main generator is isolated. The hydrogen isolation has no impact on the licensee at this time. The plant continues to operate at full power and there have been no immediate impacts from the fire to plant operation.
The licensee has notified State, and local authorities and the NRC Resident Inspector.
* * * UPDATE FROM SCHWERTFEGER TO TEAL AT 1550 EDT ON 5/3/11 * * *
The licensee made a one-hour notification of deviation from technical specifications under 10 CFR 50.54(x) and (y) due to the ongoing hydrogen fire. This was due to safeguards system degradation related to monitoring and detection of the OCA. Contact the Headquarters Operations Officer for details.
R3 IRC was notified of this report.
* * * UPDATE FROM SCHWERTFEGER TO HUFFMAN AT 1925 EDT ON 5/3/11 * * *
The licensee reported all safeguards systems have been restored and they have exited 10 CFR 50.54(x) and (y).
R3 IRC was notified of this report.
* * * UPDATE FROM CARLSON TO HUFFMAN AT 2023 EDT ON 5/3/11 * * *
At 1855 CDT, Duane Arnold has re-classified the hydrogen trailer fire event to an Unusual Event level. The event is classified as an UE under EAL HU-5.1 based on other conditions that exist which, in the judgment of the emergency director, indicate events are in progress or have occurred which indicate a potential for degradation for the level of safety of the plant.
The licensee has allowed access to all areas that were previously restricted due to potential safety concerns from the ongoing fire. The hydrogen trailer cylinders are still being sprayed with water and several cylinders are still showing thermal images above ambient. The licensee will evaluate event termination when the fire can be conclusively demonstrated to be extinguished. The licensee has notified state and local authorities and the NRC Resident Inspector.
NRC Region 3 continues to monitor the event. Notified R3 (West), NRR EO (Holian), FEMA (Via), and DHS (Knox).
* * * UPDATE FROM RUSHWORTH TO KLCO AT 0302 EDT ON 5/4/11* * *
At 0135 CDT on 5/4/11, Duane Arnold terminated from the Unusual Event. The fire was verified to be out, with no hot spots. The hydrogen tanks have been isolated and the licensee verified no hydrogen is present in the area of the hydrogen pad.
The licensee has notified State, local authorities and the NRC Resident Inspector.
R3 IRC was notified of this report. Notified R3 (West), NRR (Boger), FEMA (Via), DHS (Hill), HHS (Collins), USDA (Timmons) and DOE (Yates). Will notify R3DO (Ring), NRR EO (Holian), IRD (Marshall).
The licensee has declared an Alert due to a hydrogen fire on the hydrogen pad outside the protected area that resulted in evacuating outbuildings (pump house and air compressor buildings) that contain safety related equipment. The Alert is classified under Emergency Action Level HA-3.2 based on report or detection of gases in concentrations higher than lower flammability limit or contiguous to a safe shutdown or vital area. The licensee has also suspended certain security measures under 50.54(x) and 50.54(y). Security measures were suspended due to risks from the fire with no compensatory measures in-place at this time.
The fire involves hydrogen cylinders delivered to the site to a trailer pad outside the protected area. The fire developed while exchanging a newly delivered trailer of hydrogen cylinders with an expended hydrogen cylinder trailer.
The fire brigade has responded and offsite fire departments have responded to the site. Fire water is currently being sprayed on the hydrogen cylinders. There is no indication of any damage to any plant equipment other than the hydrogen trailer area equipment. The driver of the hydrogen supply truck was reported to have sustained some injuries. There are no other reported injuries to plant personnel.
The hydrogen water chemistry system has been isolated and makeup hydrogen to the main generator is isolated. The hydrogen isolation has no impact on the licensee at this time. The plant continues to operate at full power and there have been no immediate impacts from the fire to plant operation.
The licensee has notified State, and local authorities and the NRC Resident Inspector.
* * * UPDATE FROM SCHWERTFEGER TO TEAL AT 1550 EDT ON 5/3/11 * * *
The licensee made a one-hour notification of deviation from technical specifications under 10 CFR 50.54(x) and (y) due to the ongoing hydrogen fire. This was due to safeguards system degradation related to monitoring and detection of the OCA. Contact the Headquarters Operations Officer for details.
R3 IRC was notified of this report.
* * * UPDATE FROM SCHWERTFEGER TO HUFFMAN AT 1925 EDT ON 5/3/11 * * *
The licensee reported all safeguards systems have been restored and they have exited 10 CFR 50.54(x) and (y).
R3 IRC was notified of this report.
* * * UPDATE FROM CARLSON TO HUFFMAN AT 2023 EDT ON 5/3/11 * * *
At 1855 CDT, Duane Arnold has re-classified the hydrogen trailer fire event to an Unusual Event level. The event is classified as an UE under EAL HU-5.1 based on other conditions that exist which, in the judgment of the emergency director, indicate events are in progress or have occurred which indicate a potential for degradation for the level of safety of the plant.
The licensee has allowed access to all areas that were previously restricted due to potential safety concerns from the ongoing fire. The hydrogen trailer cylinders are still being sprayed with water and several cylinders are still showing thermal images above ambient. The licensee will evaluate event termination when the fire can be conclusively demonstrated to be extinguished. The licensee has notified state and local authorities and the NRC Resident Inspector.
NRC Region 3 continues to monitor the event. Notified R3 (West), NRR EO (Holian), FEMA (Via), and DHS (Knox).
* * * UPDATE FROM RUSHWORTH TO KLCO AT 0302 EDT ON 5/4/11* * *
At 0135 CDT on 5/4/11, Duane Arnold terminated from the Unusual Event. The fire was verified to be out, with no hot spots. The hydrogen tanks have been isolated and the licensee verified no hydrogen is present in the area of the hydrogen pad.
The licensee has notified State, local authorities and the NRC Resident Inspector.
R3 IRC was notified of this report. Notified R3 (West), NRR (Boger), FEMA (Via), DHS (Hill), HHS (Collins), USDA (Timmons) and DOE (Yates). Will notify R3DO (Ring), NRR EO (Holian), IRD (Marshall).
Power Reactor
Event Number: 46814
Facility: CALLAWAY
Region: 4 State: MO
Unit: [1] [] []
RX Type: [1] W-4-LP
NRC Notified By: JEREMY MORTON
HQ OPS Officer: BILL HUFFMAN
Region: 4 State: MO
Unit: [1] [] []
RX Type: [1] W-4-LP
NRC Notified By: JEREMY MORTON
HQ OPS Officer: BILL HUFFMAN
Notification Date: 05/03/2011
Notification Time: 17:55 [ET]
Event Date: 05/03/2011
Event Time: 10:36 [CDT]
Last Update Date: 05/03/2011
Notification Time: 17:55 [ET]
Event Date: 05/03/2011
Event Time: 10:36 [CDT]
Last Update Date: 05/03/2011
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):
DAVID PROULX (R4DO)
DAVID PROULX (R4DO)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | N | Y | 100 | Power Operation | 100 | Power Operation |
NOTIFICATION TO OFFSITE AGENCY REGARDING POTABLE WATER RESIDUAL CHLORINE LEVEL
"The following is a non-emergency notification in accordance with 10CFR50.72(b)(2)(xi), Offsite Notification.
"At 1036, May 3, 2011, Callaway Plant notified the Missouri Department of Natural Resources (DNR) of an issue with the potable water supply system at the facility. This notification to the Missouri DNR was made in accordance with 10 CSR 60-4.055, 'Disinfection Requirements,' due to circumstances that adversely affect the quality of potable water.
"Specifically, loss of function of the potable water chlorine pumps resulted in residual chlorine in the potable water system falling below the levels specified by the regulation. DNR has not restricted drinking of Potable Water at Callaway Plant.
"Required compensatory actions have been initiated, including planned repairs of the potable water chlorination system.
"The NRC Resident Inspectors have been notified."
"The following is a non-emergency notification in accordance with 10CFR50.72(b)(2)(xi), Offsite Notification.
"At 1036, May 3, 2011, Callaway Plant notified the Missouri Department of Natural Resources (DNR) of an issue with the potable water supply system at the facility. This notification to the Missouri DNR was made in accordance with 10 CSR 60-4.055, 'Disinfection Requirements,' due to circumstances that adversely affect the quality of potable water.
"Specifically, loss of function of the potable water chlorine pumps resulted in residual chlorine in the potable water system falling below the levels specified by the regulation. DNR has not restricted drinking of Potable Water at Callaway Plant.
"Required compensatory actions have been initiated, including planned repairs of the potable water chlorination system.
"The NRC Resident Inspectors have been notified."