NRC Event Notification Reports
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I share the Event Notifications published daily by the US Nuclear Regulatory Commission.
60-DAY REPORT OF INVALID ACTUATION OF CONTAINMENT ISOLATION VALVES
Hope Creek (NJ), 10/11/2025
"This sixty-day telephone notification is being made per 10 CFR 50.73(a)(2)(iv)(A) under the provision 10 CFR 50.73(a)(1), as an invalid actuation of containment isolation valves in more than one system. …
Hope Creek (NJ), 10/11/2025
"This sixty-day telephone notification is being made per 10 CFR 50.73(a)(2)(iv)(A) under the provision 10 CFR 50.73(a)(1), as an invalid actuation of containment isolation valves in more than one system. …
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
December 11, 2025 at 4:11 PM
60-DAY REPORT OF INVALID ACTUATION OF CONTAINMENT ISOLATION VALVES
Hope Creek (NJ), 10/11/2025
"This sixty-day telephone notification is being made per 10 CFR 50.73(a)(2)(iv)(A) under the provision 10 CFR 50.73(a)(1), as an invalid actuation of containment isolation valves in more than one system. …
Hope Creek (NJ), 10/11/2025
"This sixty-day telephone notification is being made per 10 CFR 50.73(a)(2)(iv)(A) under the provision 10 CFR 50.73(a)(1), as an invalid actuation of containment isolation valves in more than one system. …
FITNESS FOR DUTY VIOLATION
Davis Besse (OH), 12/09/2025
"At 0818 EST on December 9, 2025, it was determined that a contract supervisor failed a test specified by the fitness for duty testing program. The individual's authorization for site access has been terminated.
"The NRC Resident Inspector h…
Davis Besse (OH), 12/09/2025
"At 0818 EST on December 9, 2025, it was determined that a contract supervisor failed a test specified by the fitness for duty testing program. The individual's authorization for site access has been terminated.
"The NRC Resident Inspector h…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
December 11, 2025 at 3:41 PM
FITNESS FOR DUTY VIOLATION
Davis Besse (OH), 12/09/2025
"At 0818 EST on December 9, 2025, it was determined that a contract supervisor failed a test specified by the fitness for duty testing program. The individual's authorization for site access has been terminated.
"The NRC Resident Inspector h…
Davis Besse (OH), 12/09/2025
"At 0818 EST on December 9, 2025, it was determined that a contract supervisor failed a test specified by the fitness for duty testing program. The individual's authorization for site access has been terminated.
"The NRC Resident Inspector h…
EN Revision Imported Date: 12/11/2025<br><br>EN Revision Text: CERTIFICATE OF COMPLIANCE VIOLATION
Waynesboro, GA, 12/08/2025
"On December 8, 2025, at 1424 EST, it was confirmed that a primary neutron source assembly (NSA) was loaded into a multi-purpose canister contrary to the requirements stated…
Waynesboro, GA, 12/08/2025
"On December 8, 2025, at 1424 EST, it was confirmed that a primary neutron source assembly (NSA) was loaded into a multi-purpose canister contrary to the requirements stated…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
December 11, 2025 at 3:11 PM
EN Revision Imported Date: 12/11/2025<br><br>EN Revision Text: CERTIFICATE OF COMPLIANCE VIOLATION
Waynesboro, GA, 12/08/2025
"On December 8, 2025, at 1424 EST, it was confirmed that a primary neutron source assembly (NSA) was loaded into a multi-purpose canister contrary to the requirements stated…
Waynesboro, GA, 12/08/2025
"On December 8, 2025, at 1424 EST, it was confirmed that a primary neutron source assembly (NSA) was loaded into a multi-purpose canister contrary to the requirements stated…
STOLEN MOISTURE DENSITY GAUGE
Alameda, CA, 12/04/2025
"On December 4, 2025, the radiation safety officer (RSO) for Anbessaw Consulting, Inc., contacted the California Department of Public Health about a stolen moisture density gauge. The gauge was a CPN MC-3 Elite (S/N M30500858, 10 mCi Cs-137, 50…
Alameda, CA, 12/04/2025
"On December 4, 2025, the radiation safety officer (RSO) for Anbessaw Consulting, Inc., contacted the California Department of Public Health about a stolen moisture density gauge. The gauge was a CPN MC-3 Elite (S/N M30500858, 10 mCi Cs-137, 50…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
December 11, 2025 at 2:41 PM
STOLEN MOISTURE DENSITY GAUGE
Alameda, CA, 12/04/2025
"On December 4, 2025, the radiation safety officer (RSO) for Anbessaw Consulting, Inc., contacted the California Department of Public Health about a stolen moisture density gauge. The gauge was a CPN MC-3 Elite (S/N M30500858, 10 mCi Cs-137, 50…
Alameda, CA, 12/04/2025
"On December 4, 2025, the radiation safety officer (RSO) for Anbessaw Consulting, Inc., contacted the California Department of Public Health about a stolen moisture density gauge. The gauge was a CPN MC-3 Elite (S/N M30500858, 10 mCi Cs-137, 50…
LOST AND RECOVERED RADIOACTIVE WASTE
Jefferson City, MO, 08/26/2025
On 8/26/25, waste was collected from the Central Missouri Cardiology clinic (CMC) and sent to a landfill. Later that day, the Missouri Department of Health and Human Services (DHSS) was notified that a radiological alarm was trigge…
Jefferson City, MO, 08/26/2025
On 8/26/25, waste was collected from the Central Missouri Cardiology clinic (CMC) and sent to a landfill. Later that day, the Missouri Department of Health and Human Services (DHSS) was notified that a radiological alarm was trigge…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
December 11, 2025 at 2:11 PM
LOST AND RECOVERED RADIOACTIVE WASTE
Jefferson City, MO, 08/26/2025
On 8/26/25, waste was collected from the Central Missouri Cardiology clinic (CMC) and sent to a landfill. Later that day, the Missouri Department of Health and Human Services (DHSS) was notified that a radiological alarm was trigge…
Jefferson City, MO, 08/26/2025
On 8/26/25, waste was collected from the Central Missouri Cardiology clinic (CMC) and sent to a landfill. Later that day, the Missouri Department of Health and Human Services (DHSS) was notified that a radiological alarm was trigge…
DAMAGED GAUGE
Inman, SC, 12/01/2025
"GeoTrack Technologies, Inc. informed the Department via phone on December 1, 2025, that an authorized user and portable gauging device were hit by a truck while in use. The licensee reported that a 10 mCi Cs-137 and 40 mCi Am-241:Be Humboldt Scientific Model 500…
Inman, SC, 12/01/2025
"GeoTrack Technologies, Inc. informed the Department via phone on December 1, 2025, that an authorized user and portable gauging device were hit by a truck while in use. The licensee reported that a 10 mCi Cs-137 and 40 mCi Am-241:Be Humboldt Scientific Model 500…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
December 8, 2025 at 2:41 PM
DAMAGED GAUGE
Inman, SC, 12/01/2025
"GeoTrack Technologies, Inc. informed the Department via phone on December 1, 2025, that an authorized user and portable gauging device were hit by a truck while in use. The licensee reported that a 10 mCi Cs-137 and 40 mCi Am-241:Be Humboldt Scientific Model 500…
Inman, SC, 12/01/2025
"GeoTrack Technologies, Inc. informed the Department via phone on December 1, 2025, that an authorized user and portable gauging device were hit by a truck while in use. The licensee reported that a 10 mCi Cs-137 and 40 mCi Am-241:Be Humboldt Scientific Model 500…
MEDICAL EVENT
Baltimore, MD, 12/01/2025
"On December 1, 2025, at about 1100 EST, the Maryland Department of the Environment's Radiological Health Program (MDE/RHP) was notified via phone and email from the radiation safety officer (RSO) of MD-07-014-01 (University of Maryland Baltimore) that 13.78 …
Baltimore, MD, 12/01/2025
"On December 1, 2025, at about 1100 EST, the Maryland Department of the Environment's Radiological Health Program (MDE/RHP) was notified via phone and email from the radiation safety officer (RSO) of MD-07-014-01 (University of Maryland Baltimore) that 13.78 …
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
December 8, 2025 at 2:11 PM
MEDICAL EVENT
Baltimore, MD, 12/01/2025
"On December 1, 2025, at about 1100 EST, the Maryland Department of the Environment's Radiological Health Program (MDE/RHP) was notified via phone and email from the radiation safety officer (RSO) of MD-07-014-01 (University of Maryland Baltimore) that 13.78 …
Baltimore, MD, 12/01/2025
"On December 1, 2025, at about 1100 EST, the Maryland Department of the Environment's Radiological Health Program (MDE/RHP) was notified via phone and email from the radiation safety officer (RSO) of MD-07-014-01 (University of Maryland Baltimore) that 13.78 …
60-DAY REPORT OF INVALID EMERGENCY FEEDWATER SYSTEM ACTUATION
Summer (SC), 10/03/2025
"As allowed by 10 CFR 50.73(a)(1), VC Summer Nuclear Station (VCSNS) is making a 60-day notification of an invalid actuation under 10 CFR 50.73(a)(2)(iv)(A).
"At 0948 EDT, on October 3, 2025, VCSNS commenced a s…
Summer (SC), 10/03/2025
"As allowed by 10 CFR 50.73(a)(1), VC Summer Nuclear Station (VCSNS) is making a 60-day notification of an invalid actuation under 10 CFR 50.73(a)(2)(iv)(A).
"At 0948 EDT, on October 3, 2025, VCSNS commenced a s…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
December 4, 2025 at 2:11 PM
60-DAY REPORT OF INVALID EMERGENCY FEEDWATER SYSTEM ACTUATION
Summer (SC), 10/03/2025
"As allowed by 10 CFR 50.73(a)(1), VC Summer Nuclear Station (VCSNS) is making a 60-day notification of an invalid actuation under 10 CFR 50.73(a)(2)(iv)(A).
"At 0948 EDT, on October 3, 2025, VCSNS commenced a s…
Summer (SC), 10/03/2025
"As allowed by 10 CFR 50.73(a)(1), VC Summer Nuclear Station (VCSNS) is making a 60-day notification of an invalid actuation under 10 CFR 50.73(a)(2)(iv)(A).
"At 0948 EDT, on October 3, 2025, VCSNS commenced a s…
60-DAY OPTIONAL TELEPHONIC NOTIFICATION OF INVALID SPECIFIED SYSTEM ACTUATION
Cooper (NE), 10/06/2025
"At 0913 CDT, on October 6, 2025, a partial actuation of the division 1 emergency diesel generator (DG1) occurred during the performance of the 4160-volt bus 1F undervoltage relay channel functiona…
Cooper (NE), 10/06/2025
"At 0913 CDT, on October 6, 2025, a partial actuation of the division 1 emergency diesel generator (DG1) occurred during the performance of the 4160-volt bus 1F undervoltage relay channel functiona…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
December 3, 2025 at 3:41 PM
60-DAY OPTIONAL TELEPHONIC NOTIFICATION OF INVALID SPECIFIED SYSTEM ACTUATION
Cooper (NE), 10/06/2025
"At 0913 CDT, on October 6, 2025, a partial actuation of the division 1 emergency diesel generator (DG1) occurred during the performance of the 4160-volt bus 1F undervoltage relay channel functiona…
Cooper (NE), 10/06/2025
"At 0913 CDT, on October 6, 2025, a partial actuation of the division 1 emergency diesel generator (DG1) occurred during the performance of the 4160-volt bus 1F undervoltage relay channel functiona…
MEDICAL EVENT
Canton, OH, 11/25/2025
"A patient was scheduled to receive 30 mCi Y-90 to the right lobe of the liver in segments 5/6, but only 11.2 mCi was delivered. This is an underdose of 63 percent.
"The authorized user (AU) and interventional radiologist physician verified catheter placement …
Canton, OH, 11/25/2025
"A patient was scheduled to receive 30 mCi Y-90 to the right lobe of the liver in segments 5/6, but only 11.2 mCi was delivered. This is an underdose of 63 percent.
"The authorized user (AU) and interventional radiologist physician verified catheter placement …
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
December 3, 2025 at 3:11 PM
MEDICAL EVENT
Canton, OH, 11/25/2025
"A patient was scheduled to receive 30 mCi Y-90 to the right lobe of the liver in segments 5/6, but only 11.2 mCi was delivered. This is an underdose of 63 percent.
"The authorized user (AU) and interventional radiologist physician verified catheter placement …
Canton, OH, 11/25/2025
"A patient was scheduled to receive 30 mCi Y-90 to the right lobe of the liver in segments 5/6, but only 11.2 mCi was delivered. This is an underdose of 63 percent.
"The authorized user (AU) and interventional radiologist physician verified catheter placement …
EXTREMITY EXPOSURE EXCEEDING LIMITS
Burr Ridge, IL, 11/24/2025
The Agency was contacted the morning of November 26, 2025, by Mistras Group, Inc., to report a radiography overexposure that occurred on 11/24/25. Reportedly, a trainee stood over a collimated, exposed 37 Ci Ir-192 source for an unrepor…
Burr Ridge, IL, 11/24/2025
The Agency was contacted the morning of November 26, 2025, by Mistras Group, Inc., to report a radiography overexposure that occurred on 11/24/25. Reportedly, a trainee stood over a collimated, exposed 37 Ci Ir-192 source for an unrepor…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
December 3, 2025 at 2:41 PM
EXTREMITY EXPOSURE EXCEEDING LIMITS
Burr Ridge, IL, 11/24/2025
The Agency was contacted the morning of November 26, 2025, by Mistras Group, Inc., to report a radiography overexposure that occurred on 11/24/25. Reportedly, a trainee stood over a collimated, exposed 37 Ci Ir-192 source for an unrepor…
Burr Ridge, IL, 11/24/2025
The Agency was contacted the morning of November 26, 2025, by Mistras Group, Inc., to report a radiography overexposure that occurred on 11/24/25. Reportedly, a trainee stood over a collimated, exposed 37 Ci Ir-192 source for an unrepor…
PACKAGE LOST IN TRANSIT
Arlington Heights, IL, 11/25/2025
"The Agency was notified on November 25, 2025, by G.E. Healthcare that a shipment containing one shielded, 10 mL vial of an indium-111 radiopharmaceutical has been reported as lost after arriving at the [common carrier's] Memphis, TN hub. Th…
Arlington Heights, IL, 11/25/2025
"The Agency was notified on November 25, 2025, by G.E. Healthcare that a shipment containing one shielded, 10 mL vial of an indium-111 radiopharmaceutical has been reported as lost after arriving at the [common carrier's] Memphis, TN hub. Th…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
December 3, 2025 at 2:11 PM
PACKAGE LOST IN TRANSIT
Arlington Heights, IL, 11/25/2025
"The Agency was notified on November 25, 2025, by G.E. Healthcare that a shipment containing one shielded, 10 mL vial of an indium-111 radiopharmaceutical has been reported as lost after arriving at the [common carrier's] Memphis, TN hub. Th…
Arlington Heights, IL, 11/25/2025
"The Agency was notified on November 25, 2025, by G.E. Healthcare that a shipment containing one shielded, 10 mL vial of an indium-111 radiopharmaceutical has been reported as lost after arriving at the [common carrier's] Memphis, TN hub. Th…
LEAKING SOURCE
Easton, PA, 11/21/2025
"On November 21, 2025, the licensee was performing a routine sealed source leak test and discovered that a Cs-137 vial reference standard (model RV-137-200U, S/N 1710-68-8) was leaking. The licensee used a Capintec CRC 55tW well counter to determine if the sour…
Easton, PA, 11/21/2025
"On November 21, 2025, the licensee was performing a routine sealed source leak test and discovered that a Cs-137 vial reference standard (model RV-137-200U, S/N 1710-68-8) was leaking. The licensee used a Capintec CRC 55tW well counter to determine if the sour…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
December 2, 2025 at 2:11 PM
LEAKING SOURCE
Easton, PA, 11/21/2025
"On November 21, 2025, the licensee was performing a routine sealed source leak test and discovered that a Cs-137 vial reference standard (model RV-137-200U, S/N 1710-68-8) was leaking. The licensee used a Capintec CRC 55tW well counter to determine if the sour…
Easton, PA, 11/21/2025
"On November 21, 2025, the licensee was performing a routine sealed source leak test and discovered that a Cs-137 vial reference standard (model RV-137-200U, S/N 1710-68-8) was leaking. The licensee used a Capintec CRC 55tW well counter to determine if the sour…
LOST EXIT SIGNS
Linden, NJ, 11/20/2025
"During a site-wide inventory reconciliation, the licensee determined that 26 [of the] licensee's tritium exit signs could not be located. While a comprehensive search was conducted, it was ultimately determined that the signs may have been misplaced or remove…
Linden, NJ, 11/20/2025
"During a site-wide inventory reconciliation, the licensee determined that 26 [of the] licensee's tritium exit signs could not be located. While a comprehensive search was conducted, it was ultimately determined that the signs may have been misplaced or remove…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
December 1, 2025 at 3:11 PM
LOST EXIT SIGNS
Linden, NJ, 11/20/2025
"During a site-wide inventory reconciliation, the licensee determined that 26 [of the] licensee's tritium exit signs could not be located. While a comprehensive search was conducted, it was ultimately determined that the signs may have been misplaced or remove…
Linden, NJ, 11/20/2025
"During a site-wide inventory reconciliation, the licensee determined that 26 [of the] licensee's tritium exit signs could not be located. While a comprehensive search was conducted, it was ultimately determined that the signs may have been misplaced or remove…
LOST BRACHYTHERAPY SEEDS
Troy, MI, 11/19/2025
"On November 19, 2025, Pd-103 seeds were retrieved from secure storage and brought directly to the operating room in accordance with established protocol. Pre-procedure planning; including review of the treatment plan, seed mapping, and completion of th…
Troy, MI, 11/19/2025
"On November 19, 2025, Pd-103 seeds were retrieved from secure storage and brought directly to the operating room in accordance with established protocol. Pre-procedure planning; including review of the treatment plan, seed mapping, and completion of th…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
December 1, 2025 at 2:41 PM
LOST BRACHYTHERAPY SEEDS
Troy, MI, 11/19/2025
"On November 19, 2025, Pd-103 seeds were retrieved from secure storage and brought directly to the operating room in accordance with established protocol. Pre-procedure planning; including review of the treatment plan, seed mapping, and completion of th…
Troy, MI, 11/19/2025
"On November 19, 2025, Pd-103 seeds were retrieved from secure storage and brought directly to the operating room in accordance with established protocol. Pre-procedure planning; including review of the treatment plan, seed mapping, and completion of th…
OFFSITE NOTIFICATION
Vernon, VT, 11/22/2025
On 11/22/2025 at approximately 1340 EST, a plant worker sustained a leg injury on site at Vermont Yankee and was transported to a local hospital. The injured worker was verified to not be contaminated. Vermont Yankee notified the Department of Homeland Se…
Vernon, VT, 11/22/2025
On 11/22/2025 at approximately 1340 EST, a plant worker sustained a leg injury on site at Vermont Yankee and was transported to a local hospital. The injured worker was verified to not be contaminated. Vermont Yankee notified the Department of Homeland Se…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
December 1, 2025 at 2:11 PM
OFFSITE NOTIFICATION
Vernon, VT, 11/22/2025
On 11/22/2025 at approximately 1340 EST, a plant worker sustained a leg injury on site at Vermont Yankee and was transported to a local hospital. The injured worker was verified to not be contaminated. Vermont Yankee notified the Department of Homeland Se…
Vernon, VT, 11/22/2025
On 11/22/2025 at approximately 1340 EST, a plant worker sustained a leg injury on site at Vermont Yankee and was transported to a local hospital. The injured worker was verified to not be contaminated. Vermont Yankee notified the Department of Homeland Se…
TECHNICAL SPECIFICATION ABNORMAL OCCURRENCE
Columbia, MO, 11/26/2025
"On November 26, 2025, during a review of past flux trap loadings, it was identified that during the period from July 22, 2024, through August 4, 2024, the University of Missouri Research Reactor (MURR) exceeded the requirements o…
Columbia, MO, 11/26/2025
"On November 26, 2025, during a review of past flux trap loadings, it was identified that during the period from July 22, 2024, through August 4, 2024, the University of Missouri Research Reactor (MURR) exceeded the requirements o…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
November 28, 2025 at 3:41 PM
TECHNICAL SPECIFICATION ABNORMAL OCCURRENCE
Columbia, MO, 11/26/2025
"On November 26, 2025, during a review of past flux trap loadings, it was identified that during the period from July 22, 2024, through August 4, 2024, the University of Missouri Research Reactor (MURR) exceeded the requirements o…
Columbia, MO, 11/26/2025
"On November 26, 2025, during a review of past flux trap loadings, it was identified that during the period from July 22, 2024, through August 4, 2024, the University of Missouri Research Reactor (MURR) exceeded the requirements o…
SHIPMENT EXCEEDS SURFACE CONTAMINATION LIMITS
River Bend (LA), 11/21/2025
"On November 21, 2025, at 0835 CST, River Bend Station (RBS) was operating at 78 percent reactor power when the [radioactive waste] shipping department received a cask from the Waste Control Specialists disposal facility in A…
River Bend (LA), 11/21/2025
"On November 21, 2025, at 0835 CST, River Bend Station (RBS) was operating at 78 percent reactor power when the [radioactive waste] shipping department received a cask from the Waste Control Specialists disposal facility in A…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
November 28, 2025 at 3:11 PM
SHIPMENT EXCEEDS SURFACE CONTAMINATION LIMITS
River Bend (LA), 11/21/2025
"On November 21, 2025, at 0835 CST, River Bend Station (RBS) was operating at 78 percent reactor power when the [radioactive waste] shipping department received a cask from the Waste Control Specialists disposal facility in A…
River Bend (LA), 11/21/2025
"On November 21, 2025, at 0835 CST, River Bend Station (RBS) was operating at 78 percent reactor power when the [radioactive waste] shipping department received a cask from the Waste Control Specialists disposal facility in A…
MEDICAL EVENT
Sacramento, CA, 10/30/2025
"On 10/30/25, the licensee was treating a patient with Y-90 microspheres to a liver lobe in 3 dosages. The first two dosages were successfully administered, but the third dosage did not deliver successfully, with essentially none of the dosage reaching the t…
Sacramento, CA, 10/30/2025
"On 10/30/25, the licensee was treating a patient with Y-90 microspheres to a liver lobe in 3 dosages. The first two dosages were successfully administered, but the third dosage did not deliver successfully, with essentially none of the dosage reaching the t…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
November 28, 2025 at 2:41 PM
MEDICAL EVENT
Sacramento, CA, 10/30/2025
"On 10/30/25, the licensee was treating a patient with Y-90 microspheres to a liver lobe in 3 dosages. The first two dosages were successfully administered, but the third dosage did not deliver successfully, with essentially none of the dosage reaching the t…
Sacramento, CA, 10/30/2025
"On 10/30/25, the licensee was treating a patient with Y-90 microspheres to a liver lobe in 3 dosages. The first two dosages were successfully administered, but the third dosage did not deliver successfully, with essentially none of the dosage reaching the t…
MEDICAL EVENT
Lebanon, PA, 11/17/2025
"A medical event occurred on November 17, 2025, at the Veterans Administration Medical Center in Lebanon, Pennsylvania. A patient was to be administered Lu-177 (Lutathera) by intravenous infusion for a neuroendocrine tumor. The written directive prescribed a do…
Lebanon, PA, 11/17/2025
"A medical event occurred on November 17, 2025, at the Veterans Administration Medical Center in Lebanon, Pennsylvania. A patient was to be administered Lu-177 (Lutathera) by intravenous infusion for a neuroendocrine tumor. The written directive prescribed a do…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
November 28, 2025 at 2:11 PM
MEDICAL EVENT
Lebanon, PA, 11/17/2025
"A medical event occurred on November 17, 2025, at the Veterans Administration Medical Center in Lebanon, Pennsylvania. A patient was to be administered Lu-177 (Lutathera) by intravenous infusion for a neuroendocrine tumor. The written directive prescribed a do…
Lebanon, PA, 11/17/2025
"A medical event occurred on November 17, 2025, at the Veterans Administration Medical Center in Lebanon, Pennsylvania. A patient was to be administered Lu-177 (Lutathera) by intravenous infusion for a neuroendocrine tumor. The written directive prescribed a do…
EN Revision Imported Date: 11/26/2025
Chanhassen, MN, 11/25/2025
Rosemount Nuclear Instruments, Inc. reported that certain Rosemount model 3154 pressure transmitters have exhibited a higher field return rate as a result of electronics assembly failure caused by an open circuit condition in certain …
Chanhassen, MN, 11/25/2025
Rosemount Nuclear Instruments, Inc. reported that certain Rosemount model 3154 pressure transmitters have exhibited a higher field return rate as a result of electronics assembly failure caused by an open circuit condition in certain …
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
November 26, 2025 at 3:11 PM
EN Revision Imported Date: 11/26/2025
Chanhassen, MN, 11/25/2025
Rosemount Nuclear Instruments, Inc. reported that certain Rosemount model 3154 pressure transmitters have exhibited a higher field return rate as a result of electronics assembly failure caused by an open circuit condition in certain …
Chanhassen, MN, 11/25/2025
Rosemount Nuclear Instruments, Inc. reported that certain Rosemount model 3154 pressure transmitters have exhibited a higher field return rate as a result of electronics assembly failure caused by an open circuit condition in certain …
STUCK OPEN SHUTTER
Perdue Hill, AL, 11/17/2025
During routine bi-annual shutter checks, the licensee noted that their device had a malfunctioning shutter. The device's shutter failed in its normal open position. The licensee attempted to address the malfunction by spraying the shutter with lubrican…
Perdue Hill, AL, 11/17/2025
During routine bi-annual shutter checks, the licensee noted that their device had a malfunctioning shutter. The device's shutter failed in its normal open position. The licensee attempted to address the malfunction by spraying the shutter with lubrican…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
November 26, 2025 at 2:41 PM
STUCK OPEN SHUTTER
Perdue Hill, AL, 11/17/2025
During routine bi-annual shutter checks, the licensee noted that their device had a malfunctioning shutter. The device's shutter failed in its normal open position. The licensee attempted to address the malfunction by spraying the shutter with lubrican…
Perdue Hill, AL, 11/17/2025
During routine bi-annual shutter checks, the licensee noted that their device had a malfunctioning shutter. The device's shutter failed in its normal open position. The licensee attempted to address the malfunction by spraying the shutter with lubrican…
MEDICAL EVENT
Seattle, WA, 11/19/2025
At 1651 PST, the Department was notified of the misadministration of a 200 mCi Lu-177 prostate membrane specific antigen dose for a patient on a research protocol. The dose was administered using an infusion pump. The principal investigator (PI) of the study wa…
Seattle, WA, 11/19/2025
At 1651 PST, the Department was notified of the misadministration of a 200 mCi Lu-177 prostate membrane specific antigen dose for a patient on a research protocol. The dose was administered using an infusion pump. The principal investigator (PI) of the study wa…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
November 26, 2025 at 2:11 PM
MEDICAL EVENT
Seattle, WA, 11/19/2025
At 1651 PST, the Department was notified of the misadministration of a 200 mCi Lu-177 prostate membrane specific antigen dose for a patient on a research protocol. The dose was administered using an infusion pump. The principal investigator (PI) of the study wa…
Seattle, WA, 11/19/2025
At 1651 PST, the Department was notified of the misadministration of a 200 mCi Lu-177 prostate membrane specific antigen dose for a patient on a research protocol. The dose was administered using an infusion pump. The principal investigator (PI) of the study wa…
LOST EXIT SIGNS
Allenspark, CO, 11/18/2025
The licensee reported two exit signs, each containing 11.5 Ci of tritium, were lost in Allenspark, Colorado.
Manufacturer: Safety Light Corporation
Model number: 2040
Colorado event number: CO250044
THIS MATERIAL EVENT CONTAINS A 'Less than Cat 3…
Allenspark, CO, 11/18/2025
The licensee reported two exit signs, each containing 11.5 Ci of tritium, were lost in Allenspark, Colorado.
Manufacturer: Safety Light Corporation
Model number: 2040
Colorado event number: CO250044
THIS MATERIAL EVENT CONTAINS A 'Less than Cat 3…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
November 25, 2025 at 3:41 PM
LOST EXIT SIGNS
Allenspark, CO, 11/18/2025
The licensee reported two exit signs, each containing 11.5 Ci of tritium, were lost in Allenspark, Colorado.
Manufacturer: Safety Light Corporation
Model number: 2040
Colorado event number: CO250044
THIS MATERIAL EVENT CONTAINS A 'Less than Cat 3…
Allenspark, CO, 11/18/2025
The licensee reported two exit signs, each containing 11.5 Ci of tritium, were lost in Allenspark, Colorado.
Manufacturer: Safety Light Corporation
Model number: 2040
Colorado event number: CO250044
THIS MATERIAL EVENT CONTAINS A 'Less than Cat 3…
LOST EXIT SIGNS
Longmont, CO, 11/14/2025
The licensee reported three exit signs, each containing 17.51 Ci of tritium, were lost in Longmont, Colorado.
Manufacturer: SRB Technologies
Model number: BXU20GS
Colorado event number: CO250043
THIS MATERIAL EVENT CONTAINS A 'Less than Cat 3' LEVE…
Longmont, CO, 11/14/2025
The licensee reported three exit signs, each containing 17.51 Ci of tritium, were lost in Longmont, Colorado.
Manufacturer: SRB Technologies
Model number: BXU20GS
Colorado event number: CO250043
THIS MATERIAL EVENT CONTAINS A 'Less than Cat 3' LEVE…
Event Notifications
US Nuclear Regulatory Commission
www.nrc.gov
November 25, 2025 at 3:11 PM
LOST EXIT SIGNS
Longmont, CO, 11/14/2025
The licensee reported three exit signs, each containing 17.51 Ci of tritium, were lost in Longmont, Colorado.
Manufacturer: SRB Technologies
Model number: BXU20GS
Colorado event number: CO250043
THIS MATERIAL EVENT CONTAINS A 'Less than Cat 3' LEVE…
Longmont, CO, 11/14/2025
The licensee reported three exit signs, each containing 17.51 Ci of tritium, were lost in Longmont, Colorado.
Manufacturer: SRB Technologies
Model number: BXU20GS
Colorado event number: CO250043
THIS MATERIAL EVENT CONTAINS A 'Less than Cat 3' LEVE…