NRC Event Notification Reports
@whoopsie.mastodon.tds.xyz.ap.brid.gy
I share the Event Notifications published daily by the US Nuclear Regulatory Commission.
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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 […]
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 […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
December 4, 2025 at 2:12 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 […]
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 […]
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 […]
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 […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
December 3, 2025 at 3:42 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 […]
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 […]
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 […]
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 […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
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 […]
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 […]
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 […]
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 […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
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 […]
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 […]
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 […]
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 […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
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 […]
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 […]
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 […]
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 […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
December 2, 2025 at 2:12 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 […]
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 […]
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 […]
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 […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
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 […]
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 […]
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 […]
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 […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
December 1, 2025 at 2:42 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 […]
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 […]
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 […]
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 […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
December 1, 2025 at 2:13 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 […]
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 […]
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 […]
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 […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
November 28, 2025 at 3:42 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 […]
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 […]
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 […]
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 […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
November 28, 2025 at 3:12 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 […]
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 […]
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 […]
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 […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
November 28, 2025 at 2:42 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 […]
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 […]
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 […]
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 […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
November 28, 2025 at 2:12 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 […]
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 […]
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 […]
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 […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
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 […]
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 […]
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 […]
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 […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
November 26, 2025 at 2:42 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 […]
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 […]
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 […]
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 […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
November 26, 2025 at 2:12 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 […]
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 […]
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' […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
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' LEVEL OF […]
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' LEVEL OF […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
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' LEVEL OF […]
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' LEVEL OF […]
LOST CHROMATOGRAPH
Lincolnwood, IL, 11/18/2025
The licensee reported to the Agency that a generally licensed gas chromatograph could not be located. The device was listed as in use at the licensee's site in Lincolnwood, IL. No record could be found of the device's disposal, and search efforts […]
Lincolnwood, IL, 11/18/2025
The licensee reported to the Agency that a generally licensed gas chromatograph could not be located. The device was listed as in use at the licensee's site in Lincolnwood, IL. No record could be found of the device's disposal, and search efforts […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
November 25, 2025 at 2:41 PM
LOST CHROMATOGRAPH
Lincolnwood, IL, 11/18/2025
The licensee reported to the Agency that a generally licensed gas chromatograph could not be located. The device was listed as in use at the licensee's site in Lincolnwood, IL. No record could be found of the device's disposal, and search efforts […]
Lincolnwood, IL, 11/18/2025
The licensee reported to the Agency that a generally licensed gas chromatograph could not be located. The device was listed as in use at the licensee's site in Lincolnwood, IL. No record could be found of the device's disposal, and search efforts […]
LOST SOURCES
Carol Stream, IL, 11/18/2025
"The Agency was contacted on November 17, 2025, to advise of four missing I-125 brachytherapy seeds with an activity of approximately 0.23 millicuries each. Three seeds remain missing with the most likely disposition being lost in transit from the […]
Carol Stream, IL, 11/18/2025
"The Agency was contacted on November 17, 2025, to advise of four missing I-125 brachytherapy seeds with an activity of approximately 0.23 millicuries each. Three seeds remain missing with the most likely disposition being lost in transit from the […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
November 25, 2025 at 2:11 PM
LOST SOURCES
Carol Stream, IL, 11/18/2025
"The Agency was contacted on November 17, 2025, to advise of four missing I-125 brachytherapy seeds with an activity of approximately 0.23 millicuries each. Three seeds remain missing with the most likely disposition being lost in transit from the […]
Carol Stream, IL, 11/18/2025
"The Agency was contacted on November 17, 2025, to advise of four missing I-125 brachytherapy seeds with an activity of approximately 0.23 millicuries each. Three seeds remain missing with the most likely disposition being lost in transit from the […]
AUTOMATIC REACTOR TRIP
South Texas (TX), 11/21/2025
"At 1208 CST on 11/21/2025, with Unit 2 in Mode 1 at 100 percent power, [the] Unit 2 reactor automatically tripped due to a main transformer lockout. The trip was not complex, with all systems responding normally post-trip. One of three […]
South Texas (TX), 11/21/2025
"At 1208 CST on 11/21/2025, with Unit 2 in Mode 1 at 100 percent power, [the] Unit 2 reactor automatically tripped due to a main transformer lockout. The trip was not complex, with all systems responding normally post-trip. One of three […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
November 24, 2025 at 2:11 PM
AUTOMATIC REACTOR TRIP
South Texas (TX), 11/21/2025
"At 1208 CST on 11/21/2025, with Unit 2 in Mode 1 at 100 percent power, [the] Unit 2 reactor automatically tripped due to a main transformer lockout. The trip was not complex, with all systems responding normally post-trip. One of three […]
South Texas (TX), 11/21/2025
"At 1208 CST on 11/21/2025, with Unit 2 in Mode 1 at 100 percent power, [the] Unit 2 reactor automatically tripped due to a main transformer lockout. The trip was not complex, with all systems responding normally post-trip. One of three […]
MEDICAL EVENT
Santa Monica, CA, 11/12/2025
"The University of California Los Angeles (UCLA) health [center] reported that a patient being treated for liver cancer underwent a Y-90 Sirtex SirSpheres brachytherapy treatment on November 12, 2025. This is a preliminary report of a medical event, per […]
Santa Monica, CA, 11/12/2025
"The University of California Los Angeles (UCLA) health [center] reported that a patient being treated for liver cancer underwent a Y-90 Sirtex SirSpheres brachytherapy treatment on November 12, 2025. This is a preliminary report of a medical event, per […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
November 21, 2025 at 2:42 PM
MEDICAL EVENT
Santa Monica, CA, 11/12/2025
"The University of California Los Angeles (UCLA) health [center] reported that a patient being treated for liver cancer underwent a Y-90 Sirtex SirSpheres brachytherapy treatment on November 12, 2025. This is a preliminary report of a medical event, per […]
Santa Monica, CA, 11/12/2025
"The University of California Los Angeles (UCLA) health [center] reported that a patient being treated for liver cancer underwent a Y-90 Sirtex SirSpheres brachytherapy treatment on November 12, 2025. This is a preliminary report of a medical event, per […]
GAUGE SHUTTER FAILURE
Centertown, KY, 11/12/2025
"The Department was notified on 11/12/2025, by the radiation safety officer (RSO) from Big Rivers Electric Corporation, that during a routine six-month inventory/shutter checks, two sources were identified to have problems with the shutters […]
Centertown, KY, 11/12/2025
"The Department was notified on 11/12/2025, by the radiation safety officer (RSO) from Big Rivers Electric Corporation, that during a routine six-month inventory/shutter checks, two sources were identified to have problems with the shutters […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
November 21, 2025 at 2:12 PM
GAUGE SHUTTER FAILURE
Centertown, KY, 11/12/2025
"The Department was notified on 11/12/2025, by the radiation safety officer (RSO) from Big Rivers Electric Corporation, that during a routine six-month inventory/shutter checks, two sources were identified to have problems with the shutters […]
Centertown, KY, 11/12/2025
"The Department was notified on 11/12/2025, by the radiation safety officer (RSO) from Big Rivers Electric Corporation, that during a routine six-month inventory/shutter checks, two sources were identified to have problems with the shutters […]
LOSS OF REACTOR ENCLOSURE RECIRCULATION
Limerick (PA), 11/19/2025
On November 18, 2025, at 0328 CST, as the licensee was initiating the standby gas treatment system in support of planned maintenance on normal reactor building ventilation, the '2A' reactor enclosure recirculation system (RERS) […]
Limerick (PA), 11/19/2025
On November 18, 2025, at 0328 CST, as the licensee was initiating the standby gas treatment system in support of planned maintenance on normal reactor building ventilation, the '2A' reactor enclosure recirculation system (RERS) […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
November 20, 2025 at 2:12 PM
LOSS OF REACTOR ENCLOSURE RECIRCULATION
Limerick (PA), 11/19/2025
On November 18, 2025, at 0328 CST, as the licensee was initiating the standby gas treatment system in support of planned maintenance on normal reactor building ventilation, the '2A' reactor enclosure recirculation system (RERS) […]
Limerick (PA), 11/19/2025
On November 18, 2025, at 0328 CST, as the licensee was initiating the standby gas treatment system in support of planned maintenance on normal reactor building ventilation, the '2A' reactor enclosure recirculation system (RERS) […]
FITNESS FOR DUTY VIOLATION
Palisades (MI), 11/18/2025
"On November 18, 2025, [non-licensed] supervisor violated the station's fitness for duty (FFD) policy. The employee's unescorted access to Palisades Nuclear Plant has been terminated. The event was determined to be reportable under 10CFR26 […]
Palisades (MI), 11/18/2025
"On November 18, 2025, [non-licensed] supervisor violated the station's fitness for duty (FFD) policy. The employee's unescorted access to Palisades Nuclear Plant has been terminated. The event was determined to be reportable under 10CFR26 […]
Original post on mastodon.tds.xyz
mastodon.tds.xyz
November 19, 2025 at 2:41 PM
FITNESS FOR DUTY VIOLATION
Palisades (MI), 11/18/2025
"On November 18, 2025, [non-licensed] supervisor violated the station's fitness for duty (FFD) policy. The employee's unescorted access to Palisades Nuclear Plant has been terminated. The event was determined to be reportable under 10CFR26 […]
Palisades (MI), 11/18/2025
"On November 18, 2025, [non-licensed] supervisor violated the station's fitness for duty (FFD) policy. The employee's unescorted access to Palisades Nuclear Plant has been terminated. The event was determined to be reportable under 10CFR26 […]