Event Notification Report for May 15, 2019
U.S. Nuclear Regulatory Commission Event Reports For ** EVENT NUMBERS ** |
| 54051 | 54053 | 54064 |
| Non-Agreement State | Event Number: 54051 |
| Rep Org: UNIVERSITY OF MICHIGAN Licensee: UNIVERSITY OF MICHIGAN Region: 3 City: ANN ARBOR State: MI County: License #: 21-00215-04 Agreement: N Docket: NRC Notified By: MARK DRISCOLL HQ OPS Officer: JEFFREY WHITED | Notification Date: 05/06/2019 Notification Time: 14:00 [ET] Event Date: 11/30/2018 Event Time: 00:00 [EDT] Last Update Date: 05/06/2019 |
| Emergency Class: NON EMERGENCY 10 CFR Section: 20.2201(a)(1)(ii) - LOST/STOLEN LNM>10X | Person (Organization): KENNETH RIEMER (R3DO) NMSS_EVENTS_NOTIFICATION (EMAIL) ILTAB (EMAIL) - CNSC (CANADA) (EMAIL) |
| This material event contains a "Less than Cat 3" level of radioactive material. |
Event Text
| LOST TRITIUM EXIT SIGNS The following is a summary of a phone call with the licensee: After performing an inventory of Tritium exit signs in April of this year, a Senior Health Physicist inquired about the location of two specific missing signs. The Senior Health Physicist found that the building had been under renovation in 2018 and a contractor likely removed the two exit signs in November, 2018. The licensee is currently waiting on information from the contractor regarding the exit signs. The licensee will be notifying NRC Region III. 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 |
| Agreement State | Event Number: 54053 |
| Rep Org: UTAH DIVISION OF RADIATION CONTROL Licensee: ALS LABORATORY GROUP ENVIRONMENTAL DIVISION Region: 4 City: SALT LAKE CITY State: UT County: License #: UT 1800237 Agreement: Y Docket: NRC Notified By: PHILIP GRIFFIN HQ OPS Officer: JOANNA BRIDGE | Notification Date: 05/07/2019 Notification Time: 13:57 [ET] Event Date: 04/26/2019 Event Time: 15:00 [MDT] Last Update Date: 05/07/2019 |
| Emergency Class: NON EMERGENCY 10 CFR Section: AGREEMENT STATE | Person (Organization): RYAN ALEXANDER (R4DO) NMSS_EVENTS_NOTIFICATION (EMAIL) ILTAB (EMAIL) |
| This material event contains a "Less than Cat 3" level of radioactive material. |
Event Text
| AGREEMENT STATE REPORT - LOST CALIBRATION SOURCES The following was received via e-mail: "During a routine [Utah Division of Radiation Control] inspection on April 26, 2019, the licensee discovered that two planchet sources containing radioactive materials were missing from its secured laboratory. The sources were used to calibrate a wipe counting system that the licensee rarely used. One source contained 9.9 nanoCuries of strontium-90 (Sr-90) and the other source contained 17.81 nanoCuries of plutonium-239 (Pu-239). The activity of the Sr-90 source was well below the exempt quantity threshold. The inspector gave the licensee until May 3, 2019, to search for the sources and to let the inspector know the results of the search. On May 2, 2019, the licensee informed the Division that, after an exhaustive search, the licensee had failed to locate the sources. Following a review of the applicable rules by Division staff on May 6, 2019, the inspector verified with the licensee that the sources were still missing and informed the licensee of the incident notification requirements and the anticipated enforcement activities to be taken by the Division." Event Report No.: UT190001 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 |
| Power Reactor | Event Number: 54064 |
| Facility: COMANCHE PEAK Region: 4 State: TX Unit: [] [2] [] RX Type: [1] W-4-LP,[2] W-4-LP NRC Notified By: ROBERT DANIELS HQ OPS Officer: JEFF HERRERA | Notification Date: 05/15/2019 Notification Time: 02:21 [ET] Event Date: 05/14/2019 Event Time: 21:51 [CDT] Last Update Date: 05/15/2019 |
| Emergency Class: NON EMERGENCY 10 CFR Section: 50.72(b)(3)(iv)(A) - VALID SPECIF SYS ACTUATION | Person (Organization): DAVID PROULX (R4DO) |
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode | |||||||
| 2 | N | Y | 100 | Power Operation | 92 | Power Operation |
Event Text
| VOLTAGE TRANSIENT DUE TO LOSS OF OFFSITE SWITCHYARD "At 2151 CDT, on 14 May 2019, Comanche Peak Nuclear Power Plant (CPNPP) experienced a voltage transient within the onsite 138kV switchyard due to the loss of one of the offsite switchyards supplying power to the CPNPP 138kV switchyard. The reduction in safeguards bus voltage due to the transient caused the Unit 2 safeguard busses to load shed and perform a slow transfer to power supplied from 345kV transformer XST2A. Unit 2 was subjected to actuation of both blackout sequencers causing an automatic start of both motor driven Auxiliary Feedwater (AFW) pumps as well as the turbine-driven AFW pump. "No emergency diesel generators started by design. All AFW pumps have been returned to standby status. All other safety systems functioned as designed. Unit 1 is currently defueled, and was unaffected by this event. "The licensee has notified the NRC resident inspector." |
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Page Last Reviewed/Updated Wednesday, March 24, 2021