Event Notification Report for November 16, 2023

AGREEMENT STATE REPORT - LOST EXIT SIGN

The following information was obtained and summarized from the Colorado Department of Public Health and Environment in accordance with Headquarters Operations Officers Report Guidance:

On November 8, 2023, Five Rivers Cattle Feeding (Lamar) reported to the Colorado Department of Public Health and Environment one lost exit sign (Manufacturer: Isolite Corporation; Model #: SLX60; Isotope & activity: H-3, 6.2 Ci).

Event Report ID No.: CO230041

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 REPORT - LOST RADIOACTIVE MATERIAL

The following information was provided by the Texas Department of State Health Services (the Department) via phone and email:

"On November 9, 2023, the Department was notified by the licensee that a shipment of 960 millicuries of iridium - 192 Zero Wash had not arrived at its Alice, Texas, location. The licensee stated the shipment was scheduled to arrive in Alice, Texas on October 31, 2023. The licensee stated that the carrier used often misses the arrival date by as much as a week, so they did not start looking for the shipment until November 7, 2023. The licensee contacted the shipping company and the last know location of the shipment is Abilene, Texas. The shipper is searching that location for the material. The licensee stated the material was shipped inside a 55 gallon drum. It is currently believed that it is not likely that any individual would exceed any exposure limits. Additional information will be provided as it is received in accordance with SA-300."

Texas Incident Number 10065

Texas NMED Number: TX230051

* * * UPDATE ON 11/9/23 AT 1529 EST FROM ART TUCKER TO KERBY SCALES * * *

The following update was provided by the Texas Department of State Health Services via email:

"On November 9, 2023, the licensee reported they had located the missing shipment of 960 millicuries of iridium - 192 Zero Wash. The licensee had placed two orders for the materials for two separate locations and the shipping company had inadvertently delivered both shipments to the same location."

Notified R4DO (Warnick), and NMSS Event Notifications, ILTAB, and CSNS Mexico via email.

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

MANUAL REACTOR TRIP

The following information was provided by the licensee via phone and email:

"At 1041 CST on 11/14/23 with Farley Unit 2 in Mode 1 at 10 percent power, the reactor was manually tripped due to rising steam generator levels. The trip was not complex, with all systems responding normally post-trip.

"Operations responded and stabilized the plant. Auxiliary feedwater (AFW) was manually initiated in accordance with plant procedures and is feeding the steam generators. Heat removal is being provided via the atmospheric relief valves. Unit 1 is not affected.

"Due to the reactor protection system actuation while critical, this event is being reported as a four-hour, non-emergency notification per 10 CFR 50.72(b)(2)(iv)(B). This event is also being reported as an eight-hour, non-emergency notification per 10 CFR 50.72(b)(3)(iv)(A) as an event that results in a valid actuation of the auxiliary feedwater system.

"There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified."


The following additional information was obtained from the licensee in accordance with Headquarters Operations Officers Report Guidance:

All rods fully inserted. The licensee attempted to take manual control of the feedwater control valves to lower steam generator level but, due to reaching a steam generator level that requires a manual trip, the licensee manually tripped the reactor.