ENS 57468

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v t e ENS Event
06:00 Dec 6, 2024
Title	Autoclave Contamination
Event Description	The following report was received by the Texas Department of State Health Services (the Agency): On December 11, 2024, the Agency received an email from the licensee requesting information on reporting a contamination incident that occurred in their biosafety level 3 (BSL-3) laboratory involving 200 microcuries of C-14. The incident occurred on Friday, December 6, 2024, and was discovered on December 7, 2024, when the sample had cooled and access could occur. The licensee's researcher had labeled a sample of the material they were using with the C-14. After the use was concluded, the researcher doused the material with a fluid to kill the bacteria. The sample was placed in a `red bag' for disposal, but [the sample] was inadvertently placed on a tray that was moved to the autoclave. The sample was put through the autoclaving process where the plastic container it was in ruptured due to the heat and pressure. Some material spilled onto the tray, and some material was in the drain of the autoclave. It was not until December 7, 2024, when the material cooled, that any assessment could confirm the presence of radioactive material and any evaluation for contamination could be made. The drain [exposure rate] was four times background, and the tray contained most of the contamination and material. The BSL-3 laboratory and vivarium have been closed until such time as decontamination can be completed. There was no contamination of personnel, no contamination outside of the autoclave, and no contamination in the actual BSL-3 laboratory. Additional information will be provided in accordance with SA-300. Texas Incident Number: I-10150 Texas NMED Number: TX240048

ENS 57468 +/-
Where
University Of Texas At El Paso El Paso, Texas (NRC Region 4)
License number:	L0000159
Organization:	Texas Dept Of State Health Services
Reporting

Agreement State
Time - Person (Reporting Time:+148.75 h6.198 days <br />0.885 weeks <br />0.204 months <br />)
Opened:	Bruce Hammond 10:45 Dec 12, 2024
NRC Officer:	Adam Koziol
Last Updated:	Dec 12, 2024
57468 - NRC Website
v • d • e

v t e Emergency Notification System
University Of Texas At El Paso with Agreement State
WEEKMONTHYEAR2024-12-06T06:00:00 [Table view]
[ENS list for University Of Texas At El Paso]

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