ENS 57915

v t e ENS Event
06:00 Aug 1, 2025
Title	Lost Exit Signs
Event Description	The following is a summary of information provided by the Colorado Department of Public Health and Environmental (the Department) via email: The Department received a notification from the licensee that eight (8) exit signs, containing a total of 65.65 Ci of tritium were lost in Denver, Colorado. Manufacturer: SRB Technologies & Isolite Corporation Model Number: BXU10GS (1 sign), BR-10-BK (2 signs), BRU10S (2 signs), BETALUX (3 signs). Activities: Models - BXU10GS & BR-10-BK: 9.21 Ci each Model - BRU10S: 7.76 Ci each Model - BETALUX: 7.5 Ci each Event Report ID No.: CO250026 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

ENS 57915 +/-
Where
Sheraton Denver Downtown Hotel Denver, Colorado (NRC Region 4)
License number:	GL000275
Organization:	Colorado Dept Of Health
Reporting

Agreement State
Time - Person (Reporting Time:+966.7 h40.279 days <br />5.754 weeks <br />1.324 months <br />)
Opened:	Kathryn Kirk 12:42 Sep 10, 2025
NRC Officer:	Josue Ramirez
Last Updated:	Sep 10, 2025
57915 - NRC Website
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v t e Emergency Notification System
Sheraton Denver Downtown Hotel with Agreement State
WEEKMONTHYEAR2025-08-01T06:00:00 [Table view]
[ENS list for Sheraton Denver Downtown Hotel]

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