ENS 55472

v t e ENS Event
06:00 Jun 16, 2021
Title	Lost Tritium Exit Sign
Event Description	The following was received from the Colorado Department of Health via email: One exit sign, containing 7.5 Ci of tritium, was reported as lost during annual registration. NMED No.: CO210028 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 55472 +/-
Where
Davis Partnership Architects Pc Denver, Colorado (NRC Region 4)
License number:	GL000674
Organization:	Colorado Dept Of Health
Reporting

Agreement State
Time - Person (Reporting Time:+2239.77 h93.324 days <br />13.332 weeks <br />3.068 months <br />)
Opened:	Kathryn Mote 13:46 Sep 17, 2021
NRC Officer:	Donald Norwood
Last Updated:	Sep 17, 2021
55472 - NRC Website
v • d • e

v t e Emergency Notification System
Davis Partnership Architects Pc with Agreement State
WEEKMONTHYEAR2021-06-16T06:00:00 [Table view]
[ENS list for Davis Partnership Architects Pc]

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