ENS 57300

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v t e ENS Event
06:00 Jul 26, 2024
Title	Agreement State - Lost Ion Mobility Spectrometry Cell
Event Description	The following information was provided by the Colorado Department of Public Health and Environment via email: On August 16, 2024, the radiation safety officer at Particle Measuring Systems, Inc. notified the Colorado Department of Public Health and Environment via email that an ion mobility spectrometry cell containing a 10 mCi nickel-63 source was discovered to be missing during the licensee's six-month inventory. The inventory was conducted on July 26, 2024, but the actual date of loss is unknown. The licensee believes that a transactional error occurred in their inventory as opposed to an actual loss, but does not have data to prove that a source was not lost. Colorado event report ID number: CO 240021 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 57300 +/-
Where
Particle Measuring Systems, Inc. Boulder, Colorado (NRC Region 4)
License number:	CO 1073-01
Organization:	Colorado Dept Of Health
Reporting

Agreement State
Time - Person (Reporting Time:+942.07 h39.253 days <br />5.608 weeks <br />1.29 months <br />)
Opened:	Maggie Schnettler 12:04 Sep 3, 2024
NRC Officer:	Robert A. Thompson
Last Updated:	Sep 3, 2024
57300 - NRC Website
v • d • e

v t e Emergency Notification System
Particle Measuring Systems, Inc. with Agreement State
WEEKMONTHYEAR2024-07-26T06:00:00 [Table view]
[ENS list for Particle Measuring Systems, Inc.]

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ENS Notification