The following information was provided by the State of
Colorado via email:
The Colorado Department of Public Health and Environment received notification on 10-2-12 from Westin Hotel - Westminster, 10600 Westminster Blvd., Westminster, CO 80030. Phillip McDonald, Engineering Manager, reported a contractor removed and disposed of one exit sign during a remodel project when a new front entrance was completed, (no date given on project).
Maker of Sign: Isolite
Model Number: SLX60
Serial Number: 12-02897
Activity (Curies of H-3): 6.2 Curies
Date Manufacture Shipped: 1/31/2012
Date of Loss: No Date Reported for project.
Location of Sign When Lost: Front entrance
Other Details: Per the letter submitted by Phillip McDonald, he states 'I do remember this device being installed, but I was unaware it had radioactive material inside or the responsibility of tracking this device. Our restaurant was remodeled this year and the contractor removed the device and disposed of it'.
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
This source is not amongst those sources or devices identified by the
IAEA Code of Conduct for the Safety & Security of Radioactive Sources to be of concern from a radiological standpoint. Therefore is it being categorized as a less than Category 3 source