The State provided the following information via email:
Event type: Lost, two self-luminous, 20 Ci/ea., H-3, exit signs were discovered missing, presumed discarded.
Event description:
The manufacturer is SRB Technologies (Canada), Inc.
1) Model: BetaLux-E/Luminexit, SN 272697, Activity: 20 Ci;
2) Model: BetaLux-E/Luminexit, SN 270605, Activity: 20 Ci.
One sign was noted as being discarded by the housekeeping staff and a subsequent inventory investigation showed that another sign was missing from an area that was renovated in August of last year."
Texas Incident No.: I- 8325
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.
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