The following was received from the State of
Colorado via email:
Event Report ID No.: CO16-I16-08
Detail: The facility hired a contractor to remodel space within the hospital. During the construction pedestrian traffic was routed around the area. According to the facility environmental health safety office the Tritium exit signs were only in use during the project.
Event Description: It is unknown due to the extensive passage of time and the departure of employees who were involved with the project. No further information is available related to the use or the disposition of the 6 Tritium exit signs, Model # SLXTUIGW10, Serial # 162229 to 162234, H-3, 7.3 CI.
THIS MATERIAL EVENT CONTAINS A "CATEGORY 3" LEVEL OF RADIOACTIVE MATERIAL
Category 3 sources, if not safely managed or securely protected, could cause permanent injury to a person who handled them, or were otherwise in contact with them, for some hours. It could possibly - although it is unlikely - be fatal to be close to this amount of unshielded radioactive material for a period of days to weeks. These sources are typically used in practices such as fixed industrial
gauges involving high activity sources (for example: level
gauges, dredger
gauges, conveyor
gauges and spinning pipe
gauges) and well logging. For additional information go to
http://www-pub.iaea.org/MTCD/publications/PDF/Pub1227_web.pdf