The following is a summary of the information provided by the
Colorado Department of Health (the Department) via email:
On October 5, 2023, after months of correspondence between the Department and the Williams Corporation - Parachute Creek Gas Plant and several walkdowns of the facility, eight exit signs were reported as lost. The signs were manufactured by Isolite Corporation, model number SLX60 (8.1 Ci of H-3 each).
Event Report ID No.: CO230038
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