The following report was received from the
Colorado Department of Public Health and Environment via email:
An audit of the radioactive materials general license files was conducted on the site at 800 W 84th Avenue. Inventory report showed Carquest - Denver had 6 Tritium exit signs registered in 2014. The report received from Carquest in December of 2015 showed a transfer of 5 Tritium exit signs being shipped to TritiumDisposal.com. An inquiry was made with the corporate office to obtain clarification as to lost exit sign. The property was further inspected to try and locate the missing sign however it was not discovered.
The corporate office [Advanced Auto Parts] contacted the location to obtain further clarification regarding the report of shipping the exit signs to TritiumDisposal.Com. The notification of lost exit sign was mailed to the corporate office Advanced Auto Parts to obtain a corrective action.
Model: SLX TURW10
Source Serial: #175174
Isotope: H-3, Activity
Activity: 7300 mCi
Event Report ID No.: CO16-I16-06
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