The following is a summary of a telephone notification from the
Nebraska Division of Radioactive Materials (the Department):
The Department was notified by the Church of Jesus Christ Latter Day Saints (church) that they were replacing their Tritium exit signs with LED signs. When the Department compared the inventory lists they identified that two signs were missing from the list. The church is investigating, with the signs identified as missing at this time. The documentation indicates the two missing signs are Isolite brand with serial numbers A391989 and A391995. The original curie content was 11.5 curies of tritium each.
The Department will update this report when they receive more information.
- * * RETRACTION ON 1/13/2021 AT 1652 EST FROM DEB WILSON TO OSSY FONT * * *
The following retraction was received via telephone from the Department:
The two missing tritium exit signs were found.
Notified R4DO (O'Keefe) and NMSS Events Notification and ILTAB via email.
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