ENS 48841

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v t e ENS Event
04:00 Mar 21, 2013
Title	Missing Tritium Exit Sign
Event Description	EI DuPont de Nemours and Company Inc.(DuPont) during a routine periodic audit identified that one tritium exit sign was missing from a doorway at their Pencader Site. It is believed that the sign was misplaced during recent remodeling/construction in the area. A thorough search has been conducted by both the demolition vendor and DuPont and the sign is presumed lost. The missing sign was a Betalux E-Series, Model 171, Serial Number C090859 with a manufacture date of 7/2012. There was 21.6 curies of tritium gas in the sign at the date of manufacture. 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 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

ENS 48841 +/-
Where
Ei Dupont De Nemours, Pencader Site Newark, Delaware (NRC Region 1)
Organization:	Ei Dupont De Nemours, Pencader Site
Reporting

10 CFR 20.2201(a)(1)(i)
Time - Person (Reporting Time:+12.42 h0.518 days <br />0.0739 weeks <br />0.017 months <br />)
Opened:	Shirley Stewart 16:25 Mar 21, 2013
NRC Officer:	Pete Snyder
Last Updated:	Mar 21, 2013
48841 - NRC Website
v • d • e

v t e Emergency Notification System
Ei Dupont De Nemours, Pencader Site with 10 CFR 20.2201(a)(1)(i)
WEEKMONTHYEAR2013-03-21T04:00:00 [Table view]
[ENS list for Ei Dupont De Nemours, Pencader Site]

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