ENS 53581

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v t e ENS Event
04:00 Aug 2, 2018
Title	Agreement State Report - Removable Contamination on a Sealed Source
Event Description	The following information was obtained from the State of New York via fax: Columbia University notified the New York State Department of Health (NYSDOH) on August 7, 2018 [regarding an August 2, 2018 event] of the detection of 592 Becquerel (0.016 microCurie) of removable radioactive material on a 10 milliCurie Ni-63 sealed source contained in a Shimadzu GC-8A II gas chromatography mass spectroscopy unit. The manufacturer and model number of the source were not available. The licensee immediately suspended the operation of the unit and placed the unit in storage. The source will be disposed of as radioactive waste and the equipment will be decontaminated prior to proper disposal by an authorized waste broker. New York Report Number NYDOH-18-02 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

ENS 53581 +/-
Where
Columbia University Palisades, New York (NRC Region 1)
License number:	537-2
Organization:	New York State Dept. Of Health
Reporting

Agreement State
Time - Person (Reporting Time:+826.65 h34.444 days <br />4.921 weeks <br />1.132 months <br />)
Opened:	Daniel Samson 14:39 Sep 5, 2018
NRC Officer:	Ryan Alexander
Last Updated:	Sep 5, 2018
53581 - NRC Website
v • d • e

v t e Emergency Notification System
Columbia University with Agreement State
WEEKMONTHYEAR2018-08-02T04:00:00 [Table view]
[ENS list for Columbia University]

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ENS Notification