ENS 49936

v t e ENS Event
04:00 Feb 13, 2014
Title	Agreement State Report - Collimator Block Broken Off of the Shutter Assembly
Event Description	The following was received from the State of Pennsylvania via email: Notifications: The [Pennsylvania Bureau of Radiation Protection] Department's Central Office was informed of this event on March 19, 2014. This event is reportable within 24-hours per 10 CFR 30.50(b)(2). Event Description: During a routine monthly inspection of the gauge, [the licensee] discovered that the collimator block had broken off of the shutter assembly. The collimator block was found lying in the quarter inch steel box that the gauge is housed in to protect it from the operating conditions on the battery. The cause of this event is still being investigated. Radiation surveys performed indicated no employees were exposed as a result of this event. Manufacturer: Thermo Measure Tech Model: 5204 Serial Number: B392 Isotope: Cs-137 Activity: 4 Ci CAUSE OF THE EVENT: Unknown at this time. ACTIONS: The broken shutter mechanism was removed and replaced by a licensed service provider. The shutter mechanism was tested and confirmed as operating properly. The [State of PA] Department plans a reactive inspection. Media attention: None at this time. PA Event Report ID No: PA140009

ENS 49936 +/-
Where
Us Steel Corporation Clairton, Pennsylvania (NRC Region 1)
License number:	PA-1280
Organization:	Pa Bureau Of Radiation Protection
Reporting

Agreement State
Time - Person (Reporting Time:+849.58 h35.399 days <br />5.057 weeks <br />1.164 months <br />)
Opened:	Joseph Melnic 12:35 Mar 20, 2014
NRC Officer:	John Shoemaker
Last Updated:	Mar 20, 2014
49936 - NRC Website
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v t e Emergency Notification System
Us Steel Corporation with Agreement State
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