ENS 55738

v t e ENS Event
23:38 Feb 11, 2022
Title	Stuck Shutter
Event Description	The following information was received from the Arkansas Department of Health, Radiation Control: On February 11, 2022, Clearwater Paper Corporation notified ADH Radiation Control that a gauge had a stuck shutter. During routine leak tests on February 10, 2022, the licensee noted that the shutter would not close. The gauge is identified as a Berthold Model LB 300 L source holder containing 1.54 milliCuries of Cobalt-60. The gauge remains in the normal use location with signage. The licensee has contacted the vendor who stated that this model is no longer available. The licensee intends to research an applicable replacement. In accordance with RH-1502.f.2 (10 CFR 30.50(b)(2)), the malfunctioning shutter is reportable within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. The State of Arkansas is awaiting a written report from the licensee and final disposition information for the gauge." Arkansas Event Number: AR-2022-02

ENS 55738 +/-
Where
Clearwater Paper Corporation Arkansas (NRC Region 4)
License number:	ARK-0530
Organization:	Arkansas Department Of Health
Reporting

Agreement State
Time - Person (Reporting Time:+-7.35 h-0.306 days <br />-0.0437 weeks <br />-0.0101 months <br />)
Opened:	Christy Steward 16:17 Feb 11, 2022
NRC Officer:	Thomas Herrity
Last Updated:	Feb 11, 2022
55738 - NRC Website
v • d • e

v t e Emergency Notification System
Clearwater Paper Corporation with Agreement State
WEEKMONTHYEAR2022-02-11T23:38:00 [Table view]
[ENS list for Clearwater Paper Corporation]

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