ENS 56533

v t e ENS Event
05:00 May 23, 2023
Title	Shutter Missing
Event Description	The following information was provided by the Texas Department of State Health Services (the Agency) via phone and email: On May 23, 2023, the Agency was notified by the licensee's radiation safety officer (RSO) that while conducting routine shutter checks, the shutter for a Thermo Fisher model 5190 gauge was missing. The shutter is a block of lead that slides across the radiation beam. The RSO stated they believe the lead block (shutter) must have vibrated off the slide. The gauge has been removed and placed in storage and will be disposed of. The gauge contains a 200 millicurie (original activity) [Cs-137] source. No individual received an exposure that exceeded any limit. Additional information will be provided as it is received in accordance with SA-300. Texas Incident No.: 10022 Texas NMED No.: TX230025

ENS 56533 +/-
Where
Nextier Completion Solutions, Inc Pleasanton, Texas (NRC Region 4)
License number:	L 06712
Organization:	Texas Dept Of State Health Services
Reporting

Agreement State
Time - Person (Reporting Time:+10 h0.417 days <br />0.0595 weeks <br />0.0137 months <br />)
Opened:	Art Tucker 15:00 May 23, 2023
NRC Officer:	Ian Howard
Last Updated:	May 23, 2023
56533 - NRC Website
v • d • e

v t e Emergency Notification System
Nextier Completion Solutions, Inc with Agreement State
WEEKMONTHYEAR2023-05-23T05:00:00 [Table view]
[ENS list for Nextier Completion Solutions, Inc]

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