ML071150504

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OI 4-2006-025 & 4-2006-035, Union Electric Company (Callaway Nuclear Plant), 04/25/07, Closure of Investigations
ML071150504
Person / Time
Site: Callaway Ameren icon.png
Issue date: 04/25/2007
From: Howell A
NRC/RGN-IV/DRP
To: Naslund C
Union Electric Co
References
4-2006-025, 4-2006-035, FOIA/PA-2009-0127
Download: ML071150504 (2)


Text

April 25, 2007 Mr. Charles D. Naslund, Senior Vice President and Chief Nuclear Officer Union Electric Company P.O. Box 620 Fulton, MO 65251

SUBJECT:

CLOSURE OF INVESTIGATIONS OI 4-2006-025 & OI 4-2006-035

Dear Mr. Naslund:

This refers to two investigations conducted by the NRC Office of Investigations (OI) regarding activities at the Callaway Nuclear Plant. OI initiated the first investigation to determine whether a control room supervisor was willfully inattentive to duty and whether Callaway management willfully failed to take appropriate corrective actions regarding the alleged inattentiveness. OI also initiated the second investigation to determine whether a control room shift supervisor was subjected to discrimination for having raised the concerns related to alleged inattentiveness.

Based on the evidence developed during the investigations, these concerns were not substantiated. The NRC plans no further action related to these issues and considers these investigations closed.

In accordance with 10 CFR 2.390 of the NRC's "Rules of Practice," a copy of this letter will be available electronically for public inspection in the NRC Public Document Room or from the Publicly Available Records (PARS) component of NRC's document system (ADAMS). ADAMS is accessible from the NRC Web site at http://www.nrc.gov/reading-rm/adams.html (the Public Electronic Reading Room).

Sincerely,

/RA/

Arthur T. Howell III, Director Division of Reactor Projects Docket: 50-483 License: NPF-30

C. Naslund bcc: Allegation File SUNSI Review Completed: HAF ADAMS: O Yes No G Initials: HAF O Publicly Available G Non-Publicly Available G Sensitive O Non-Sensitive OFFICE RIV:SAC RC/TL C:OB C:RPBB D:DRP NAME HAFreeman KDFuller ATGody VGGaddy ATHowell

/RA/

/GMV for /RA/

/RA/

/RA/

/RA/

DATE 03/07/2007 03/25/2007 03/28/2007 04/02//2007 04/24/2007 OFFICIAL RECORD COPY