0CAN021101, Response to Request for Additional Information on Cyber Security Plan

Response to Request for Additional Information on Cyber Security Plan

ML110470416
Person / Time
Site:	Arkansas Nuclear
Issue date:	02/15/2011
From:	Schwarz C Entergy Operations
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
0CAN021101
Download: ML110470416 (4)

Text

Entergy Operations, Inc.

SEntergy 1448 S.R. 333 Russellville, AR 72802 Tel 479-858-3110 Christopher J. Schwarz Vice President, Operations Arkansas Nuclear One OCAN021 101 February 15, 2011 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555

SUBJECT:

Response to Request for Additional Information (RAI) on the ANO Cyber Security Plan Arkansas Nuclear One - Units 1 and 2 Docket Nos. 50-313 and 50-368 License Nos. DPR-51 and NPF-6

References:

1. Entergy letter to NRC, Revision of Commitment to Supplement the Cyber Security Plan Regarding Balance-of-PlantSystems, dated November 30, 2010 (OCAN111001)

2. Email from NRC to Entergy, Resubmittal of Request for Approval of the ANO Cyber Security Plan RAI, dated December 7, 2010

Dear Sir or Madam:

In accordance with Reference 1, Entergy Operations, Inc. (Entergy) deferred the supplement to the Arkansas Nuclear One (ANO) Cyber Security Plan until after the NRC staff has provided direction on further revision. In accordance with Reference 2, the NRC issued requests for additional information (RAIs) on the ANO Cyber Security Plan with responses due by February 15, 2011. Entergy's responses to the RAIs are provided in Attachment 1.

Changes to Section 4.3, "Defense-In-Depth Protective Strategies," of the ANO Cyber Security Plan will be made in accordance with the RAI responses as described in Attachment 1. In addition to Reference 1 resolution, other common industry issues are being resolved (i.e., cyber security records retention and implementation schedules),

therefore, the ANO Cyber Security Plan containing the changes due to the RAI responses will be submitted concurrently with the common industry issue resolutions.

Entergy requests that Attachment 1 which contains security-related information, be withheld from public disclosure in accordance with 10 CFR 2.390.

This letter contains security-related information - Attachment 1 is withheld from public disclosure per 10CFR2.390 CC) ý4-

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OCAN021 101 Page 2 of 2 This letter contains security-related information - Attachment 1 is withheld from public disclosure per 10CFR2.390 The new commitment contai'ned in this submittal is summarized in Attachment 2. Should you have any questions concerning this letter, or require additional information, please contact me.

I declare under penalty of perjury that the foregoing is true and correct. Executed on February 15, 2011.

Sincerely,

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/Ile CJS/nbm Attachments: 1. Response to Requests for Additional Information

2. List of Regulatory Commitments cc: Mr. Elmo Collins Regional Administrator U. S. Nuclear Regulatory Commission Region IV 612 E. Lamar Blvd., Suite 400 Arlington, TX 76011-4125 NRC Senior Resident Inspector Arkansas Nuclear One P.O. Box 310 London, AR 72847 U. S. Nuclear Regulatory Commission Attn: Mr. Kaly Kalyanam MS 0-8 B1 One White Flint North 11555 Rockville Pike Rockville, MD 20852 This letter contains security-related information - Attachment 1 is withheld from public disclosure per 10 CFR 2.390

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. I to OCAN021 101 Page 1 of 1 List of Regulatory Commitments The following table identifies those actions committed to by Entergy in this document. Any other statements in this submittal are provided for information purposes and are not considered to be regulatory commitments.

TYPE SCHEDULED (Check One) COMPLETION COMMITMENT ONE- DATE TIME CONTINUING (If Required)

ACTION COMPLIANCE Changes to Section 4.3, X "Defense-I n-Depth Protective Strategies,"

of the Arkansas Nuclear One Cyber Security Plan will be made in accordance with the RAI responses as described in .