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{{Adams
#REDIRECT [[0CAN061302, Commitment for Implementation of Multi-Source Dose Assessment Capability]]
| number = ML13183A125
| issue date = 06/27/2013
| title = Commitment for Implementation of Multi-Source Dose Assessment Capability
| author name = Browning J G
| author affiliation = Entergy Operations, Inc
| addressee name =
| addressee affiliation = NRC/Document Control Desk, NRC/NRR
| docket = 05000313, 05000368
| license number = DPR-051, NPF-006
| contact person =
| case reference number = 0CAN061302
| document type = Letter
| page count = 4
}}
 
=Text=
{{#Wiki_filter:0CAN061302  
 
June 27, 2013
 
U.S. Nuclear Regulatory Commission
 
ATTN: Document Control Desk
 
11555 Rockville Pike
 
Rockville, MD 20852
 
==SUBJECT:==
Commitment for Implementation of Multi-Source Dose Assessment Capability  
 
Arkansas Nuclear One - Units 1 and 2
 
Docket Nos. 50-313 and 50-368
 
License Nos. DPR-51 and NPF-6
 
==REFERENCE:==
Nuclear Energy Institute (NEI) letter (J. E. Pollock) to NRC, (J. T. Wiggins), Commitment for Implementation of Multi-Unit Dose Assessment Capability , dated March 14, 2013 (ML13073A522)
 
==Dear Sir or Madam:==
 
This letter provides information regarding multi-source dose assessment capability for
 
Arkansas Nuclear One (ANO) in response to the referenced communication from NEI.
 
The Emergency Response Organization at ANO currently uses the Unified RASCAL (Radiological Assessment System for Consequenc e Analysis) Interface (URI) computer program for modeling offsite dose assessment
: s. This computer program is used to estimate the dose consequences in the emergency response sectors using input
 
parameters (source term, meteorological conditions, etc.). In the event of a scenario
 
with concurrent releases from more than one release point, individual isotopic group
 
release rates can be combined into a total for each isotopic group release rate before
 
running dose projections or dose projections can be run for each release pathway and
 
end results combined. Instructions for performing this type of analysis are provided in
 
the ANO dose assessment emergency response procedure.
 
Consistent with the referenced letter, Entergy Operations, Inc. plans to transition to URI
 
Version 2 (URI-2), which provides for an improved capability for multi-source dose
 
consequence analysis. This transition to URI-2 is identified as a regulatory commitment
 
with a completion date of not later than December 31, 2014. Entergy Operations, Inc.
1448 S.R. 333 Russellville, AR  72802
 
Tel  479-858-3110 Jeremy G. Browning Vice President, Operations A rkansas Nuclear One
 
0CAN061302 Page 2 of 2
 
This letter contains a new regulatory commitment which is identified in the attachment. 
 
Please address any comments or questions regarding this matter to Stephenie Pyle at
 
479.858.4704.
 
Sincerely, Original signed by Jeremy G. Browning JGB/nbm
 
==Attachment:==
List of Regulatory Commitments
 
cc: Mr. Arthur T. Howell Regional Administrator
 
U. S. Nuclear Regulatory Commission, Region IV
 
1600 East Lamar Boulevard Arlington, TX 76011-4511
 
U. S. Nuclear Regulatory Commission
 
Attn: Director, Office of Nuclear Reactor Regulation
 
One White Flint North
 
11555 Rockville Pike
 
Rockville, MD 20852
 
NRC Senior Resident Inspector
 
Arkansas Nuclear One
 
P.O. Box 310
 
London, AR 72847
 
U. S. Nuclear Regulatory Commission
 
Attn: Mr. Kaly Kalyanam
 
One White Flint North - Mailstop O-8 B1
 
11555 Rockville Pike
 
Rockville, MD 20852-2378
 
U. S. Nuclear Regulatory Commission ATTN: J. T. Wiggins
 
Director Nuclear Security and Incident Response
 
Two White Flint North - Mailstop 4D22A
 
11555 Rockville Pike
 
Rockville, MD  20852-2378 
 
Attachment to 0CAN061302 List of Regulatory Commitments Attachment to 0CAN061302
 
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 (Check One)
COMMITMENT ONE-TIME ACTION CONTINUING COMPLIANCE SCHEDULED COMPLETION DATE (If Required)
Consistent with the referenced letter, Entergy Operations, Inc. plans to
 
transition to the Unified Radiological
 
Assessment System for Consequence
 
Analysis Interface Version 2 computer
 
program, which provides for an improved
 
capability for multi-source dose
 
consequence analysis. X  December 31, 2014}}

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