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Category:CORRESPONDENCE-LETTERS
MONTHYEARML20217F4581999-10-14014 October 1999 Forwards SER Entitled, Nuclear Criticality Safety Scale Copde Validation Rept for Atomic Vapor Laser Isotope Separation (Avlis) Facility, Documenting Technical Basis for NRC Findings Re Adequacy of Submitted Validation Rept ML20205N2971999-04-14014 April 1999 Forwards Summary of 990317 Meeting Between Us Enrichment Corp Re Environ Avlis Facility.Without Encl L-99-003, Provides Response to NRC RAI Re Scale 4.3 Code Validation Rept.Attachment to Ltr Provides Written Response to Latest NRC Rai.Info in Attachment Demonstrates Actions Listed. Correspondence Contains No New Commitments1999-04-12012 April 1999 Provides Response to NRC RAI Re Scale 4.3 Code Validation Rept.Attachment to Ltr Provides Written Response to Latest NRC Rai.Info in Attachment Demonstrates Actions Listed. Correspondence Contains No New Commitments L-98-012, Informs That Reevaluation of Avlis Licensing Schedule Mentioned in ,Has Been Completed.Revised Schedule, Including pre-application Submittals Are Contained in Encl1999-01-0808 January 1999 Informs That Reevaluation of Avlis Licensing Schedule Mentioned in ,Has Been Completed.Revised Schedule, Including pre-application Submittals Are Contained in Encl ML20197G6741998-12-0404 December 1998 Informs That NRC Cannot Endorse Usecs Use of Scale 4.3 Codes & Cross Sections at Present Time.Nrc Suggests That Technical Meeting Be Scheduled to Discuss Stated Issues in Detail ML20155C1561998-10-22022 October 1998 Provides Addl Info Defining Licensee Approach to Criticality Safety to Assist in NRC Understanding of Scope of Application for Validated Methods.Endorsement of Scale 4.3 Codes & Cross Sections Applied to Avlis Matls,Requested L-98-009, Forwards Revised Us Enrichment Corp Avlis Enrichment Plant QA Program Description, Per Request of NRC1998-08-12012 August 1998 Forwards Revised Us Enrichment Corp Avlis Enrichment Plant QA Program Description, Per Request of NRC L-98-007, Requests to Meet W/Nrc at Earliest Convenience to Discuss Methods Being Used to Conduct Isa.Licensee Believes It Prudent to Delay ISA Methods Submittal Pending Discussions at Meeting1998-07-0101 July 1998 Requests to Meet W/Nrc at Earliest Convenience to Discuss Methods Being Used to Conduct Isa.Licensee Believes It Prudent to Delay ISA Methods Submittal Pending Discussions at Meeting NUREG-1520, Recommends That 980504 Avlis Licensing Process License Application Be One Document W/O Part I/Part II Distinction. Staff Recommended Example of Application & Environ Rept Format,Encl1998-06-23023 June 1998 Recommends That 980504 Avlis Licensing Process License Application Be One Document W/O Part I/Part II Distinction. Staff Recommended Example of Application & Environ Rept Format,Encl ML20248M0401998-06-10010 June 1998 Forwards Request for Addl Info Identified in Encl to Ltr Re Avlis Criticality Code Validation Rept.W/O Encl L-98-004, Forwards Proposed Format & Content for License Application Including Regulatory Guidance Used,For NRC Review1998-05-0404 May 1998 Forwards Proposed Format & Content for License Application Including Regulatory Guidance Used,For NRC Review L-98-005, Forwards Copy of Avlis Nuclear Criticality Safety Rept Validation of Scale 4.3,WBS 1.6.1.2, for Review.Licensee Requests That Fees for Rept Be Waived IAW 10CFR170.31, Footnote 5 (C)1998-04-22022 April 1998 Forwards Copy of Avlis Nuclear Criticality Safety Rept Validation of Scale 4.3,WBS 1.6.1.2, for Review.Licensee Requests That Fees for Rept Be Waived IAW 10CFR170.31, Footnote 5 (C) L-98-006, Summarizes Progress on pre-application Activities Since Usec'S & Provides Response to NRC 980327 Request for Avlis Schedule Info1998-04-17017 April 1998 Summarizes Progress on pre-application Activities Since Usec'S & Provides Response to NRC 980327 Request for Avlis Schedule Info L-98-003, Provides Corrected Page Re Avlis Quality Assurance Program Description,Encl w/980303 Ltr1998-03-30030 March 1998 Provides Corrected Page Re Avlis Quality Assurance Program Description,Encl w/980303 Ltr ML20217G0941998-03-27027 March 1998 Requests That Licensee Submit Portions of Application Re Avlis,Which Are Not Site Specific.Nrc Has Recently Increased Allocated Staff Resources During Fy for pre-licensing Efforts on Expected Application by Licensee L-98-002, Provides Corrected Replacement for Avlis QA Program Description Encl w/980223 Ltr.Avlis QA Program Description Encl Herewith Corrects Errors1998-03-0303 March 1998 Provides Corrected Replacement for Avlis QA Program Description Encl w/980223 Ltr.Avlis QA Program Description Encl Herewith Corrects Errors L-98-001, Provides Responses to RAI ,re Avlis QA Program Description of Ltr as Revised by Ltr . Encl 2 Provides Revised QA Program Description1998-02-23023 February 1998 Provides Responses to RAI ,re Avlis QA Program Description of Ltr as Revised by Ltr . Encl 2 Provides Revised QA Program Description L-97-003, Provides Response to 970821 RAI Re Avlis QA Program Description.Revised Us Enrichment Corp Avlis QA Program Description, Encl1997-10-0303 October 1997 Provides Response to 970821 RAI Re Avlis QA Program Description.Revised Us Enrichment Corp Avlis QA Program Description, Encl L-97-002, Discusses Avlis pre-application Activities & Apprises of Latest Info to Assist in Planning1997-08-27027 August 1997 Discusses Avlis pre-application Activities & Apprises of Latest Info to Assist in Planning ML20137Q7481997-03-26026 March 1997 Forwards,For Docket 70-3089, Usec Avlis QA Program Description 1999-04-14
[Table view] Category:OUTGOING CORRESPONDENCE
MONTHYEARML20217F4581999-10-14014 October 1999 Forwards SER Entitled, Nuclear Criticality Safety Scale Copde Validation Rept for Atomic Vapor Laser Isotope Separation (Avlis) Facility, Documenting Technical Basis for NRC Findings Re Adequacy of Submitted Validation Rept ML20205N2971999-04-14014 April 1999 Forwards Summary of 990317 Meeting Between Us Enrichment Corp Re Environ Avlis Facility.Without Encl ML20197G6741998-12-0404 December 1998 Informs That NRC Cannot Endorse Usecs Use of Scale 4.3 Codes & Cross Sections at Present Time.Nrc Suggests That Technical Meeting Be Scheduled to Discuss Stated Issues in Detail NUREG-1520, Recommends That 980504 Avlis Licensing Process License Application Be One Document W/O Part I/Part II Distinction. Staff Recommended Example of Application & Environ Rept Format,Encl1998-06-23023 June 1998 Recommends That 980504 Avlis Licensing Process License Application Be One Document W/O Part I/Part II Distinction. Staff Recommended Example of Application & Environ Rept Format,Encl ML20248M0401998-06-10010 June 1998 Forwards Request for Addl Info Identified in Encl to Ltr Re Avlis Criticality Code Validation Rept.W/O Encl ML20217G0941998-03-27027 March 1998 Requests That Licensee Submit Portions of Application Re Avlis,Which Are Not Site Specific.Nrc Has Recently Increased Allocated Staff Resources During Fy for pre-licensing Efforts on Expected Application by Licensee 1999-04-14
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L
' aut se les JUN 101908 Mr. Robert Woollsy, M: nager AVLIS Nuclear Regulation Policy and Licensing l U.S. Enrichment Corporation ;
2 Remoctpey Center j 6903 Rockledge Drive Bethesda, MD 20817
SUBJECT:
AVLIS Criticality Code Validation Report (TAC No. L32076) i
Dear Mr. Woolley:
This refers to your letter dated April 22,1998, for the Atomic Vapor Laser Isotope Separation (AVLIS) enrichment plant, requesting review of the validation report submitted to support the use of SCALE 4,3 to perform criticality safety analyses for the AVLIS facility.
Our review of your request has identified additional information that is needed. The additional information specified in the enclosure should be provided before July 17,1998.
Please reference the above TAC No. in future correspondence related to this request.
If you have any questions regarding this matter, please contact Kim Hardin at (301) 415-8119 or Drew Persinko at (301) 415-6522.
Sincerely, odginal Sl9d BI Robert C. Pierson, Chief Special Projects Branch Division of Fuel Cycle Safety and Safeguards, NMSS Jocket 70-3089
Enclosure:
As stated DISTRIBUTION: w/ encl. (Control No. 010s) I Docket 70-3089 NRC Flie Center ? PuBLIC NMss r/f FCss r/f sPB r/f BTroskoski, FCoB MWeber, FCLB oDamon, FCLB HFelsner, FCLB CTripp, FCLB G:MVLISCRI.RAI a
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oFC SFV1, E ~ N PB % SP h sPB , sP(f NAME ardin:lj DPersinko ley n R h erson DATE 6/9/98 6/9/98 /h/98 / f /98 b/ /98 C = COVER E = COVER & ENCLOSURE N = NO COPY D OFFICIAL RECORD COPY Ob 9806120283 990610$
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