Letter Sequence Other |
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MONTHYEARML20135F6771997-03-11011 March 1997
Requests Technical Assistance in Review of Certificate Amend Request for Hypothetical Criticality Accident Scenario Dose at Portsmouth Gaseous Diffusion Plant
Project stage: Approval
ML20137R4041997-04-10010 April 1997
Ack Receipt of 970225 Application to Amend Coc GDP-1, Modifying Bounding Calculated Dose for Hypothetical Criticality Case in Bldg X-333.Initial Administrative Review Has Been Completed
Project stage: Other
ML20248J5371997-07-0808 July 1997
Requests Addl Info Re 970225 Application for Amend to Coc for Portsmouth Gaseous Diffusion Plant.Responses Requested to Listed Comments within 30 Days of Ltr
Project stage: Other
ML20217J9471997-08-0707 August 1997
Provides Response to NRC RAI Re Certificate Amend Request Dealing W/Addl Hypothetical Criticality Case for X-333
Project stage: Response to RAI
ML20198G0111997-12-22022 December 1997
Forwards Notice of Amend Re Addl Hypothetical Criticality Scenario Dose for Bldg X-333 to Ofc of Fr for Publication
Project stage: Other
ML20216D7791998-04-0909 April 1998
Forwards Compliance Evaluation Rept Prepared to Support Amend of Coc GDP-2 & Notice of Amend Forwarded to Fr for Publication
Project stage: Other
ML20247N0931998-05-20020 May 1998
Forwards Amend 11 to Coc GDP-2 IAW 970225 Application.Amend Revises SAR Section 4.1.1.2.3.5 to Provide for Addl Identified Criticality Accident Case for X-333 Cascade Building.W/O Encl
Project stage: Other
1997-07-08
[Table View] |
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Category:CORRESPONDENCE-LETTERS
MONTHYEARML20217N5861999-10-22022 October 1999
Ack Receipt of Informing NRC of Steps Taken to Correct Violations Noted in Insp Rept 70-7002/99-09 Issued on 990827
ML20217H6911999-10-19019 October 1999
Ack Receipt of 990928 Application to Revise Technical Safety Requirements 2.2.3.15 & 2.7.3.14.Initial Administrative Review Finds Application Acceptable.Completion of Review Is Anticipated by 991215
ML20217M2961999-10-15015 October 1999
Provides Addl Changes to Updated SAR Certificate Amend Request,Including Changes Made IAW Item 5 of Plan of Action Schedule for Compliance Plan Issue 2 & Changes That Resulted from Reevaluation of Autoclave head-to-shell O-ring
ML20217N9141999-10-15015 October 1999
Forwards Rev 6 of NCS Cap,Providing Addl Details within Subtask 3.3,addl Ncsa/E Reviews & Establishes New Milestone to Conduct Addl Reviews IAW Procedure XP2=EG-NS1037, Review of Non-Priority 1 & 2
ML20217G1731999-10-14014 October 1999
Requests Addl Info Re Applications Dtd 990924,requesting Amends to Cocs for Paducah & Portsmouth GDPs for Revised QA Programs.Encl Identifies Specific Info Needed.Info Should Be Provided within 30 Days
ML20217G4671999-10-14014 October 1999
Forwards Proprietary Insp Rept 70-7002/99-207 on 990920-23. No Violations Noted.Under Provisions of Section 2.790(d), Repts Containing Info Related to Licensee MC&A Program, Exempt from Public Disclosure
ML20217F5481999-10-0808 October 1999
Discusses Insp Rept 70-7002/99-12 on 990810-0920 at Ports- Mouth Gaseous Diffusion Plant.No Cited Violations of NRC Requirements Were Identified During Insp
ML20217B6121999-10-0606 October 1999
Forwards Copy of Security Incident Log for Month of Sept 1999
ML20217A4781999-10-0404 October 1999
Forwards Revised Event Rept 99-17,for Event Resulting from Determination That Sprinkler Sys Not Capable of Meeting Operability Requirements.Caused by Mineral Deposits.Provided Following Completion of Root Cause Evaluation
ML20212H5991999-09-27027 September 1999
Responds to Violations Noted in Insp Rept 70-7002/99-09. Corrective Actions:Engineering Evaluated Site Rail Track Insp Process for Improvement
ML20216J7891999-09-27027 September 1999
Provides Required 30-day Event Rept 99-19 for Event That Resulted from Failure of Cascade Automatic Data Processing Data Processing Smoke Detection Sys at Portsmouth Gaseous Diffusion Plant.Encl 2 Is List of Commitments Made in Rept
ML20212H1251999-09-24024 September 1999
Notifies NRC of Change in Regulatory Commitments Associated with Submittal Date for Update of Application SAR Chapter 3.Specifics of Commitment Changes of Listed
ML20212H3801999-09-24024 September 1999
Responds to 990723 RAI Re 1999 Annual Update to Certification Applications
ML20212G0551999-09-23023 September 1999
Provides Revised 30-day Event Rept 99-06 for Emergency Condition That Was Declared Alert at Portsmouth Gaseous Diffusion Plant
ML20212G9401999-09-23023 September 1999
Responds to 990806 Reply to NOV in Ltr with Insp Rept 70-7002/99-04.Revised Reply Reviewed & Responses to Violations 1.B & 1.C Do Not Fully Address Needs as Clarified in 990715 Telcon.Resubmit Response within 30 Days of Ltr
ML20212H3721999-09-22022 September 1999
Forwards NRC Form 790 Classification Record Documents for Paducah & Portsmouth GDPs That Were Generated During Month of Aug 1999.Without Encl
ML20217J1211999-09-20020 September 1999
Submits Listed Comments on NRC Proposed Rule, Reporting Requirements for Nuclear Power Reactors
ML20216E6911999-09-13013 September 1999
Forwards 30-day Written Rept Er 99-18,re Actuation of Cascade ADP Smokehead in X-333 Bldg Low Assay Withdrawal Station.Caused by UF6 Release from Law A/B Compressor Shaft Seal Area.Planned C/As Will Be Provided in Revised Rept
ML20211Q7761999-09-10010 September 1999
Forwards Insp Rept 70-7002/99-205 on 990816-20.No Violations Noted.Insp Consisted of Selective Exams of Computer Systems, Representative Records & Interviews with Personnel
ML20211P2091999-09-0909 September 1999
Provides Staff Written Clarification of NRC Reporting Expectations of When Double Contingency Losses Should Be Reported to NRC IAW Bulletin 91-001, Reporting Loss of Criticality Safety Controls, & Suppl
ML20211Q7171999-09-0808 September 1999
Forwards Required 30-day Written Event Rept 99-14,rev 1,re 990628 Event Involving Actuation of Brake Sys on Liquid U Hexafluoride Handling Crane at Plant.Revised Rept Includes Corrective Actions.Commitments in Rept Also Encl
ML20211Q8041999-09-0808 September 1999
Ack Receipt of Informing NRC of Steps Taken to Correct Violations Noted in Insp Rept 70-7002/99-05
ML20211N8951999-09-0707 September 1999
Forwards Required 30 Day Event Rept 99-17,for Event That Resulted from Determination That 13 Sprinkler Sys Associated with High Pressure Fire Water Sys in Process Buildings Were Not Capable of Meeting Operability Requirements
ML20211M6401999-09-0303 September 1999
Forwards Security Incident Log for Month of Aug 1999,per Requirements of 10CFR95.57(b)
ML20211P3831999-09-0303 September 1999
Forwards Coc GDP-1,amend 3 & Coc GDP-2,amend 4 for Paducah (Pgdp) & Portsmouth (Ports) Gdps,Respectively by Revising Pgdp & Ports QAPs in Vol 3 of Respective Certificate Applications
ML20211M6941999-09-0202 September 1999
Forwards 30-day Written Event Rept 99-09,rev 1,for Event Involving Actuation of Brake Sys on Liquid U Hexafluoride Handling Crane at Plant.Revised Rept Includes Root Cause & Corrective Actions.List of Commitments,Included
ML20211L4871999-09-0101 September 1999
Ack Receipt of Informing NRC of Steps Taken to Correct Violations Noted in Insp Rept 70-7002/99-07 Issued on 990709
ML20211K4041999-08-31031 August 1999
Forwards Responses to Remaining NRC Questions/Comments from 980601 & 0709 NRC RAIs Re SAR Update
ML20211K2081999-08-31031 August 1999
Discusses 990730 Revised Response to RAI Transmitted by NRC Re 990528 Response for Severity Level IV Violations Identified in Insp Rept 70-7002/99-06
ML20211M7031999-08-30030 August 1999
Forwards Proprietary Rev 0 to Arming & Arrest Authority Security Plan for Paducah & Portsmouth Gaseous Diffusion Plants, for Review & Approval.Encl Withheld
ML20211H2741999-08-27027 August 1999
Forwards Insp Rept 70-7002/99-09 on 990629-0809 & Notice of Violations Re Involving Inadequate Corrective Actions of Concern,Due to Staff Failure to Take Actions to Prevent Recent Derailment
ML20211G9891999-08-26026 August 1999
Informs That on 990812,NRC Completed three-day Licensing Review of Activities Associated with Usec 990526,certificate Amend Request (CAR) to Reopen Compliance Plan Issues 8,9 & 23 at Portsmouth Plant
ML20211D9311999-08-23023 August 1999
Forwards Required 30-day Written Event Rept 99-16 Re Event Involving Autoclave High Condensate Level Shutoff Actuation at Portsmouth Gaseous Diffusion Plant.List of Commitments, Included
ML20211A7011999-08-17017 August 1999
Forwards Copy of Final Amend to 10CFR76 for Info of Subcommittee.Final Rule Is Being Transmitted to Fr for Publication.Final Rule Will Amend Regulations That Apply to Paducah & Portsmouth Gaseous Diffusion Plants
ML20211C5951999-08-17017 August 1999
Submits Changes to Authorized Derivative Classifier List for Portsmouth Gdp.Changes Are Current as of 990806
ML20211D2351999-08-16016 August 1999
Replaces Ltr Forwarding Proprietary Followup to Submittal Re Holdup of U Enriched Greater than or Equal to 10 Weight Percent U-235 in Process Equipment
ML20211D6341999-08-16016 August 1999
Forwards Proprietary Info Containing Process That Would Be Followed Once Deposit Identified That Could Cause Usec to Exceed NRC Possession Limit.Proprietary Encl Withheld
ML20211D5771999-08-16016 August 1999
Submits Rev 1 to Event Rept 99-12,to Clarify That Only One of 50 Ball Lock Pins on Packages Used in Shipment Was Unfastened When Shipment Was Received.Cause Has Not Been Determined.Usec Revised Procedure XP4-TE-UH2400
ML20211C3941999-08-13013 August 1999
Forwards Proprietary Followup to Submittal Re Holdup of U Enriched Greater than or Equal to 10 Weight Percent U-235 in Process Equipment.Encls Withheld
ML20211C8031999-08-13013 August 1999
Forwards Proprietary Versions of Rev 33 Changes to Fundamental Nuclear Matls Control Plan & Transportation Security Plan.Proprietary Encl Withheld
ML20210P6981999-08-10010 August 1999
Forwards Insp Rept 70-7002/99-11 on 990719-23.No Violations Noted.Insp Consisted of Selective Exam of Procedures & Representative Records,Interviews with Personnel & Observations of Activities in Progress
ML20210Q5291999-08-0909 August 1999
Responds to Violations Noted in Insp Rept 70-7002/99-07. Corrective Actions:On 990622,results of Nda Surveys for G-17 Valves Moved Outside Bldg X-744H Were Obtained
ML20210Q6061999-08-0909 August 1999
Forwards NRC Form 790 Classification Record Documents for Paducah & Portsmouth Gdps,Per 10CFR95.57.Records Were Generated During Month of July 1999.Without Encl
ML20210P1841999-08-0606 August 1999
Revised Response to NRC NOV Re Violations Noted in Insp Rept 70-7002/99-04.Corrective actions:DOI-832-99-03 Revised & Reissued on 990729,to Include Any Document Utilized to Support Safety Basis in Ncse
ML20210N8511999-08-0606 August 1999
Forwards Copy of Security Incident Log for Month of July 1999
1999-09-09
[Table view]
Category:OUTGOING CORRESPONDENCE
MONTHYEARML20217N5861999-10-22022 October 1999
Ack Receipt of Informing NRC of Steps Taken to Correct Violations Noted in Insp Rept 70-7002/99-09 Issued on 990827
ML20217H6911999-10-19019 October 1999
Ack Receipt of 990928 Application to Revise Technical Safety Requirements 2.2.3.15 & 2.7.3.14.Initial Administrative Review Finds Application Acceptable.Completion of Review Is Anticipated by 991215
ML20217G4671999-10-14014 October 1999
Forwards Proprietary Insp Rept 70-7002/99-207 on 990920-23. No Violations Noted.Under Provisions of Section 2.790(d), Repts Containing Info Related to Licensee MC&A Program, Exempt from Public Disclosure
ML20217G1731999-10-14014 October 1999
Requests Addl Info Re Applications Dtd 990924,requesting Amends to Cocs for Paducah & Portsmouth GDPs for Revised QA Programs.Encl Identifies Specific Info Needed.Info Should Be Provided within 30 Days
ML20217F5481999-10-0808 October 1999
Discusses Insp Rept 70-7002/99-12 on 990810-0920 at Ports- Mouth Gaseous Diffusion Plant.No Cited Violations of NRC Requirements Were Identified During Insp
ML20212G9401999-09-23023 September 1999
Responds to 990806 Reply to NOV in Ltr with Insp Rept 70-7002/99-04.Revised Reply Reviewed & Responses to Violations 1.B & 1.C Do Not Fully Address Needs as Clarified in 990715 Telcon.Resubmit Response within 30 Days of Ltr
ML20211Q7761999-09-10010 September 1999
Forwards Insp Rept 70-7002/99-205 on 990816-20.No Violations Noted.Insp Consisted of Selective Exams of Computer Systems, Representative Records & Interviews with Personnel
ML20211P2091999-09-0909 September 1999
Provides Staff Written Clarification of NRC Reporting Expectations of When Double Contingency Losses Should Be Reported to NRC IAW Bulletin 91-001, Reporting Loss of Criticality Safety Controls, & Suppl
ML20211Q8041999-09-0808 September 1999
Ack Receipt of Informing NRC of Steps Taken to Correct Violations Noted in Insp Rept 70-7002/99-05
ML20211P3831999-09-0303 September 1999
Forwards Coc GDP-1,amend 3 & Coc GDP-2,amend 4 for Paducah (Pgdp) & Portsmouth (Ports) Gdps,Respectively by Revising Pgdp & Ports QAPs in Vol 3 of Respective Certificate Applications
ML20211L4871999-09-0101 September 1999
Ack Receipt of Informing NRC of Steps Taken to Correct Violations Noted in Insp Rept 70-7002/99-07 Issued on 990709
ML20211K2081999-08-31031 August 1999
Discusses 990730 Revised Response to RAI Transmitted by NRC Re 990528 Response for Severity Level IV Violations Identified in Insp Rept 70-7002/99-06
ML20211H2741999-08-27027 August 1999
Forwards Insp Rept 70-7002/99-09 on 990629-0809 & Notice of Violations Re Involving Inadequate Corrective Actions of Concern,Due to Staff Failure to Take Actions to Prevent Recent Derailment
ML20211G9891999-08-26026 August 1999
Informs That on 990812,NRC Completed three-day Licensing Review of Activities Associated with Usec 990526,certificate Amend Request (CAR) to Reopen Compliance Plan Issues 8,9 & 23 at Portsmouth Plant
ML20211A7011999-08-17017 August 1999
Forwards Copy of Final Amend to 10CFR76 for Info of Subcommittee.Final Rule Is Being Transmitted to Fr for Publication.Final Rule Will Amend Regulations That Apply to Paducah & Portsmouth Gaseous Diffusion Plants
ML20210P6981999-08-10010 August 1999
Forwards Insp Rept 70-7002/99-11 on 990719-23.No Violations Noted.Insp Consisted of Selective Exam of Procedures & Representative Records,Interviews with Personnel & Observations of Activities in Progress
ML20211A7901999-08-0404 August 1999
Forwards Info Requested During Briefing by NRC Staff on 990726 Re NRC Interactions with Usec
ML20210G0391999-07-26026 July 1999
Forwards Compliance Evaluation Rept & Fr Notice for Revised Qaps,Per 990212 Application
ML20210D8181999-07-23023 July 1999
Submits Response to SA Toelle Ltr Dtd 990614, 10CFR76.68(a)(3) Decreased Effectiveness Reviews & RAI for Paducah & Portsmouth Transmittals of 1999 Annual Update to Certification Applications
ML20210V3481999-07-16016 July 1999
Informs That Staff Completed Review of New Payment Surety Bonds (Psb) for Paducah & Portsmouth Gdps,Which Were Provided in .Cancelled Psbs for Liberty Mutual Insurance Co & Safeco Insurance Co of America,Encl
ML20209G2501999-07-14014 July 1999
Forwards Copy of Compliance Evaluation Rept Prepared to Support Resolution & Closure of Violation in Insp Rept 70-7002/97-203,re Failure to Have Adequate Benchmarks in Validation Rept Analysis of Models of U Sys
ML20209F1031999-07-12012 July 1999
Forwards Insp Rept 70-7002/99-204 Conducted on 990614-17.No Violations Noted.Major Areas Inspected:Mc&A Safeguards Program.Rept Details Withheld,Per 10CFR2.790
ML20209E8711999-07-0909 July 1999
Discusses Insp Rept 70-7002/99-08 on 990614-17 & Forwards Notice of Violation
ML20209E8551999-07-0909 July 1999
Forwards Insp Rept 70-7002/99-07 on 990517-0629 & Nov. Violation of Concern Because Staff Displayed Lack of Rigor in Failing to Ensure That Nuclear Facility Criticality Safety Controls Were Implemented as Listed
ML20209D4821999-07-0707 July 1999
Discusses Licensee 990702 Request That NRC Exercise Discretion Not to Enforce Compliance with Actions Required by Tsrs 2.2.3.2,2.4.3.1,2.5.3.1 & 2.7.3.2.NRC Concluded That NOED Warranted
ML20209B7911999-07-0101 July 1999
Forwards Insp Rept 70-7002/99-203 Conducted on 990607-11.No Violations Noted
ML20196H8421999-06-29029 June 1999
Discusses Insp Rept 70-7002/99-06 on 990322-26 & Forwards Notice of Violation & Proposed Imposition of Civil Penalty in Amount of $55,000
ML20196F1121999-06-23023 June 1999
Responds to 990528 Response to NOV Submitted by with Insp Rept 70-7002/99-06.Response Not Fully Addressing Informational Needs in Notice.Response to Notice Requested to Be Resubmitted within 30 Days of Date of Ltr
ML20207H5001999-06-11011 June 1999
Discusses Insp Rept 70-7002/99-05 on 990406-0515 & Forwards Notice of Violation Re Weakness in Staff Knowledge & Implementation of Plant Procedures in Several Program Areas
ML20195J2001999-06-11011 June 1999
Ack Receipt of Certificate Amend Request Re Reopening of Compliance Plan Issues 8,9 & 23.Staff Has Completed Initial Administrative Review of Application & Anticipates Completing Review by 990831
ML20207G2641999-06-0808 June 1999
Ack Receipt of Informing NRC of Steps Taken to Correct Violations Noted in Insp Rept 70-7002/99-03 Sent on 990528.Reviewed Corrective Actions & Have No Futher Questions.Actions Will Be Examined During Future Insp
ML20207F2571999-06-0202 June 1999
Informs That NRC Disagrees with Usec Conclusion for Not re-opening Issue 2 of Compliance Plan,Since Proposed Change to Sarup Submittal Constitutes Major Rev to Operating Safety Bases Contained in Technical Safety Requirements
ML20207A0121999-05-21021 May 1999
Forwards Insp Rept 70-7002/99-04 on 990222-0312 & Notice of Violations Re Inadequate Knowledge & Understanding by Some Staff & Mgt of Corrective Action
ML20207E5421999-05-18018 May 1999
Discusses Apparent Violation Involving Usec & Lockheed Martin Utility Svcs,Inc.(Lmus) Mgt Discriminating Against Lmus Employee at Paducah Gaseous Diffusion Plant. Violation Being Considered for Escalated Ea.W/O Encl 2
ML20206S3091999-05-17017 May 1999
Confirms Meeting Scheduled for 990610 in Lisle,Il to Discuss Failure to Classify Emergency Conditon as Alert IAW Portsmouth EP
ML20206N3851999-05-12012 May 1999
Forwards Amend 1 to Coc GDP-1 & Amend 3 to Coc GDP-2 IAW 990316 Applications,Revising Paducah & Portsmouth Gaseous Diffusion Plants Technical Safety Requirement Sections 3.1.1 & 3.10.4
ML20206H5601999-05-0606 May 1999
Ack Receipt of Responding to Notice of Violation Noted During Insp 70-7002/99-202 of 990319.Corrective Actions Acceptable,Per 10CFR2.201
ML20206E9761999-05-0303 May 1999
Forwards Amend 2 to Coc GDP-2,reducing Ports Fundamental Nuclear Matl Control Plan Requirements Re Min Number of UF6 Cylinder Receipts from Russia
ML20206E3781999-04-29029 April 1999
Ack Receipt of Informing NRC of Steps Taken to Correct Violations Noted in Insp Rept 70-7002/99-01.Actions Will Be Examined During Future Insp
ML20206E4281999-04-29029 April 1999
Forwards Insp Rept 70-7002/99-03 on 990222-0406 & NOV Re Failure to Understand & Implement Personnel Safety Controls During Maint Evolution
ML20206B5611999-04-22022 April 1999
Forwards Insp Rept 70-7002/99-06 on 990322-26 & Nov.One Violation Identified Involving Failure of Plant Shift Superintendent,Acting as Incident Commander for Er to Fire on 981209,to Classify Emergency Condition as Alert
ML20205K4251999-04-0707 April 1999
Forwards Compliance Evaluation Rept for GDP-1 & GDP-2, Supporting Change in Title of Executive Vice President, Operations.Notice of Amend,Which Has Been Forwarded to Ofc of Fr for Publication,Encl
ML20205J2051999-04-0606 April 1999
Forwards Amend 1 to Coc GDP-2,revising Issue A.2 of Portsmouth Gaseous Diffusion Plant Compliance Plan.Condition 8 Revised to Include Date of 981228
ML20205F6721999-03-31031 March 1999
Forwards Proprietary Copy of Compliance Evaluation Rept Prepared to Support Amend of Coc GDP-2.Notice of Amend,Which Has Been Forwarded to Ofc of Fr for Publication,Also Encl. Proprietary Encls Withheld
ML20196K3981999-03-19019 March 1999
Forwards Insp Rept 70-7002/99-202 Conducted on 990222-26. Violation Noted.Major Areas Inspected:Mc&A Safeguards Program.Rept Details Withheld,Per 10CFR2.790(d)
ML20204H9611999-03-18018 March 1999
Forwards RAI Re 990212 Applications Requesting Amends to Coc for Paducah & Portsmouth Gaseous Diffusion Plants for Revised QAPs
ML20204D7991999-03-17017 March 1999
Discusses Insp Rept 70-7002/99-01 on 990112-0222 & Forwards Notice of Violation.Violation Identified Involved Licensee Staff Returning Sys to Svc Following Safety Actuations Without Appropriately Documenting Safety Actuations
ML20204E2341999-03-17017 March 1999
Ack Receipt of Informing NRC of Steps Taken to Correct Violations Noted in Insp Rept 70-7002/98-18 .Reviewed C/As & Have No Further Questions.C/As Will Be Examined During Future Insps
ML20207G4991999-03-0505 March 1999
Discusses Rescheduling of 1999 Portsmouth Emergency Preparedness Exercise to 990914.Date Change Acceptable to Local Officials
ML20207B3361999-03-0202 March 1999
Ack Receipt of 990212 Applications for Amend to Cocs GDP-1 & GDP-2.Staff Has Completed Initial Administrative Rev of Applications & No Omissions of Deficiencies Were Identified. Staff Anticipates Completing Review by 990416
1999-09-09
[Table view] |
Text
_ _ . . - . .
l
,. c=g g 2
.. 2t UNITED STATES
- g y NUCLEAR REGULATORY COMMISSION ,
o & WASHINGTON. D.C. 20666-0001 i 8 July 8,1997 l
'k*****,o l Mr. James H. Miller i Vice President, Production U. S. Enrichment Corporation 2 Democracy Center 6903 Rockledge Drive Bethesda, MD 20817
SUBJECT:
PORTSMOUTH CERTIFICATE AMENDMENT REQUEST - INCREASED DOSE FOR HYPOTHETICAL CRITICALITY CASE IN BUILDING X-333 j (TAC NO. L32014) l 1
l
Dear Mr. Miller:
This refers to your application dated February 25,1997, requesting an amendment to the l Certificate of Compliance for the Portsmouth Gaseous Diffusion Plant, by increasing the l calculated dose for a hypothetical criticality case in Building X-333 described in section 4.1.1.2.5 of the Portsmouth Gaseous Diffusion Plant's Safety Analysis Report.
Our review of your application has identified a need for additionalinformation and i questions that need to be resolved before final action can be taken on your request. It I concerns information required for the NRC staff to independently assess the calculated dose. Please provide responses to the following comments.
( 1. Why did the increase in enrichment in the X-333 cascade result in a change in location of the assessed criticality accident? In pr.nciple, the reason is understood.
l However, a more explicit explanation is needed to show that the closest location
- was correctly identified.
I
- 2. What is the basis for assuming that the criticalities of interest occur in X-33-6 at 40 feet or at X-33-8 at 240 feet?
l 3. Show all the steps in the calculation of 49 rem in ACR-1.
Please provide the additionalinformation within 30 days of this letter. Please reference the above TAC No. in future correspondence related to this request.
l f
pf*
NRC FILE CENTER COPY
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, Mr.' James H. Miller If you have any questions regarding this matter, please contact me at (301) 415-8113.
. Sincerely, g 9gned BY Yawar H. Faraz Project Manager Enrichment Section Special Projects Branch Division of Fuel Cycle Safety ,
and Safeguards, NMSS Docket 70-7002 -i Certificate GDP-2 )
i cc: Mr. Dale Allen, PORTS !
Mr. Randy DeVault, DOE Mr. Rob Woolley, USEC DISTRIBUTION: (Control No. 060S) I Docket 70-7002 NRC File Center ~ PUBLIC Rlli ,
KO'Brien, Rlil CCox, Rlli JDavis, FCOB WSchwink, FCOB -
' MHorn RPierson DHeartland, Rlli KWinsberg NMSS r/f FCSS r/f SPB r/f PHiland, Rlli G:\RAIPOR.A3 i OFC SPB C FCLB 6 'SPB, ( SPgy,, .
NAME YFarak DDamN DAHhPM [rtin DATE. - (r/30/97 '/ d /97 7 / '/ /97 7/7 /97 j C = COVER E = COVliR & ENCLOSURE N = NO COPY OFFICIAL RECORD COPY j
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