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 Issue dateTitleTopic
ML20059M67028 September 1990Advises That Shim 4 Did Not Return to Normal Position on 900918.Bearing-seal Assemblies Replaced Using Stainless Steel Bearings
ML20059H2127 September 1990Informs of Error in Scheduled Quarterly Surveillance Test 5.6.1.Test Inadvertently Scheduled for Aug Rather than May, 1990.Error Occurred Due to Surveillance Date Changes Necessitated by Extended Reactor Shutdown
ML20056A2651 August 1990Provides Addl Info on Request for Change to Section 6.2 of Tech Specs.Basic Design Considerations Unchanged Re Performance,Matl,Design Pressure & Temp & Fabrication Code Requirements
ML20055H33123 July 1990Certifies That Congressional Appropriation for Decommissioning of Reactor Will Be Requested When Necessary. Amount of Appropriation Will Be Based on FY90 Estimated Cost
ML20055H32817 July 1990Forwards Certification Verifying That Congressional Appropriation Will Be Requested Re Decommissioning Reactor. Decommissioning Estimated to Require Min of Five Yrs
ML20012A4702 March 1990Forwards Proposed Addendum 1 to Physical Security Plan,For Approval.Addendum Upgrades Plan Per Recommendations Contained in 1987 Nonpower Reactor Sabotage Study (U). W/O Encl
ML20011E67514 February 1990Advises That Funding for Conversion of NIST Reactor to Low Enriched U Fuel Unavailable,Per Encl DOE 900206 Ltr.Schedule for Conversion of NIST Reactor to Low Enriched U Cannot Be Submitted
ML19332B87215 November 1989Forwards Revised Section 7.5(c),Step 2,Page 14 of Emergency Plan,Involving Use of Search or Surveillance or Both as Alternate Method of Accounting for Personnel in Confinement Bldg During Site Area Emergency
ML20063Q05429 November 1988Discusses Transfer of Activities,Responsibilities & Obligations of Nbs to Natl Institute of Stds & Technology. Designation of Reactor Will Continue to Be Nbsr
ML20154P31218 May 1988Forwards Addl Info Re Application for Amend to Nbsr Tech Specs Per NRC 871217 Request
ML20151U34621 April 1988Forwards Corrected Operations Rept 40,1987, Correcting Typos
ML20196E88825 February 1988Informs That Funding for Conversion of Nbs Reactor to Low Enriched U Fuel Not Available.Schedule for Conversion of Nbs Reactor Cannot Be Submitted at This Time
ML20237J20011 August 1987Forwards Study Rept, Penetrations in Reactor Bldg for New Hot Plug Storage,Hx Vault & Neutron Beam Tubes, Supporting Nbs 870622 Application for Amend to Tech Specs
ML20207R75610 March 1987Submits Addl Info Re Nbs Reactor Use of Highly Enriched Fuel,Per 870211 Request.Majority of Programs at Nbs Reactor Require Current Enrichment Levels.Lowering of Enrichment Level Below 80 % Unacceptable
ML20212K3994 March 1987Informs That Funding for Conversion of Nbs Reactor to Low Enriched U Fuel Not Available,Per Encl DOE . Schedule for Conversion of Nbs Reactor Cannot Be Submitted at Present
ML20212L30127 February 1987Forwards Addl Info Re 861230 Unique Purpose Exemption Request,Including Discussion of Facility Contributions in Natl Interest & Demonstration That Reactor Could Not Perform Function W/O high-enriched UExemption Request
ML20210K74119 September 1986Requests Exemption from Conversion from High Enriched U Fuel to Low Enriched U Fuel.Conversion Would Reduce Unique Reactor Purpose of Providing Natl Measurement Capability to Address Large Variety of Important Research Areas
ML20128H22610 May 1985Responds to Violations Noted in Insp Rept 50-184/85-01. Corrective Actions:Personnel Posted Inside Process Room.Need for Action DisputedHigh Radiation Area
ML20115F29415 April 1985Requests 2-month Extension Until 850731 to Complete Implementation of New Emergency Plan,Due to Unexpected Delays in Completing Reactor Mods
ML20099L39623 November 1984Withdraws 840921 Request to Review Proposed Cold Neutron Source Experiment,Per 841030 Discussion.Experiment Satisfies 10CFR50.59 for Changes Permitted W/O Prior NRC Approval
ML20098E12621 September 1984Responds to 840823 Request for Schedule to Implement New Emergency Response Plan.Preparation of Procedures & Training to Implement Emergency Response Plan Expected to Be Completed in May 1985
ML20098G35821 September 1984Forwards for Review & Approval, SAR on D2O Cold Neutron Source for Nbs Reactor
ML20083H7266 January 1984Advises That Magnetically Coupled Contacts on mercury-wetted Contact Type Relays Will Open & Initiate Scram.Currently, Four Subj Relays Installed in Reactor
ML20072L33618 March 1983Forwards Operations Rept 34,Jul-Dec 1982
ML20071Q6794 November 1982Responds to NRC Re Violations Noted in IE Insp Rept 50-184/82-02.Corrective Actions:Subj Individual Checked Out on Pneumatic Facility & Was on Approved List of Users
ML20063P17630 September 1982Forwards Operations Rept 33,Jan-June 1982
ML20071M67322 September 1982Advises That EIS Re Licensing Renewal & Power Increase Scheduled for Fr Publication on 820924.Public Review Period Will Terminate on 821025
ML20052G48214 May 1982Discusses Proposed Relocation of Emergency Control Station to Basement of Reactor Bldg.New Location Will Be More Functional & Accessible
ML20054C61912 April 1982Confirms Understanding Re Removal of Inner & Outer Plenna Check Valves.Valve Removal Comes Under Provisions of 10CFR50.59 & Requires No Prior NRC Authorization
ML20050B53430 March 1982Forwards Semiannual Operating Rept,Jul-Dec,1981.
ML20041C53125 February 1982Advises of No Comments Re Renewal of License TR-5 for Operation of Nbs Reactor in Gaithersburg,Md
ML20049H73024 February 1982Verifies Official Filing of NUREG-0877,EIS for Facility. EPA Scheduled Publication of Notice of Availability in Fr on 820226.Public Review Period Terminates 820412
ML20040C60426 January 1982Submits Environ Info in Response to Telcon.Tritium Releases to Sanitary Sewers for 1975-1981 & Sensitivity of Environ Monitoring Listed
ML20010J30229 September 1981Forwards Answers to First 14 NRC Questions Re Environ Rept. Encl Rept, Geology,Seismology & Hydrology of Nbs Research Reactor Site,Gaithersburg,Md, Contains Answers to Questions 15 & 16Safe Shutdown
High Radiation Area
ML20010G18710 September 1981Forwards Semiannual Operating Rept for Jan-June 1981
ML19343C44520 March 1981Forwards Operations Rept 30 for Jul-Dec 1980.
ML19347B28926 September 1980Forwards Semiannual Operating Rept,Jan-June 1980.
ML19340E1968 April 1980Forwards Semiannual Operating Rept 28,Jul-Dec 1979.
ML19309D03615 February 1980Responds to NRC 800122 Ltr Re Violations Noted in IE Insp Rept 50-184/79-05.Corrective Actions:Attention Drawn to Existing Requirements & Periodic Surveys of Outside Areas Implemented
ML19309C72315 February 1980Requests That IE Insp Rept 50-184/80-01 Be Withheld (Ref 10CFR2.790).Info Contained in Rept Reveals Amount,Type & Location of Inventory of SNM
ML19262A06419 October 1979Forwards Executed Copy of Amend 12 to Indemnity Agreement D-9
ML19208D52128 September 1979Forwards Operations Rept 27, Jan-June 1979
ML19207B45715 August 1979Discusses Irregularities in Regulatory Rod Movements.Cause Is Unknown But Short Range Binding in Neighborhood of 25 Degrees May Result from Faulty Bearings on Shim Arm Shaft. Further Tests Are Planned.Reactor Will Remain Shut Down
ML19276G33115 May 1979Forwards Executed Amend 11 to Indemnity Agreement D-9
ML20062D3027 November 1978on 781102 During Routine Test,Shim Arm 1 Had Drop Time in Excess of Acceptable Range Caused by Slightly Longer Clutch Release.Assembly Removed & Snap Ring on Armature Hub Replaced in Favor of a More Uniform Support
ML20148U13123 August 1978Forwards Pages of IE Inspec Rept 50-184/78-04 & Requests That Noted Portions Be Withheld from Pub DisclosureHigh Radiation Area
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