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MONTHYEARML0224103752002-09-0505 September 2002 Massachusetts Institute of Technology Research Reactor, Request for Additional Information, Amendment Request for Amended Facility Operating License No. R-37 Project stage: RAI ML0229603322002-10-15015 October 2002 Response to TAC No. MB3761, License No. R-37 Dated 10/15/2002 Project stage: Other ML0235201902002-12-10010 December 2002 Response to TAC No. MB3761, License No. R-37, Docket No. 50-20 Project stage: Other ML0230103982003-03-25025 March 2003 Massachusetts Institute of Technology, License Amendment, Fission Converter Surveillance Requirements Project stage: Other 2002-12-10
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Category:Letter
MONTHYEARML24022A0972024-01-22022 January 2024 Massachusetts Institute of Technology Change of Facility Backup Project Manager ML23354A1442024-01-0505 January 2024 Examination Confirmation Letter No. 50-020/OL-24-01, Massachusetts Institute of Technology IR 05000020/20232032023-11-21021 November 2023 Massachusetts Institute of Technology - U.S. Nuclear Regulatory Commission Routine Inspection Report No. 05000020/2023203 ML23242A3382023-11-0606 November 2023 Examination Report Letter No. 50-020/OL-23-01, Massachusetts Institute of Technology ML23242A3392023-11-0606 November 2023 Examination Result Letter No. 50-020/OL-23-01, Massachusetts Institute of Technology IR 05000020/20232012023-10-12012 October 2023 Massachusetts Institute of Technology - U.S. Nuclear Regulatory Commission Routine Inspection Report No. 05000020/2023201 IR 05000020/20232022023-09-27027 September 2023 Massachusetts Institute of Technology - U.S. Nuclear Regulatory Commission Security Inspection Report No. 05000020/2023202 ML23194A0412023-07-11011 July 2023 Mit Research Reactor - Duties of Reactor Superintendent ML23103A2632023-05-10010 May 2023 Examination Confirmation Letter No. 50-020/OL-23-01 Massachusetts Institute of Technology ML23094A1102023-03-30030 March 2023 Massachusetts Institute of Technology (Mit), Submittal of Annual Report for 2022, Technical Specification 7.7.1 ML23072A0242023-03-0707 March 2023 Mit, Nuclear Reactor Lab., Proposal for Conversion to Low Enriched Uranium (Leu), Mit Research Reactor IR 05000020/20222012023-02-0707 February 2023 Massachusetts Institute of Technology - U.S. Nuclear Regulatory Commission Routine Inspection Report No. 05000020/2022201 ML22189A0492022-07-25025 July 2022 Examination Confirmation Letter No.50-020/OL-22-02, Massachusetts Institute of Technology ML22095A2412022-03-31031 March 2022 Annual Report for the Mit Research Reactor for the Period from January 1, 2021, to December 31, 2021 ML22062B0422022-02-10010 February 2022 Proposal for Conversion to Low Enriched Uranium (Leu), Mit Research Reactor, Docket No. 50-20, 10 CFR 50.64 (c)(2)(ii) of That Paragraph ML21328A2342021-11-29029 November 2021 Examination Confirmation Letter No. 50-020/OL-22-01, Massachusetts Institute of Technology IR 05000020/20212032021-11-0909 November 2021 Massachusetts Institutes of Technology - U.S. Nuclear Regulatory Commission Routine Inspection Report No. 05000020/2021203 IR 05000020/20212012021-09-30030 September 2021 Massachusetts Institute of Technology - U.S. Nuclear Regulatory Commission Routine Inspection Report 05000020/2021201 ML21186A0032021-07-16016 July 2021 Examination Confirmation Letter No. 50-020/OL-21-02, Massachusetts Institute of Technology ML21165A1542021-05-28028 May 2021 Mit - Emergency Plan and Procedures, 10 CFR 50.54(q)(5) ML21140A3622021-05-17017 May 2021 Massachusetts Institute of Technology (Mit) - Supplement to Response to the Request for Additional Information for Battery Upgrade License Amendment Request (EPID: L-2021 -NFA-0000) ML21132A2512021-05-0606 May 2021 Massachusetts Institute of Technology, License No. R-37, Docket No. 50-20, Reportable Occurrence 50-20/2021-: Operation with Less than the Required Staffing on Site; NRC OPS Center Log EN 55212 ML21112A1672021-04-12012 April 2021 Massachusetts Institute of Technology - Physical Security Plan Revision Regarding Biometric Readers ML21105A3602021-04-0707 April 2021 Duties of Reactor Superintendent ML21099A1132021-03-31031 March 2021 Massachusetts Institute of Technology - Annual Report, Docket No. 50-20, License R-37, Technical Specification 7.7.1 ML21091A2082021-03-24024 March 2021 Mit Nuclear Reactor Lab - Response to Request for Additional Information for Battery Upgrade License Amendment Request ML21076A0232021-03-18018 March 2021 Requests for Additional Information - Related to License Amendment Request to Replace Emergency Power System Batteries ML21070A1852021-03-0202 March 2021 Mit Nuclear Reactor Laboratory, License Amendment Request Regarding Emergency Battery Surveillances in Technical Specification 4.6, Docket No. 50-20, License R-37 ML21063A2552021-02-25025 February 2021 Proposal for Conversion to Low Enriched Uranium (Leu), :Mit Research Reactor, Docket No. 50-20, 10 CFR 50.64 (c)(2)(ii) of That Paragraph ML21053A4372021-02-23023 February 2021 Examination Confirmation Letter No. 50-020/OL-21-01, Massachusetts Institute of Technology ML21036A0852021-02-19019 February 2021 Massachusetts Institute of Technology - Acceptance of License Amendment Request to Revise Surveillance Frequency During Extended Reactor Shutdown ML21035A2582021-01-29029 January 2021 Massachusetts Institute of Technology (Mit), Supplement to Technical Specifications Surveillance Frequency Definition Update for Improved Compliance Under 10 CPR 50.36(c)(3) ML20295A4242020-11-16016 November 2020 Notification of Mailing Address Change Regarding Submittal of Fingerprint Cards ML20307A4202020-11-0505 November 2020 Granting of Extension Request to Supplement License Amendment to Revise Surveillance Requirement Frequency ML20304A1172020-10-19019 October 2020 Time Extension Request for LAR on Technical Specifications Surveillance Frequency Update for Improved Compliance Under 10 CFR 50.36(c)(3) for the Mit Research Reactor ML20248H5682020-09-22022 September 2020 Mit Research Reactor Routine Inspection Report with Enforcement Discretion (EA-20-109) - August 2020 ML20161A3342020-07-24024 July 2020 Massachusetts Institute of Technology - Issuance of Amendment NO.44 to Renewed Facility Operation License No. R-37 to Amend Technical Specifications Related to Level 1 Position Title Change ML20182A7092020-07-0909 July 2020 Acceptance Review Amendment Request to Revise Surveillance Frequency - Opportunity to Supplement ML20192A0762020-06-30030 June 2020 Mit - Supplemental Information for License Amendment Request for Position Title Change in Technical Specifications for Level 1 Staff ML20070H2672020-06-0404 June 2020 Examination Report No. 50-020/OL-20-01, Massachusetts Institute of Technology ML20119A8272020-05-29029 May 2020 Massachusetts Institute of Technology - Issuance of Amendment No. 43 Extending Time to Implement License Amendment No. 42 to Facility Operating License No. R-37 ML20149K4142020-05-27027 May 2020 NRC LAR Extension Supplemental Letter 2020-05-27 ML20135H1882020-05-15015 May 2020 Massachusetts Institute of Technology - Exemption from Select Requirements of 10 CFR Part 55, Operators' Licenses ML20122A0622020-04-21021 April 2020 Massachusetts Institute of Technology, Regarding the, Amendment No. 42 to Renewed Facility Operating License No. R-37 for the Nuclear Safety System Digital Upgrade (Epdi No. L-2016-LLA-0003) ML20090E2272020-04-16016 April 2020 Massachusetts Institute of Technology - Acceptance of the Application for a License Amendment Level 1 Position Title Change ML20097B6932020-03-31031 March 2020 Amendment No. 42 to Renewed Facility Operating License No. R-37 Regarding the Nuclear Safety System Digital Upgrade (Epdi No. L-2016-LLA-0003) ML20097D2992020-03-27027 March 2020 Massachusetts Institute of Technology (Mit) - Annual Report for the Year 2019 ML20078J4852020-03-12012 March 2020 Massachusetts Institute of Technology (Mit), License Amendment Request for Position Title Change in Technical Specifications for Level 1 Staff ML20055D3322020-02-18018 February 2020 Proposal for Conversion to Low Enriched Uranium (Leu), Mit Research Reactor, Docket No. 50-20, 10 CFR 50.64 (c)(2)(ii) of That Paragraph IR 05000020/20192032020-01-15015 January 2020 Massachusetts Institute of Technology U.S. Nuclear Regulatory Commission Security-Related Inspection Report 05000020/2019203 2024-01-05
[Table view] Category:Request for Additional Information (RAI)
MONTHYEARML21076A0232021-03-18018 March 2021 Requests for Additional Information - Related to License Amendment Request to Replace Emergency Power System Batteries ML21036A0852021-02-19019 February 2021 Massachusetts Institute of Technology - Acceptance of License Amendment Request to Revise Surveillance Frequency During Extended Reactor Shutdown ML18218A4472018-08-30030 August 2018 Massachusetts Institute of Technology - Request for Additional Information for Nuclear Safety System Upgrade License Amendment Request ML18059A2362018-03-12012 March 2018 Massachusetts Institute of Technology - Request for Additional Information for Nuclear Safety System Upgrade License Amendment Request ML17237B9922017-10-12012 October 2017 Massachusetts Institute of Technology - Request for Additional Information for Nuclear Safety System Upgrade License Amendment Request ML1019500022010-07-16016 July 2010 Massachusetts Institute of Technology (Mit), Request for Additional Information Regarding Mit Research Reactor License Renewal. ML1008204722010-04-0606 April 2010 Massachusetts Institute of Technology, Request for Additional Information, Decommissioning Funding ML0935216702009-12-23023 December 2009 Massachusetts Institute of Technology, Request for Additional Information Regarding License Renewal ML0830203032008-10-30030 October 2008 Massachusetts Institute of Technology-Request for Additional Information Regarding Amendment Request ML0810205372008-04-21021 April 2008 Massachusetts Institute of Technology - Request for Additional Information License Renewal Request ML0807103522008-03-12012 March 2008 Massachusetts Institute of Technology - Request for Additional Information License Renewal Request ML0803900352008-02-0808 February 2008 Mitr RAIs ML0733404852007-11-30030 November 2007 Massachusetts Institute of Technology, Request for Additional Information, License Renewal ML0527103432005-10-0707 October 2005 RAI Letter - Security Measures - Bernard ML0403309762004-02-0505 February 2004 Reply to Notice of Violation - Request for Additional Information EA-03-155 ML0226306442002-09-25025 September 2002 Request for Additional Information Massachusetts Institute of Technology Amendment Request. ML0224103752002-09-0505 September 2002 Massachusetts Institute of Technology Research Reactor, Request for Additional Information, Amendment Request for Amended Facility Operating License No. R-37 ML0205105572002-02-21021 February 2002 Request for Additional Information Regarding Request for Amendment of License R-37 Submitted on 12/19/2001 2021-03-18
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September 5, 2002 Dr. John A. Bernard, Director Nuclear Reactor Laboratory Massachusetts Institute of Technology 138 Albany Street Cambridge, MA 02139-4296
SUBJECT:
REQUEST FOR ADDITIONAL INFORMATION (TAC NO. MB3761)
Dear Dr. Bernard:
We are continuing our review of your amendment request for Amended Facility Operating License No. R-37 for the Massachusetts Institute of Technology Research Reactor which you submitted on November 21, 2001. During our review of your request, questions have arisen for which we require additional information and clarification. Please provide responses to the enclosed request for additional information within 45 days of the date of this letter. In accordance with 10 CFR 50.30(b), your response must be executed in a signed original under oath or affirmation. Following receipt of the additional information, we will continue our evaluation of your amendment request.
If you have any questions regarding this review, please contact me at (301) 415-1127.
Sincerely,
/RA/
Alexander Adams, Jr., Senior Project Manager Research and Test Reactors Section Operating Reactor Improvements Program Division of Regulatory Improvement Programs Office of Nuclear Reactor Regulation Docket No. 50-20
Enclosure:
As stated cc w/enclosure: Please see next page
Massachusetts Institute of Docket No. 50-20 Technology cc:
City Manager City Hall Cambridge, MA 02139 Department of Environmental Quality Engineering 100 Cambridge Street Boston, MA 02202 Test, Research, and Training Reactor Newsletter University of Florida 202 Nuclear Sciences Center Gainesville, FL 32611
September 5, 2002 Dr. John A. Bernard, Director Nuclear Reactor Laboratory Massachusetts Institute of Technology 138 Albany Street Cambridge, MA 02139-4296
SUBJECT:
REQUEST FOR ADDITIONAL INFORMATION (TAC NO. MB3761)
Dear Dr. Bernard:
We are continuing our review of your amendment request for Amended Facility Operating License No. R-37 for the Massachusetts Institute of Technology Research Reactor which you submitted on November 21, 2001. During our review of your request, questions have arisen for which we require additional information and clarification. Please provide responses to the enclosed request for additional information within 30 days of the date of this letter. In accordance with 10 CFR 50.30(b), your response must be executed in a signed original under oath or affirmation. Following receipt of the additional information, we will continue our evaluation of your amendment request.
If you have any questions regarding this review, please contact me at (301) 415-1127.
Sincerely,
/RA/
Alexander Adams, Jr., Senior Project Manager Research and Test Reactors Section Operating Reactor Improvements Program Division of Regulatory Improvement Programs Office of Nuclear Reactor Regulation Docket No. 50-20
Enclosure:
As stated cc w/enclosure: Please see next page DISTRIBUTION:
PUBLIC RORP/R&TR r/f TDragoun MMendonca AAdams WBeckner OGC EHylton FGillespie SHolmes CBassett DMatthews WEresian PIsaac PDoyle PMadden GHill (2) LBerg ADAMS ACCESSION NO: ML022410375 TEMPLATE #: NRR-088 OFFICE RORP:LA RORP:LA RORP:SC NAME EHylton:rdr AAdams PMadden DATE 08/ 30 /2002 09/ 04 /2002 09/ 05 /2002 C = COVER E = COVER & ENCLOSURE N = NO COPY
OFFICIAL RECORD COPY REQUEST FOR ADDITIONAL INFORMATION MASSACHUSETTS INSTITUTE OF TECHNOLOGY RESEARCH REACTOR DOCKET NO. 50-20
- 1. In addition to the elimination of the annual calibration, your proposal would eliminate calibration of the fission converter tank coolant level channel when a new measuring device is installed or when the current device repaired. Please justify the elimination of the calibration requirement for initial installation and after repair or modify your proposed TS to include these calibrations.
- 2. Please describe how the actuation position of the float switch is initially set if the position of the switch is not adjustable as stated in your application. Have the calibrations performed to date show any change in the set point of the switch? Please describe the functional test of the coolant level float switch and how that test would detect a failure of the float switch.
- 3. Please describe if there are any other methods to detect a failure of the fission converter tank that would result in loss of coolant.
- 4. Is it possible to confirm proper operation of the switch at times when the tank top is removed for other reasons?
- 5. The TS use two units for conductivity. TS 6.6.2.6 uses µmho/cm while your proposed changes to TS 6.6.3.4 uses µS/cm. Please make the units consistent in the TSs.
- 6. The data in the literature for your calculation of the pH - conductivity appears to be for light water systems. You state that heavy water values are not expected to be markedly different. What is the bases of this statement? You have been taking pH and conductivity measurements of fission converter primary coolant. How much data do you have and does the data support your calculated pH - conductive curves?
- 7. Given your calculations, what does it mean if conductivity falls to a very low level such as 0.04 µS/cm?
Enclosure