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| Issue date | Title | Topic | |
|---|---|---|---|
| ML23073A398 | 31 March 2023 | TMI-2 ISFSI Biennial Update Report for 2023 | Coatings Incorporated by reference Aging Management Fire Watch Scaffolding Grace period |
| TMI-23-005, Updated Spent Fuel Management Plan | 21 March 2023 | Updated Spent Fuel Management Plan | |
| ML22335A463 | 1 December 2022 | Chronology of Significant Events in Operator Licensing Since the Three Mile Island Accident (1979) | Significance Determination Process Job Performance Measure Generic Fundamentals Examination License Renewal Earthquake Pandemic Coronavirus COVID-19 |
| ML22101A079 | 23 March 2022 | TMI2-EN-RPT-0001, Revision 1, Determination of the Safe Fuel Mass Limit for Decommissioning | Grab sample |
| TMI-22-008, 2021 Aircraft Movement Data Annual Report for TMI-1 | 28 February 2022 | 2021 Aircraft Movement Data Annual Report for TMI-1 | |
| ML22105A093 | 16 December 2021 | Attachment 3 - RSCS Technical Support Document (Tsd) No. 21-078 Rev 00 TMI-2 Source Term Limitations and Administrative Controls to Prevent Exceeding the 1 Rem EPA PAG | Fire Protection Program |
| ML21236A288 | 10 August 2021 | TMI-2 Pdms SAR Update 14 & QA Plan (Rev 18 & 19) Biennial Submittal 08-10-21 | Safe Shutdown Boric Acid High winds High Radiation Area Ultimate heat sink Non-Destructive Examination Grab sample Offsite Dose Calculation Manual Anticipated operational occurrence Tornado Missile Hydrostatic Coatings Operating Basis Earthquake Nondestructive Examination Emergency Lighting Locked High Radiation Area Condition Adverse to Quality Decommissioning Funding Plan Tornado Generated Missile Earthquake Fire Protection Program Power change |
| ML21133A264 | 5 May 2021 | Supplemental Information to License Amendment Request Decommissioning Technical Specifications | Grab sample |
| ML21084A229 | 17 March 2021 | Notification of Amended Post-Shutdown Decommissioning Activities Report Accordance with 10 CFR 50.82(a)(7), Revision 4 | Reactor Vessel Water Level Anticipated operational occurrence Met Tower Temporary Modification Locked High Radiation Area Exemption Request Fire Protection Program Environmental Justice |
| ML21085A692 | 15 March 2021 | Plan for Management of Debris Material | Locked High Radiation Area |
| ML21056A005 | 25 February 2021 | 2020 Aircraft Movement Data Annual Report | |
| ML21133A265 | 1 February 2021 | Calculation TMI2-EN-RPT-0002, Revision 0, MCNP Version 6.2 Bias Determination for Low Enrichment Uranium Using the ENDF/B-VIII.0 Cross Section Library | |
| ML20108E843 | 31 October 2019 | Additional Security Measures for Access Authorization and Fingerprinting at Independent Spent Fuel Storage Installations | Cyber Security |
| ML18107A215 | 10 April 2018 | Biennial 10 CFR 50.59 and Commitment Revision Reports for 2016 and 2017 | Surveillance Frequency Control Program Open Phase Condition |
| ML17289A053 | 15 October 2017 | Case Study Overview | Boric Acid |
| ML17165A409 | 14 June 2017 | T1R22 Refuel Outage MRP-227-A Reactor Internals Scope Deferral Review | |
| RS-16-104, Mitigating Strategies Flood Hazard Assessment Submittal | 29 June 2016 | Mitigating Strategies Flood Hazard Assessment Submittal | FLEX Fukushima Dai-Ichi |
| RS-16-087, Report of Full Compliance with March 12, 2012 Commission Order Modifying Licenses with Regard to Requirements for Mitigation Strategies for Beyond-Design-Basis External Events (Order Number EA-12-049) | 29 June 2016 | Report of Full Compliance with March 12, 2012 Commission Order Modifying Licenses with Regard to Requirements for Mitigation Strategies for Beyond-Design-Basis External Events (Order Number EA-12-049) | High winds Shutdown Margin Ultimate heat sink Mission time Tornado Missile Time to boil Safe Shutdown Earthquake Internal Flooding Hydrostatic Temporary Modification Emergency Lighting FLEX B.5.b Tornado Generated Missile Fukushima Dai-Ichi Tornado Missile Protection Spent Fuel Pool Instrumentation Earthquake Pressure Boundary Leakage Grace period Unidentified leakage |
| ML15306A503 | 17 December 2015 | Closure Evaluation for Report Pursuant to 10 CFR 50.46 Requirements Related to Thermal Conductivity Degradation | |
| ML15223A215 | 14 August 2015 | Staff Assessment of Information Provided Pursuant to Title 10 of the Code of Federal Regulations Part 50, Section 50.54(f), Seismic Hazard Reevaluations for Recommendation 2.1 of the NTTF Review of Insights | Safe Shutdown Earthquake Fukushima Dai-Ichi Earthquake |
| TMI-15-076, Submittal of TMI White Paper-TMI Bwst Cleanup Path Issue | 22 June 2015 | Submittal of TMI White Paper-TMI Bwst Cleanup Path Issue | Safe Shutdown Safe Shutdown Earthquake Operating Basis Earthquake Earthquake |
| ML15043A144 | 13 February 2015 | Review of Steam Generator Tube Inspection Report for Fall 2013 Outage | |
| ML14297A411 | 19 December 2014 | Letter and Non-Proprietary Safety Evaluation of Reactor Vessel Internals Inspection Plan | Functionality Assessment Aging Management EVT-1 Flow Induced Vibration |
| RS-14-301, Expedited Seismic Evaluation Process Report (CEUS Sites), Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding Recommendation 2.1 of the Near-Term Task Force Review of Insights from the Fukushima. | 17 December 2014 | Expedited Seismic Evaluation Process Report (CEUS Sites), Response to NRC Request for Information Pursuant to 10 CFR 50.54(f) Regarding Recommendation 2.1 of the Near-Term Task Force Review of Insights from the Fukushima. | Probabilistic Risk Assessment FLEX Fukushima Dai-Ichi Seismically rugged Earthquake Power-Operated Valves Power Operated Valves |
| RS-14-277, Proposed Alternative to Utilize Code Case N-513-4, Evaluation Criteria for Temporary Acceptance of Flaws in Moderate Energy Class 2 or 3 Piping Section XI, Division 1 | 24 September 2014 | Proposed Alternative to Utilize Code Case N-513-4, Evaluation Criteria for Temporary Acceptance of Flaws in Moderate Energy Class 2 or 3 Piping Section XI, Division 1 | Through-Wall Leak |
| ML14163A024 | 10 June 2014 | Response to Request for Additional Information - Review of the Cycle 20 Core Operating Limits Report | Boric Acid Shutdown Margin |
| ML14189A285 | 30 April 2014 | Topical Report 213, 40th Year Reactor Building Tendon Surveillance (Period 10), (Rev 0) | Safe Shutdown Fire Barrier Past operability Coatings Nondestructive Examination Incorporated by reference Tornado Generated Missile |
| ML14189A286 | 17 April 2014 | Final Report for the 40th Year (10th Period) Tendon Surveillance at Three Mile Island, Unit 1 | Coatings Foreign Material Exclusion |
| TMI-14-053, Biennial 10 CFR 50.59 and Commitment Revision Report for 2012 and 2013 | 16 April 2014 | Biennial 10 CFR 50.59 and Commitment Revision Report for 2012 and 2013 | License Renewal Dissimilar Metal Weld |
| ML13225A552 | 17 December 2013 | Interim Staff Evaluation Relating to Overall Integrated Plan in Response to Order EA-12-049 (Mitigation Strategies) | Safe Shutdown Boric Acid High winds Shutdown Margin Ultimate heat sink Tornado Missile Time to boil Safe Shutdown Earthquake Internal Flooding Emergency Lighting FLEX Fukushima Dai-Ichi Seismically rugged Frazil ice Battery sizing Earthquake |
| ML13338A671 | 9 December 2013 | Mega-Tech Services, LLC, Technical Evaluation Report Regarding the Overall Integrated Plan for Three Mile Island, Unit 1, TAC MF0803 | Safe Shutdown Boric Acid High winds Shutdown Margin Ultimate heat sink Time to boil Safe Shutdown Earthquake Internal Flooding Emergency Lighting FLEX Tornado Generated Missile Fukushima Dai-Ichi Seismically rugged Frazil ice Battery sizing Earthquake |
| ML14189A287 | 12 November 2013 | TMI 40TH Year Tendon Surveillance, Tendon No. 1-146-34, Tendon End Buddress 4 | Safe Shutdown Time of Discovery Commercial Grade Dedication Coatings Nondestructive Examination Aging Management Foreign Material Exclusion Moisture barrier Scaffolding |
| TMI-14-061, 40th Year Tendon Surveillance Engineering Report (Topical Report 213), Precision Surveillance Corporation in-Service Inspection Quality Control Procedure, Monitoring Tendon Force (Lift-Offs) | 3 September 2013 | 40th Year Tendon Surveillance Engineering Report (Topical Report 213), Precision Surveillance Corporation in-Service Inspection Quality Control Procedure, Monitoring Tendon Force (Lift-Offs) | Boric Acid Commercial Grade Dedication Nondestructive Examination Incorporated by reference Condition Adverse to Quality Foreign Material Exclusion Liquid penetrant Scaffolding |
| TMI-13-107, Attachment 1 - Areva Document No. ANP-3102Q1, Response to NRC Ria Regarding License Amendment Request to Update Pressure -Temperature Limit Curves for Three-Mile Island Unit 1, Revision 0, Dated August 2013 | 31 August 2013 | Attachment 1 - Areva Document No. ANP-3102Q1, Response to NRC Ria Regarding License Amendment Request to Update Pressure -Temperature Limit Curves for Three-Mile Island Unit 1, Revision 0, Dated August 2013 | Exemption Request |
| ML13232A217 | 31 July 2013 | Attachment 2 - Areva Document No. ANP-3102, Revision 3,Three-Mile Island Unit 1 Appendix G Pressure-Temperature Limits at 50.2 EFPY with Mur, Revision 3, Dated July 2013 | Hydrostatic |
| TMI-13-041, Post-Shutdown Decommissioning Activities Report Submittal | 28 June 2013 | Post-Shutdown Decommissioning Activities Report Submittal | Reactor Vessel Water Level Environmental Justice |
| TMI-12-148, Plant-Specific Path and Schedule for Resolution of Generic Letter 2004-02 | 16 May 2013 | Plant-Specific Path and Schedule for Resolution of Generic Letter 2004-02 | Coatings Foreign Material Exclusion |
| IR 05000456/2013202 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| ML13008A219 | 31 January 2013 | U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000454/2013202 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000461/2013201 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000237/2013202 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000373/2013201 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000352/2013201 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000219/2013201 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000277/2013201 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000254/2013201 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000272/2013201 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| IR 05000289/2013201 | 31 January 2013 | Exelon Generation Co., LLC, U.S. Nuclear Regulatory Commission (NRC) Office of Investigations (01) Investigation; Summary of 01 Report No. 3-2010-034; NRC Inspection Report Conference Letter - Licensee | |
| RS-12-175, Report No. 12Q0108.70-R-001, Rev. 1, Seismic Walkdown Report in Response to the 50.54(f) Information Request Regarding Fukushima Near-Term Task Force Recommendation 2.3: Seismic for Three Mile Island Unit 1, Cover Through Page B-209 | 7 November 2012 | Report No. 12Q0108.70-R-001, Rev. 1, Seismic Walkdown Report in Response to the 50.54(f) Information Request Regarding Fukushima Near-Term Task Force Recommendation 2.3: Seismic for Three Mile Island Unit 1, Cover Through Page B-209 | Safe Shutdown Unanalyzed Condition Boric Acid Packing leak Ultimate heat sink Safe Shutdown Earthquake Probabilistic Risk Assessment Arc flash Finite Element Analysis B.5.b Fukushima Dai-Ichi Design basis earthquake Frazil ice Earthquake Control of Heavy Loads Scaffolding Weak link Seismic Walkdown Report |