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Letter  and Safety Evaluation

Nitrogen +, Hydrogen +  and Lead +

SECY-11-0093 +, SECY-12-0025 +  and COMSECY-14-0037, Enclosure 3 - Non-Concurrence Process Record for NCP-2014-010 +

05000259  +, 05000260  +, 05000296  +, 00259  +, 00260  +  and 00296  +

ML13143A321 +, ML12054A736 +, ML11186A950 +, ML12054A679 +, ML13234A503 +, ML14265A107 +, ML12240A307 +, ML12221A339 +, ML14083A620 +, ML14211A346 +, ML14309A256 +, ML15089A236 +, ML15174A257 +, ML12039A103 +, ML15257A188 +, ML082900195 +, ML17024A164 +, ML120690347 +, ML13241A186 +, ML13241A188 +, ML13276A573 +, ML13276A224 +, CNL-17-016, Eighth Six-Month Status Report in Response to the 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) +, ML13275A318 +, ML16354B421 +, ML163548421 +, ML13190A201 +, ML17222A328 +, ML13064A465 +, ML15069A358 +...

77 FR 55232 +, 80 FR 70610 +  and 83 FR 18089 +

Brett Titus +  and Beyond-Design-Basis Management Branch +

ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +, ML18236A331 +...

9.259259e-5 d (0.00222 hours, 1.322751e-5 weeks, 3.044e-6 months)  +, 2.199074e-4 d (0.00528 hours, 3.141534e-5 weeks, 7.2295e-6 months)  +, 1.157407e-5 d (2.777778e-4 hours, 1.653439e-6 weeks, 3.805e-7 months)  +, 1.388889e-4 d (0.00333 hours, 1.984127e-5 weeks, 4.566e-6 months)  +, 2.777778e-4 d (0.00667 hours, 3.968254e-5 weeks, 9.132e-6 months)  +, 8.333333e-4 d (0.02 hours, 1.190476e-4 weeks, 2.7396e-5 months)  +, 1.851852e-4 d (0.00444 hours, 2.645503e-5 weeks, 6.088e-6 months)  +, 3.472222e-5 d (8.333333e-4 hours, 4.960317e-6 weeks, 1.1415e-6 months)  +, 0.00139 d (0.0333 hours, 1.984127e-4 weeks, 4.566e-5 months)  +, 5.787037e-5 d (0.00139 hours, 8.267196e-6 weeks, 1.9025e-6 months)  +, 6.944444e-5 d (0.00167 hours, 9.920635e-6 weeks, 2.283e-6 months)  +, 8.101852e-5 d (0.00194 hours, 1.157407e-5 weeks, 2.6635e-6 months)  +, 1.041667e-4 d (0.0025 hours, 1.488095e-5 weeks, 3.4245e-6 months)  +  and 3.472222e-4 d (0.00833 hours, 4.960317e-5 weeks, 1.1415e-5 months)  +

JLD-ISG-2012-03 +  and JLD-ISG-2012-01, Compliance with Order EA-12-049, Order Modifying Licenses with Regard to Requirements for Mitigation Strategies for Beyond-Design-Basis External Events +

ML13234A503 +, IR 05000259/2013009 +, CAC:MF3764 +, ML15069A358 +, CAC:MF7900 +, CNL-16-174, Hydrologic Engineering Center River Analysis System (HEC-RAS) Project Milestone Status Update +, CNL-16-036, Sixth Six-Month Status Report in Response to the 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) +, ML13157A164 +, ML13206A005 +, ML13338A612 +, ML13063A436 +, CNL-18-056, Completion of Required Action for NRC Order Number EA-12-049, Requirements for Mitigation Strategies for Beyond-Design-Basis External Events +, CNL-15-139, Supplemental Response to NRC Request for Information Pursuant to Title 10 of the Code of Federal Regulations 50.54(f) Regarding Seismic Walkdown Results of Recommendation 2.3 of the Near-Term Task Force Review of Insights from +, 05000259/LER-2014-001-01, Regarding Electric Board Room Air Conditioning System Inoperable for Longer than Allowed by the Technical Specifications +  and 05000259/LER-2009-006-01, 1 for Brown Ferry, Unit 1 Regarding Inoperable High Pressure Coolant Injection Pump Due to Emergency Core Cooling System Inverter Failure +

General Electric +  and Westinghouse +

NEI 12-02 +  and NEI 12-06, Ne 12-06, Appendix H, Revision 2, H.4.3 Path 3: GMRS ≫ SSE ≪ IHS, Mitigating Strategies Assessment (MSA) Report for the New Seismic Hazard Information +

NUREG/CR-7188 +, NUREG/CR-7005 +, NUREG/CR-4461, Requests Assistance in Achieving Mod of Reg Guide 1.76 Re Tornado Design Criteria,Based on NRC Recommendation in NUREG/CR-4461 & Initial Response to EPRI Declining to Adopt ANSI/ANS-2.3-1980 Std +  and NUREG-0800, Document for February 22, 2024 ACRS Digital I&C Subcommittee Meeting +

AOP +, CP +  and Emergency Operating Procedure +

SECY-11-0093 +  and SECY-12-0025 +

Tennessee +, Arizona +, Washington +, California +, Alabama +  and Florida +

Reactor Coolant System +, High Pressure Coolant Injection +, Emergency Diesel Generator +, Main Steam Isolation Valve +, Reactor Core Isolation Cooling +, Primary containment +, Shutdown Cooling +, HVAC +, Reactor Pressure Vessel +, Core Spray +, Automatic Depressurization System +, Emergency Equipment Cooling Water +, Residual Heat Removal Service Water +, Emergency Core Cooling System +, Decay Heat Removal +, Control Rod +  and Main Steam +

TS-5.5.9 +  and TS-3.8.3 +

Tennessee Valley Authority +  and James Shea +

High winds +, Shutdown Margin +, Ultimate heat sink +, Tornado Missile +, Time to boil +, Emergency Lighting +, FLEX +, Tornado-Generated Missile +, Tornado Generated Missile +, Fukushima Dai-Ichi +, Loss of Offsite Power +, Integrated leak rate test +, Spent Fuel Pool Instrumentation +, Earthquake +, Fire Protection Program +, Control Room Habitability +, Spent fuel rack +  and Gas accumulation +