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Letter  and Safety Evaluation

Hydrogen +  and Nitrogen +

SECY-11-0093 +, SRM-COMSECY-14-0037 +, SECY-12-0025 +, SECY-16-0142, Final Rule: Mitigation of Beyond-Design-Basis Events Backfitting and Issue Finality Assessment +, L-003447 +, L-004000 +, L-003448 +, L-003969 +, L-003961 +, L-003968 +, L-003911 +, L-003913 +  and COMSECY-14-0037, Enclosure 3 - Non-Concurrence Process Record for NCP-2014-010 +

05000373  +, 05000374  +  and 00373  +

ML12054A736 +, ML12053A340 +, ML11186A950 +, ML12054A679 +, ML16301A005 +, ML13234A503 +, ML14265A107 +, ML12240A307 +, ML12221A339 +, ML14083A620 +, ML14211A346 +, ML14309A256 +, ML15089A236 +, ML15174A257 +, ML16005A625 +, ML15357A163 +, ML12039A103 +, ML15257A188 +, ML082900195 +, ML13273A514 +, ML13267A382 +, ML120690347 +, ML13276A573 +, ML13276A224 +, ML16355A418 +, ML13275A318 +, ML16354B421 +, ML17005A188 +, ML13130A067 +, RS-17-094, Ninth Six-Month Status Report in Response to March 12, 2012 Commission Order Modifying Licenses with Regard to Requirements for Mitigation Strategies for Beyond-Design-Basis External Events (Order No. EA-12-049) +...

EC-396069 +, EC-396062 +, EC-392331 +, EC-392196 +, EC-398941 +, EC-400694 +, EC-400418 +, EC-389688 +  and EC-389689 +

81 FR 10283 +  and 77 FR 55232 +

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

ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +, ML18219B835 +...

1.388889e-4 d (0.00333 hours, 1.984127e-5 weeks, 4.566e-6 months)  +, 0.00142 d (0.0342 hours, 2.03373e-4 weeks, 4.68015e-5 months)  +, 5.787037e-5 d (0.00139 hours, 8.267196e-6 weeks, 1.9025e-6 months)  +, 9.259259e-5 d (0.00222 hours, 1.322751e-5 weeks, 3.044e-6 months)  +, 6.944444e-5 d (0.00167 hours, 9.920635e-6 weeks, 2.283e-6 months)  +, 2.777778e-4 d (0.00667 hours, 3.968254e-5 weeks, 9.132e-6 months)  +, 4.62963e-5 d (0.00111 hours, 6.613757e-6 weeks, 1.522e-6 months)  +, 1.157407e-5 d (2.777778e-4 hours, 1.653439e-6 weeks, 3.805e-7 months)  +, 9.953704e-4 d (0.0239 hours, 1.421958e-4 weeks, 3.2723e-5 months)  +, 8.333333e-4 d (0.02 hours, 1.190476e-4 weeks, 2.7396e-5 months)  +, 8.101852e-5 d (0.00194 hours, 1.157407e-5 weeks, 2.6635e-6 months)  +, 5.324074e-4 d (0.0128 hours, 7.60582e-5 weeks, 1.7503e-5 months)  +, 1.50463e-4 d (0.00361 hours, 2.149471e-5 weeks, 4.9465e-6 months)  +, 1.273148e-4 d (0.00306 hours, 1.818783e-5 weeks, 4.1855e-6 months)  +, 3.472222e-5 d (8.333333e-4 hours, 4.960317e-6 weeks, 1.1415e-6 months)  +  and 6.944444e-4 d (0.0167 hours, 9.920635e-5 weeks, 2.283e-5 months)  +

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 +  and JLD-ISG-2012-03 +

L-003447 +, L-004000 +, L-003448 +, L-003969 +, L-003961 +, L-003968 +, L-003911 +  and L-003913 +

ML13234A503 +, ML16355A418 +, ML13134A093 +, ML15061A054 +, ML15104A727 +, ML13060A356 +, ML13275A145 +, RS-14-199, Third Six-Month Status Report in Response to March 12, 2012 Commission Order Modifying Licenses with Regard to Reliable Spent Fuel Pool Instrumentation (Order Number EA-12-051) +, ML13338A612 +, ML13276A492 +, RS-13-158, Response to Request for Additional Information - Overall Integrated Plan in Response to Commission Order Modifying License Requirements for Reliable Spent Fuel Pool Instrumentation (Order No. EA-12-051) +, IR 05000373/2018002 +  and CAC:MF7839 +

General Electric +  and Westinghouse +

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 +  and NEI 12-02 +

NUREG/CR-7005 +  and 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 +

Bryan Hanson +, Jason Paige +, William Dean +, Tekia Govan +, Blake Purnell +, Peter Bamford +, David Helker +  and Nicholas Difrancesco +

CP +  and Emergency Operating Procedure +

Regulatory Guide 1.92 +  and Regulatory Guide 1.100 +

SECY-11-0093 +, SECY-12-0025 +  and SECY-16-0142, Final Rule: Mitigation of Beyond-Design-Basis Events Backfitting and Issue Finality Assessment +

135X-3 +, 236X-3 +, 2DC14E-125 +  and 2DC01E-250 +

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

Secondary containment +, Emergency Diesel Generator +, Reactor Core Isolation Cooling +, Primary containment +, Shutdown Cooling +, Reactor Recirculation Pump +, HVAC +, Reactor Pressure Vessel +, Residual Heat Removal +, Automatic Depressurization System +, Remote shutdown +, Decay Heat Removal +, Safety Relief Valve +, Main Condenser +, Control Rod +  and Low Pressure Coolant Injection +

Bryan Hanson +  and Exelon +

Safe Shutdown +, Boric Acid +, High winds +, Shutdown Margin +, High Radiation Area +, Ultimate heat sink +, Tornado Missile +, Time to boil +, Safe Shutdown Earthquake +, Emergency Lighting +, Locked High Radiation Area +, FLEX +, Tornado-Generated Missile +, Fukushima Dai-Ichi +, Spent Fuel Pool Instrumentation +, Flood Hazard Mitigation Strategies Assessment +, Earthquake +, Fire Protection Program +, GOTHIC +, Diurnal +, Spent fuel rack +  and Gas accumulation +