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Letter, License-Operating (New/Renewal/Amendments) DKT 50  and Safety Evaluation

05000443  +  and 00443  +

Regulatory Guide 1.177 +, Regulatory Guide 1.200 +, Regulatory Guide 1.174 +, ML100270582 +, ML122860402 +, ML12193A107 +, ML071200238 +, ML13212A069 +, SBK-L-14052, NextEra Energy Seabrook, LLC Seismic Hazard and Screening Report (CEUS Sites) Response to NRC Request for Information Per 10 CFR 50.54(f) Regarding Recommendation 2.1 of the Near-Term Task Force Review of Insights from the Fukushima Dai- +, ML17062A466 +, TSTF-18-07, TSTF Comments on Draft Safety Evaluation for Traveler TSTF-505, Provide Risk-Informed Extended Completion Times and Submittal of TSTF-505, Revision 2 +, ML18120A069 +, ML18269A041 +, SBK-L-12242, Enclosure to SBK-L-12242, Seismic Walkdown Report in Response to the 50.54(f) Information Request Regarding Fukushima Near-Term Task Force Recommendation 2.3: Seismic +, ML19231A182 +, L-2025-015, NextEra Energy Seabrook Station, License Amendment Request 25-01, Revise Technical Specifications to Adopt Risk Informed Completion Times TSTF-505, Revision 2, Provide Risk Informed Extended Completion Times - RITSTF Initiative 4b +, L-2025-041, Application to Adopt 10 CFR 50.69, Risk-informed Categorization and Treatment of Structures, Systems and Components for Nuclear Power Reactors +, ML25219A763 +, L-2025-149, Response to Requests for Additional Information Regarding Seabrook License Amendment Requests to Adopt TSTF-505, Revision 2, Provide Risk Informed Extended Completion Time - RITSTF Initiative 4b, and 10 CFR 50.69. +, ML25338A240 +, ML07038228 +  and ML25132A063 +

Reactor Trip +  and Turbine Trip +

V Sreenivas +  and Plant Licensing Branch I +

ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +, ML25338A240 +...

5.555556e-4 d (0.0133 hours, 7.936508e-5 weeks, 1.8264e-5 months)  +, 6.944444e-5 d (0.00167 hours, 9.920635e-6 weeks, 2.283e-6 months)  +, 8.333333e-4 d (0.02 hours, 1.190476e-4 weeks, 2.7396e-5 months)  +, 1.388889e-4 d (0.00333 hours, 1.984127e-5 weeks, 4.566e-6 months)  +, 4.62963e-5 d (0.00111 hours, 6.613757e-6 weeks, 1.522e-6 months)  +, 2.777778e-4 d (0.00667 hours, 3.968254e-5 weeks, 9.132e-6 months)  +, 1.157407e-5 d (2.777778e-4 hours, 1.653439e-6 weeks, 3.805e-7 months)  +, 3.472222e-4 d (0.00833 hours, 4.960317e-5 weeks, 1.1415e-5 months)  +, 2.314815e-5 d (5.555556e-4 hours, 3.306878e-6 weeks, 7.61e-7 months)  +  and 9.259259e-5 d (0.00222 hours, 1.322751e-5 weeks, 3.044e-6 months)  +

Fire Barrier +, SBK-L-05226, Completion of License Condition 2.K +, L-2025-015, NextEra Energy Seabrook Station, License Amendment Request 25-01, Revise Technical Specifications to Adopt Risk Informed Completion Times TSTF-505, Revision 2, Provide Risk Informed Extended Completion Times - RITSTF Initiative 4b +  and L-2025-149, Response to Requests for Additional Information Regarding Seabrook License Amendment Requests to Adopt TSTF-505, Revision 2, Provide Risk Informed Extended Completion Time - RITSTF Initiative 4b, and 10 CFR 50.69. +

NEI 06-09, Risk-Managed Technical Specifications (RMTS) Guidelines +  and NEI 17-07 +

NUREG-1431 +, NUREG-1386 +, NUREG-1855, Summary of 7/18/19 Public Meeting with Nuclear Energy Institute to Discuss Application of NUREG-1855, Guidance on the Treatment of Uncertainties Associated with PRAs in Risk-Informed Decision Making +  and NUREG-0800, Document for February 22, 2024 ACRS Digital I&C Subcommittee Meeting +

ML25338A240 +  and ML25338A240 +

EPID:L-2025-LLA-0025 +  and TAC:MF1958 +

Regulatory Guide 1.177 +, Regulatory Guide 1.200 +, Regulatory Guide 1.174 +  and Regulatory Guide 1.160 +

SR-4.6.3.1 +, SR-4.7.3 +, SR-4.7.1.5 +, SR-4.7.1.6 +, SR-4.6.2.1 +, SR-4.8.2.1 +, SR-4.7.4.1 +, SR-4.8.3.1 +  and SR-4.7.4.2 +

1E-4 +  and 1E-5 +

Massachusetts +, New York +, Florida +  and New Hampshire +

Steam Generator +, Reactor Coolant System +, Feedwater +, Service water +, Auxiliary Feedwater +, Primary containment +, Residual Heat Removal +, Emergency Core Cooling System +, Decay Heat Removal +, Main Steam Line +, Control Rod +  and Containment Spray +

TS-3.8.3.1 +, TS-3.6.3 +, TS-3.8.1.1 +, TS-3.8.2.1 +, TS-3.3.2 +, TS-3.6.1.7 +, TS-3.3.1 +, TS-3.0.4.b +, TS-3.6.1.2 +, TS-3.4.1.3 +  and TS-6.7.6.p +

Coffey R +  and NextEra Energy +

High Radiation Area +, Internal Flooding +, Probabilistic Risk Assessment +, FLEX +, Fukushima Dai-Ichi +, Surveillance Frequency Control Program +, Large early release frequency +, Maintenance Rule Program +, Offsite Circuit +  and Gas accumulation +