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The U.S. Nuclear Regulatory Commission is in the process of rescinding or revising guidance and policies posted on this webpage in accordance with Executive Order 14151 Ending Radical and Wasteful Government DEI Programs and Preferencing, and Executive Order 14168 Defending Women From Gender Ideology Extremism and Restoring Biological Truth to the Federal Government. In the interim, any previously issued diversity, equity, inclusion, or gender-related guidance on this webpage should be considered rescinded that is inconsistent with these Executive Orders.

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Callaway Plant Unit No. 1 Approved Power Uprate Application Information

The following table refers to NRC-approved power uprate applications. The table shows the ADAMS accession number for (1) each plant's power uprate application, (2) any supplement to the application, and (3) the license amendment approving the application and allo...

Information Notice No.80-25 – Transportation of Pyrophoric Uranium

SSINS No.: 6870 Accession No.: 8005050046 UNITED STA...

IE Circular No. 80-24, AECL Teletherapy Unit Malfunctions

SSINS: 6830 Accession No.: 8008220264 ...

IE Circular No. 80-22, Confirmation of Employee Qualifications

SSINS: 6830 Accession No.: 8006190055 ...

Information Notice No. 81-04: Cracking in Main Steam Lines

SSINS No.: 6835 Accession No.: 8011040265 ...

Information Notice No.80-06 – Notification of Significant Events

SSINS No.: 6870 Accession No.: 7912190679 UNITED STATES ...

Information Notice No.80-03 - Main Turbine Electrohydraulic Control System

SSINS No.: 6870 Accession No.: 7912190666 UNITED STATES ...

Information Notice No. 81-02: Transportation of Radiography Devices

SSINS No.: 6870 Accession No.: 808220287 ...

Information Notice No. 81-16: Control Rod Drive System Malfunctions

SSINS No.: 6835 Accession No.: 8103300372 ...

IE Circular No. 79-25 - Shock Arrestor Strut Assembly Interference

CR79025 UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D. C. 20555 December 14, 1979 ...

Information Notice No. 81-05: Degraded DC System at Palisades

SSINS No.: 6835 Accession No.: 8011040271 ...

Information Notice No. 79-26, Breach of Containment Integrity

IN79026 UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D. C. 20555 November 1, 1979 MEMORANDUM FOR: ...

IE Circular No. 81-07, Control of Radioactively Contaminated Material

SSINS: 6830 Accession No.: 8103300375 ...

Information Notice No. 82-07: Inadequate Security Screening Programs

SSINS No.: 6835 Accession No.: 8202040112 ...

IE Circular No. 81-03, Inoperable Seismic Monitoring Instrumentation

SSINS No.: 6830 Accession No.: 8008220271 ...

Information Notice No. 91-51: Inadequate Fuse Control Programs

UNITED STATES NUCLEAR REGULATORY COMMISSION OFFICE OF NUCLEAR REACTOR REGULATION WASHINGTON, D.C. 20555August 20, 1991Addressees:Purpose:Description of Circumstances:Discussion:Addressees:All holders of operating licenses or construction permits for nuclear power reactors.P...

Information Notice No. 79-22, Qualification of Systems

IN79022 September 14, 1979 MEMORANDUM FOR: B. H. Grier, Director, RI J. P. O'Reilly, Director, RII J. G. Keppler, Director, RIII K. V. Seyfrit, Director, RIV ...

Information Notice No. 81-30: Velan Swing Check Valves

SSINS No. 6835 Accession No.: 8107230027 ...

Information Notice No. 91-57: Operational Experience on Bus Transfers

UNITED STATES NUCLEAR REGULATORY COMMISSION OFFICE OF NUCLEAR REACTOR REGULATION WASHINGTON, D.C. 20555 September 19, 1991 NRC INFO...

Information Notice No. 85-07: Contaminated Radiography Source Shipments

SSINS No.: 6835 IN 85-07 UNITED STATES NUCLEAR REGULATORY COMMISSION ...

Information Notice No. 83-33: Nonrepresentative Sampling of Contaminated Oil

SSINS No. 6835 IN 83-33 UNITED STATES NUCLEAR REGULATORY COMMISSION OF...

Information Notice No. 83-23: Inoperable Containment Atmosphere Sensing Systems

SSINS No.: 6835 IN 83-23 UNITED STATES NUCLEAR REGULATORY COMMISSION OFF...

Information Notice No. 79-04, Degradation of Engineered Safety Features

IN79004 February 14, 1979 MEMORANDUM FOR: B. H. Grier, Director, Region I J. P. O'Reilly, Director, Region II J. G. Keppler, Director, Region III K. V. Seyfrit, D...

Information Notice No. 86-91: Limiting Access Authorizations

SSINS No.: 6385 IN 86-91 UNITED STATES NUCLEAR REGULATORY COMMISSION OF...

Information Notice No. 90-34: Response to False Siren Activations

UNITED STATES NUCLEAR REGULATORY COMMISSION OFFICE OF NUCLEAR REACTOR REGULATION WASHINGTON, D.C. 20555 May 10, 1990 Information...