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 Issue dateTitleTopic
Information Notice 2007-05, Vertical Deep Draft Pump Shaft and Coupling Failures9 February 2007Vertical Deep Draft Pump Shaft and Coupling FailuresUltimate heat sink
Information Notice 2002-34, Failure of Safety-Related Circuit Breaker External Auxiliary Switches at Columbia Generating Station25 November 2002Failure of Safety-Related Circuit Breaker External Auxiliary Switches at Columbia Generating Station
Information Notice 1999-28, Recall of Star Brand Fire Protection Sprinkler Heads30 September 1999Recall of Star Brand Fire Protection Sprinkler HeadsEnforcement Discretion
Brachytherapy
Information Notice 1999-27, Malfunction of Source Retraction Mechanism in Cobalt-60 Teletherapy Treatment Units2 September 1999Malfunction of Source Retraction Mechanism in Cobalt-60 Teletherapy Treatment UnitsEnforcement Discretion
Brachytherapy
Information Notice 1999-26, Safety and Economic Consequences of Misleading Marketing Information24 August 1999Safety and Economic Consequences of Misleading Marketing InformationEnforcement Discretion
Brachytherapy
Information Notice 1999-25, Year 2000 Contingency Planning Activities10 August 1999Year 2000 Contingency Planning ActivitiesEnforcement Discretion
Brachytherapy
Information Notice 1999-24, Broad-Scope Licensees' Responsibilities for Reviewing and Approving Unregistered Sealed Sources and Devices12 July 1999Broad-Scope Licensees' Responsibilities for Reviewing and Approving Unregistered Sealed Sources and DevicesEnforcement Discretion
Brachytherapy
Information Notice 1999-23, Safety Concerns Related to Repeated Control Unit Failures of the Nucletron Classic Model High-Dose-Rate Remote Afterloading Brachytherapy Devices6 July 1999Safety Concerns Related to Repeated Control Unit Failures of the Nucletron Classic Model High-Dose-Rate Remote Afterloading Brachytherapy DevicesEnforcement Discretion
Brachytherapy
Information Notice 1999-22, 10CFR 34.43(a)(1); Effective Date for Radiographer Certification and Plans for Enforcement Discretion25 June 199910CFR 34.43(a)(1); Effective Date for Radiographer Certification and Plans for Enforcement DiscretionEnforcement Discretion
Brachytherapy
Information Notice 1999-21, Recent Plant Events Caused by Human Performance Errors25 June 1999Recent Plant Events Caused by Human Performance ErrorsProbabilistic Risk Assessment
Information Notice 1999-20, Contingency Planning for the Year 2000 Computer Problem25 June 1999Contingency Planning for the Year 2000 Computer ProblemBrachytherapy
Information Notice 1999-19, Rupture of the Shell Side of a Feedwater Heater at the Point Beach Nuclear Plant23 June 1999Rupture of the Shell Side of a Feedwater Heater at the Point Beach Nuclear Plant
Information Notice 1999-18, Update on Nrc'S Year 2000 Activities for Material Licensees and Fuel Cycle Licensees and Certificate Holders14 June 1999Update on Nrc'S Year 2000 Activities for Material Licensees and Fuel Cycle Licensees and Certificate HoldersBrachytherapy
Information Notice 1999-17, Problems Associated with Post-Fire Safe-Shutdown Circuit Analyses3 June 1999Problems Associated with Post-Fire Safe-Shutdown Circuit AnalysesHot Short
Safe Shutdown
Temporary Modification
Emergency Lighting
Fire Protection Program
Information Notice 1999-16, Federal Bureau of Investigation'S Nuclear Site Security Program28 May 1999Federal Bureau of Investigation'S Nuclear Site Security ProgramBrachytherapy
Information Notice 1999-15, Misapplication for 10CFR Part 71 Transportation Shipping Cask Licensing Basis to 10CFR Part 50 Design Basis27 May 1999Misapplication for 10CFR Part 71 Transportation Shipping Cask Licensing Basis to 10CFR Part 50 Design BasisBrachytherapy
Information Notice 1999-14, Unanticipated Reactor Water Draindown at Quad Cities Unit 2, Arkansas Nuclear One Unit 2, & FitzPatrick5 May 1999Unanticipated Reactor Water Draindown at Quad Cities Unit 2, Arkansas Nuclear One Unit 2, & FitzPatrickReactor Vessel Water Level
Brachytherapy
Information Notice 1999-13, Insights from NRC Inspections of Low-and Medium-Voltage Circuit Breaker Maintenance Programs29 April 1999Insights from NRC Inspections of Low-and Medium-Voltage Circuit Breaker Maintenance ProgramsBrachytherapy
Information Notice 1999-12, Year 2000 Computer Systems Readiness Audits28 April 1999Year 2000 Computer Systems Readiness AuditsBrachytherapy
Information Notice 1999-11, Incidents Involving the Use of Radioactive Iodine-13116 April 1999Incidents Involving the Use of Radioactive Iodine-131Brachytherapy
Information Notice 1999-08, Urine Specimen Adulteration26 March 1999Urine Specimen AdulterationBrachytherapy
Information Notice 1999-09, Problems Encountered When Manually Editing Treatment Data on the Nucletron Microselectron-HDR (New) Model 105-99924 March 1999Problems Encountered When Manually Editing Treatment Data on the Nucletron Microselectron-HDR (New) Model 105-999Brachytherapy
Information Notice 1999-07, Failed Fire Protection Deluge Valves & Potential Testing Deficiencies in Preaction Sprinkler Systems22 March 1999Failed Fire Protection Deluge Valves & Potential Testing Deficiencies in Preaction Sprinkler SystemsSafe Shutdown
Information Notice 1999-06, 1998 Enforcement Sanctions as a Result of Deliberate Violations of NRC Employee Protection Requirements19 March 19991998 Enforcement Sanctions as a Result of Deliberate Violations of NRC Employee Protection RequirementsEnforcement Discretion
Brachytherapy
Information Notice 1999-06, 1998 Enforcement Sanctions As a Result of Deliberate Violations of NRC Employee Protection Requirements19 March 19991998 Enforcement Sanctions As a Result of Deliberate Violations of NRC Employee Protection RequirementsEnforcement Discretion
Information Notice 1999-05, Inadvertent Discharge of Carbon Dioxide Fire Protection System and Gas Migration8 March 1999Inadvertent Discharge of Carbon Dioxide Fire Protection System and Gas MigrationBrachytherapy
Information Notice 1999-04, Unplanned Radiation Exposures to Radiographers, Resulting from Failures to Follow Proper Radiation Safety Procedures1 March 1999Unplanned Radiation Exposures to Radiographers, Resulting from Failures to Follow Proper Radiation Safety ProceduresBrachytherapy
Information Notice 1999-03, Exothermic Reactors Involving Dried Uranium Oxide Powder (Yellowcake)29 January 1999Exothermic Reactors Involving Dried Uranium Oxide Powder (Yellowcake)Brachytherapy
Information Notice 1999-02, Guidance to Users on the Implementation of a New Single-Source Dose-Calculation Formalism and Revised Air-Kerma Strength Standard for Iodine-125 Sealed Sources21 January 1999Guidance to Users on the Implementation of a New Single-Source Dose-Calculation Formalism and Revised Air-Kerma Strength Standard for Iodine-125 Sealed SourcesBrachytherapy
Information Notice 1999-01, Deterioration of High-Efficiency Particulate Air Filters in a Pressurized Water Reactor Containment Fan Cooler Unit20 January 1999Deterioration of High-Efficiency Particulate Air Filters in a Pressurized Water Reactor Containment Fan Cooler Unit
Information Notice 1998-45, Cavitation Erosion of Letdown Line Orifices Resulting in Fatigue Cracking of Pipe Welds15 December 1998Cavitation Erosion of Letdown Line Orifices Resulting in Fatigue Cracking of Pipe Welds
Information Notice 1998-44, Ten-Year Inservice Inspection (ISI) Program Update for Licensees That Intend to Implement Risk-Informed ISI of Piping10 December 1998Ten-Year Inservice Inspection (ISI) Program Update for Licensees That Intend to Implement Risk-Informed ISI of PipingProbabilistic Risk Assessment
Information Notice 1998-43, Leaks in Emergency Diesel Generator Lubricating Oil & Jacket Cooling Water Piping4 December 1998Leaks in Emergency Diesel Generator Lubricating Oil & Jacket Cooling Water Piping
Information Notice 1998-42, Implementation of 10 CFR 55.55a(g) Inservice Inspection Requirements1 December 1998Implementation of 10 CFR 55.55a(g) Inservice Inspection Requirements
Information Notice 1998-41, Spurious Shutdown of Emergency Diesel Generators from Design Oversight20 November 1998Spurious Shutdown of Emergency Diesel Generators from Design Oversight
Information Notice 1998-41, Spurious Shutdown of Emergency Diesel Generators From Design Oversight20 November 1998Spurious Shutdown of Emergency Diesel Generators From Design Oversight
Information Notice 1998-39, Summary of Fitness-for-Duty Program Performance Reports for Calendar Years 1996 and 199730 October 1998Summary of Fitness-for-Duty Program Performance Reports for Calendar Years 1996 and 1997Fitness for Duty
Information Notice 1998-40, Design Deficiencies Can Lead to Reduced ECCS Pump Net Positive Suction Head During Design-Basis Accidents26 October 1998Design Deficiencies Can Lead to Reduced ECCS Pump Net Positive Suction Head During Design-Basis Accidents
Information Notice 1990-66, Incomplete Draining and Drying of Shipping Casks25 October 1998Incomplete Draining and Drying of Shipping Casks
Information Notice 1998-38, Metal-Clad Circuit Breaker Maintenance Issues Identified by NRC Inspections15 October 1998Metal-Clad Circuit Breaker Maintenance Issues Identified by NRC InspectionsOvertravel
Information Notice 1998-37, Eligibility of Operator License Applicants1 October 1998Eligibility of Operator License Applicants
Information Notice 1998-36, Inadequate or Poorly Controlled, Non-Safety-Related Maintenance Activities Unnecessarily Challenged Safety Systems18 September 1998Inadequate or Poorly Controlled, Non-Safety-Related Maintenance Activities Unnecessarily Challenged Safety Systems
Information Notice 1998-33, NRC Regulations Prohibit Agreements That Restrict or Discourage an Employee from Participating in Protected Activities28 August 1998NRC Regulations Prohibit Agreements That Restrict or Discourage an Employee from Participating in Protected ActivitiesBrachytherapy
Information Notice 1998-34, Configuration Control Errors28 August 1998Configuration Control Errors
Information Notice 1998-31, Fire Protection System Design Deficiencies and Common-Mode Flooding of Emergency Core Cooling System Rooms at Washington Nuclear Project Unit 218 August 1998Fire Protection System Design Deficiencies and Common-Mode Flooding of Emergency Core Cooling System Rooms at Washington Nuclear Project Unit 2
Information Notice 1998-30, Effect of Year 2000 Computer Problem on NRC Licensees and Certificate Holders12 August 1998Effect of Year 2000 Computer Problem on NRC Licensees and Certificate HoldersBrachytherapy
Information Notice 1998-29, Predicted Increase in Fuel Rod Cladding Oxidation3 August 1998Predicted Increase in Fuel Rod Cladding OxidationFuel cladding
Information Notice 1998-28, Development of Systematic Sample Plan for Operator Licensing Examinations31 July 1998Development of Systematic Sample Plan for Operator Licensing Examinations
Information Notice 1998-26, Settlement Monitoring and Inspection of Plant Structures Affected by Degradation of Porous Concrete Subfoundations24 July 1998Settlement Monitoring and Inspection of Plant Structures Affected by Degradation of Porous Concrete SubfoundationsCondition Adverse to Quality
Information Notice 1998-27, Steam Generator Tube End Cracking24 July 1998Steam Generator Tube End Cracking