Category:NRC Information Notice
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information notices
Pages in category "NRC Information Notice"
The following 200 pages are in this category, out of 1,780 total.
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- Information Notice 1979-01, Bergen-Paterson Hydraulic Shock & Sway Arrestors (HSSA)
- Information Notice 1979-01, Bergen-Paterson Hydraulic Shock & Sway Arrestors (Hssa)
- Information Notice 1979-03, Limitorque Valve Geared Limit Switch Lubricant
- Information Notice 1979-04, Degradation of Engineered Safety Features
- Information Notice 1979-05, Use of Improper Materials in Safety-Related Components
- Information Notice 1979-06, Stress Analysis of Safety-Related Piping
- Information Notice 1979-07, Rupture of Radwaste Tanks
- Information Notice 1979-08, Interconnection of Contaminated Systems With Service Air Systems Used As Source of Breathing Air
- Information Notice 1979-08, Interconnection of Contaminated Systems with Service Air Systems Used as Source of Breathing Air
- Information Notice 1979-09, Spill of Radioactively Contaminated Resin
- Information Notice 1979-12A, Attempted Damage to New Fuel Assemblies
- Information Notice 1979-19, Pipe Cracks in Stagnant Borated Water Systems at PWR Plants
- Information Notice 1979-20, NRC Enforcement Policy - NRC Licensed Individuals
- Information Notice 1979-21, Transportation & Commercial Burial of Radioactive Material
- Information Notice 1979-22, Qualification of Control Systems
- Information Notice 1979-24, Overpressurization of Containment of a PWR Plant After a Main Steam Line Break
- Information Notice 1979-25, Reactor Trips at Turkey Point Units 3 & 4
- Information Notice 1979-26, Breach of Containment Integrity
- Information Notice 1979-28, Overloading of Structural Elements Due to Pipe Support Loads
- Information Notice 1979-29, Loss of Nonsafety-Related Reactor Coolant System Instrumentation During Operation
- Information Notice 1979-30, Reporting of Defects & Noncompliances, 10 CFR Part 21
- Information Notice 1979-31, Use of Incorrect Amplified Response Spectra
- Information Notice 1979-32, Separation of Electrical Cables for HPCI and ADS
- Information Notice 1979-33, Improper Closure of Primary Containment Equipment Access Matches
- Information Notice 1979-34, Inadequate Design of Safety-Related Heat Exchangers
- Information Notice 1979-35, Control of Maintenance & Essential Equipment
- Information Notice 1979-36, Computer Code Defect in Stress Analysis of Piping Elbow
- Information Notice 1979-37, Cracking in Low Pressure Turbine Discs
- Information Notice 1980-03, Main Turbine Electrohydraulic Control System
- Information Notice 1980-05, Chloride Contamination of Safety Related Piping & Components
- Information Notice 1980-06, Notification of Significant Events at Operating Power Reactor Facilities
- Information Notice 1980-07, Pump Shaft Fatigue Cracking
- Information Notice 1980-08, The States Company Sliding Link Electrical Terminal Block
- Information Notice 1980-08, the States Company Sliding Link Electrical Terminal Block
- Information Notice 1980-09, Possible Occupational Health Hazard Associated with Closed Cooling Systems for Operating Power Plants
- Information Notice 1980-10, Partial Loss of Non-Nuclear Instrument System Power Supply During Operation
- Information Notice 1980-11, Generic Problems with Asco Valves in Nuclear Applications Including Fire Protection Systems
- Information Notice 1980-12, Instrument Failure Causes Opening of Porv & Block Valve
- Information Notice 1980-13, General Electric Type Sbm Control Switches Defective CAM Followers
- Information Notice 1980-14, Safety Suggestions from Employees
- Information Notice 1980-15, Axial (longitudinal) Oriented Cracking in Piping
- Information Notice 1980-15, Axial (Longitudinal) Oriented Cracking in Piping
- Information Notice 1980-16, Shaft Seal Packing Causes Binding in Main Steam Swing Disc Check & Isolation Valves
- Information Notice 1980-19, Niosh Recall of Recirculating-Mode (closed Circuit) Self-Contained Breathing Apparatus (rebreather)
- Information Notice 1980-19, Niosh Recall of Recirculating-Mode (Closed Circuit) Self-Contained Breathing Apparatus (Rebreather)
- Information Notice 1980-20, Loss of Decay Heat Removal Capability at Davis-Besse Unit 1 While in a Refueling Mode
- Information Notice 1980-21, Anchorage & Support of Safety-Related Electrical Equipment
- Information Notice 1980-22, Breakdowns in Contamination Control Programs
- Information Notice 1980-25, Transportation of Pyrophoric Uranium
- Information Notice 1980-26, Evaluation of Contractor QA Programs
- Information Notice 1980-27, Degradation of Reactor Coolant Pump Studs
- Information Notice 1980-29, Broken Studs on Terry Turbine Steam Inlet Flange
- Information Notice 1980-31, Maloperation of Gould-Brown Boveri 480 Volt-Type K-6005 & K-Don 6005 Circuit Breakers
- Information Notice 1980-34, Boron Dilution of Reactor Coolant During Steam Generator Decontamination
- Information Notice 1980-37, Containment Cooler Leaks & Reactor Cavity Flooding at Indian Point Unit 2
- Information Notice 1980-38, Cracking in Charging Pump Casing Cladding
- Information Notice 1980-39, Malfunction of Solenoid Valves Manufactured by Valcor Engineering Corp
- Information Notice 1980-40, Excessive Nitrogen Supply Pressure Actuates Safety-Relief Valve Operation to Cause Reactor Depressurization
- Information Notice 1980-41, Failure of Swing Check Valve in Decay Heat Removal System at Davis Besse Unit No.1
- Information Notice 1980-42, Effect of Radiation on Hydraulic Snubber Fluid
- Information Notice 1980-43, Failures of Continuous Water Level Monitor for Scram Discharge Volume at Dresden Unit No.2
- Information Notice 1981-27, Flammable Gas Mixtures in the Waste Gas Decay Tanks in PWR Plants
- Information Notice 1982-28, Hydrogen Explosion While Grinding in the Vicinity of Drained and Open Reactor Coolant System
- Information Notice 1982-53, Main Transformer Failures at North Anna Nuclear Power Station
- Information Notice 1983-41, Actuation of Fire Suppression System Causing Inoperability of Safety Related Equipment
- Information Notice 1983-69, Improperly Installed Fire Dampers at Nuclear Power Plants
- Information Notice 1983-83, Use of Portable Radio Transmitters Inside Nuclear Power Plants
- Information Notice 1984-09, Lessons Learned from NRC Inspections of Fire Protection Safe Shutdown Systems (10 CFR 50, Appendix R)
- Information Notice 1984-16, Failure of Automatic Sprinkler System Valves to Operate
- Information Notice 1984-42, Equipment Availability for Conditions During Outages Not Covered by Technical Specifications
- Information Notice 1984-92, Cracking of Flywheels on Cummins Fire Pump Diesel Engines
- Information Notice 1985-01, Continuous Supervision of Irradiators
- Information Notice 1985-02, Improper Installation and Testing of Differential Pressure Transmitters
- Information Notice 1985-03, Separation of Primary Reactor Coolant Pump Shaft and Impeller
- Information Notice 1985-04, Inadequate Management of Security Response Drills
- Information Notice 1985-05, Pipe Whip Restraints
- Information Notice 1985-06, Contamination of Breathing Air Systems
- Information Notice 1985-07, Contaminated Radiography Source Shipments
- Information Notice 1985-08, Industry Experience on Certain Materials Used in Safety-Related Equipment
- Information Notice 1985-09, Isolation Transfer Switches and Post-Fire Shutdown Capability
- Information Notice 1985-10, Posttensioned Containment Tendon Anchor Head Failure
- Information Notice 1985-11, Licensee Programs for Inspection of Electrical Raceway and Cable Installations
- Information Notice 1985-12, Recent Fuel Handling Events
- Information Notice 1985-13, Consequences of Using Soluble Dams
- Information Notice 1985-14, Failure of a Heavy Control Rod (B4C) Drive Assembly to Insert on a Trip Signal
- Information Notice 1985-15, Nonconforming Structural Steel for Safety-Related Use
- Information Notice 1985-16, Time/Current Trip Curve Discrepancy of ITE/Siemens-Allis Molded Case Circuit Breaker
- Information Notice 1985-17, Possible Sticking of Asco Solenoid Valves
- Information Notice 1985-18, Failures of Undervoltage Output Circuit Boards in the Westinghouse-Designed Sold State Protection System
- Information Notice 1985-19, Alleged Falsification of Certifications and Alteration of Markings on Piping, Valves, and Fittings
- Information Notice 1985-20, Motor-Operated Valve Failures Due to Hampering Effect
- Information Notice 1985-21, Main Steam Isolation Valve Closure Logic
- Information Notice 1985-22, Failure of Limitorque Motor-Operated Valves Resulting from Incorrect Installation of Pinion Gear
- Information Notice 1985-23, Inadequate Surveillance and Postmaintenance and Postmodification System Testing
- Information Notice 1985-24, Failures of Protective Coatings in Pipes and Heat Exchangers
- Information Notice 1985-25, Consideration of Thermal Conditions in the Design and Installation of Supports for Diesel Generator Exhaust Silencers
- Information Notice 1985-26, Vacuum Relief System for Boiling Water Reactor Mark I and Mark II Containments
- Information Notice 1985-27, Notifications to the NRC Operations Center and Reporting Events in Licensee Event Reports
- Information Notice 1985-28, Partial Loss of AC Power and Diesel Generator Degradation
- Information Notice 1985-30, Microbiologically Induced Corrosion of Containment Service Water System
- Information Notice 1985-31, Buildup of Enriched Uranium in Ventilation Ducts and Associated Effluent Treatment Systems
- Information Notice 1985-32, Recent Engine Failures of Emergency Diesel Generators
- Information Notice 1985-33, Undersized Nozzle-To-Shell Welded Joints in Tanks and Heat Exchangers Constructed Under the Rules of the ASME Boiler and Pressure Vessel Code
- Information Notice 1985-34, Heat Tracing Contributes to Corrosion Failure of Stainless Steel Piping
- Information Notice 1985-35, Failure of Air Check Valves To Seat
- Information Notice 1985-35, Failure of Air Check Valves to Seat
- Information Notice 1985-37, Chemical Cleaning of Steam Generators at Millstone 2
- Information Notice 1985-38, Loose Parts Obstruct Control Rod Drive Mechanism
- Information Notice 1985-39, Auditability of Electrical Equipment Qualification Records at Licensees' Facilities
- Information Notice 1985-40, Deficiencies in Equipment Qualification Testing and Certification Process
- Information Notice 1985-43, Radiography Events at Power Reactors
- Information Notice 1985-44, Emergency Communication System Monthly Test
- Information Notice 1985-46, Clarification of Several Aspects of Removable Radioactive Surface Contamination Limits for Transport Packages
- Information Notice 1985-47, Potential Effect of Line-Induced Vibration on Certain Target Rock Solenoid-Operated Valves
- Information Notice 1985-48, Respirator Users Notice: Defective Self Contained Breathing Apparatus Air Cylinders
- Information Notice 1985-49, Relay Calibration Problem
- Information Notice 1985-50, Complete Loss of Main and Auxiliary Feedwater at a PWR Designed by Babcock & Wilcox
- Information Notice 1985-51, Inadvertent Loss or Improper Actuation of Safety-Related Equipment
- Information Notice 1985-52, Errors in Dose Assessment Computer Codes and Reporting Requirements Under 10 CFR Part 21
- Information Notice 1985-53, Performance of NRC-Licensed Individuals While on Duty
- Information Notice 1985-54, Teletherapy Unit Malfunction
- Information Notice 1985-55, Revised Emergency Exercise Frequency Rule
- Information Notice 1985-56, Inadequate Environment Control for Components and Systems in Extended Storage or Layup
- Information Notice 1985-57, Lost Iridium-192 Source Resulting in the Death of Eight Persons in Morocco
- Information Notice 1985-58, Failure of a General Electric Type AK-2-25 Reactor Trip Breaker
- Information Notice 1985-59, Valve Stem Corrosion Failures
- Information Notice 1985-60, Defective Negative-Pressure, Air-Purifying, Full Facepiece Respirators
- Information Notice 1985-61, Misadministrations to Patients Undergoing Thyroid Scans
- Information Notice 1985-62, Backup Telephone Number to the NRC Operations Center
- Information Notice 1985-63, Potential for Common-Mode Failure of Standby Gas Treatment System on Loss of Off-Site Power
- Information Notice 1985-64, Bbc Brown Boveri Low-Voltage K-Line Circuit Breakers, with Deficient Overcurrent Trip Devices Models OD-4 and 5
- Information Notice 1985-65, Crack Growth in Steam Generator Girth Welds
- Information Notice 1985-66, Discrepancies Between As-Built Construction Drawings and Equipment Installations
- Information Notice 1985-67, Valve-Shaft-To-Actuator Key May Fall Out of Place When Mounted Below Horizontal Axis
- Information Notice 1985-68, Diesel Generator Failure at Calvert Cliffs Nuclear Station Unit 1
- Information Notice 1985-69, Recent Felony Conviction for Cheating on Reactor Operator Requalification Tests
- Information Notice 1985-70, Teletherapy Unit Full Calibration and Qualified Expert Requirements (10 CFR 35.23 and 10 CFR 35.24)
- Information Notice 1985-71, Containment Integrated Leak Rate Tests
- Information Notice 1985-72, Uncontrolled Leakage of Reactor Coolant Outside Containment
- Information Notice 1985-73, Emergency Diesel Generator Control Circuit Logic Design Error
- Information Notice 1985-74, Station Battery Problems
- Information Notice 1985-75, Improperly Installed Instrumentation, Inadequate Quality Control and Inadequate Postmodification Testing
- Information Notice 1985-76, Recent Water Hammer Events
- Information Notice 1985-77, Possible Loss Emergency Notification System Due to Loss of AC Power
- Information Notice 1985-78, Event Notification
- Information Notice 1985-79, Inadequate Communications Between Maintenance, Operations, and Security Personnel
- Information Notice 1985-80, Timely Declaration of an Emergency Class, Implementation of an Emergency Plan, and Emergency Notifications
- Information Notice 1985-81, Problems Resulting in Erroneously High Reading with Panasonic 800 Series Thermoluminescent Dosimeters
- Information Notice 1985-82, Diesel Generator Differential Protection Relay Not Seismically Qualified
- Information Notice 1985-83, Potential Failures of General Electric PK-2 Test Blocks
- Information Notice 1985-84, Inadequate Inservice Testing of Main Steam Isolation Valves
- Information Notice 1985-85, Systems Interaction Event Resulting in Reactor System Safety Relief Valve Opening Following a Fire-Protection Deluge System Malfunction
- Information Notice 1985-86, Lightning Strikes at Nuclear Power Generating Stations
- Information Notice 1985-87, Hazards of Inerting Atmospheres
- Information Notice 1985-88, Licensee Control of Contracted Services Providing Training
- Information Notice 1985-89, Potential Loss of Solid-State Instrumentation Following Failure of Control Room Cooling
- Information Notice 1985-91, Load Sequencers for Emergency Diesel Generators
- Information Notice 1985-92, Surveys of Wastes Before Disposal from Nuclear Reactor Facilities
- Information Notice 1985-93, Westinghouse Type Ds Circuit Breakers, Potential Failure of Electric Closing Feature Because of Broxen Spring Release Latch Lever
- Information Notice 1985-97, Jail Term for Former Contractor Employee Who Intentionally Falsified Welding Inspection Records, Attachment 1 to NRC Information Notice 1986-054
- Information Notice 1986-01, Failure of Main Feedwater Check Valves Causes Loss of Feedwater System Integrity and Water-Hammer Damage
- Information Notice 1986-02, Failure of Valve Operator Motor During Environmental Qualification Testing
- Information Notice 1986-03, Potential Deficiencies in Enviromental Qualification of Limitorque Motor Valve Operator Wiring
- Information Notice 1986-04, Transient Due to Loss of Power to Intergrated Control System at a Pressurized Water Reactor Designed by Babcock & Wilcox
- Information Notice 1986-05, Main Steam Safety Valve Test Failures and Ring Setting Adjustments
- Information Notice 1986-06, Failure of Lifting Rig Attachment, while Lifting Upper Guide Structure at St. Lucie Unit 1
- Information Notice 1986-06, Failure of Lifting Rig Attachment, While Lifting Upper Guide Structure at St. Lucie Unit 1
- Information Notice 1986-07, Lack of Detailed Instruction & Inadequate Observance of Precautions During Maintenance & Testing of Diesel Generator Woodward Governors
- Information Notice 1986-08, Licensee Event Report (LER) Format Modification
- Information Notice 1986-09, Failure of Check & Stop Check Valves Subjected to Low Flow Conditions
- Information Notice 1986-10, Degradation of Reactor Coolant System Pressure Boundary Resulting From Boric Acid Corrosion.
- Information Notice 1986-10, Degradation of Reactor Coolant System Pressure Boundary Resulting from Boric Acid Corrosion.
- Information Notice 1986-10, Feedwater Line Break
- Information Notice 1986-11, Anomalous Behavior of Recirculation Loop Flow in Jet Pump BWR Plants
- Information Notice 1986-13, Standby Liquid Control Squib Valves Failure to Fire
- Information Notice 1986-13, Standby Liquid Control System Squib Valves Failure to Fire
- Information Notice 1986-14, Overspeed Trips of AFW, HPCI & RCIC Turbines
- Information Notice 1986-14, Overspeed Trips of Afw, HPCI & RCIC Turbines
- Information Notice 1986-15, Loss of Offsite Power Caused by Problems in Fiber Optics Systems
- Information Notice 1986-16, Failures to Identify Containment Leakage Due to Inadequate Local Testing of BWR Vacuum Relief System Valves
- Information Notice 1986-17, Update of Failure of Automatic Sprinkler System Valves to Operate
- Information Notice 1986-18, NRC On-Scene Response During a Major Emergency
- Information Notice 1986-19, Reactor Coolant Pump Shaft Failure at Crystal River
- Information Notice 1986-20, Low-Level Radioactive Waste Scaling Factors, 10 CFR Part 61
- Information Notice 1986-21, Recognition of American Society of Mechanical Engineers Accreditation Program for N Stamp Holders
- Information Notice 1986-22, Underresponse of Radiation Survey Instrument to High Radiation Fields
- Information Notice 1986-23, Excessive Skin Exposures due to Contamination with Hot Particles
- Information Notice 1986-23, Excessive Skin Exposures Due to Contamination with Hot Particles
- Information Notice 1986-24, Respirator Users Notice: Increased Inspection Frequency for Certain Self-Contained Breathing Apparatus Air Cylinders
- Information Notice 1986-25, Traceability and Material Control of Material and Equipment, Particularly Fasteners
- Information Notice 1986-26, Potential Problems in Generators Manufactured by Electrical Products Incorporated
- Information Notice 1986-27, Access Control at Nuclear Facilities
- Information Notice 1986-28, Telephone Numbers to the NRC Operations Center and Regional Offices
- Information Notice 1986-29, Effects of Changing Valve Moter-Operator Switch Settings
- Information Notice 1986-30, Design Limitations of Gaseous Effluent Monitoring Systems
- Information Notice 1986-31, Unauthorized Transfer and Loss of Control of Industrial Nuclear Gauges
- Information Notice 1986-32, Request for Collection of Licensee Radioactivity Measurements Attributed to Chernobyl Nuclear Plant Accident
- Information Notice 1986-33, Information for Licensee Regarding the Chernobyl Nuclear Plant Accident
- Information Notice 1986-34, Improper Assembly, Material Selection, & Test of Valves & their Actuators
- Information Notice 1986-34, Improper Assembly, Material Selection, & Test of Valves & Their Actuators