| File Name |
Date |
Description |
| in90068s1 |
04/14/1994 |
Stress Corrosion Cracking of Reactor Coolant Pump Bolts |
| in90057s1 |
11/27/1991 |
Substandard, Refurbished Potter & Brumfield Relays Represented as
New |
| in90051s1 |
10/24/1991 |
Failures of Voltage-Dropping Resistors in the Power Supply Circuitry of
Electric Governor Systems |
| in90043s1 |
03/13/1991 |
Mechanical Interference with Thermal Trip Function in GE Molded-Case Circuit
Breakers |
| in90025s1 |
03/11/1991 |
Loss of Vital AC Power with Subsequent Reactor Coolant System Heat-Up
|
| in90077s1 |
02/04/1991 |
Inadvertent Removal of Fuel Assemblies from the Reactor Core |
| in90082 |
12/31/1990 |
Requirements for Use of NRC-Approved Packages for Shipment of Type A Quantities
of Radioactive Material |
| in90081 |
12/24/1990 |
Fitness for Duty |
| in90080 |
12/21/1990 |
Sand Intrusion Resulting in Two Diesel Generators Becoming Inoperable
|
| in90079 |
12/20/1990 |
Failures of Main Steam Isolation Check Valves Resulting in Disc Separation
|
| in90078 |
12/18/1990 |
Previously Unidentified Release Path from Boiling Water Reactor Control
Rod Hydraulic Units |
| in90077 |
12/12/1990 |
Inadvertent Removal of Fuel Assemblies from the Reactor Core |
| in90076 |
12/07/1990 |
Failure of Turbine Overspeed Trip Mechanism Because of Inadequate Spring
Tension |
| in90075 |
12/05/1990 |
Denial of Access to Current Low-Level Radioactive Waste Disposal Facilities
|
| in90074 |
12/04/1990 |
Information on Precursors to Severe Accidents |
| in90073 |
11/29/1990 |
Corrosion of Valve-to-Torque Tube Keys in Spray Pond Cross Connect Valves
|
| in90072 |
11/28/1990 |
Testing of Parallel Disc Gate Valves in Europe |
| in90071 |
11/06/1990 |
Effective Use of Radiation Safety Committees to Exercise Control over
Medical Use Programs |
| in90038s1 |
11/06/1990 |
License and Fee Requirements for Processing Financial Assurance Submittals
for Decommissioning |
| in90070 |
11/06/1990 |
Pump Explosions Involving Ammonium Nitrate |
| in90069 |
10/31/1990 |
Adequacy of Emergency and Essential Lighting |
| in90068 |
10/30/1990 |
Stress Corrosion Cracking of Reactor Coolant Pump Bolts |
| in90067 |
10/29/1990 |
Potential Security Equipment Weaknesses |
| in90066 |
10/25/1990 |
Incomplete Draining and Drying of Shipping Casks |
| in90065 |
10/05/1990 |
Recent Orifice Plate Problems |
| in90064 |
10/04/1990 |
Potential for Common-Mode Failure of HPSI Pumps or Release of Reactor
Coolant Outside Containment During a LOCA |
| in90063 |
10/03/1990 |
Management Attention to the Establishment and Maintenance of a Nuclear
Criticality Safety Program |
| in90062 |
09/25/1990 |
Requirements for Import and Distribution of Neutron-Irradiated Gems |
| in90061 |
09/20/1990 |
Potential for Residual Heat Removal Pump Damage Caused by Parallel Pump
Interaction |
| in90060 |
09/20/1990 |
Availability of Failure Data in the Government-Industry Data Exchange
Program |
| in90059 |
09/17/1990 |
Errors in the Use of Radioactive Iodine-131 |
| in90058 |
09/11/1990 |
Improper Handling of Ophthalmic Strontium-90 Beta Radiation Applicators
|
| in90057 |
09/05/1990 |
Substandard, Refurbished Potter & Brumfield Relays Misrepresented
as New |
| in90056 |
09/04/1990 |
Inadvertent Shipment of a Radioactive Source in a Container Thought to
Be Empty |
| in90055 |
08/31/1990 |
Recent Operating Experience on Loss of Reactor Coolant Inventory While
in a Shutdown Condition |
| in90054 |
08/28/1990 |
Summary of Requalification Program Deficiencies |
| in90053 |
08/16/1990 |
Potential Failures of Auxiliary Steam Piping and the Possible Effects
on the Operability of Vital Equipment |
| in90052 |
08/14/1990 |
Retention of Broken Charpy Specimens |
| in90051 |
08/08/1990 |
Failures of Voltage-Dropping Resistors in the Power Supply Circuitry of
Electric Governor Systems |
| in90050 |
08/08/1990 |
Minimization of Methane Gas in Plant Systems and Radwaste Shipping Containers
|
| in90049 |
08/06/1990 |
Stress Corrosion Cracking in PWR Steam Generator Tubes |
| in90048 |
08/02/1990 |
Enforcement Policy for Hot Particle Exposures |
| in90047 |
07/27/1990 |
Unplanned Radiation Exposures to Personnel Extremities Due to Improper
Handling of Potentially Highly Radioactive Source |
| in90046 |
07/16/1990 |
Criminal Prosecution of Wrongdoing Committed by Suppliers of Molded-Case
Circuit Breakers and Related Components |
| in90045 |
07/06/1990 |
Overspeed of the Turbine-Driven Auxiliary Feedwater Pumps and Overpressurization
of the Associated Piping System |
| in90044 |
06/29/1990 |
Dose-Rate Instruments Underresponding to the True Radiation Fields |
| in90043 |
06/29/1990 |
Mechanical Interference with Thermal Trip Function in GE Molded-Case Circuit
Breakers |
| in90042 |
06/19/1990 |
Failure of Electrical Power Equipment Due to Solar Magnetic Disturbances
|
| in90032s1 |
06/19/1990 |
Surface Crack and Subsurface Indications in the Weld of a Reactor Vessel
Head |
| in90041 |
06/12/1990 |
Potential Failure of General Electric Magne-Blast Circuit Breakers and
AK Circuit Breakers |
| in90040 |
06/05/1990 |
Results of NRC-Sponsored Testing of Motor-Operated Valves |
| in90039 |
06/01/1990 |
Recent Problems with Service Water Systems |
| in90038 |
05/29/1990 |
Requirements for Processing Financial Assurance Submittals for Decommissioning
|
| in90037 |
05/24/1990 |
Sheared Pinion Gear-to-Shaft Keys in Limitorque Motor Actuators |
| in90036 |
05/24/1990 |
Apparent Falsification of State of Connecticut Weight Certificates |
| in90035 |
05/24/1990 |
Transportation of Type A Quantities of Non-Fissile Radioactive Materials
|
| in90034 |
05/10/1990 |
Response to False Siren Activations |
| in90033 |
05/09/1990 |
Sources of Unexpected Occupational Radiation Exposures at Spent Fuel Storage
Pools |
| in90032 |
05/03/1990 |
Surface Crack and Subsurface Indications in the Weld of a Reactor Vessel
Head |
| in90031 |
05/04/1990 |
Update on Waste Form and High Integrity Container ... Review Status,
Identification of Problems with Cement Solidification ... Waste Mishaps |
| in90030 |
05/01/1990 |
Ultrasonic Inspection Techniques for Dissimilar Metal Welds |
| in90029 |
04/30/1990 |
Cracking of Cladding and its Heat-Affected Zone in the Base Metal of a
Reactor Vessel Head |
| in90028 |
04/30/1990 |
Potential Error in High Steamline Flow Setpoint |
| in90027 |
04/30/1990 |
Clarification of ... Regulatory Requirements for Packaging of Uranium
Hexafluoride (UF6) for Transportation |
| in90026 |
04/24/1990 |
Inadequate Flow of Essential Service Water to Room Coolers and Heat Exchangers
for Engineered Safety-Feature Systems |
| in90025 |
04/16/1990 |
Loss of Vital AC Power with Subsequent Reactor Coolant System Heat-Up
|
| in90024 |
04/10/1990 |
Transportation of Model SPEC 2-T Radiographic Exposure Device |
| in90023 |
04/04/1990 |
Improper Installation of Patel Conduit Seals |
| in90022 |
03/23/1990 |
Unanticipated Equipment Actuations Following Restoration of Power to Rosemount
Transmitter Trip Units |
| in90020 |
03/22/1990 |
Personnel Injuries Resulting from Improper Operation of Radwaste Incinerators
|
| in90021 |
03/22/1990 |
Potential Failure of Motor-Operated Butterfly Valves to Operate Because
Valve Seat Friction Was Underestimated |
| in90019 |
03/14/1990 |
Potential Loss of Effective Volume for Containment Recirculation Spray
at PWR Facilities |
| in90018 |
03/09/1990 |
Potential Problems with Crosby Safety Relief Valves Used on Diesel Generator
Air Start Receiver Tanks |
| in90017 |
03/08/1990 |
Weight and Center of Gravity Discrepancies for Copes-Vulcan Valves |
| in90016 |
03/07/1990 |
Compliance with New Decommissioning Rule |
| in90015 |
03/07/1990 |
Reciprocity: Notification of Agreement State Radiation Control Directors
Before Beginning Work in Agreement States |
| in90014 |
03/06/1990 |
Accidental Disposal of Radioactive Materials |
| in90013 |
03/05/1990 |
Importance of Review and Analysis of Safeguards Event Logs |
| in90012 |
02/28/1990 |
Monitoring or Interruption of Plant Communications |
| in90011 |
02/23/1990 |
Maintenance Deficiency Associated with Solenoid-Operated Valves |
| in90010 |
02/23/1990 |
Primary Water Stress Corrosion Cracking (PWSCC) of Inconel 600 |
| in90009 |
02/05/1990 |
Extended Interim Storage of Low-Level Radioactive Waste by Fuel Cycle
and Materials Licensees |
| in90008 |
02/01/1990 |
KR-85 Hazards from Decayed Fuel |
| in90007 |
01/30/1990 |
New Information Regarding Insulation Material Performance and Debris Blockage
of PWR Containment Sumps |
| in90006 |
01/29/1990 |
Potential for Loss of Shutdown Cooling While at Low Reactor Coolant Levels
|
| in90005 |
01/29/1990 |
Inter-System Discharge of Reactor Coolant |
| in90004 |
01/26/1990 |
Cracking of the Upper Shell-to-Transition Cone Girth Welds in Steam Generators
|
| in90003 |
01/23/1990 |
Malfunction of Borg-Warner Bolted Bonnet Check Valves Caused by Failure
of the Swing Arm |
| in90002 |
01/22/1990 |
Potential Degradation of Secondary Containment |
| in90001 |
01/12/1990 |
Importance of Proper Response to Self-Identified Violations by Licensees |
