United States Nuclear Regulatory Commission - Protecting People and the Environment

Information Notices - 1983

Document Number Title Revision Publish Date Reviewed Date
IN-83-84 Cracked and Broken Piston Rods in Brown Bovery Electric Type 5HK Breakers -- 12/30/1983 --
IN-83-83 Use of Portable Radio Transmitters Inside Nuclear Power Plants -- 12/19/1983 --
IN-83-82 Failure of Safety/Relief Valves to Open at BWR - Final Report -- 12/20/1983 --
IN-83-81 Entry Into High Radiation Areas From Areas Which Are Not Under Direct Surveillance -- 12/07/1983 --
IN-83-80 Use of Specialized "Stiff" Pipe Clamps -- 11/23/1983 --
IN-83-79 Apparently Improper Use of Commercial Grade Components in Safety-Related Systems -- 11/23/1983 --
IN-83-78 Apparent Improper Modification of a Component Affecting Plant Safety -- 11/17/1983 --
IN-83-77 Air/Gas Entrainment Events Resulting in System Failures -- 11/14/1983 --
IN-83-76 Reactor Trip Breaker Malfunctions (Undervoltage Trip Devices on GE Type AK-2-25 Breakers) -- 11/02/1983 --
IN-83-75 Improper Control Rod Manipulation -- 11/03/1983 --
IN-83-74 Rupture of Cesium-137 Source Used in Well-Logging Operations -- 11/03/1983 --
IN-83-73 Radiation Exposure From Gloves Contaminated with Uranium Daughter Products -- 10/31/1983 --
IN-83-72 Environmental Qualification Testing Experience -- 10/28/1983 --
IN-83-71 Defects in Load-Bearing Welds on Lifting Devices for Vessel Head and Internals -- 10/27/1983 --
IN-83-70 Vibration-Induced Valve Failures S1 03/04/1985 --
-- 10/25/1983 --
IN-83-69 Improperly Installed Fire Dampers at Nuclear Power Plants -- 10/21/1983 --
IN-83-68 Respirator User Warning: Defective Self-Contained Breathing Apparatus Air Cylinders -- 10/11/1983 --
IN-83-67 Emergency-Use Respirator Material Defect Causes Production of Noxious Gases -- 10/11/1983 --
IN-83-66 Fatality at Argentine Critical Facility S1 05/25/1984 --
-- 10/07/1983 --
IN-83-65 Surveillance of Flow in RTD Bypass Loops Used in Westinghouse Plants -- 10/07/1983 --
IN-83-64 Lead Shielding Attached to Safety-Related Systems Without 10 CFR 50.59 Evaluations -- 09/29/1983 --
IN-83-63 Potential Failures of Westinghouse Electric Corporation Type SA-1 Differential Relays -- 09/26/1983 --
IN-83-62 Failure of Redundant Toxic Gas Detectors Positioned at Control Room Ventilation Air Intakes -- 09/26/1983 --
IN-83-61 Alleged Use of Stand-Ins for Welder Qualification Test -- 09/26/1983 --
IN-83-60 Falsification of Test Results for Protective Coatings -- 09/22/1983 --
IN-83-59 Dose Assignment for Workers in Non-Uniform Radiation Fields -- 09/15/1983 --
IN-83-58 Transamerica Delaval Diesel Generator Crankshaft Failure -- 08/30/1983 --
IN-83-57 Potential Misassembly Problem with Automatic Switch Company (ASCO) Solenoid Valve Model NP 8316 -- 08/31/1983 --
IN-83-56 Operability of Required Auxiliary Equipment -- 08/26/1983 --
IN-83-55 Misapplication of Valves by Throttling Beyond Design Range -- 08/22/1983 --
IN-83-54 Common Mode Failure of Main Steam Isolation Nonreturn Check Valves Valves -- 08/11/1983 --
IN-83-53 Primary Containment Isolation Valve Discrepancies -- 08/11/1983 --
IN-83-52 Radioactive Waste Gas System Events -- 08/09/1983 --
IN-83-51 Diesel Generator Events - -- 08/05/1983 --
IN-83-50 Failures of Class 1E Safety-Related Switchgear Circuit Breakers to Close on Demand -- 08/01/1983 --
IN-83-49 Sampling and Prevention of Intrusion of Organic Chemicals Into Reactor Coolant Systems -- 07/25/1983 --
IN-83-48 Gaseous Effluent Releases of Radioactive Iodine-125 and Iodine-131 in Excess of Nuclear Regulatory Commission Limits -- 07/14/1983 --
IN-83-47 Failure of Hydraulic Snubbers as a Result of Contaminated Hydraulic Fluid -- 07/12/1983 --
IN-83-46 Common-Mode Valve Failures Degrade Surry's Recirculation Spray Subsystem -- 07/01/1983 --
IN-83-45 Environmental Qualification Test of General Electric Company "CR-2940" Position Selector Control Switch -- 07/01/1983 --
IN-83-44 Potential Damage to Redundant Safety Equipment As a Result of Backflow Through the Equipment and Floor Drain System S1 08/30/1990 --
-- 07/01/1983 --
IN-83-43 Improper Settings of Intermediate Range (IR) High Flux Trip Setpoints -- 06/24/1983 --
IN-83-42 Reactor Mode Switch Malfunctions -- 06/23/1983 --
IN-83-41 Actuation of Fire Suppression System Causing Inoperability of Safety-Related Equipment -- 06/22/1983 --
IN-83-40 Need to Environmentally Qualify Epoxy Grouts and Sealers -- 06/22/1983 --
IN-83-39 Failure of Safety/Relief Valves to Open at BWR - Interim Report -- 06/17/1983 --
IN-83-38 Defective Heat Sink Adhesive and Seismically Induced Chatter in Relays Within Printed Circuit Cards -- 06/13/1983 --
IN-83-37 Transformer Failure Resulting From Degraded Internal Connection Cables -- 06/13/1983 --
IN-83-36 Impact of Security Practices on Safe Operations -- 06/09/1983 --
IN-83-35 Fuel Movement with Control Rods Withdrawn at BWRs -- 05/31/1983 --
IN-83-34 Event Notification Information Worksheet -- 05/26/1983 --
IN-83-33 Nonrepresentative Sampling of Contaminated Oil -- 05/26/1983 --
IN-83-32 Rupture of Americium-241 Source(s) Contained in a Well Logging Device -- 05/26/1983 --
IN-83-31 Error in The Adlpipe Computer Program -- 05/19/1983 --
IN-83-30 Misapplication of Generic Emergency Operating Procedures (EOP) Guidelines -- 05/11/1983 --
IN-83-29 Fuel Binding Caused by Fuel Rack Deformation -- 05/06/1983 --
IN-83-28 Criteria for Protective Action Recommendations for General Emergencies -- 05/04/1983 --
IN-83-27 Operational Response to Events Concerning Deliberate Acts Directed Against Plant Equipment -- 05/04/1983 --
IN-83-26 Failure of Safety/Relief Valve Discharge Line Vacuum Breakers -- 05/03/1983 --
IN-83-25 Standby Gas Treatment System Heater High Temperature Trip Setpoint Adjustment -- 04/28/1983 --
IN-83-24 Loose Parts in The Secondary Side of Steam Generators at Pressurized Water Reactors -- 04/28/1983 --
IN-83-23 Inoperable Containment Atmosphere Sensing Systems -- 04/25/1983 --
IN-83-22 Boiling Water Reactor Safety/Relief Valve Failures -- 04/22/1983 --
IN-83-21 Defective Emergency-Use Respirator -- 04/15/1983 --
IN-83-20 ITT Grinnell Figure 306/307 Mechanical Snubber Attachment Interference -- 04/13/1983 --
IN-83-19 General Electric Type HFA Relay Contact Gap and Wipe Setting Adjustments -- 04/05/1983 --
IN-83-18 Failures of The Undervoltage Trip Function of Reactor Trip System Breakers -- 04/01/1983 --
IN-83-17 Electrical Control Logic Problem Resulting in Inoperable Auto-Start of Emergency Diesel Generator Units -- 03/31/1983 --
IN-83-16 Contamination of The Auburn Steel Company Property with Cobalt-60 -- 03/30/1983 --
IN-83-15 Falsified Pre-Employment Screening Records -- 03/23/1983 --
IN-83-14 Dewatered Spent Ion Exchange Resin Susceptibility to Exothermic Chemical Reaction -- 03/21/1983 --
IN-83-13 Design Misapplication of Bergen-Paterson Standard Strut Restraint Clamp -- 03/21/1983 --
IN-83-12 Incorrect Boron Standards - -- 03/18/1983 --
IN-83-11 Possible Seismic Vulnerability of Old Lead Storage Batteries -- 03/14/1983 --
IN-83-10 Clarification of Several Aspects Relating to Use of NRC-Certified Transport Packages -- 03/11/1983 --
IN-83-09 Safety and Security of Irradiators -- 03/09/1983 --
IN-83-08 Component Failures Caused by Elevated DC Control Voltage -- 03/09/1983 --
IN-83-07 Nonconformities with Materials Supplied by Tube Line Corporation -- 03/07/1983 --
IN-83-06 Nonidentical Replacement Parts - -- 02/24/1983 --
IN-83-05 Obtaining Approval for Disposing of Very-Low-Level Radioactive Waste - 10 CFR Section 20.302 -- 02/24/1983 --
IN-83-04 Failure of ELMA Power Supply Units -- 02/18/1983 --
IN-83-03 Calibration of Liquid Level Instruments -- 01/28/1983 --
IN-83-02 Limitorque HOBC, H1BC, H2BC, and H3BC Gearheads -- 01/28/1983 --
IN-83-01 Ray Miller, Inc. S1 04/15/1983 --
-- 01/26/1983 --
Page Last Reviewed/Updated Tuesday, September 01, 2015