United States Nuclear Regulatory Commission - Protecting People and the Environment

Bulletins: 1979 Index

File Name Date Description
BL-79-26r1 08/29/1980 Boron Loss from BWR Control Blades
BL-79-01bs3 10/24/1980 Environmental Qualification of Class IE Equipment
BL-79-01bs2 09/30/1980 Environmental Qualification of Class IE Equipment
BL-79-03a 04/04/1980 Longitudinal Weld Defects in ASME SA-312 Type 304 Stainless Steel Pipe
BL-79-01bs1 02/29/1980 Environmental Qualification of Class IE Equipment
bl7901b.pdf PDF Icon 01/14/1980 Environmental Qualification of Class IE Equipment [includes all enclosures]
BL-79-01b 01/14/1980 Environmental Qualification of Class IE Equipment
BL-79-28 12/07/1979 Possible Malfunction of NAMCO Model EA180 Limit Switches at Elevated Temperatures
BL-79-27 11/30/1979 Loss of Non-Class-1-E Instrumentation and Control Power System Bus During Operation
BL-79-26 11/20/1979 Boron Loss from BWR Control Blades
BL-79-02r2 11/08/1979 Pipe Support Base Plate Designs Using Concrete Expansion Anchor Bolts
BL-79-25 11/02/1979 Failures of Westinghouse BFD Relays in Safety-Related Systems
BL-79-17r1 10/29/1979 Pipe Cracks in Stagnant Borated Water Systems at PWR Plants
BL-79-13r2 10/16/1979 Cracking in Feedwater System Piping
BL-79-24 09/27/1979 Frozen Lines
BL-79-23 09/12/1979 Potential Failure of Emergency Diesel Generator Field Exciter Transformer
BL-79-14r1s2 09/07/1979 Seismic Analyses for As-Built Safety-Related Piping Systems
BL-79-22 09/05/1979 Possible Leakage of Tubes of Tritium Gas Used in Time Pieces for Luminosity
BL-79-13r1 08/30/1979 Cracking in Feedwater System Piping
BL-79-02r1s1 08/20/1979 Pipe Support Base Plate Designs Using Concrete Expansion Anchor Bolts
BL-79-14r1s1 08/15/1979 Seismic Analyses for As-Built Safety-Related Piping Systems
BL-79-21 08/13/1979 Temperature Effects on Level Measurements
BL-79-20 08/10/1979 Packaging, Transport and Burial of Low-Level Radioactive Waste
BL-79-19 08/10/1979 Packaging of Low-Level Radioactive Waste for Transport and Burial
BL-79-18 08/07/1979 Audibility Problems Encountered on Evacuation of Personnel from High-Noise Areas
BL-79-17 07/26/1979 Pipe Cracks in Stagnant Borated Water Systems at PWR Plants
BL-79-16 07/26/1979 Vital Area Access Controls
BL-79-05c 07/26/1979 Nuclear Incident at Three Mile Island – Supplement
BL-79-06c 07/26/1979 Review of Operational Errors and System Misalignments Identified During the Three Mile Island Incident
BL-79-15s1   Deep Draft Pump Deficiencies
BL-79-15 07/11/1979 Deep Draft Pump Deficiencies
BL-79-14r1 07/02/1979 Seismic Analyses for As-Built Safety-Related Piping Systems
BL-79-14 07/02/1979 Seismic Analyses for As-Built Safety-Related Piping Systems
BL-79-13 06/25/1979 Cracking in Feedwater System Piping
BL-79-02r1 06/21/1979 Pipe Support Base Plate Designs Using Concrete Expansion Anchor Bolts
BL-79-01a 06/06/1979 Environmental Qualification of Class IE Equipment (Deficiencies, ASCO Solenoid Valves)
BL-79-12 05/31/1979 Short Period Scrams at BWR Facilities
BL-79-11 05/22/1979 Faulty Overcurrent Trip Device in Circuit Breakers for Engineered Safety Systems
BL-79-10 05/11/1979 Requalification Training Program Statistics
BL-79-05b 04/21/1979 Nuclear Incident at Three Mile Island – Supplement
BL-79-06ar1 04/18/1979 Review of Operational Errors and System Misalignments Identified During the Three Mile Island Incident
BL-79-09 04/17/1979 Failures of GE Type AK-2 Circuit Breaker in Safety Related Systems
BL-79-08 04/14/1979 Events Relevant to Boiling Water Reactors Identified During Three Mile Island Incident
BL-79-07 04/14/1979 Seismic Stress Analysis of Safety-Related Piping
BL-79-06b 04/14/1979 Review of Operational Errors and System Misalignments Identified During the Three Mile Island Incident
BL-79-06a 04/14/1979 Review of Operational Errors and System Misalignments Identified During the Three Mile Island Incident
BL-79-06 04/11/1979 Review of Operational Errors and System Misalignments Identified During the Three Mile Island Incident
BL-79-05a 04/05/1979 Nuclear Incident at Three Mile Island
BL-79-05 04/01/1979 Nuclear Incident at Three Mile Island
BL-79-04 03/30/1979 Incorrect Weights for Swing Check Valves Manufactured by Velan Engineering Corporation
BL-79-03 03/12/1979 Longitudinal Weld Defects in ASME SA-312 Type 304 Stainless Steel Pipe Spools Mfg. by Youngstown Welding & Engineering Company
BL-79-02 03/08/1979 Pipe Support Base Plate Designs Using Concrete Expansion Anchor Bolts
BL-79-01r1 02/27/1979 Environmental Qualification of Class 1E Equipment
BL-79-01 02/08/1979 Environmental Qualification of Class IE Equipment
Page Last Reviewed/Updated Tuesday, July 23, 2013