United States Nuclear Regulatory Commission - Protecting People and the Environment

Bulletins: 1979 Index

Document Number Title Revision Publish Date Reviewed Date
BL-79-28 Possible Malfunction of NAMCO Model EA180 Limit Switches at Elevated Temperatures -- 12/07/1979 --
BL-79-27 Loss of Non-Class-1-E Instrumentation and Control Power System Bus During Operation -- 11/30/1979 --
BL-79-26 Boron Loss from BWR Control Blades 1 08/29/1980 --
-- 11/20/1979 --
BL-79-25 Failures of Westinghouse BFD Relays in Safety-Related Systems -- 11/02/1979 --
BL-79-24 Frozen Lines -- 09/27/1979 --
BL-79-23 Potential Failure of Emergency Diesel Generator Field Exciter Transformer -- 09/12/1979 --
BL-79-22 Possible Leakage of Tubes of Tritium Gas Used in Time Pieces for Luminosity -- 09/05/1979 --
BL-79-21 Temperature Effects on Level Measurements -- 08/13/1979 --
BL-79-20 Packaging, Transport and Burial of Low-Level Radioactive Waste -- 08/10/1979 --
BL-79-19 Packaging of Low-Level Radioactive Waste for Transport and Burial -- 08/10/1979 --
BL-79-18 Audibility Problems Encountered on Evacuation of Personnel from High-Noise Areas -- 08/07/1979 --
BL-79-17 Pipe Cracks in Stagnant Borated Water Systems at PWR Plants 1 10/29/1979 --
-- 07/26/1979 --
BL-79-16 Vital Area Access Controls -- 07/26/1979 --
BL-79-15 Deep Draft Pump Deficiencies S1 Date Unknown --
-- 07/11/1979 --
BL-79-14 Seismic Analyses for As-Built Safety-Related Piping Systems 1S2 09/07/1979 --
1S1 08/15/1979 --
1 07/02/1979 --
-- 07/02/1979 --
BL-79-13 Cracking in Feedwater System Piping 2 10/16/1979 --
1 08/30/1979 --
-- 06/25/1979 --
BL-79-12 Short Period Scrams at BWR Facilities -- 05/31/1979 --
BL-79-11 Faulty Overcurrent Trip Device in Circuit Breakers for Engineered Safety Systems -- 05/22/1979 --
BL-79-10 Requalification Training Program Statistics -- 05/11/1979 --
BL-79-09 Failures of GE Type AK-2 Circuit Breaker in Safety Related Systems -- 04/17/1979 --
BL-79-08 Events Relevant to Boiling Water Reactors Identified During Three Mile Island Incident -- 04/14/1979 --
BL-79-07 Seismic Stress Analysis of Safety-Related Piping -- 04/14/1979 --
BL-79-06c Review of Operational Errors and System Misalignments Identified During the Three Mile Island Incident -- 07/26/1979 --
BL-79-06b Review of Operational Errors and System Misalignments Identified During the Three Mile Island Incident -- 04/14/1979 --
BL-79-06a Review of Operational Errors and System Misalignments Identified During the Three Mile Island Incident 1 04/18/1979 --
-- 04/14/1979 --
BL-79-06 Review of Operational Errors and System Misalignments Identified During the Three Mile Island Incident -- 04/11/1979 --
BL-79-05 Nuclear Incident at Three Mile Island S3 07/26/1979 --
S2 04/21/1979 --
S1 04/05/1979 --
-- 04/01/1979 --
BL-79-04 Incorrect Weights for Swing Check Valves Manufactured by Velan Engineering Corporation -- 03/30/1979 --
BL-79-03 Longitudinal Weld Defects in ASME SA-312 Type 304 Stainless Steel Pipe Spools Mfg. by Youngstown Welding & Engineering Company S1 04/04/1980 --
-- 03/12/1979 --
BL-79-02 Pipe Support Base Plate Designs Using Concrete Expansion Anchor Bolts 2 11/08/1979 --
1S1 08/20/1979 --
1 06/21/1979 --
-- 03/08/1979 --
BL-79-01b Environmental Qualification of Class IE Equipment S3 10/24/1980 --
S2 09/30/1980 --
S1 02/29/1980 --
-- 01/14/1980 --
BL-79-01 Environmental Qualification of Class IE Equipment S1 06/06/1979 --
1 02/27/1979 --
-- 02/08/1979 --










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