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SECY Papers

Document Number	Description
SECY-03-0089	Proposed Bulletin: "Potential Impact of Debris Blockage on Emergency Sump Recirculation at Pressurized-water Reactors," June 2, 2003

Regulatory Guides

Document Number	Description
Proposed Rev. 3 to Regulatory Guide 1.82	Water Sources for Long-Term Recirculation Cooling Following Loss-of-Coolant-Accident, February 2003

NUREG Series Publications

Document Number

Description

NUREG/CR-6762, GSI-191

Technical Assessment: Parametric Evaluations for Pressurized Water Reactor Recirculation Sump Performance (Report LA-UR-01-4083, Rev. 1 by LANL), Volumes 1-4, USNRC, August 2002

NUREG/CR-6771

GSI-191: The Impact of Debris Induced Loss of ECCS Recirculation on PWR Core Damage Frequency

NUREG/CR-6808

Knowledge Base for the Effect of Debris on Pressurized Water Reactor Emergency Core Cooling Sump Performance, USNRC, February 2003

Generic Communications

Bulletins
Document Number	Description
Bulletin 03-01	Potential Impact of Debris Blockage on Emergency Sump Recirculation at Pressurized-Water Reactors, June 9, 2003
Bulletin 96-03	Potential Plugging of Emergency Core Cooling Suction Strainers by Debris in Boiling-Water Reactors, May 6, 1996
Bulletin 95-02	Unexpected Clogging of a Residual Heat Removal (RHR) Pump Strainer While Operating in the Suppression Pool Cooling Mode, October 17, 1995
Bulletin 93-02	Debris Plugging of Emergency Core Cooling Suction Strainers, May 11, 1993
Bulletin 93-02, Supp 1	Debris Plugging of Emergency Core Cooling Suction Strainers, February 18, 1994
Generic Letters
GL 98-04	Potential for Degradation of the Emergency Core Cooling System and the Containment Spray System After a Loss-of-Coolant Accident Because of Construction and Protective Coating Deficiencies and Foreign Material in Containment, July 14, 1998
GL 97-04	Assurance of Sufficient Net Positive Suction Head for Emergency Core Cooling and Containment Heat Removal Pumps," October 7, 1997
GL 85-22	Potential For Loss of Post-LOCA Recirculation Capability Due to Insulation Debris Blockage, December 3, 1985
Information Notices
IN 97-13	Deficient Conditions Associated With Protective Coatings at Nuclear Power Plants, March 24, 1997
IN 96-59	Potential Degradation of Post Loss-of-Coolant Recirculation Capability as a Result of Debris, October 30, 1996
IN 96-55	Inadequate Net Positive Suction Head of Emergency Core Cooling and Containment Heat Removal Pumps Under Design Basis Accident Conditions, October 22, 1996
IN 96-27	Potential Clogging of High Pressure Safety Injection Throttle Valves During Recirculation, May 1, 1996
IN 96-10	Potential Blockage by Debris of Safety System Piping Which Is Not Used During Normal Operation or Tested During Surveillances, February 13, 1996
IN 95-47	Unexpected Opening of a Safety/Relief Valve and Complications Involving Suppression Pool Cooling Strainer Blockage, October 4, 1995
IN 95-47, Rev 1	Unexpected Opening of a Safety/Relief Valve and Complications Involving Suppression Pool Cooling Strainer Blockage, November 30, 1995
IN 95-06	Potential Blockage of Safety-Related Strainers by Material Brought Inside Containment, January 25, 1995
IN 94-57	Debris in Containment and the Residual Heat Removal System, August 12, 1994
IN 93-34	Potential for Loss of Emergency Cooling Function Due to a Combination of Operational and Post-LOCA Debris in Containment, April 26, 1993
IN 93-34, Supp 1	Potential for Loss of Emergency Cooling Function Due to a Combination of Operational and Post-LOCA Debris in Containment, May 6, 1993
IN 92-85	Potential Failures of Emergency Core Cooling Systems Caused by Foreign Material Blockage," December 23, 1992
IN 92-71	Partial Plugging of Suppression Pool Strainers at a Foreign BWR, September 30, 199
IN 89-79	Degraded Coatings and Corrosion of Steel Containment Vessels, December 1, 198
IN 89-79, Supp 1	Degraded Coatings and Corrosion of Steel Containment Vessels, June 29, 199
IN 89-77	Debris in Containment Emergency Sumps and Incorrect Screen Configurations, November 21, 1989
IN 88-28	Potential for Loss of Post-LOCA Recirculation Capability Due to Insulation Debris Blockage, May 19, 1988

Miscellaneous

Date	Description
02/2003	"The Impact of Recovery From Debris-Induced Loss of ECCS Recirculation on PWR Core Damage Frequency," Technical Letter Report LA-UR-02-7562 (by LANL)
07/01/03	Letter from the Union of Concerned Scientists concerning Bulletin 03-01 NRC Response - July 17, 2003
12/12/02	NEI PWR Sump Performance Task Force To Assess Degradation of ECCS Performance/Sump Blockage - Evaluation Methodologies Groundrules, draft
09/30/02	NEI 02-01, Condition Assessment Guidelines: Debris Sources Inside PWR Containments, Rev. 1
08/28/98	Safety Evaluation by the Office of Nuclear Reactor Regulation Related to NRC Bulletin 96-03, Boiling Water Reactor Owners Group Topical Report NEDO-32686-A, "Utility Resolution Guidance for ECCS Suction Strainer Blockage"
08/2001	"GSI-191: Summary and Analysis of US Pressurized Water Reactor Industry Survey Responses and Responses to GL 97-04," Technical Letter Report LA-UR-01-1800 (by LANL)
01/2002	"GSI-191: Thermal Hydraulic Response of PWR Reactor Coolant System and Containments to Selected Accident Sequences," Technical Letter Report LA-UR-01-5561 (by LANL, Rev. 1)
11/2001	"Development of Debris Generation Quantities in Support of the Parametric Evaluation," Technical Letter Report LA-UR-01-6640 (by LANL)
04/18/01	"Jet Impact Test - Preliminary Results and Their Application," OPGN Engineering Report, File N-REP-34320-10000
10/2001	"GSI-191: Development of Debris Transport Fractions in Support of the Parametric Evaluation," Technical Letter Report LA-UR-01-5965 (by LANL)
12/2001	"GSI-191: Separate-Effects Characterization of Debris Transport in Water," Technical Letter Report LA-UR-01-6882 (by LANL)
12/14/99	"Pressurized Water Reactor Debris Transport in Dry Ambient Containments-Phenomena Identification and Ranking Tables," LA-UR-99-3371
12/14/99	Pressurized Water Reactor Debris Transport in Dry Ambient Containments-Phenomena Identification and Ranking Tables," LA-UR-99-5111
09/28/01	RES Proposed Recommendation for Resolution of GSI-191-"Assessment of Debris Accumulation on PWR Sump Performance
	Attachments to this Memorandum under ML012750414: Technical Assessment Summary for GSI-191, Assessment of Debris Accumulation on PWR Sump Performance Rao, D., et al., GSI-191: Parametric Evaluations for Pressurized Water Reactor Recirculation Sump Performance, LA-UR-01-4083, Los Alamos National Laboratory, Los Alamos, New Mexico, August 2001 Buslik, A., Risk Considerations and Benefits Associated with GSI-191, Assessment of Debris Accumulation on PWR Sump Performance,. U.S. NRC, August 8, 2001 Feld, S., Cost Analysis for GSI-191, .Assessment of Debris Accumulation on PWR Sump Performance,. U.S. NRC, August 14, 2001 Marion, A. (NEI), Letter to Mayfield, M. (NRC), Comments on NRC Contractor Draft Report, LA-UR-XXX, GSI-191: Parametric Evaluations for Pressurized Water Reactor Recirculation Sump Performance, August 31, 2001 RES responses to NEI comments Apostolakis, G. (ACRS), Memo to Travers, W. (EDO), Generic Safety Issue-191 Assessment of Debris Accumulation on PWR Sump Pump Performance, September 14, 2001
10/03/02	"Knowledge Base for Strainer Clogging - Modifications performed in different countries since 1992," NEA/CSNI/R(2002)6, Organisation for Economic Cooperation and Development, Nuclear Energy Agency, Committee on the Safety of Nuclear Installations