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Forwards listed repts including proprietary WCAP-12539 & nonproprietary WCAP-12540, "Analytical Rept for Effect of Increased Main Steam Safety Valve Blowdown," to address NRC concerns.Proprietary rept withheld (ref 10CFR2.790).

Accession Number: ML19302E113

Date Released: Friday, October 25, 2024

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• ML20042F561 - Forwards listed repts including proprietary WCAP-12539 & nonproprietary WCAP-12540, "Analytical Rept for Effect of Increased Main Steam Safety Valve Blowdown," to address NRC concerns.Proprietary rept withheld (ref 10CFR2.790). (2 page(s), 4/27/1990)
• ML20042F562 - Requests that proprietary WCAP-12539, "Analytical Rept for Effect of Increaased Main Steam Safety Valve Blowdown" be withheld (ref 10CFR2.790). (9 page(s), 4/27/1990)
• ML20042F563 - "Analysis of Performance of Crosby-Style HA Main Steam Safety Valves." (57 page(s), 6/30/1989)
• ML20042F566 - "Summary of Crosby Main Steam Safety Valve Test Program Results." (530 page(s), 6/30/1989)
• ML20042F607 - "Analytical Rept for Effect of Increased Main Steam Safety Valve Blowdown." (23 page(s), 11/30/1988)