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Forwards safety evaluation of info submitted to date re operability of containment purge & vent valves.Info demonstrates ability of 20-inch & 24-inch purge & vent valves to close against buildup of pressure during DBA/LOCA.

Accession Number: ML20129E111

Date Released: Friday, May 22, 2020

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• ML20129E106 - Forwards safety evaluation of info submitted to date re operability of containment purge & vent valves.Info demonstrates ability of 20-inch & 24-inch purge & vent valves to close against buildup of pressure during DBA/LOCA. (2 page(s), 7/1/1985)
• ML20129E141 - Safety evaluation supporting demonstration of containment purge & vent valve operability.Info submitted demonstrates ability of 20-inch & 24-inch purge & vent valves to close against buildup of containment pressure during DBA/LOCA. (5 page(s), 7/1/1985)
• ML20129E172 - Safety evaluation re radiological consequences of hypothetical LOCA while purging containment at power. Radiological consequences acceptable. (2 page(s), 7/1/1985)