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Forwards results of vacuum breaker performance evaluation providing justification for plant operation beyond Mode 3. Draft NEDE-22178-P, "Mark II Containment Drywell-to-Wetwell Vacuum Breaker Models," withheld (ref 10CFR2.790).

Accession Number: ML17139A925

Date Released: Monday, September 18, 2017

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• ML17139A924 - Forwards results of vacuum breaker performance evaluation providing justification for plant operation beyond Mode 3. Draft NEDE-22178-P, "Mark II Containment Drywell-to-Wetwell Vacuum Breaker Models," withheld (ref 10CFR2.790). (6 page(s), 8/13/1982)
• ML17139A926 - Forwards "Pool Swell Forcing Functions for Mark II Wetwell- to-Drywell Vacuum Breakers." (2 page(s), 7/23/1982)
• ML18031A386 - "Pool Swell Forcing Functions for Mark II Wetwell-to-Drywell Vacuum Breakers." (13 page(s), 7/23/1982)
• ML17139A927 - "Mark II Primary Containment Vacuum Relief Valve Test Program,Phase IV,Revision 0." (82 page(s), 8/31/1982)