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Forwards safety evaluation of 850419 & 860121 submittals containing justification for leaving 6-inch containment isolation valves open continuously,per Generic Item B-24. Action unacceptable & opening of valves should be limited.

Accession Number: ML13331B260

Date Released: Sunday, November 8, 2020

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• ML13331B259 - Forwards safety evaluation of 850419 & 860121 submittals containing justification for leaving 6-inch containment isolation valves open continuously,per Generic Item B-24. Action unacceptable & opening of valves should be limited. (4 page(s), 2/22/1990)
• ML13331B261 - Safety evaluation concluding that licensee has not provided sufficient justification for leaving containment vented during plant operation.Amount of time for leaving 6-inch containment vent valves open should be limited. (2 page(s), 2/22/1990)