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Informs that XN-NF-79-49-(P),Rev 1 referenced in 830217 ltr re ECCS upper plenum injection now considered proprietary. Ltr to Northern States Power Co notifying of decision encl.

Accession Number: ML17256A650

Date Released: Saturday, November 7, 2020

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• ML17256A649 - Informs that XN-NF-79-49-(P),Rev 1 referenced in 830217 ltr re ECCS upper plenum injection now considered proprietary. Ltr to Northern States Power Co notifying of decision encl. (3 page(s), 4/28/1983)
• ML17256A651 - Informs that XN-NF-79-49-(P) Rev 1, "Reflux/UPI:Analytical Model to Calculate Reflood Rates for PWRs W/Upper Plenum Injection," determined proprietary & will be withheld (ref 10CFR2.790). (5 page(s), 4/22/1983)