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Forwards SSER re exemption from 10CFR50,App A,GDC 56 for arrangement of isolation check valve associated w/ instrument gas penetration (X-218).Arrangement acceptable. Request for exemption unnecessary.

Accession Number: ML17139C581

Date Released: Saturday, November 7, 2020

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• ML17139C580 - Forwards SSER re exemption from 10CFR50,App A,GDC 56 for arrangement of isolation check valve associated w/ instrument gas penetration (X-218).Arrangement acceptable. Request for exemption unnecessary. (4 page(s), 9/24/1984)
• ML17139C583 - SSER re request for exemption from 10CFR50,App A,GDC 56 for instrument gas penetration (X-218).Configuration acceptable. Exemption not required. (4 page(s), 9/24/1984)