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Notice of new info re steam voiding in B&W RCS.Info consists of IE Circular 81-10 & Duke Power Co 810731 RO.Documents bear directly on issues central to case & to safety at TMI-1.

Accession Number: ML20031D936

Date Released: Tuesday, December 1, 2020

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• ML20031D935 - Notice of new info re steam voiding in B&W RCS.Info consists of IE Circular 81-10 & Duke Power Co 810731 RO.Documents bear directly on issues central to case & to safety at TMI-1. (6 page(s), 10/8/1981)
• ML20031D945 - RO:on 810629,steam void formed in RCS loop A hot leg during pressurizer cooldown.Caused by de-energizing pressurizer heaters to reduce RCS pressure & slow leakage from loop B instrument root valve.Heaters repressurized. (3 page(s), 7/31/1981)
• ML20031D954 - Discusses apparent area of disagreement between NRC & Commissioners.Reporting requirements should be clarified in light of recent incidents at B&W reactors.Certificate of Svc encl. (4 page(s), 9/29/1981)