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Responds to NRC 790927 ltr re containment purging & venting w/guidelines for valve operability during normal operation. Testing scheduled to begin 791029 & will be performed by Allis Chalmers Corp.Test procedure encl.

Accession Number: ML19250B841

Date Released: Saturday, September 21, 2019

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• ML19250B840 - Responds to NRC 790927 ltr re containment purging & venting w/guidelines for valve operability during normal operation. Testing scheduled to begin 791029 & will be performed by Allis Chalmers Corp.Test procedure encl. (1 page(s), 10/26/1979)
• ML19250B843 - "Six-Inch Butterfly Valve Air Tests." (5 page(s), 10/18/1979)