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Requests review of encl program for mitigation of IGSCC & insp of main recirculation,per NRC 860424 ltr.Program will be implemented during 1987 maint/refueling outage.Approval for addl operating cycle requested.Repts encl.Fee paid.

Accession Number: ML20211H541

Date Released: Wednesday, August 12, 2020

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• ML20211H537 - Requests review of encl program for mitigation of IGSCC & insp of main recirculation,per NRC 860424 ltr.Program will be implemented during 1987 maint/refueling outage.Approval for addl operating cycle requested.Repts encl.Fee paid. (3 page(s), 2/20/1987)
• ML20211H549 - "Hatch Unit 1 IGSCC-Susceptible Primary Pressure Boundary Stainless Steel Piping & Components Insp/Mitigation Program, 1987 Maint/Refueling Outage." (9 page(s), 2/20/1987)
• ML20211H584 - Rev 0 to "Justification for Continued Operation W/Existing Weld Overlays at Hatch Unit 1." (27 page(s), 2/28/1987)
• ML20211H615 - Draft "Technical Justification for Extended Weld Overlay Design Life." (130 page(s), 12/31/1986)