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Forwards overpressure & blowdown conclusions re ring setting mods of main steam safety valves (MSSV),per 890523 commitment.Ring settings of MSSVs set to generic values to achieve stamped capacity lift.

Accession Number: ML13304A451

Date Released: Tuesday, December 31, 2013

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• ML13304A450 - Forwards overpressure & blowdown conclusions re ring setting mods of main steam safety valves (MSSV),per 890523 commitment.Ring settings of MSSVs set to generic values to achieve stamped capacity lift. (3 page(s), 2/9/1990)
• ML13304A452 - "Main Steam Safety Valve Ring Setting Mod for San Onofre Nuclear Generating Station,Units 2 & 3." (7 page(s), 1/25/1990)