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September 11, 2007

MEMORANDUM TO:

Luis A. Reyes
Executive Director for Operations

FROM: Annette L. Vietti-Cook, Secretary                /RA/
SUBJECT:

STAFF REQUIREMENTS - SECY-07-0104 - PROPOSED RULEMAKING - ALTERNATE FRACTURE TOUGHNESS REQUIREMENTS FOR PROTECTION AGAINST PRESSURIZED THERMAL SHOCK EVENTS (RIN 3150-A101)

The Commission has approved publication of a proposed rule, 10 CFR 50.61a, “Alternative Fracture Toughness Requirements for Protection Against Pressurized Thermal Shock Events,” for a 75-day public comment period.

cc:

Chairman Klein
Commissioner Jaczko
Commissioner Lyons
OGC
CFO
OCA
OPA
Office Directors, Regions, ACRS, ACNW, ASLBP (via E-Mail)
PDR



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Thursday, September 13, 2007