United States Nuclear Regulatory Commission - Protecting People and the Environment

Morning Report for May 21, 2001

                       Headquarters Daily Report

                         MAY 21, 2001

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                    REPORT             NEGATIVE            NO INPUT
                    ATTACHED           INPUT RECEIVED      RECEIVED

HEADQUARTERS        X
REGION I                               X
REGION II                              X
REGION III                             X
REGION IV                              X
PRIORITY ATTENTION REQUIRED  MORNING REPORT - HEADQUARTERS MAY 21, 2001

MR Number: H-01-0035

                           NRR DAILY REPORT ITEM
                           GENERIC COMMUNICATIONS



Subject: Issuance of Regulatory Issue Summary 2001-12

NRC Regulatory Issue Summary 2001-12: Nonconservatism in Pressurizd Water
Fuel Storage Pool Reactivity Equivalencing Calculations, dated May 18,
2001

The U.S. Nuclear Regulatory Commission is issuing this regulatory issue
summary (RIS) to notify pressurized water reactor (PWR) licensees of a
possible nonconservatism in the practice of equating the reactivity of
spent fuel to the reactivity of fresh fuel in spent fuel storage pool
calculations using burnup credit.

Technical contact:  Anthony Ulses, NRR
                    301-415-1194
                    E-mail: apu@nrc.gov

Accession ML010990300

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