Headquarters Daily Report MAY 06, 1998 *************************************************************************** REPORT NEGATIVE NO INPUT ATTACHED INPUT RECEIVED RECEIVED HEADQUARTERS û REGION I û REGION II û REGION III û REGION IV û PRIORITY ATTENTION REQUIRED MORNING REPORT - HEADQUARTERS MAY 6, 1998 Licensee/Facility: Notification: MR Number: H-98-0072 Proposed Generic Communication Date: 05/06/98 Subject: NRC Information Notice concerning the Loss of Inventory from Closed-loop Cooling Water Systems Discussion: The NRC intends to issue an Information Notice that identifies potential problems associated with the Loss of Inventory from Closed-loop Cooling Water Systems. The proposed notice, "Loss of Inventory from Closed-loop Cooling Water Systems," will discuss events where actual leakage or analysis established that excessive leakage could render a Closed-loop Cooling Water System inoperable in the absence of a reliable and timely annunciation and/or makeup system. Contact: Rick Khan, NRR/DRPM/PECB (301) 415-1152 Email: tmk@nrc.gov _