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The Supplier provided this notification via facsimile and is summarized below: A multi-meter used in the calibration of certain pressure instruments went out of calibration between 10/10/2005 and 11/18/2005. These instruments may not conform to the published accuracy specification of +/- 0.25% of calibrated span. Rosemont Nuclear Instruments, Inc (RNII) successfully recalibrated all affected transmitters that had not yet shipped from its facility. The instruments affected by this failure are: (a) certain Model 1152 gage and differential pressure transmitters with model codes beginning with 1152GP, 1152DP, or 1152HP, inclusive of pressure measuring range codes 3, 4, 5, and 6 (the range code is the 7th position in the model string); and (b) certain Model 1153 Series B and 1153 Series D gage and differential pressure transmitters with model codes beginning with 1153GB, 1153DB, 1153HB, 1153GD, 1153DD, or 1153HD inclusive of pressure measuring range codes 3, 4, 5, and 6 (the range code is the 7th position in the model string); and (c) certain Model 1154 and 1154 Series H gage and differential pressure transmitters with model codes beginning with 1154GP, 1154DP, 1154HP, 1154DH, or 1154HH inclusive of pressure measuring range codes 4, 5, and 6 (the range code is the 7th position in the model string). The end user must determine the impact of this potential non-conformance on its plant operations and safety and take action as deemed necessary. If an affected pressure transmitter has been successfully calibrated after receipt from RNII or will be calibrated prior to installation, no further action should be required.

• * * UPDATE FROM ROSEMOUNT NUCLEAR INSTRUMENTS (D. ROBERTS) TO M. RIPLEY AT 0927 ET 12/28/05 * * *

Rosemount provided the following information via facsimile: Yesterday, Rosemount Nuclear Instruments, Inc. (RNII) submitted a notification under 10 CFR Part 21. The submission to the NRC did not include Attachment A, which lists all of the affected U.S. licensees. This fax includes the letter and the attachment. RNII has initiated communication with its customers. The notification letter and attachment A have been sent to each of the affected customers. Attachment A provides Purchase Order Numbers, Model Numbers, Serial Numbers, and Calibration Dates for instruments provided to the following affected licensees: Dominion Generation, First Energy Corporation, Progress Energy Carolinas, Georgia Power Co., and Southern Nuclear Operating Co. Notified R1 DO (M. Sykes), R2 DO (M. Lesser), R3 DO (D. Hills), R4 DO (J. Clark), NRR (C. Holden and O. Tabatabai)