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In accordance with 10CFR21, this letter is to inform you that Invensys Systems, Inc. (d/b/a Invensys Process Systems (IPS)) has identified a failure to fully comply with the requirements for Dedication of Commercial Grade Items (e.g. fuses, resistors, capacitors, etc.) provided to some of our nuclear customers. These parts, certified as safety-related basic components, were not subject to verification of functional performance characteristics as part of the Dedication process and therefore if not installed and tested in their intended application could represent a potential safety hazard. This condition was identified during the NUPIC (Nuclear Procurement Issues Committee) joint audit of our Foxboro, Massachusetts facility and immediate notification was provided to the member utilities through their web-based system. This Failure to Comply was confirmed on 11/2/07 and, based on our records, has been determined to be limited to the customers, orders and parts identified in (the report). Invensys has taken immediate corrective action to rectify the situation in that these parts are no longer provided as safety-related and we will be providing separate notification to each of the nuclear customers listed in (the report). It should be noted that the subject materials were all controlled and provided in accordance with the approved IPS procedures which include requirements for inspections verifying the appropriate manufacturer, part number, markings and other physical characteristics. If these items have been properly installed in the intended Foxboro equipment, functional performance is typically verified through subsequent component or system-level testing. The following customers are effected by this issue: American Electric Power, Arizona Public Service, Dominion Nuclear, Entergy, Exelon, First Energy, Indiana Michigan Power Co., NPPD, OPPD, Constellation, Union Electric, and Wolf Creek.

• * * UPDATE ON 4/4/2008 AT 1633 FROM DAVID GOLDEN TO MARK ABRAMOVITZ * * *

An updated list of parts and affected utilities was distributed. The affected utilities will be notified next week. The affected utilities are: Ameren UE American Electric Power Amergen Energy Co LLC Arizona Public Service Arkansas Power & Light Baltimore Gas & Electric Commonwealth Edison Connecticut Yankee Atomic Consolidated Edison Company of New York Detroit Edison Dominion Nuclear Duquesne Light Edison Material Supply LLC Entergy (Operations & Vermont Yankee) Exelon Nuclear Nine Mile Point Nuclear Station First Energy Corp Florida Power & Light (and FPL Seabrook) Georgia Power Gina Nuclear Power Plant GPU Nuclear Indiana Michigan Power Company Iowa Public Power District Maine Yankee Atomic Power Nebraska Public Power District New York Power Authority Northern States Power Company Nuclear Management Company Omaha Public Power District Pacific Gas & Electric Company PECO Energy Company Philadelphia Electric Company Portland General Electric Company Progress Energy (Carolinas & Florida) Southern California Edison Toledo Edison TVA Virginia Power Company Westinghouse Electric Wisconsin Public Service Corp. Wolf Creek Nuclear Operating Notified the R1DO (Hansell), R2DO (Evans), R3DO (Skokowski), R4DO (Lantz), NRR (Hodge and Thorpe via e-mail), and FSME (Jankovich via e-mail).