ML20006F169
| ML20006F169 | |
| Person / Time | |
|---|---|
| Site: | Davis Besse  |
| Issue date: | 02/02/1990 |
| From: | Shelton D TOLEDO EDISON CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| 1764, NUDOCS 9002270228 | |
| Download: ML20006F169 (2) | |
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TOLEDO '
EDISON A Carnerar Enrgy Conpry DONALD C. SHELTON We Preadyt-Nuoer (419}h9 2300 Docket Number 50-346
-License Number NPP-3 Serial Number 1764 February 2, 1990 United States Nuclear Regulatory Commission Document Control Desk Vashington, D. C. 20555
Subject:
Applicability.of Acceptance Criterion II.2.c of Standard Review Plan 11.5 to the Station Vent Stack Monitor Gentlemen:
In response to Inspection Report 346/84030 (Log Number 1-1093 dated January 4,
-1985), Open Item 346/84030-02, Toledo Edison submitted a letter (Serial Number 1157, dated May 30, 1985), to the Nuclear Regulatory Commission Office of Nuclear Reactor Regulation regarding the applicability of Acceptance Criterion II.2.c of Standard Review Plan (SRP) 11.5 to the station vent stack monitor.
Specifically, Toledo Edison requested that the stack sample stream not be
- required to be returned to the source, but rather remain as initially designed and installed whereby the stack sample stream was released from the side of the Turbine Building. This request was based on the premise that Acceptance Criterion II.2.c of SRP 11.5 was not applicable because the monitored sample stream was an effluent. release pathway and not a radioactive vaste process stream.- Also, Toledo Edison identified the concern that-the design change to
-reroute this line back to the station vent would potentially increase the back pressure on the sample pump, thereby reducing the sample inlet flow rate and in turn, would cause plateout of particulates and provide a less representative sample.
Subsequent to-this request, Toledo Edison performed tests to determine if the flow rate through the monitor would be impeded by the rerouting of the line back'to the source. The results of this testing indicated that there vould be no impedance.
Based on these results, Toledo Edison implemented Facility Change Request (FCR) 86-0362 to return the stack sample stream to its source, the vent stack.
9002270228 900202 h
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j/k THE TOLEDO EDISON COMPANY EDISON PLAZA 300 MADISON AVENUE TOLEDO. OHIO 43652
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ket Nu;ber 50-346 License Number NPF Serial'NuAiber 1764-Page 2" As identified in Inspection Report 346/89004 (Log 1-2036 dated February 24, 1989), Open Item 346/84030-02 was closed by confirmation that the sample return line had been rerouted.
Accordingly, Toledo Edison herewith withdraws the request for approval that the stack sample stream remain as initially designed and-installed, and for interpretation of Acceptance Criterion II.2.c of SRP 11.5.
Should.further information be required, please contact Mr. R. W. Schrauder, Manager-- Nuclear Licensing at (419) 249-2366.
Very trul yours, JSL/ssg cci P. M. Byron, DB-1 NRC Senior Resident Inspector A. B. Davis, Regional-Administrator, NRC Region III T. V. Vambach, NRC/NRR DB-1 Senior Project Manager k
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