ML20080A316
| ML20080A316 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 01/31/1984 |
| From: | Hukill H GENERAL PUBLIC UTILITIES CORP. |
| To: | Stolz J Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML20080A318 | List: |
| References | |
| 5211-84-2019, NUDOCS 8402030452 | |
| Download: ML20080A316 (2) | |
Text
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GPU Nuclear Corporation
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Middletown, Pennsylvan!a 17057-0191 717 944 7621 TELEX 84 2386 Writer's Direct Dial Number:
January 31, 1984 5211-84-2019 Office of Nuclear Reactor Regulations Attn: John F.'Stolz, Chief Operating Reactors Branch No. 4 U. S. Nuclear Regulatory Commission Washingten, D.C.
20555
Dear Sir:
Three Mile Island Nuclear Station, Unit 1 (TMI-1)
Operating License No. DPR-50 Docket No. 50-289 Long Term Corrosion Test Results This letter is to provide the quarterly status report on the steam generator tubing long term corrosion tests. Per telephone conversations with members of your staff, transmittal of this written update has been delayed briefly to permit inclusion of the Westinghouse Interim Report on the entire program, which is attached. One additional test cycle has been complete since the period covered by the interim report. The status of each loop as of 12/30/83 is given below.
No. of Cycles Completed Approx. Days Loop Sulfure Species Peroxide HFT Operating in HFT & Op.
1 Thiosulfate 0
1 4
305 2
Sulfate 0
1 4
305 3
Sulfate 1
1 2
172 4
Sulfate 1
1 2
172 Testing at the close of this cycle was identical to that for previous cycles described in the interim report. Westinghouse has examined all specimens visually, full tube specimens by eddy current, and certain pre-designated C-rings metallographically.
O R
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GPU Nuclear Corporation is a subsidiary of the General Public Utilities Corporation
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Mr. John F. Stolz. 5211-84-2019 As ranorted to you earlier by telephone, they have seen no evidence of continuation or re-initiation of any corrosive attack. All loops will
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complete the present operating cycle and one more. The testing program
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is on schedule to be completed in mid-May 1984.
i Sincerely,
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. D.
ukill llDH:MJG:vj f Attachment cc:
J. Van Vliet
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