ML18018B554

Quarterly Data Rept Seismic Monitoring Program,Oct-Dec 1983.

ML18018B554
Person / Time
Site:	Harris
Issue date:	01/23/1984
From:	Zimmerman S CAROLINA POWER & LIGHT CO.
To:	Harold Denton Office of Nuclear Reactor Regulation
References
NLS-84-023, NLS-84-23, NUDOCS 8401310399
Download: ML18018B554 (6)

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ACCESSION NBR:8401310399 DOC ~ DATE: 84/01/23 NOTARIZE: NO DOCKET FACIL:50~400 Shear on Harris Nuclear Power Plant~ Unit 1~ Carolina 05000400 AUTH, NAME AUTHOR AFFILIATION ZIMMERMANiS ~ RE Carolina Power 8 Light Co<

RECIP ~ NAMK RECIPIENT AFFILIATION DENTONgH,RE Office of Nuclear Reactor Regulationi Director

SUBJECT:

"Quarterly Data Rept Seismic Monitoring ProgramgOct Dec DISTRIBUTION CODE: 8001S TITLE: Licensing COPIES RECEIVED:LTR, / ENCL f." SIZE~

Submittal: PSAR/FSAR Amdts 8, Related -Correspondence NOTES'ECIPIENT COPIES RECIPIENT COPIES CODE/NAME tTTR ENCL ID CODE/NAME LTTR ENCL NRR/OL/AOL 1 0 NRR LB3 BC 1 0 NRR L83 LA 1 0 BUCKLEYrB 01 1 1 INTERNAL: ELD/HDS1 1 0 IE FILE 1 1 IE/DKPER/EPB 36 IE/DEPER/IRB 35 1 1 IE/DQAS IP/QA821 1 1 NRR/DE/AEAB 1 0 NRR/OE/CKB 11 NRR/OE/EHEB 1 1 NRR/DE/EQB 13 2 NRR/DE/GB 28 2 NRA/OE/MEB 18 1 1 NRR/DK/MTEB 17 1 1 NRR/DE/SAB 24 1 NRR/DE/SGEB 25 1 NRR/DHFS/HFEB40 1 NRR/DHFS/LQB 32 1 NRR/OHFS/PSRB 1 1 NRR/DL/SSPB 1 0 NRH/DSI/AEB 26 1 I/ASB 'RR/DS 1 1 NRH/DSI/CPB 10 1 1 NRR/DSI/CSB 09 1 1 NRR/DS I/I CSB 16 NRR/OS I/PSB 1 1 NRR/OSl/METB 12 NRR/OS I/RAB 22 1

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Carolina Power & Light Company SERIAL: NLS-84-023 JAN 33 1984 Mr. Harold R. Denton, Director Office of Nuclear Reactor Regulation United States Nuclear Regulatory Commission Washington, DC 20555 SHEARON HARRIS NUCLEAR POWER PLANT UNIT NO. 1 DOCKET NO ~ 50-400 SEISMIC MONITORING PROGRAM

Dear Mr. Denton:

Carolina Power & Light Company hereby submits the twentieth quarterly seismic report for the Shearon Harris Nuclear Power Plant (SHNPP) site. This report includes the data collected from October 1, 1983 through December 31, 1983 by the seismic monitoring network installed at the SHNPP site.

Yours very truly, S. R. Zimmer an Manager Nuclear Licensing Section PS/pgp (9321PSA) cc: Mr. B. C. Buckley (NRC)

Mr. G. F. Maxwell (NRC-SHNPP)

Mr. J. P. O'Reilly (NRC-RII) 840i3i0399 840f28 PDR ADOCK 05000400 PDR 411 Fayettevllle Street o P. O. Box 1551 o Raleigh, N. C. 27602

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QUARTERLY DATA REPORT SHNPF SEISMIC MONITORING PROGRAM 1 1983 DECEMBER 31, 1983'CTOBER Carolina Power & Light Company (CPSL) has completed another quarter of operation of its seismic monitoring program at the Shearon Harris Nuclear Power Plant site near New Hill, North Carolina. During this period a total of 127 cultural events were recorded with an S P of less than 5 seconds. No local earthquakes were detected.

Of these 127 events, 31 were confirmed as being explosions by responsible companies 'or agencies. The remaining 96 events displayed the signature and arrival pattern typical of previously identified cultural events and none occurred at night or on a weekend or holiday.

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