ML20155C190

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Submits Hourly Meteorological Data for First Quarter 1988, Per Section 4.0 of Commission Jul 1987 Safety Evaluation of Onsite Meteorological Program.Tape Prepared in Recommended Format in App a of Section 2.3.3 of NUREG-0800,Rev 2
ML20155C190
Person / Time
Site: Rancho Seco
Issue date: 06/06/1988
From: Croley B
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Office of Nuclear Reactor Regulation
References
RTR-NUREG-0800, RTR-NUREG-800 AGM-TA-88-143, NUDOCS 8806140115
Download: ML20155C190 (2)


Text

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$)SMU-SACRAMENro MUNICIPAL UTILITY DISTRICT O 62o1 S Street, P.o. Box 15830. Sacramento CA 958521830,1916) 452 3211 AN ELECTRIC SYSTEM SERVING THE HEART OF CALIFORNIA

'ER O 6 1988 AGM/TA 88-143 Director of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Mail Station Pl-137 Washington, DC 20555 Docket No. 50-312 Rancho Seco Nuclear Generating Station License No. DPR-54 HOURLY METEOROLOGICAL DATA FOR THE FIRST QUARTER OF 1988

Dear Sirs:

As requested in Section 4.0 of the Commission's July 1987 Safety Evaluation of the RancL Seco Onsite Meteorology Program, the District has prepared magnetic tape which contains meteorological data for the first quarter of 1988.

The tape has been prepared in the recommended format in Appendix A of Section 2.3.3 of NUREG-0800, Revision 2, as follows:

o 9-track, EBCDIC o Record Length - 160 characters o Block Size - 3,200 characters o Density - 1,600 BPI The joint data recoveries for 10-meter wind speed and wind direction, and temperature difference between the 10- and 60- meter levels for the first quarter of 1988 were 92%. This data recovery efficiency meets the 90%

statistical representativeness criterion identified in Regulatory Guide

!.21.

Men %.rs of your staff with questions requiring additional information or clarification may contact Mr. Richard Mannheimer at (209) 333-2936, extension 4919.

Sincerely, B. G. Croley Assistant General Manager, Technical and Administrative Services Enclosure o i

i 88o614o115 eso6 M SFA/T' 70

?" * '" ** *o6R?h wMNV MEfNKG RANCHO SECO NUCLEAR GENERATING STATION D 1444o Twin Cities Road, Herald, CA 95638-9799;(209) 333 2935

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Director of NRR AGM/TA 88-143

.cc: J. 8. Martin, NRC, Region V A. D'Angelo, NRC, Rancho Seco K. Prendergast, NRC, Region V I, Spickler, NRC, Rockville 1

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