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I PACIFIC GAS AND E LE C T RI C C O M PANY E'6 @ bb
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77 BEALE STR'!!* 34N F R A N CI S C O, C A LI F O R N I A 9 410 6 = ( 415 ) 7 81-4 211 I
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March 26, 1976
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Mr. Olan D. Parr, Chief g
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Project Branch 1-3 tw U. S. Nuclear Regulatory Commission M N 8g "g'
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Washington, D. C. 20555 A
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Dockets 6 -275-013
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50-323-OL 4
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Dear Mr. Parr:
Enclosed in support of our application for an operating license for Units 1 and 2 at the Diablo Canyon Site are ten copies of the velocity data related te the 4
November 12, 1975 and December 8, 1975.
This material',
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Western Geophysical Company offshore geophysical survey records submitted in our proprietary submittals dated was requested informally by the Regulatory staff.
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The enclosures contain proprietary geologic' data, and it is requested that they be withheld from.
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public disclosure pursuant to 10 CFR,2.790.
This data was developed at considerable expense by original re '-
k search work performed by Western Geophysical Company.' N It is of the type that company customarily maintains in,
confidence and withholds from public disclosure.
The release of this proprietary data would grant competitors access to the information without incurring any expense.
Kindly acknowledge receipt of the above material on the enclosed copy of this letter and return it to me in the enclosed addressed envelope.
Very truly yours, Enclosures CC w/o enc.:
ASLB Parties
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8708060242 870729 PDR FOIA e a 2 CONNOR87-214 PDR JlJ
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50-275/323 DOCKET NO.
DATE:
3-30-76 e
NOTE TO NRc AND/OR LOCAL PUBLIC DOCUMENT ROOMS 3-26-76 The following item submitted with letter dated N
is being withheld from from public r'i.sclosure, pending review, in accordance with Section 2.790.
PROPRIETARY INFORMATION_
Velocity data :c.iated to Western Geophysical Co. of fshore geophysical survey records i
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Regulatory File Room O
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