ML20126C607

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Forwards Water Temperature Data Collected for Third Quarter of 1992,July-Sept at North Anna Power Station in Compliance W/Vpdes Permit VA0052451 Under Special Condition 8.Plant Operation Data Through Sept Shown in Figure 3
ML20126C607
Person / Time
Site: North Anna  Dominion icon.png
Issue date: 12/18/1992
From: Marshall B
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To: Kregloe W
VIRGINIA, COMMONWEALTH OF
References
NUDOCS 9212230141
Download: ML20126C607 (8)
v • d • e


Text

. - . . - - -- ** ' ._ _ . . . - ._ -

i lins 4mxk T,rbnicalc.'erster'  !

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5000 (kantnorm ihndum smi c; ten 1% Varytnaa 2NW) ,\

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December 18,1992 VIR0lNIA POWER -

William L Kregioe .

Virginia Water Control Board i Valley _ Regional Office l' 116 North Main Street

-- P.O. Box 268 .

Bridgewater, VA 22812

Dear Mr. Kregloe:

Enclosed are water temperature data (Tables 1-3 and Figures 1-2) collected for the third quarter of 1992, July-September at North Anna Power Station in compliance with VPDES Permit Number VA0052451 under Special Condition Number 8. Station operation data through September are shown in Figure 3.

If we.can provide any additional information or if you have any questions, please let me - '

know.

Sincerely, B. M. Marshall, P.E.

Manager '

Water Quality -

NHW/jmh-'

Enclosures E30013 921223o141 921218 8 ADoCK 0500 .

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cc: U.S. Nuclear Regulatory Commission Region 11 101 Marietta St., NW Suite 2900 Atlanta, GA 30323 Re: North Anna Units 1 & 2 Docket Nos. 50-338/50-339 Ucense Nos. NPF-4/NPF-7 U.S. Nuclear Regulatory Commission Document Control Desk Washington, DC 20555 Re: North Anna Units 1 & 2 Docket Nos. 50-338/50-339 Ucense Nos. NPF-4/NPF 7 Mr. M. S. Lesser NRC Senior Resident inspector North Anna Power Station l

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TABLE 2. SUNNARY OF NORTH ANNA FIXED RECORDER TEMPER ATURE D ATA FOR THE THIRD QUARTER,1992. VALUES NALST10 ARE ISMAXIMA AT AND MINIMA CF HICH CND LOW VALUES IIN DEGREES CELSIUS). ALL INSTRUMENTS EXCEPT FOR NALST10 ARE LOCATED AT THE SURF ACE.

MID-DEPTH, A "e" INDICATES DATA LOSS DUE TO INSTRUMENT HALFUNCTION OR PHYSICAL DAMAGE. HOURS OF DATA COLLECTED ARE SHOWN.

3 10 7 8 9 11 STQTION NO. 6 5 4 2 1

-------------- - -------- ----------- YEARS 92 NONTHzJULY -------- --------------------------------------------------------

NALST10 NADISC1 NAWNTF2 NAWHTF3 NARIV601 NAL719NT NAL20ST NALINT NALTHIST NALBRPTT TYPE NAL7195T 33.9 m 30.9 = 30.8 30.4 38.1 35.6 HICH 31.1 31.5 30.9 m 26.5 26.1 33.7 31.2 29.5 m 26.6 26.3 26.4 26.3 LOW 743 744 743 743 742 0.0 HOURS 742 743 743 743 4.0

----------------------------- ~~--------------------- YT A R x 9 2 MON T H = A UGUS T - - - - - - - - - - - - - - - - - ~ ~ - - - - - ~ = - - ~ ~ ~ - - - - - - - ~ ~ - - - - - - - - - - - - - ~ ~ ~ - - - - - - - -

NALBRPTT NALST10 NADISC1 NAWHTF2 NAWHTF3 NARIV601 TYPE NAL719ST NAL719NT NAL208T NALINT NALTHIST 32.5 m 30.2 30.0 30.1 30.2 30.2 30.3 37.3 34.4 HICH 30.0 32.7 30.8 28.7 =

LOW 25.0 '24.9 25.7 26.1 26.1 27.2 27.6 547 744 744 744 744 744 0.0 HOURS 744 744 744 744

- - - - - - - - - - ~ ~ - - - - - - - ~ ~ - - - - - - ~ ~ ~ ~ - ~ ~ - - - - - ~ ~ - - - - - - - - - - - - - - - - - - - Y E A R c 9 2 NON T H = S E PT E h8 E R - - - - - - - - - ~ ~ - - - ~ ~ ~ ~ - - - - - - - - - - - - - - - - - - - - - ~ ~ - - - - - - - - - - ~ ~ ~ - - - - - - - -

NALBRPTT NALST10 NADISC1 NAWHTF2 NAWHTF3 NARIV601 TYPE NAL7195T HAL719NT NAL208T NALINT HALTHIST 33.6 31.2 =

27.9 28.0 m 28.8 29.0 36.0 HIGH 27.8 27.9 24.8 m

  • 24.3 30.1 26.5 LOW 20.6 20.4 21.7 22.3 23.5 720 720 0.0 720 720 0.0 720 T20 720 HOURS 720 720 O O

- . , - :- -_i.. -

l: 1

.TCLE 1.

SUMMARY

OF N02TH ANNA FIXED REC 00 DER TEMPE2ATURE DATA FOR THE THIRD QUARTER, 1992. VALUES ARE MEANS OF DAILY HIGH, MEAN, AND LOW VALUES (IN DEGREES CELSIUS). ALL INSTRUMENTS EXCEPT FOR NALST10 ARE *.0CATED AT THE SURFACE. NALSTIS IS AT

-"MID-DEPTH. .A "a" INDICATES DATA LOSS DUE TO INSTRUMENT HALFUNL' ION OR PHYSICAL DAMAGE. HOURS OF DATA COLLECTED ARE SHOWN.

STATION NO. 6- 5 4 2 A 3 10 7 8 9 11

*--------~------------------------ ---------- ----- YEAR =92 MONTH JULY -------------- --------------------------------------------------

TYPE HAL71*ST NAL719NT NAL204T NALINT NALTHIST NALBRPTT NALST10 NADISCI HAWHTF2 NAWHTF3 NARIV601 HIGH 29.3 29.5 29.2 29.2 = 29.4 29.3 36.3 34.0 32.3 =

HEAN 28.7 28.8 28.7 28.6 a 28.9 28.8 36.0 33.4 31.8 =

.I LCW 28.3 28.2 28.3 28.2 a 28.5 28.4 35.7 32.9 31.4 m HOURS 742 743 743 743 0.0 743 744 713 743 742 0.0

................................................................ YEAR =92 NONTH= AUGUST ----------------------------------------------------------------

TYPE NAL719ST NAL719NT NAL206T NALINT NALTHIST NALBRPTT NALST10 NADISC1 NAWHTF2 NAWHTF3 NARIV601 HIGH 27.9 27.9 28.1 28.2 28.5 28.9 29.2 35.3 33.0 31.1 m HEAN 27.3 27.2 27.6 27.3 27.9 28.5 28.9 35.0 32.4 30.7

  • i, LOW 26.8 26.7 27.2 27.4 27.5 28.2 28.6 34.6 32.0 30.3
  • HOURS 744 744 744 744 547 744 744 744 744 744 0.0 1z

" YEAk=92 MONTW SEPTEMBER --------------------------- '----------------------------------

TYPE Na!719ST NAL719NT NAL208T NALINT NALTHIST HALBRPTT NALSTIO NADISCI HAWHTF2 NAWHTF3 NARIV601 HIGH 25.7 25.7 26.2 26.4 a 27.4 27.9 33.7 31.4 29.4 m MEAN 25.2 25.1 25.8 26.0 m 27.0 27.6 33.4 .30.9 29.0 m LOW 24.8 24.7 25.4 25.8 = 26.8 27.3 33.2 30.4 28.7 m HOURS 720 720 720 720 0.0 720 720 720 720 720 0.0 Y

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l PEASURED AT ONE METER INTERVAL DEPTHS FOR SELECTED STATIONS TAQLE 3. NORTH ANNA PLUME SURVEY SHOWING TEMPERATURES (IN CELSIUS)

IN LAKE ANNA.

STATION ---------------------------------------------------t l............................................-

DEPTH K L M N E F G H I J (M) A B C D DATE 27.8 27.4 27.5 27.9 28.8 28.3 28.2 28.2 28.4 28.3 28.3 28.1 27.8 27.8 27.8 08/28/92 0 28.1 27.8 27.8 27.8 27.4 27.5 28.3 28.2 28.2 28.4 28.3 28.3 27.7 1 28.8 27.8 27.8 27.8 27.3 27.4 28.2 28.4 28.3 28.3 28.8 2 28.7 28.3 26.2 27.7 27.8 27.7 27.1 27.4 27.4 3 28.6 28.2 28.2 28.2 28.4 28.3 28.2 28.0 26.5 28.4 28.3 28.2 28.0 27.7 27.8 27.5 26.6 27.1 4 28.6 28.1 28.2 28.1 27.1 26.2 26.4 26.8 28.1 28.1 28.4 28.2 28.2 27.9 27,6 27.7 5 28.5 27.9 27.4 27.6 26.2 25.9 25.3 25.6 6 28.4 26.7 28.1 28.0 28.3 28.2 28.1 27.6 24.9 25.3 28.c 26.4 27.1 27.2 26.8 25.9 27.5 26.2 28.0 27.8 28.1 28.1 7 26.4 26.7 25.8 24.8 8 27.1 26.0 27.7 27.5 28.0 28.8 27.3 26.1 25.9 25.6 25.7 9 26.3 25.8 27.3 27.8 27.7 27.6 26.3 25.9 25.5 27.2 26.3 26.9 25.6 25.6 25.2 10 25.8 25.7 26.9 26.4 25.2 24.9 25.2 25.6 25.3 26.6 25.7 25.8 25.7 25.2 25.3 11 25.1 24.6 24.9 i

12 25.2 25.3 25.7 25.5 75.7 25.3 25.0 24.9 25.1 ..4 25.0 2*.9 24.7 24.8 24.4 13 25.1 25.2 25.4 24.9 24.6 24.2 25.2 25.1 25.0 25.1 24.9 14 24.8 15 24.6 25.2 25.1 25.8 24.9 24.9 24.8 16 24.4 25.2 25.0 24.9 24.8 24.8 24.7 17 24.3 24.9 24.7 24.7 24.7 24.7 24.5 24.5 24.4 24.6 24.7 18 23.3 23.6 22.6 23.8 24.7 19 21.2 28.1 20 19.2 l

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A8LE 3. NORTH ANNA PLUME S --

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G H 27.4 27.8 F 27.8 27.8 27.4 27.5 D E 27.8 27.8 27.4 27.7-C 28.3 28.1 27.8 27.8 27.8 27.3 27.4 DEPTH A B 28.3 28.1 27.8 27.1 27.4 26.5-IM)' 28.2 28.4 28.5 27.8 27.7 27.1 DATE 28.2 28.4 28.3 28.3 28.0 27.8 26.6 26.0 28.3 28.2 28.3 28.0 27.7 27.8 27.5- 26.2 26.4 0 28.8 28 - 28.2 28.4 28.2 27.7 27.1 25.3 25 6 08/28/92 28.8 28.2 28.2 28.4 28.3 28s2 28.0 27.7 25.9 25.3 1 28 28.2 28.3 27.9 27.6 27.5 -26.2 24.9 28.7 28.2 28.4 28.2 27.4 26.0 25.9 24.8 2

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