ML19326C916

Monthly Rept of Fish Impingement,Synopsis, for Oct 1975

ML19326C916
Person / Time
Site:	Arkansas Nuclear
Issue date:	11/28/1975
From:	ARKANSAS POWER & LIGHT CO.
To:
Shared Package
ML19326C914	List: ML19326C913 ML19326C916
References
NUDOCS 8004290548
Download: ML19326C916 (10)

Text

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'*' flegu$ wry Docket Eile MONTHLY REPORT OF FISH IMPINGEMENT SYNOPSIS M;! L. M ,;.:.dl ?.AMI

h. h This is the first monthly report of fish impingement occurring on the travel-ing screens of Arkansas Nuclear One - Unit One, situated on Lake Dardanelle, Arkansas. Twenty-four hour samples were to be taken three times weekly be-ginning October 1,1975, but with tlie permission of the Nuclear Regulatory Commission staff (letter from Mr. B. J. Youngblood to Mr. William Cavanaugh,III, This report dated October 15,1975) this was delayed until November 1,1975 consists of twenty-four hour samples taken twice weekly and covers the period October 1, to October 24, 1975 The plant was off line October 24, 1975 through October 31, 1975 Total weight of fish Inlet water box temperatures ranged from 67 F to 71 F.

impinged in a twenty-four hour sample ranged from a low of ten pounds with A

482 individuals, to a high of thirty-seven pounds with 2300 individuals.

slightly higher number of individuals were impinged during the twenty-four hour l period ending at 8:00 a.m., on October 3, 1975 This total number was 2336 with a biomass of thirty-five pounds.

Total

' The most heavily impinged specie during the month was Threadfin Shad.

sample weight for this specie ranged from a low of eight pounds and 448 indivi-duals to a high of twenty-six pounds and 2189 individuals for a twenty-four hour period.

Threadfin Shad also contributed the greatest percentage of biomass to each sample taken in October. Percentage impingement over twenty-four hour periods for Threadfin Shad ranged from a low of forty-six percent to a high of eighty percent of total biomass of each sample during the .nonth.

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For the low, Channel Catfish contributed thirty-five percent and White Crappie, fifteen percent. .

The' total weight of Threadfin Shad impinged and analyzed was 128 pounds for the 4

month which contitutes sixty-eight percent of the total biomass analyzed.

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ANO SCREEN MONITORING RUN DATE !!/24/75 SAMPLE TAKEN8 10-03-75 INCLUSIVE TIME INLET WATERBOX AIR CURTAIN OF SAMPLE 824 HRS TEMPERATURE 67 F NUMBER OF CIRCULATING 24 n0UR TOTAL 24 HOUR TCTAL

• STATUSS OFF PUMPS 1h OPERATIONI 4 SAMPLE COUNT 2336 SAMPLE WEIGHT 35 LBS SPECIES NAME SPECIES 24 HR SPECIES 24 PR HAX1 MUM NODAL MODAL TOTAL WEIGHT (LBS) TOTAL COUNT LENGTH (MM) LENGTHikpl W t wtIGHitGR) s 1 WHITE CRAPPIE 2.00 12. 280 60 TO 90 5 421 0 TO 5 5 e

421 WHITE BASS 0.69 i

5. 235 150 TO 180 3 601 50 TO 55 2 409 LONGEAR SUNFISH 0 13 1. 138 120 TO 150

1 1001 65 TO 70 1 1001 SKIPJACK HERRING 0 04 1.

e 147 120 TC 150 1 1001 20 TO 25 1 1001 HROOK SILVERSIDE 0 01 2. 85

.) 60 TC 90 2 1005 0 TO 5 2 1005 BLUEGILL SUNFISH 0 14 18. 116 i 30 TO 60 16 89% 0 TO 5 16 891 FRESHWATER DRUM 0 24 24

) 105 60 TO 90 17 715 0 TO 5 le 75%

CHANNEL CATFISH 4.50 70. 350

) 60 TO 90 5 20% 0 TO 5 6 331

.HLUE CATFISH 1.13 7.

1 260 60 TO 90 2 291 0 TO 5 2 291 GIZZARD SHAD 0 81 12.

i 230 90 TO 120 7 58% 5 TO 10 6 509 THREADFIN SHAD 24.75 2178.

). 125 60 TC 90 22 481 0 TO 5 25 541 STRIPED BASS 0 07

) 6. 95 60 TO 90 4 675 0 TO 5 4 671 n

• TOTAL SAMPLE WT. INCLUDES 0.0 LBS OF DEBRIS ACCUMULATION.

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A% KANSAS PO!ER & LIGHT COMPANY AND SCREEN HONITORING WUN DATE 11/24/75

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) SAMPLE TAKEN: 10-07-75 huMBER OF CIRCULATING 24 HOUR TOTAL 24 HCUR TCTAL

• INCLUS1vE TIME INLET WATERBOX AIR CURTAIN 2300 SAMPLE mEIGHT 37 LBS TEMPERATUREt 68 F STATUS OFF PUMPS IN OPERATION 4 SAMPLE COUNT:

OF SAMPLE 124 HRS

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MAXIMUM N00AL MODAL SPECIES NAME SPECIES 24 HR SPECIES 24 HR kEIGHitGRI s 1 TOTAL WEIGHTtLBS) TOTAL COUNT LENGTHIPHI LENGTHtMMI e 1

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201 180 TO 210 1 1001 55 TO 60 1 1001 SKIPJACK HERRING 0.13 1.

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125 120 TO 150 1 1005 45 TO 50 1 1001 LONGEAR SUNFISH 0.!! 1.

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1 30 TC 60 3 759 0 TO 5 3 751 0.13 4 137 eLUEGILL SUNFISH

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60 TO 90 9 50% 0 TO 5 8 441 2.38 18. 307 WHITE CRAPPIE

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90 TO 120 2 401 10 TO 15 2 401 1.25 5. 300 WHITE BASS

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60 10 90 33% 0 TO 5 1 331 0 06 3. 126 1 STRIPED BASS

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1. 75 60 TO 90 1 100% 0 TO 5 1 1001 FLATHEAD CATFISH 0 01

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90 TO 120 3 25% 5 TO 10 3 251 3.13 45. 307 CHANNEL CATFISH

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120 TC 150 5 339 0 TO 5 5 331 1 38 - 15. 301 BLUE CATFISH I

90 TO 120 3 30% 5 TO 10 4 409 0 53 10. 217 G122ARD SHA0 1

J 90 TC 120 19 417 0 10 5 25 541 26.38 2189. 106 THREADFIN SHAD

ARKANSAS PO'IER & LIGHT COMPANY ANO SCHEEN MONITORING EUN DATE: 11/24/75 I .

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SAMPLE.TAKEN 10 75 INCLUSIVE TIME INLET mATERBOX AIR CURTAIN NUMdER OF CIRCULATING 24 HOUR TOTAL 24 HOUR TOTAL

• t OF SAMPLE 24 HRS TEMPERATURE 70 F STATUS 8 CFF PUMPS IN OPERATION 4 SAMPLE COUNT 970 SAMPLE mEIGHT 22 LOS

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SPECIES NAME SPECIES 24 MR SPECIES 24 HR MAXIMUM MODAL MODAL TOTAL WEIGHT (LBS) TOTAL COUNT LENGTH (PM) LEhGTHtMM) 8 1 WEIGHTtGR) e y l

GlZZARD SHAD 1.56 10. 239 210 TO 240 5 50% 20 10 85 2 20t THREADFIN SHAD 15.63 914 110 90 TO 120 16. 479 5 TO 10 16 47%

WHITE BASS 0.21 4. 168 90 TO 120 2 509 10 TO 15 2 501 STRIPED 6 ASS 0 19 3. 157 120 TO 150 2 67% 15 TO 20 1 339 i

MISSISSIPPI SILVERSIDE 0 01 2. 80 60 TO 90 2 1005 0 TO 5 2 1005 i

l dROOK SILVERSIDE 0 01 1. 91 90 TO 120 1 100% 0 TO 5 1 loot i

HLUEGILL SUNFISH 0.21 5. 161 30 TO 60 4 804 0 TO 5 4 eon FRESMwATER DRUM 0 50 2. 336 60 TO 90 1 50% 5 TO 10 1 501 WHITE CRAPPIE 1.44 6. 283 180 To 210 2 335 0 TO 5 1 171 dLUE CATFISH 0 19 1. 226 210 TC 240 1 100% e5 10 90 1 1002 -

CHANNEL CATFISH 1 56 22. 244 180 TO 210 7 32% 0 TO 5 4 181

• TOTAL SAMPLE WT. INCLUDES 0.0 LBS OF DEORIS ACCUMULATION.

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'l SAMPLE TAMEN! 10-21-75 INCLUSIVE TIME INLET <WATERBOA AIR CURTAIN NUMBER OF CIRCULATING 24 HOUR TOTAL 24 HOUR TOTAL

• of SAMPLE *24 HRS TEMPERATURE: 67 F STATUS: 0FF PUMPS IN OPERATION 4 SAMPLE COUNT: 1520 SAMPLE mEIGHT3 21 LOS

$PECIES NAME SPECIES 24 NW SPECIES 24 HR MAXIMUM MOCAL MUDAL TOTAL WEIGHT (LBS) TOTAL-COUNT LENGTH (PHI 'ENGTH(MM) s 1 WLIGHTIGR) s

• THREADFIN SHAD 14 19 1439. 110 60 TO 90 16 55% 0 TO 5 19 661 NISSISSIPPI SILVERSIDE 0 01 2. 52 30 TC 60 2 1005 0 TO 5 2 100t GOLDEN SHINER 0 01 3. 65 30 TO 60 2 671 0 TO 5 3 1001 dLUE CATFISH 0 04 4 85 60 TC 90 4 1001 0 TO 5 4 1001 CHANNEL CATFISH 0 35 8. 200 60 10 90 3 38% 0 TO 5 4 Son 612ZARD SHAD 1 14 9. 280 60 TO 90 5 561 0 TO 5 5 561 FRESHWATER DRUM 0 02 3. 97 60 TO 90 2 675 0 TO 5 2 671 WHITE CRAPPIE 2.90 7. 322 300 TO 330 2 291 430 TO 435 2 291

.bREEN SUNFISH 0 14 1. 155 150 TC 180 1 1005 65 TO 70 1 1001 ORANGE SPOTTED SUNFISH 0 01 1. 67 60 TO 90 1 1001 5 TO 10 1 100t _,

LONGEAR SUNFISH 0 25 4 120 90 TO 120 4 1001 20 TO 25 2 501 HLUEGILL SUNFISH 0.71 23. 135 60 TO 90 12 ~ 521 10 TO 15 7 Jos 10 TO' 331

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STRIPED BASS 1 02 6. 315 120 TO 150 3 SOS 15 2 WHITE BASS 0 39 10. 220 90 TO 120 8 801 5 TO 10 5 501 i

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• TOTAL~ IMPLE S WT IMt'.iiDES U.~0 L'BS OF DEB'RIS ACCUM'ULATION.

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