ML20149K092

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Quarterly Aquatic Toxicity Monitoring Rept - April 1997 Chemistry Rept: Part 3, for Discharge Number 001A
ML20149K092
Person / Time
Site: Millstone  Dominion icon.png
Issue date: 04/30/1997
From: Scace S, Shah M
NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES SERVICE CO.
To: Grier J
CONNECTICUT, STATE OF
References
D11245, SES-97-GN-120, NUDOCS 9707290242
Download: ML20149K092 (8)
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Text

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. 107 Selden Street, Berlin, Cr 06037 Utilities System Neheut Utihtia Senice Company 1

P.O. h 270

\ liartford, CT 06141 0270 (860) 665-5000 N

s July 22,1997 \

SES-97-GN-120 D11245 Mr. James Grier Supervising Sanitary Engineer Water Management Bureau Department of Environmental Protection 79 Elm Street Hartford, CT 06106-5127

References:

1. Letter (D11110), S.S.Scace to J.Grier, dated May 30,1997.

Dear Mr. Grier:

Millstone Station NPDES Permit No. CT0003263 Ouarterly Aauatic Toxicity Monitorine Renort - Aoril 1997 In reference 1, Northeast Nuclear Energy Company (NNECO) reported Aquatic Toxicity results for DSN 001 A which were performed during May and advised the Department that the chemical analyses supporting such results would be provided upon completion. Consistent with Reference 1, NNECO is submitting the Quarterly Aquatic Toxicity Monitoring Report (ATMR) - April 1997 Chemistry Report (Part 3) of the ATMR for Millstone Station's Discharge Serial Number (DSN) 001A. Both tests conducted had NOAEL>45% and were therefore acceptable with both Mysidopsis bahia and Cyprinodon vareigatus showing no toxicity.

As part of this submittal all information originally submitted for toxicity testing of DSN 001A (Reference #1) (Flow data, Part 1, and Part 2) is included here for additional information.

If there are any questions related to these results, please call Mr. Paul Jacobson, Environmental Services - Nuclear at (860) 447-1791 ext.2335.

Very truly yours, JN NORTHEAST NUCLEAR ENERGY COMPANY }C

, e Aw \ \

S. E.'Scace Director - Nuclear Engineering Programs Attachments cc: See Page 2 llllllll ((ljjfglllg 9707290242 970430 '**

PDR ADOCK 05000245 R PDR

4 cc.- DMR Processing Water Compliance Unit Department of Environmental Protection 79 Elm Street Hartford, CT 06106-5127 Department of Environmental Protection Lee Dunbar Aquatic Toxicity Section 79 Elm Street Hartford, CT 06106-5127 NRC NRC Resident inspectors I

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j

Aquetic Toxicity Monitoring Report: Part 3 c

Facility Name: Millstone DSN: 001A NPDES: CT0003263 Discharae_

Work Order: 97-0602 Sample Collected On: 05/19/97 Sample Received On: 05/19/97 Chemical Analysis Data The sample collected for use in toxicity tests run to determine compliance with NPDES permit limits or conditions :nast be analyzed for the parameters listed below. Enter the results of these analyses in th+. space provided and attached this form to the ATMR and transmit to DEP using the malling labels provided.

Report Date. June 13,1997 Concentration Date Parameter Code Effluent intake Analyzed Total Copper 01042-028 <20 ug/l <20 ug/l 06/10/97 Total Lead 01051-028 <5 ug/l <5 ig/l 06/10/97 Total Nickel 01067-028 <5 ugli <5 ug/l 06/10/97 Total Zinc 010927-028 6 ug/l 12 ug/l 06/10/97 H3 00610-019 <0.02 mg/l <0.02 mg/l 05/30/97 Total Suspended Solidu 00530-019 16.5 mg/l 18.1 mg/l 05/23/97 Surfactants 38260-019 0.02 mg/l 0.03 mg/l 05/21/97 Total Oil & Grease 70030 019 <0.5 mg/l < 0. 5 mg/l 05/28/97 Total Available Chlorine" C0030-028 30 ugli 30 ugli 05/19/97 Free Residual Chlorine" 50060 028 20 ug/l 10 ugli 05/19/97 pH" 7.9 S.U. 7.7 S.U. 05/19/97

  • Analyzed at site

" Analyzed by N.U.E.L Method: The samples were analyzed following procedures outlined in EPA Publication 600/4-79 020 as follows:

Total Suspended Solids: Method 160.2, Oil & Grease: Method 413, Metals: Method 200 '7, Surfactant: Method 425.1 Jmmonia: Method 350.3, TRO: Method 330.5.

Ma u Shah, Labor ~ peHiior ass Certification MA 071 s Conn Cerification PH4520 j

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. WATER COMPLIANCE UNIT / AQUATIC T0ZICITY 4

i AQUATIC T0ZICITI NONITORINC REPORT (ATMR)

J . l j FMT 1 Facility Name: WIL W NU DSN 001A' NPDES ID: CT Receiving Water: h ,- ~ ~ v: - + - m . Hardness: --- og/l l

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llaterbody ID:

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I Basin Code: o n'n n 2000 Sample Collected On:8 8-M (date) from d6dd AM to d6Co AM/

I. T0ZICITY SCREENING TEST

SUMMARY

2 j 1. CONTROL SAMPLE RESULTS Iggi Igg 1 Ig.1

. Percent survival: Ifysidopsis bahia . . IdO 4 /Od4 /004

! Cycrirodon variegatus.,, /dd g /dd g /dd g 1.

A

!.... . .. . If.less than-904 survival is recorded for one er more replicate - -

controls, a second effluent sample must be collected and the test procedure repeated. Tha .results for both samples should be submitted to the DEP on separate forms.

2. EFFLUENT SAMPLE RESULTS Mvsidopsis behia,,,,,,,,, 16 g Mean Pereont Survival:

(in 4-effluent) C/orirodor. variees.tus ,,, /6d g If the mean percent survival for either or both species is less than 904, the affluent is considered toxic and a second affluent sample must be collected and the test procedure repeated within thirty (30) days. The results for both samples should be submitted to the DEP on separate forms.

STATEMENT OF ACKNOULEDGEMENT I certify under penalty of law that this document and all attachments were propered under my direction or supervision in accordance with a system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting falso information, .ine'luding the possibility of fine and .

imprisonment for knowing violations. "

2 Authorized Official: 16. MI

Title:

IMOTOd Signature: Eb Date: 6 #!47 e  : ,

. ? lEl' 'c . +. .- , , . t f. ',. / .

Aquatic Toxicity Monitoring Report ,

Millstone Station DSN 001B 001C and 006 April 1997 NPDES Permit No. CT0003263 Millstone Station Northeast Nuclear Energy Company Prepared by: N Id h Y-E-H Approved by: Su 'A / A - Y/3*/f ;t e __

AOUATIC TOXICITY MONITORING REPORT : PART 2 .

Facihty Name NOIUMEAST UTILITIES MILISTONE STATION DSN 001 A NPDESID-CT0003263 Salmity:.28_ ppt Test temperature 20'2Cf2 Sample Collected On- 5/18/97- 5/19/97 (0600-0600) (date) Sample Recesved On- 5/19/97 (date) Ddution Water Source long Island Sound (TordanCnve)

Test Speciesafusidersrs luhia Source: NUEL Stock Age:1-5 days Test duratiorr4_8 hours Begmrung- 1002 (AM)On- 5 /19/97 (date)

End: 1012(AM) Ort 5/21/97 (date) -

EFFLUENT Number Organisms Dissolved Tem [wature pil DILUTION Surviving Oxygen ,

(%) (mg/l) hour 0 24 48 72  % 00 24 48 72  % 00 24 48 72  % 00 24 48 72 %

100%-1 10 9 9 6.2 7.4 6.8 20.0 21.1 20.9 8.1 8.0 8.1 '

100%-2 10 10 10 6.2 7.4 6.6 20.0 21.1 20.7 8.1 8.0 7.8 100%-3 10 10 10 6.2 7.4 6.5 20.0 21.1 20.8 8.1 8.0 7.8 100 %-4 10 9 9 6.2 7.4 7.2 20.0 21.1 20.7 8.1 8.0 7.8 100%-5 10 10 10 6.2 ,4 7.0 20.0 21.1 20.8 8.1 8.0 7.9 ,

CONTROL 10 10 10 6.2 7.6 7.9 21.2 20.8 20.8 82 8.0 7.9 (0%)-1 ,

i CONTROL 10 10 10 6.2 7.6 6.4 21.2 20.8 20.9 8.2 8.0 7.9 (0%)-2 CONTROL 10 10 10 6.2 7.6 6.7 21.2 20.8 20.8 8.2 8.0 7.9 (0%)-3 MEAN SAMPLE SURVIVAL (%) CONTROL SURVIVAL 1 2 3

((A+B+C+D+E) / 5)

  • 10 4% 100 % 100% 100 %

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