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Quarterly Aquatic Toxicity Monitoring Rept for April 1997 for Millstone, Discharge Serial Numbers 001A,001B,001C & 006
	ML20148K667
Person / Time
Site:	Millstone
Issue date:	04/30/1997
From:	Scace S; NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES SERVICE CO.
To:	; CONNECTICUT, STATE OF
References
	SES-97-GN-029, SES-97-GN-29, NUDOCS 9706180272
	Download: ML20148K667 (22)
	v • d • e

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l May 30,1997 SES-97-GN-029 D10791 1

Mr. James Grier Supervising Sanitary Engineer Water Management Bureau Department of Environmental Protection 79 Elm Street l

Hartford, CT 06106-5127

Dear Mr. Grier:

I Millstone Station i

i NPDES Permit No. CT0003263 Ouarterly Aquatic Toxicity Monitoring Reoort - Aoril 1997 Nonheast Nuclear Energy Company (NNECO) is submitting the Quarterly Aquatic Toxicity l

Monitoring Report - April 1997 for Millstone Station's Discharge Serial Numbers (DSN) 001 A, i

001B,001C, and 006. As discussed below, testing for DSN 001A was performed during the month ofMay. All tests conducted had either LC50>100% (DSN 006) or NOAEl>100% (DSN l

001A, 001B and 001C) and were therefore acceptable with. both Mysidopsis bahia and Cyprinodon wxreigatus showing no toxicity.

t As previously discussed with the Department, DSN 001A has not had condenser cooling water flow since November 1995. Based on an interpretation that the testing requirement was applicable only when flow was provided by the main condenser cooling water pumps, quarterly toxicity testing has not been performed since October 1995. A review of DSN 001 A, for the purposes of NNECO's upcoming NPDES permit renewal application, confirms that, in addition to the flow produced by the circulating water pumps, approximately 65% of Unit I service water system cooling water discharges via DSN 001 A. The remaining service water discharges via DSN 001 A-5.

At a meeting with the Department on May 2'9,1997, NNECO advised the Department that it had resumed toxicity testing m May 1997 upon discovery that its NPDES permit was subject to different interpretations. Results of this testilig are included in this report. Chemistry analyses will be finished in June and the information will be submitted immediately thereafter. At the May 29, 1997 meeting, it was agreed that NNECO would continue to perform Quarterly Toxicity Testing at this discharge whenever there was flow. through DSN 001A. Further, NNECO will be reviewing past submissions to the Department and will make revisions to the extent necessary consistent with the information p'rovid in this' letter, During the toxicity sample for Unit 2 (DSN 001B), the intake samples could not be retrieved in time to complete the Surfactant or Total Suspended Solid analyses within the allowed 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months .

I After a conversation with Traci Iott (CT DEP Water Management - Toxicity Section) on April

- ' 10,1997, a second set of chemistry samples from a grab sample were collected for sak these two \\l\\

.. parameters (on April 15,1997).eBy agreement, since toxicity tests with both species passed, (4

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. toxicity testing was not repeated *with thi.s. sample. 3 9706180272 970430

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D10791/SES-97-GN-029/Page 2 May 30,1997, l

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

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Very truly yours, i

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N NUCLEAR ENERGY COMPANY 1

Ch S. E cace Director - Nuclear Engineering Programs l

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DMR Processing Water Compliance Unit j

Department of Environmental Protection l

79 Elm Street l

Hartford, CT 06106-5127 1

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l Depanment of Environmental Protection j

Lee Dunbar

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Aquatic Toxicity Section 29 79 Elm Street t

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h VATER COMPLIANCE UNIT / AQUATIC TOIICITY AQUATIC TOIICITY MONITORING REPORT (ATMR)

PART 1

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Facility Name:

NU MILLSTONE (006)

NPDES ID:

CT0003263 Receiving Vater: Niantie Bay Salinity: 28-32 ppt Basin Code:

2000 Vaterbody ID:

2000

'/!1 b 2!f?(date) from /200 JJI/PM to // OO AM/)1f Sample Collected on:

I. r'Ar N A'f' ION OF INSTREAM VASTE CONCENTRATION (IYC)

Allocated Zone of Influence Flow Rate = (

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(A) 342000 tta l /hr (B) /O. 0 00 cal /hr Permitted Average Daily Flow Rate

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(C) kd W cal /hr Mean Flow for Previous 30 Operating Days

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Highest Daily Flow for Previous 30 Operating Days =

(D)

NO4 ral /hr IYC = (3 or C)*/ {(B or C) + A) X 100 IYC O

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If D/C is greater than 1.25, you must use 3, otherwise you may use either.

II. DET N TWATION OF COMPLIANCE COMPLIANCE STATUS l TEST SPECIES I LC50 i NOAEL l MAXTMUM DATLY T0XICITY ll

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1 STATEMENT OF ACKNOVLEDGEMENT I certify under penalty of law that this document and all attachments were prepared. unded my direction or supervision in accordance with a system designed to as,sure that qualified personne'i. 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 ~silbinitted is, to ~the best of ry knowledge and belief, true, accurate, and. complete. I am aware that ce are significant penalties for submitting false information, includist the possibility of fine and imprisonment. for knowing violations.

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5 WATEE COMPLIANCE UNIT / AQUATIC T0ZICITY AQUATIC TOEICITY MONITORINC REPORT (ATMR)

MIIl.STCNE/NU DSN 001A NPDES ID: cT Facility Name:

ag/l Receiving Water:

nee,--, te q-m p.

Hardness:

Vaterbody ID:

2000 Basin Code:

>nnn Sample Collected on:5 /8 -/f (date) from 66dd AM/ M to Oddd AM/

I. TOEICITT SCREENING TEST SUMMART

1. CONIROL SAMPLE RESULTS x131 Inni Iggj.

Percent survival: Mysidonsis bahia..

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/00 t Cycrinodon variegatus_,,

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

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

2. EFFLUENT SAMPIE RESULTS Mean Percene Survival:-

Mvsidopsis behia.........

96 m (in t-effluent)

Cyorinodon variecatus,,,

/Cd a 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 procedura repeated within thirty (30) days. The results for both samples should be submitted to the DEP on separate forms.

STATEMENT OF ACKNOWLEDGEMENT I certify under penalty of law that this document and all attachments were prepared 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 signifiesnc penalties for submitting false-information,~. including *the possibility uI fine and imprisonment for knowing violations.

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Facility Name:

m r mvnm int nnn NPDES ID.: CT og/l

j Receiving Water:

Omm en m en+4 h Hardness:

Basin Code:

?nnn Waterbody IL:

2000 Yb b Ykkf(due) from /dW to UM sample Collected on:

I. TOEICITY SCREENING TEST

SUMMARY

1. CONTROL SAMPLE RESULTS ragl Iggg g

I Percent survival: ifysidopsis bahia........

90 g 94 g

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I Cyorinodon variegatus...

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

1 controls, a second effluent sample must be collected and the test i

procedure repeated. The results for both samples should be submitted to the DEP on separate feras, i

2. EFFLUENT SAMPLE RESULTS Mean Percent Survival:

Mysidorsis bahia.,,,,,,,,

44 g

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Cyorinodon variegatus,,,

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If the mean percent survival for either or both species is less than 904, the effluent is considered toxic and a second affluent sample i

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.

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MTEMENT OF ACKNOWLEDGEMENT l

I certify under penalty of icw that thh.s document and all attachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified Perr.onnel properly gather and evaluate the information submitted. Based on my inqviry 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, I

accurate, and complete. I an awarp that there are significant penalties for submitting falsa information, including tche possibility of fine and imprisonment for knowing violati6ns.

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AQUATIC TOEICITT MONITORING REPORT (ATMR)

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NPDES ID: CT i

l Receiving Water:

Cuarry to Niantic Bay Hardness:

ag/l Basin Code:

2000 Waterbody ID:

2000 4k/M (date) from 02NN/M to /W M/h j

Sampla Colloctad on:

I. TCEICITY SCREENING TEST SUMMART i

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1. CONTROL SAMPLE RESULTS IAEl Ital ISRI i

Percent survival: Mysidopsis bahia........

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Overinodon varieentus...

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If less than--904 survival is recorded for one er more repiteate *- -

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procedure repeated. The results for both samples should be submitted to the DEP on separate forms.

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2. EFFLUENT SAMPLE RESULTS Mean Percent Survival:

Mysidopsis bahia........

9A e (in 4 effluent) l Cynrinodon varieratus...

/dd n If the mean percent survival for either or both species is less than 904, the effluent is considered toxic and a second effluent sample must be collected and the test procedure repeated within thirty (30) i days. The results for both semples should be submitted to the DEP on separate forms.

$TATEMENT OF ACKNOWLEDGEMENT t

I certify under penalty of law that this document and all attachments were prepared under arj 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, i

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 thera are significant penalties for submitting false information, including the possibility of fine and imprisonment for hoving violations. ~

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Aquatic Toxicity Monitoring Report

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Millstone Station DSN 001B 001C and 006 April 1997 li NPDES Permit No. CT0003263 l

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AOUATIC TOX1 CITY MONITORING REFOKr :PART2 3 ;

t Pacility Name NOKn1 EAST 1TrtIJrIES MILLN_STA'ITON DSN006 NPDESID:Cinots263 salinity:.29.Lppt Test temFerstme2r>c +3 Dautionw.6erSomce%leiend j

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Sound flordan Cove - F0 sered) Semple CoDected Ort 4/2/9?f1200)- 4/3/97(11001 (date) Sample Received Orr 4/3/97 (date) Test SpeciesMvademis habie Source NUELStock Aged I

1 hTestdumtierrJ8_ hours Begmning-15El(PM) Ort 4/3/97 (date) End:1656fPM) Orr 4/5/97(date)

EFFLUEPTT Number Organisms Dissolved Temperatum pig DillTI10N Surviving Oxygen s

-(%)

(mg/I) hour 00 24 48 72 00 24 48 72 96 00 24 48 72 00 24 48 72 96 100%-1 10 9

8 8.1 7.9 6.9 2L2 21.7 21.6 9.0 9.0

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8.1 7.9 5.6 21.2 21.7 223 9.0 9.0 84 75 %-1 10 10 9

73 7.8 7.2 21.4 21 7 21.6 8.8 8.9 8.7 75 %-2 to 8

8 73 7.8 5.8 21.4 21.7 22.0 8.8 8.9 83 63 %-1 10 9

8 73 7.6 7.2 21.5 21.7 21.6 8.8 88 8.6

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63 5-2 10 10 10 73 7.6 5.7 21 3 21.7 22.1 8.8 8.8 83 50%-1 10 10 8

7.4 73 7.2 21.5 21.7 21.6 8.7 8.7 8.5 50%-2 to 10 10 7.4 73 6.0 21.5 21 7 22.0 8.7 8.7 8.2 25%-1 10 9

9 7.2 7.5 7.2 21 7 21 7 21.6 83 83 8.4 25 %-2 10 10 10 7.2 73 5.4 21.7 21.7 22.0 83 83 8.1 CObrrROL 10 to 10 7.8 77 7.9 21.7 21.7 21 3 8.2 83 8.2 i

(0%)-1 COBTTROL 10 10 10 7.8 77 6.2 21.7 21.7 22.0 8.2 83 7.8 (0%)-2 Ifse 95% CONFIDENCEINERVAL NOAEL COMPtTTATIONAL MEI110D

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Persons conducting test: ROli Millstone 1

Facility Nwe NORlTIEAST IJTILITIES MILLSTONE STATION DSN 001B NPDES ID: CT0003263 Salinity:_29. ppt Test temperature: 2_0_2_12_ Sample Collected Oste /3/97 (1030M/4/97(1130) date Sample Received On 4/4/97 (date) Dilution Wster Source Lone Island Sound (fordan CovATest Species $fusidesis behis Source NUEL Stock Age:,ES hysTest duration _48._ hours Baginning-1310(PM)On 4/4/97 (date) End 1338(PM) On:4!6/97 (date)

EFFLUENT Number organisms Dissolved Temperature pig l

DILUTION Surviving Oxygen I

(%)

(mg/l) f hour 0

24 48 72 00 24 48 72 00 24 48 72 00 24 48 72 100%-1 10 10 10 8.8 8.0 7.1 21 5 21.6 21.5 8.2 83 8.2 100%-2 10 10 10 8.8 8.0 5.7 21 3 21.6 21 3 8.2 83 7.8 100%-3 10 10 10 8.8 8.0 5.4 21 5 21.6 213 8.2 83 7.8 100%-4 10 10 10 8.8 8.0 5.1 21 5 21.6 21 3 8.2 83 7.8 100%-5 10 9

9 8.8 8.0 4.9 21 5 21.6 21 3 8.2

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AOUATIC TOXICrrY MONITORING REPORT : PART 2 cr Facility Name: NORTHEAST tmIIITES MILISIONESTATION DSN 001C NPDES IDfT00m263 Salinity:_29pt Test temperature 8Jsample CN N 4/5/97 R20-Ig@ (date) Sample Received On-4/5/97(date) Dilution Water Souar lonr island Sound (1ordan Cove) TestSpecesafusevses luiria Source: NUEL Seock Age: <5 da duration 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months 0,J...L g 1607 (PM) Orr 4/5/97 (date) Erwi-1555 (PM) On-4/7/97 (date)

EFFLUENT Number OrgeJaa Dissolved Temperature DILUTION Surviving Oxygen p}g

(%)

(mg/I) hour 0

24 48 72 00 24 48 72 00 24 48 72 96 00 24 48 72 100%-1 10 10 9

9.1 73 7.1 22.0 21.7 21.7 a.1 33 g3 100%-2 10 10 10 9.1 73 63 22.0 21 5 21.7 s.1 83 7.3 100L3 10 10 10 9.1 73 63 22.0 21.7 21.7 a.1 g3 7.3 100 %-4 to 10 to 9.1 73 6.1 22.0 21.7 21.7 s.1 33 7.3 100 %-5 10 10 to 9.1 73 6.2 22.0 21.7 21.7 8.1 33 7.9 CONIROL 10 10 10 7.9 75 6.8 21 5 21 5 2L7 8.2 8.2 82 (0%)-1 CONTROL 10 10 10 7.9 7.5 5.9 21 5 21 5 21.7 8.2 8.2 7.8 (0%)-2 l' '

CONTROL 10 10 10 7.9 7.5 6.0 21.5 21 5 21.7 8.2 8.2 7.8 l

(0%)4 i

b MEANSAMPL.ESURVIVAL(%)

CONTROL 1

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SURVIVAL if *

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

10 =98%

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.1 i T-l Facility Name NORTHEAST UTILrrlES MILISTONE STATION DSN 001C NPDES ID: CTt1003263 Salinity:19_ pt Test tempercture _20 CASampleCollectedOrc 4/5/97 ~

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gg001430) date) Sample Received Oru 4/5/97 (date) Dilution Water Source Imr Island Sound flordan Cove) Test Species:Cwrinadan twrireatus Source: Cooper L..;.w.tal ServicesInc. Age 27 days Test durettore.96._ hours Beginnmg:.lf16_(PM) Orc 4/5/97 (date) End-1610 fPM) Om 4/9/97 (date)

EFFLUENT Number Organisms Dissolved Temperature pH DILU110N Surviving Oxygen

(%)

(mg/I) hour 0

24 48 72 00 24 48 72 96 00 24 48 72 00 24 48 72 100%-1 10 10 10 10 10 9.1 73 7.1 6.6 6.7 22.0 21.7 21.7 22.0 22 0 8.1 83 83 8.2 8.0 f

100%-2 10 10 10 10 10 9.1 73 7.1 66 5.5 22.0 21.7 21.7 220 22.2 8.1 83 83 8.2 7.8 100%-3 10 10 10 10 10 9.1 73 7.1 6.6 5.6 22.0 21.7 21.7 22 0 22.1 8.1 83

53 8.2 7.8 100%-4 10 10 10 10 10 9.1 73 7.1 6.6 5.6 22.0 21.7 21.7 22.0 22.2 8.1 83 83 8.2 7.8 100%-5 10 10 10 10 10 9.1 73 7.1 6.6 5.6 22.0 21.7 21.7 22.0 22.2 8.1 83 83 8.2 7.8

)

t CONTROL 10 10 10 10 10 7.9 75 6.8 7.1 C9 21.5 21 5 21.7 22.1 22.1 8.2 8.2 8.2 8.1 8.0 l

(0%)-1 i

CONTROL 10 10 10 10 10 7.9 7.5 6.8 7.1 5.9 21 5 21 5 21.7 22.1 22.2 8.2 8.2 8.2 8.1 7.8

'[

(0%)-2 i

CONTROL 1G 10 10 10 10 7.9 7.5 68 7.1 5.8 21 5 21 5 21.7 22.1 22.2 8.2 82 8.2 8.1 7.8 l

(0%)4 1

i L'

MEAN SAMPLESURVIVAL (%)

CONTROL 1

2 3

SURVIVAL

1 t

I,

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

10 =100%

h. j.

100%

i

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Peim conducting test.R,_Qll s

b l

6 i

Millstone 5

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_ _ _ _ ~.... _. - - - - _ - _ - - - - - - _ - - - _ - _. -

AOUATIC TOXICTTY MONITORING REPORT : PART 2

~

e-Fadlity Name: NORmEAST imtEES MIIISTONE STAi10N DSN 001 A NPDESIDCI11003263 Salinity: 28L ppt Test temperature: 20 Cg2 Sample CoHecwd Orc _ 5/18/97-G 5/19/971060046001 (date) Sample Received On-5/19/97 (date) Dilution Water Source-lmna Island Sound flordanCove) Test SpM."

- 1 habe Sourm NUELStock Age 1-5 days Test duratierrghourc,...;, - 1002 (AM)Orr 5 /19/97 (date) End-1012 fAM) On-5/21/97 (date) e EFFLUE!TT Number Organisms Dissolved Temperature pli DILimON Surviving Oxygen

(%)

(mg/I)

?

hour 0

24 48 72 00 24 48 72 96 00 24 48 72 00 24 48 72 96 i

45 %-1 10 9

9 6.2 7.4 6.8 20.0 21.1 20.9 8.1 8.0 8.1 45 %-2 10 10 10 6.2 7.4 6.6 20.0 21.1 20.7 8.1 8p 7.8 45 % 3 10 10 10 6.2 7.4 65 20.0 21.1 20.8 8.1 8.0 7.8 l

[

45 %-4 to 9

9 6.2 7.4 7.2 20.0 21.1 20.7 8.1 8.0 7.8 45 %-5 10 to 10 6.2 7.4 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 8.2 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 i

CONTROL 10 10 10 6.2 7.6 6.7 21.2 20.8 20.8 8.2 8.0 -

73 an I

I i

MEAN SAMPLE SURVIVAL (%)

CONTROLSURVIVAL 1

2 3

i

,{

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

10 -96%

100 %

100%

Persons conducting test ROH DPC 1

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Millstone 6

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Pacility Nm NORTliEAST ITTILITIES MII.15FONE STATION DSN 001 A NPDES ID-CTU003263 Salinity-28 ppt Test temperature-29 CtLSample Collected On: 5/18/9f-a-

5/19/97 (06040600) (date) Sample Received On: 5/19/97 (date) Dilution Water Source:lmne Island Sound (Tonlan Cove) Test Species:Cvprinodos varienetus Source: NUEL Stock Age 18-25 days Test duration 26_ hours Begmnmg 0852 (AM) On-5/19/97 (date) End: 1012 (AM) On-5/23/97 (date) d!

f EFFLUFNr Number Organisms Dissolved Temperature pil DILIIIION Surviving Oxygen l

(%)

(mg/l) hour 0

24 48 72 00 24 48 72 00 24 48 72 00 24 48 72 45 U1 10 10 10 10 10 6.2 7.4 6.8 7.0 7.7 20.0 21.1 20.9 203 21.0 8.1 8.0 8.1 8.1 8.1 I

45 %-2 10 10 10 10 10 6.2 7.4 6.8 7.0 6.6 20.0 21.1 20.9 20.5 20.3 8.1 8.0 4.1 8.1 7.8 e

45 03 10 10 10 10 10 6.2 7.4 68 7.0 6.8 20 0 21.1 20.9 20.5 203 8.1 8.0/

8.1 8.1 7.9 h.

45 %-4 10 10 10 10 10

&2 7.4 6.8 7.0 6.6 20.0 21 1 20.9 205 20.2 8.1 8.0 8.1 8.1 7.9 f

45%-5 10 10 10 10 10 6.2 7.4 6.8 7.0 6.4 20 0 21.1 20.9 205 20.2 8.1 8.0 8.1 8.1 7.8 i

m b

CONTROL 10 to 10 10 10 6.2 7.6 7.9 8.1

~1.6 21.2 20.5 20.8 20 6 20.9 8.2 8.0 7.9 8.0 8.1 (0%)-1

&i!

CONTROL 10 10 10 10 10 6.2 7.6 7.9 8.1 53 21.2 20.8 20.8 20.6 20 3 8.2 8.0 7.9 8.0 7.6 (0%)-2 CONTROL to 10 10 10 10 6.2 7.6 7.9 8.1 5.2 21.2 20.8 20.8 20.6 203 8.2 80 7.9 8.0 7.7

[

(0%)-3 5

MEAN SAMPLESURVIVAL(%)

CONTROLSURVIVAL 1

2 3

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

10 -100%

100%

100 %

Persons conducting test:

ROliIMV 4

t i

i t

i

?

Millstone 7 r

I

t i

DI Refereree Toxicant Results j

SPECES DATE ltDGCANT SOURCE LC50 I

Mysedopsis bnWo Sodium DodecylSulfate Fisher Sci.

14.9 ppm (12.9-172) 4-15-97 8 6 ppm @D-14.7) 5-19-97

+

16.4 ppm (133-B.4) 14.41 ppm (10.41 19.94) t f

S Y

I C r. -

verirgefus Sodium DodecylSulfate Fisher Sct 4.9 ppm (4.64 0) y 7.75 ppm (6.0-10.0)

I gn

!M i

m Comments

i !.!

o Statementof Acknowledgement

'{

i t

i I artify that the data reported on this document were prepared under my direction or supervision in accordance with the testing protocol described in EPA 600/4-85/013 and j

Sections 22a4%3 and 22a430-4 of the Regulations of Connecticut State Agencies except as noted above. De information submitted is, to the best of my knowledge and belief, true, i

accurate, and complete.

t t

I i

l Authorized Offidal: Milan Keser

Title:

Manager - Northeast Ut.lities Environmental hboratory signature-Ah

/b

Date: f/2&/77

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i I

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Millstone 8 I

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8

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_. _o i 't J - --

-Aquatic Toxicity Monitoring Report: Part 3 1

4 l

j Fachlity Name: Millstone DSN:

001B NPDES: CT0003263 Unit 2 Discharge Work Order:

97-0424 1

l Sample Collected On:

04/04/97 Sample Received On:

04/07/97 i

Chemical Analysis Data,

I J

i The sample collected for use in toxicity tests run to determine compliance with NPDES permit limits or conditions rnust be analyzed for the parameters listed below. Enter the results of 4

these analyses in the space provided and attached this form to the ATMR and transmit to DEP

)

using the mailing labels provided.

i Report Date: MAy 13,1997

)

]

Concentration Date j

Parameter Code Effluent intake Analyzed i

Total Copper 01042-028

<20 ug/l

<20 ug/l 05/09/97

}

Tctal Lead 01051-028

<10 ug/l

<10 ug/l 05/09/97 i

Total Nickel 01067-028

<10 ug/l

<10 ug/l 05/09/97

~

Total Zinc 01092-028

<10 ug/l 20 ug/l 05/09/97 NH3 00610-019

<0.02 mg/l

<0.02 mg/l 04/11/97 Total Suspended Solids 00530-019 12.8 mg/l mg/l 04/11/97 Surfactants"*

38260-019 1.5 mg/l mg/l 04/04/97 Total Oil & Grease 70030-019

<0.5 mg/l

< 0.5 mg/l 04/28/97 i

Free Available Chlorine" C0030-028 0.04 ug/l ugIl 04/04/97 1

Total Residual Chlorine"'

50060-028 0.04 ug/l ug/l 04/04/97 l

Free Available Chlorine

C0030-028 ug/l ug/l j

pH 8.2 S. U.

S. U.

04/04/97 1

l l

- - Analyzed by Envirolab inc.

i i

j i

Analyzed at site j

" Analyzed by N.U.E.L i

Method: The samples were anaejzed following procedures outlined in EPA Publication 600/4-79-020 as f allows:

2 Total Suspended Solid s: Metho,d 160.2. oil & Grease: Method 413, Metals: Method 200 7, Surfactant: Method 425.1 i

Ammonia: Method 350.3, TRo: Method 330.5.

l l

^

MadWu Shah, Laboratory Supervlabr Mass Certincation -MA 071 Conn Cerification - PH 0520

=g 2

Aquatie. Toxicity Monitoring Report: Part 3

-- i Facility Name: Millstone Unit 2 DSN:

0018 NPDES:

General Discharge Work Order:

97-044i7 Sample Collected On:

04/15/97 Sample Received On:

04/16/97 Chemical Analysis Data.

The sample collected for use in toxic.ity tests run to determine compliance with NPDES permit limits or conditions must be analyzed for the parameters listed below. Enter the results of these analyses in the space provided and attached this form to the ATMR and transmit to DEP using the mailing labels provided.

Report Date: May 13,1997 Concentration Date Parameter Code Effluent intake Analyzed Total Copper 01042-028 ug/l ug/l Total Lead 01051-028 ug/l ug/l Total Nickel 01067-028 ug/l ug/l Total Zinc 01092-028 ug/l ug/l NH3 00610-019 mg/l mg/l Total Suspended Solids 00530-019 21.2 mg/l 15.2 mg/l 04/18/97 Surfactants"*

38260-019 0.02 mg/l 0.02 mg/l 04/18/97 Total Oil & Grease 70030 019 mg/l mg/l Free Available Chlorine" C0030-028 ug/l ug/l Total Residual Chlorine *' 50060-028 ug/l ug/l Free Available Chlorine

C0030-028 ug/l ug/l pH S. U.

S. U.

Analyzed at site

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

Total Suspended Solids: Methed 160.2, oil & Grease: Method 413, *4etals: Method 200-7, Surfactant: Method 425.1 Arr.monia: Method 350.3 TRO: Method 330.5.

Madhu Shah, Laboratory Supervlaoi Maas Certification - MA.071 h

Conn Cerification - PH4520

w_

h" ~

.'. ~ M;- - -

l 2 i.-

Aquatih Toxicity Monitoring Roport: Part 3 i

Facility Name: Millstone DSN:

001C NPDES:

CT0003263 Unit 3 Discharge Work Order:

97-0423 Sample Collected On:1 0405/97 Sample Received On:

04/07/97 l

Chemical Analysis Data,

v.

The sample collected for use in toxicity tests run to determine compliance with NPDES permit limds or conditions must be analyzed for the parameters listed below. Enter the results of these analyses in the space provided and attached this form to the ATMR and transmit to DEP using the mailing labels provided.

Report Date: May 13,1997 Concentration Date Parameter Code Effluent intake Analyzed i

l Total Copper 01042-028

<20 ug/l

<20 ug/l 05/09/97 l

Total Lead 01051-028

<10 ug/l

<10 ug/l 05/09/97 j

l Total Nickel 01067-028

<10 ug/l

<10 ug/l 05/09/97 i

Total Zinc 010927-028

<10 ug/l 19 ug/l 05/09/97 1

NH3 00610-019

<0.02 mg/l

<0.02 mg/l 04/11/97 Total Suspended Solids 00530-019 15.2 mg/l 25.1 mg/l 04/11/97 Surfactants 38260-019 0.02 mg/l 0.02 mg/l 04/07/97 l

Total Oil & Grease 70030-019

<0.5 mg/l

< 0. 5 mg/l 04/28/97 l

Frse Available Ch!orine*-

C0030-028 0.10 ug/l ug/l 04/05/97 Frse Residual Chlorine" 50060-028 0.02 ug/l 0.09 ug/l 04/05/97 Total Available Chlorine" C0030-028 0.05 mg/l 0.09 mg/l 04/05/97 l

pH" 8.1 S.U.

8.2 S.U.

04/05/97 l

l

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:

i Total Suspended Solirls: Method 160.2, Oil & Grease: Method 413, Metals: Method 200-7, Surfactant: Method 425.1 i

Ammonia: Method 350.3, TRO: Method 330.5.

l Madhu Shah, Laboratory Supervlaar Mass Certifica:lon - MA-071 l

conn Cerification - PH-0520

\\

?

.=.. _

N.

~~~

Aquatic Toxicity iVlonitoring Report: Part 3

~~

Facility Name: Millstone Unit 3 DSN:

006 NPDES:

General Storm Drain Work Order:

Sample Collected On: 0NO3/97 Sample Received On: ONON97 Chemical Analysis Data The sample collected for use in toxicity tests run to determine compliance with NPDES permit limits or conditions must be analyzed for the parameters listed below. Enter the results of these analyses in the space provided and attached this form to the ATMR and transmit to DEP using the mailing labels provided.

Report Date: May 13,1997 Date Parameter Code Concentration Mass Analyzed Total Suspended Solids 019 0.6 mg/l kg/d 04/0N97 Total Oli & Grease 019

<0.5 mg/l ON07/97 pH" 012 7.6 SU kg/d 0403/97 Total Copper 001

<0.02 mg/l 05/09/97 Total Lead 001

<0.10 mg/l kg/d 05/09/97 Total Nickel 001

<0.05 mg/l kg/d 05/09/97 Total Zinc 019 0.10 mg/l kg/d 05/09/97 Total Residual Chlorine

019 0.05 mg/l kg/d ONO3/97 Total Residual Chlorine" 019 0.04 mg/l 0403/97 Ammonia as N 019

<0.02 mg/l 0411/97 MBAS 606 0.02 mg/l ONON97 Flow 609 gpd

Analyzed at site

" Analyzed by N.U.E.L Method: The samples were analyzed following proceduras outlined in EPA Publication 600/4 79420 as follows:

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

MadWu Shah, Laboratory Supervisor Mass Certification MA.071 Conn Cerification - PH.0520

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l 7.3 11 10 10 0

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'.NE5T aND HIGHE5T PH AT 015:H A GE STRUCTUPE (FH UNITS)

. s LCWEST AND HIGHE5T FLOW FROM DISCHwAGE STRUCTURE (10**3 GwL/ MIN) f2 LOWE5T AND HIGHEST NUMBER OF CIRC PLaPS OPER TING

= M9XIMUM TEMPERATURE AT. DISCHARGE STRUCTUPE (DE3 F1 s PINIMUM TEMPERATURE AT DISCHARGE STRUCTURE (DE3 F!

m AVERAGE TEMPERATURE AT DISCHwAGE STRUCTURE (C{G F) 3 9

m STANDARD,CEVIATIOWOF TEMPERATURE AT DISCHARGE STRUCTUPE (DE3 F)

MAXIMUM. TEMPERATURE

INCREASE SETWEEN INTAKE AND D15CHwRGE (CES F) z MINIMUMJEMP.ERATURE INTkVE AND DISCHAP.GE (CEG F)

' = AVERAGE. TEMPERATURE,1NPREASE BETWEEN

. l g INCREAEE BETWEEN INTW.E AND DISCH PGE (CES F)

- U(.

T =' 5TANDARD. DEVIATION OF TEMPERATURE INCREASE BETWEEN INTAVE HND DISCHARGE (DEG F)

MAXIMUM HEAT'LCAO'OF DISCHARGE WATER (10**e BTU /HR) i Wg MINIMUM HEAT LouOiOF." BIS."HwRGE WuTER (10**e BTU /HR) 1

$VERAGE HEAT J OAD.0F DI5fH RGE WATER f.(10# A6 BTU /HR)

TANDARD DEVIATION OF HEAT LOAD OF. DISCHARGE WATER _ (iC* *6 PTU/HR)

' g t%AIMUM' RATE OF THANGE OF HEAT LOAD:(HL' FOR QUARTER HGUR T.MINUS HL FOR GUAP.TER HOUR T-1/ QUARTER HGUR) (10ku6 BTU /

- 23 r5 MISSIN,G OR INSUFFIC.IENT DATA.(LESS,T.HAN 10 HRS /DwY.OF V,uLIO HCJRLY D9 tai LE55 THAN 360 HRS / MONTH OF VALID HOURLY DATA) n.

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DATA ACQUISITION INTE.RVwL a MINUTES QQ-1E OF EwCH HOUR i

3 l

DuY FM RmNGE FLOW RwNGE CIRC PU9F Ma MIN wV3 SCEV MM FIN uVO SCEV MwX HL MIN HL AVG HL 50 H.

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5.0- 7.3 174 10 1E9 2

G 42.3 4C.1 41.1 C.5 07 0.4 1.3 C.9 17E.5 11.E 45.E IE.

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ML20148K667

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