ML020850698

Tennessee Valley Authority - Discharge Monitoring Report for Sequoyah Nuclear Plant

ML020850698
Person / Time
Site:	Sequoyah   (DPR-077, DPR-079)
Issue date:	03/12/2002
From:	Nida D Tennessee Valley Authority
To:	Haskin E Office of Nuclear Reactor Regulation, State of TN, Dept of Environment & Conservation
References
Download: ML020850698 (12)

Text

Tennessee Valley Authority, Post Office Box 2000, Soddy-Daisy, Tennessee 37379-2000 March 12, 2002 State of Tennessee Department of Environment and Conservation Division of Water Pollution Control 401 Church Street, 6th Floor Annex Nashville, Tennessee 37243-1534 Attention: Ms. Evelyn Haskin, Enforcement & Compliance

Dear Ms. Haskin:

TENNESSEE VALLEY AUTHORITY - DISCHARGE MONITORING REPORT FOR SEQUOYAH NUCLEAR PLANT Please find enclosed the Discharge Monitoring Report (DMR) of February 2002 for Sequoyah. Please contact me at (423) 843-6700 if you have any questions or comments.

Sincerely, Diedre B. Nida Environmental Supervisor Signatory Authority for Richard T. Purcell Vice President Sequoyah Nuclear Plant

Enclosures:

2 (original & copy) cc (Enclosure):

Chattanooga Environmental Assistance Center Division of Water Pollution Control State Office Building, Suite 550 540 McCallie Avenue Chattanooga, Tennessee 37402-2013 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555

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DISCHARGE MONITORING REPORT (DMR)

OMB No. 2040-0004 (SUBR 01)

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NUMBER DIFFUSER DISCHARGE EFFLUENT PFRIOT O YAR YAR I MO I AY NO DISCHARGE

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fY OR LOADING QUALITY OR CONCENTRATION NO.

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AVERAGE MAXIMUM UNITS ANALYSIS.

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NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I Certify under penalty of law thatthis document and all attachments were prepared under my TELEPHONE DATE NAMETITE PINCIAL XECflVEOFFCER direction or supervsion in accordance with a system designed to assure that qualified Richard T. Purcell personnel properly gather and evaluate the Information submitted. Basad on my inquiry of the person or persons who manage the system, or those persons directly responsible for gathering Environmental Suervisor the information, the information submitted is, to the best of my knowledge and belief, true, 423 '

.3-6700 02 03 12 Site Vice President accurate, and complete. I am aware that there are significant penalties for submitting false SIGNATURE OF PRINCIPAL EXECUTIVE information, including the possibility of fine and imprisonment for knowing violations.

OFFICER OR AUTHORIZED AGENT AREA NUMBER YEAR MO DAY TYPED OR PRINTE D n

COMMENTS AND EXPLAN, 1TIN OF ANY VIOLATIONS (Reference all atalchments here No closed mode operation. The following injections occured: 1. PCL-222 (max. calc. conc. was 0.027mg/L--limit 0.100mg/L) 2. CL-363 (max. calc. conc. was 0.009mg/L--Iimit 0.100mg/L) 3. PCL-222/PCL-401 (max. calc. conc. was 0.025mg/L--limit 0.100mg/L)

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PERMITTEE NAME/ADDRESS (Include Facility Name/Location ff Different)

Name TVA - SEQUOYAH NUCLEAR PLANT Address OX200.......................

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DISCHARGE MONITORING REPORT (DMR)

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PERMAIT ýNUMBER DISCHARGE; UMBER MONITORING ERfIOD yA?

MO r)AY I I YFAI I 'O I DAY From 02 02 01 To 02102128 MAJOR Form Approved.

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OMB No. 2040-0004 F - FINAL LOW VOL. WASTE TREATMENT POND EFFLUENT (NO DISCHARGE"' El NOTE: Read Inslructions before completing this form.

NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of law that this document and all attachments were prepared under m y direction or supervision in accordance with a system designed to assure that qualified 4x TELEHON D

Richard T. Purcell personnel properly gather and evaluate the information submitted. Based on my inquiry of the person or persons who manage the system, or those perspns directly responsible for gathering Environmental Supervisor 42

,43-6700 02 0>3 '12 the information, the information submitted is, to the best of my knowledge and belief, true, mentalSupervisor_423 02_'12 Site Vice President accurate, and complete. I am aware that there are significant penalties for submitting false SIGNATURE OF PRINCIPAL EXECUTIVE information, including the possibility of fine and imprisonment for knowing violations.

OFFICER OR AUTHORIZED AGENr AREA NUMBER YEAR MO DAY TYPED OR PRINTED C__ODE__

COMMENTS AND EXPLANT$'ON OF ANY VIOLATIONS (Reference all attachments here S....

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MAJOR Form Approved.

DISCHARGE MONITORING REPORT (DMRJ (SUBR 01)

OMB No. 2040-0004 5107 G F - FINAL PERMI NUMBER I

NMBE METAL CLEANING WASTE POND POIIO EFFLUENT YA I

DAY FAR MO IDAY-NO DISCHARGE' F7 From 02 02 101 To [!E02 A

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NOTE: Read Instructions before completing this form.

QUANTITY OR LOADING QUAUTY OR CONCENTRATION NO.

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EFFLUENT GROSS VALUE NAME/TITLE PRINCIPAL EXECUTIVE OFFICER II Certify under penalty of law that this document and all attachments mere prepared under my i

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SRichard T. Purcell personnel property gather and evaluate the Information submitted. Based on my Inquiiy of the(jr(1 person or persons who manage the system, or those persons directly responsible for gathering Environmental Supervisor I423 0843-6700 02 03 Site Vice President

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COMMENTS AND EXPLAN,*TIbN OF ANY VIOLATIONS (Reference all attachments here No phosphate bearing chemicals were used. The metal ponds were released on Feb 1-2, 4-12, and 19 of 2002. Iron parameters were exceeded for 5 days on Feb. 4-8 of'2002. An explanation is attached.

EPA Form 3320-1 (REV 3/99)

Previous editions may be used r-ageI o l

Outfall 107 - Metal Cleaning Waste Ponds Out of Limit Iron Due to excessive amounts of rainfall at Sequoyah Nuclear Plant in January 2002,-(2.55 inches on 1/19/02 and 2.23 inches on 1/24/02), the Metal Cleaning Waste Ponds levels were full of water and in danger of overflowing. The procedure (0-PI-ENV-000-016.A) to pump. the unlined metal cleaning waste pond was initiated on 1/23102. Prerelease non NPDES samples were collected on 1/28/02 for oil -and grease (O&G), total suspended solids (TSS), iron (Fe), copper

-(Cu), and pH.

The results of these samples were:

TSS O&G Fe Cu pH (Limit (Limit (Limit-(Limit (Limit

< 30 mg/I)

<15 mgll)

< 1.0 mg/I)

< 1.0 mg/I) 6.0 - 9.0)

Date/Time 1/28/02 /

1/28/02 /

1/28/02 1 1/28(02 1 1/28/02 / 1330 Sampled 1340 1340 1340 1340 Results 5 mg/I

< 5 mg/I 0.29 mg/I 0.001 mg/l 8.91 Date/Time 1/29/02/

1/29/02/

1/30102/

1/301021 1/28/02 11333 Analyzed 0917 1130 0834 0943 Prior to releasing the Unlined Metal Cleaning Waste Pond (UMCWP) on 2/1/02, a pH sample was collected to verify that the pH was within permit limits. The pH results were greater than the 9.0 NPDES permit limit. Since the permit allows -neutralization to adjust the pond pH-to below 9.0, 25 gallons of concentrated sulfuric acid was added to the pond. The pH was re sampled with a result of 8.77 on 2/1/02 at 0829. Pumping of the UMCWP was then initiated on 2/1/02. A "Beginning of Release" oil and grease and pH sample were collected on 2/1/02 at 0820, and composite sampling for iron, copper, and total suspended solids was initiated.

Composite sampling (equal volume samples collected every hour) continued for the duration of the release of the pond. The composite sample collected was split, one sample was sent to the TVA Environmental Chemistry Lab for total suspended solids (TSS), oil and grease. (O&G),

iron (Fe), and copper (Cu) analysis, the other was held at Sequoyah as a backup sample. This sampling process was repeated on 2/2/02, 2/4/02, 2/5/02, 2/6/02, 2/7/02'and 2/8/02.

The results of the samples for the release event were:

Date Sampled 2/01/02 2/02/02 2/Q4/02 2105/02 2/06/02 2107/02 2/08/02 TSS 5

4 8

11 15 11 15 (Limit < 30 mgli)

O&G

<5

<5

<5

<5

<5

<5

<5 (Limit < 15 mg/I)_

Fe 0.45 0.55 1.2 1.6 1.8 1.5 1.8 (Limit < 1.0 mg/I)

Cu 0.0029 0.0022

<0.001

<0.001 0.0041 0.0029 0.0024 (Lim it < 1.0 m g/I)

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pH 8.77 8.70 7.57 7.35 7.44 7.46 7.50 (Limit 6.0 - 9.0) 1___1

For this release event, the iron limit was exceeded for the last five of the seven days of the release. No other parameters were exceeded. The probable cause of the iron concentration being above the limit is a combination of the excessive amount of rainfall prior to release of the pond (storm water iron concentrations routinely are above 1 mg/I at Sequoyah) and the addition of the sulfuric acid to neutralize the pond. No metal cleaning wastes have been added to this pond in the past seven years which would also support the conclusion that the iron was primarily due to storm water runoff. The pre-release sample gave no indication that irorn was

.close to exceeding the permit limits. As required by the permit, all release analyses were "performed after the release had commenced; therefore, the iron permit exceedence would not have been detected in time. As soon as the out of limit iron results were known, the release of the unlined metal cleaning waste pond was terminated.

Corrective Actions:

Sequoyah is performing a root cause analysis of this problem. A letter will be sent at a later date detailing our corrective actions.

Impact to the environment:

No detectable impact to the environment is expected from this event since release of the UMCWP was to the Low Volume Waste Treatment Pond (LVWTP) which then is released to the Diffuser Pond. This amount of dilution -prior to reaching the waters of the U.S.(Tennessee River) was such that any iron concentration would be insignificant. The storm water iron limit for Sector 0 under the Tennessee Storm Water Multi-Sector General Permit for Industrial Activities is 5 mg/i. The iron concentration released by this event was less than 2 mg/l.

PERMITTEE NAME/ADDRESS (Include Facility Name/Locatfon If Different)

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(SUER 01)

Form Approved.

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NOTE: Read Instructions belore completing this form.

PARAMETER QUANTI OR LOADING QUALITY OR CONCENTRATION' NO. EQHUENCYF SAMPLTPE EX M OF TYPE AVERAGE MAXIMUM UNITS MNIU AXVRAEMIMUM UNITS ANALYSISI SAMPLE MEASUREMENT 00400 1

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EFFLUENT GROSS VALUE SOLIDS, TOTAL SUSPENDED 00530 1

0 0

EFFLUENT GROSS VALUE OIL AND GREASE

)0556 1

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EFFLUENT GROSS VALUE COPPER, TOTAL (AS CU) 31042 1

0 0

EFFLUENT GROSS VALUE IRON, TOTAL (AS FE) 01045 1

0 0

EFFLUENT GROSS VALUE PHOSPHORUS, TOTAL (AS P) 00665 1

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EFFLUENT GROSS VALUE FLOW, IN CONDUIT OR THRU TREATMENT PLANT 50050 1

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MGD MO ~DALYMX NAME/TITLE PRINCIPAL EXECUTIVE OFFICER I certify under penalty of law that this document and all atachments were prepared under my direction or supervision in accordance with a system designed to assure that qualified Richard T. Purcell 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 Environmental Supervisor the information, the information submitted is, to the best of my knowledge and belief, true, Site Vice President accurate, and complete. I am aware that there are significant penalties for submitting false SIGNATURE OF PRINCIPAL EXECUTIVE information, including the possibility of fine and imprisonment for knowing violations.

OFFICER OR AUTHORIZED AGENT Th'PED OR PRINTED__________

COMMENTS AND EXPLANTIbN OF ANY VIOLATIONS (Reference all attachments here No discharge this period.

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OMB No. 2040-0004 npleling this form.

QUALITY OR CONCENTRATION NO.

FREQUENCY SAMPLE EX OF TYPE AVERAGE MAXIMUM UNITS ANALYSIS 101 NAME/TITLE PRINCIPAL EXECUTIVE OFFICER 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 Richard T. Purcell 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, Site Vice President accurate, and complete. lam aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment for knowing violations.

TYPED OR PRINTED COMMENTS AND EXPLAN4TION OF ANY VIOLATIONS (Reference all attachments here During this reporting period, there has been no flow from the Dredge Pond other than that resulting frbm rainfall.

FPA Form 3320-1 IREV 3/991 Previous editions may be used rouo i U

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