ML19326C906

Forwards Proposed ETS for Review.Ets to Eliminate Sampling Problems W/O Jeopardizing Environ Quality

ML19326C906
Person / Time
Site:	Arkansas Nuclear
Issue date:	07/08/1975
From:	Phillips J ARKANSAS POWER & LIGHT CO.
To:	Giambusso A Office of Nuclear Reactor Regulation
Shared Package
ML19326C907	List: ML19326C906 ML19326C911
References
NUDOCS 8004290537
Download: ML19326C906 (5)

Text

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- NRC DIS'TRIBUTION FOR PART 50 DOCKET MATERI AL

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(TEMPORARY FORM) 7563 CONTROL NO:

ENVIRO FILE:

DATE REC'D LTR TWX RPT OTHER FROM: Arkansas Power & Light Cc!. DATE OF DOC Little Rock, Ark. 72203 7-15-75 XX J.D. Phillips 7-8-75 XX ORIG CC OTHER SENT NRC PDR TO: 1 signed 39 SENT LOCAL PDR XX Mr. A. Ciambusso INPUT NO CYS REC'D DOCKET NO:

CLASS UNCLASS PROPINFO 40 50-313 _

XXX ENCLOSURES: Proposed Enviro Tech Specs DESCRIPTION: Ltr notarized 7-8-75 trans the for ArkanSaJ One Unit 1......

following:

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H E L PING BUILD A H h* A N H A S ARK ANS AS POWER & LIGHT COMPANY BTH & LOmislANA STRE.TS . LITTL. AOCK, ARK ANSAS 72203. (SOU 372-4311 July 8, 1975 w=*

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Subject:

Arkansas Power 6 Light Company

Arkansas Nuclear One-Unit 1 Docket No. 50-313 License No. DPR-51 Environmental Technical Specifications

Dear Mr. Giambusso:

Attached find our proposed Environmental Technical Specifications identi-fied 26, and as 1975.

being prepared in Mr. J. H. Woodward's letters to you of June 17 It is felt that these specifications will eliminate the sampling problems we have been experiencing without jeopardizing environ-mental quality.

We request your prompt review and comments or approval.

Very truly yours, I j-0 /), } r

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'J. D. Phillips Senior Vice President JDP:lt i

Attachment l

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STATE OF ARKANSAS )

) Ss COUNTY OF PULASKI )

J. D. Phillips, being duly sworn, states that he is a Senior Vice President of Arkansas Power G Light Company; that he is authorized on l Regulatory the part of said Company to sign and file with the Nuc ear Commission this Supplementary Information; that he has read all of the statements made and matters set forth therein are true and co the best of his knowledge, inf.- mation and belief.

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P /'D."Phillips' t.

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SUBSCRIBED AND -SWORN 10 before me, a Notary Public in and for th 1975.

County and State above named this 2--- - day of bh I G~

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_% . Q Notary Public My Commission Expires:

March 1, 1978 f

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_bbdd,hild BASES FOP. EiS CilANGLS r.. ..> 0jur ~rat:!

bb The Final Environmental Statement for Arkansas Nuclear One-Unit I discussed those chemical parameters which may contributa to degradation of the lake water quality. It was recogni:cd in this document that very few chemicals would be used during plant operation, and that the concentrations of those chemicals released would be of minimal impact on the water quality in Dardanelle Rerervoir. The only parameter which was discussed in depth was chlorine, which is used to control microbiological growths that otherwise would foul the condenser tubes. The statement addressed the effect of chlorination and its breakdown prior to entering the discharge cabayment, and in doing so assigned a maximum concentration at the discharge of 0.1 mg/1.

With the issuance of our National Pollutant Discharge Elimination System (NPDES) Permit (No. AR0001392) by the Environmental Protection Agency, a limit on chlorine discharge was assigned as follows:

E.ily average - 0.2 mg/l free availabic chlorine Daily maximum - 0.5 mg/l free available chlorine It is felt that, in view of the fact that a 0.2 mg/l daily average concen-tration (based on two hours per day maximum chlorination time) is a national standard, these limits are more realistic to the efficient operation of a steam electric station. These limits will provide the flexibility needed to prevent and control microbiological growth in the circulating water system during those periods of the year when an extra effort is needed for this control.

The present limits in the NPDES permit have been derived by determining that concentration which may enter the discharge canal, and thus the lake, upon dilution with minimum flow (383,000 gpm) . The previous ETS method of determining chemicals being discharged from the plant involved sampling the intake (Illinois Bayou) and discharge canal (embayment from Arkansas River).

These two bodies of water are extremely different in characteristics and have caused us to apparently be in excess of our Environmental Technical Specification limits several times. Theugh meeting our NPDES permit, at times we have exceeded the ETS limits. This is confusing in that we are abic to meet one regulatory agency's criteria but not another. We, there-fore, feel that it is worthwhile to incorporate those practices as recorded in the NPDES permit into the Environmental Technical Specifications by reference and submit a copy of our report to the NRC at the same time as it is submitted to the EPA. This will provide more realistic and relative data of what is being discharged.

The Specifications deleted and reasons for deletion are as follows:

2.3.1.a Chlorine (Circulating Water System)

This has been discussed above.

2.3.1.b Chlorine (Sanitary Waste System)

Basis above, covered in NPDES Permit.

2.3.2 Corrosion lnhibitors Calculations have shown that a completo dump of the Intermediate Cooling Water System into a minimum circulating water flow of 383,000 gpm will result in a maximum concentration less than the minimum detectable conc.cntration. Thus, the concentration will be well below the Arkansas Department of Pollution Control and Ecology's standard for non-persistent toxic substances in receiving waters of 5% of the 48 hour5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> TLa for bluegill.

2.3.3 Suspended and Total Dissolved Solids Sampling for solids will be done in full conpliance wi+h our NPDES permit.

2.3.4 pH The neutralizing tanks will be sampled fer pH per the NPDES permit.

2.3.5 Chemicals Which Affect Water Quality The parameters in this specification are covered in the NPDES permit or have been calculated to be, wi en l at maximum concen-trations attributable to plant operation, less than the standards presented in the Arkansas Department of Pollution Control and Ecology's Regulation No. 2.

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