ML20214T749

Forwards Addl Info Re Nonradiological Impacts Associated w/861222 Request to Extend Duration of License to 40 Yrs from Date of Issuance of OL

ML20214T749
Person / Time
Site:	Millstone
Issue date:	05/28/1987
From:	Mroczka E NORTHEAST NUCLEAR ENERGY CO., NORTHEAST UTILITIES
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
A06470, A6470, TAC-64245, NUDOCS 8706100402
Download: ML20214T749 (5)

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NAST UTILITIES cenerai Ottices . seiden street. Berhn. Connectic ut l Nd 's

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, (203) 665-5000 May 28,1987 Docket No. 50-336 A06470 Re: 10 CFR 50.51

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U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C. 20555 Gentlemen:

Millstone Nuclear Power Station, Unit No. 2 AdditionalInformation for Forty-Year License Amendment By letter dated December 22, 1986,(1) Northeast Nuclear Energy Company (NNECO) requested an amendment to the Millstone Unit No. 2 Facility Operating License in order to extend the duration of the license to forty years from the date of issuance of the operating license.

in response to the NRC Statf's request (2) dated April 1,1987, NNECO hereby offers the following additional information regarding non-radiological impacts associated with the extension of Millstone Unit No. 2 Facility Operating Licensing. The attached information is presented in a tabular form as requested and is fully responsive to item No.1 in the aforementioned NRC Staf f letter.

(1) E. J. Mroczka letter to A. C. Thadani, dated December 22,1986,

Subject:

Millstone Nuc! car Power Station, Unit No. 2, Proposed Amendment to Facility Operating License, Extension of Facility Operating License.

(2) D.11. Jaf fe letter to E. 3. Mroczka, dated April 1,1987,

Subject:

Request for Additional Information to Supplement Evaluation for the Extension of the Millstone Unit No. 2 Facility Operating License.

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0706100402 DII 07052a ADOCK 00000336 )

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1 U. S. Nuclear Regulatory Commission May 28,1987

. A06470/Page 2 By letter dated April 3, 1987,(3) NNECO responded to an NRC Staff verbal request on February 20,1987 pertaining to item No. 2. ,

NNECO believSs that the attached information and the docketed letter dated Ap'ril 3,1987 fully address the additional information requested by the April 1, 1987 letter.

Very truly yours, NORTHEAST NUCLEAR ENERGY COMPANY J

AW E. 3proczka /

,. Senior Vice President j

cc: W. T. Russell, Region i Administrator

. T. Rebelowski, Resident inspector, Millstone Unit Nos. I and 2 D. H. Jaffe, NRC Project Manager, Millstone Unit No. 2 i

, (3)- E. 3. Mroczka letter to U.S. Nuclear Regulatory Commission, dated Apr!!

i 3,1987,

Subject:

Millstone Nuclear Power Station, Unit No. 2, Additional Information for Forty-Year License Amendment.

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Docket No. 50-336 A06470 Attachment Millstone Nuclear Power Station, Unit No. 2 AdditionalInformation for 40-Year License Amendment May 1987

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.1 i: Non radiological impacts associated with the extension of the expiration date for Millstone IJnit 2.

Facility Operating I,icense",

Nature Type of monitoring Ul&2 FFS U3 FFS Remarks of impact program section* section*

Iand u None 5.1, 8 5.2 No adverse impact due to license extension.

Water use None 5.2, 8 4.3, 5.3 No adverse impact due to license extension.

Air quahty None 6.2.6, 8, 11.2.6 5.4, 5.14.3 No air quality per se is monitored, but local atmospheric

. conditions continuously recorded during plant operation.

Noise None 5.1.2, 5.7 5.12 No adverse impact due to license extension.

Terrestrial Osprey 5.4, 6, 8 5.5.1, 5.14.1 Onsite osprey nesting success followed annually. No ter-restrial monitoring required under current environmental

'l protection plan for Unit 3.

llistoric/ None 2.3, 8 5.7 No adverse impact due to license extension.

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. archeological i

Socioeconomic None 8 5.7, 5.8, 6 Impact expected to be positive due to increased employ.

ment and net economic benefits.

Iliocide/ chemical Monitor chemicws 5.2, 5.3, 6, 8 53.1.3,5.5.2, Various chemical parameters monitored daily, weekly, or

emuents in plant discharge, 5.14.2.1 during their release as per the NpDIE permit. Flow-bionssay studies through bioassay studies using water discharged by plant into quarry indicated no impact.

Thermal / Thermal plume 5.2, 5.3, 6, 8 53.1.2,5.5.2, Various ecological studies required under NpDFS permit.

entrainment/ ' mapping, rocky 5.14.2.2 A detailed report is submitted annually to state and fed.

' impingement shore survey, eral agencies. To date, identilied impacts have been mi-benthic faunal stud- nor in nature or have been mitigated, such as through ies, exposure panel the operation of fish return sluiceways at Units I and 3.

program, lobster studies, fish ecology studies, winter flounder studes, es.

I timates of entrain-ment and impingement i.

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• The Millstone Nuclear Fower Station was treated as a singic entity (i.e.,3-unit operations) for the determination of environmental impacts in the IJnit 3 FES. Therefore, the duration of impacts for

! the proposed extended period of operation for Unit 2 (to July 31, 2015) is contained within the time-frame of analyses for IJnit 3 (licensed through November 25, 2025).

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- lJSAEC 1973. Final environmental statement related to the continuation of construction of unit 2 and the operation of units I and 2. Millstone Nuclear Power Company. Docket Nos. 50-245 and 50-336.

LJSNRC 1984. Final environmental statement related to the operation of Millstone Nuclear Power Station,11 nit No. 3. Northeast Nuclear Energy Company, et al. Docket No. 50-423.

d Surface, groundwater, floodplain.

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