ML18230A993

Letter Submitting Two Copies of the Summary Sheet for Draft Environmental Statement, Related to Shearon Harris Nuclear Power Plant, Units 1,2,3 and 4

ML18230A993
Person / Time
Site:	Harris
Issue date:	11/21/1972
From:	Muller D US Atomic Energy Commission (AEC)
To:	Stadeker T US Executive Office of the President, Office of Mgmt & Budget (OMB)
References
Download: ML18230A993 (5)

Text

e Docket Nos.

-400'0-401 50-402 and 50-403 NOV 2 1 tS72 Distribution:

Docket File (Environ.)

-- ER. Reading fi1iF-~

ZP-2 Reading File Projects Br. Chief, D.B; Vassalo Licensing Ass't, L, JLee AEC PDR Local PDR

JScinto, OGC ADEP, DMuller Project Manager, EP-JCusack EP-LA-RWade lfr-Tony Stadeker Office of Management and Budget Management Systems Analyst Executive Office Building, Room 9026 Washington, D. C.

20503

Dear Mr. Stadeker:

Enclosed for your information are two copies of the summary sheet for the Draft Environmental Statement prepared by the Commission's Regulatory Staff relating to the facQ.ity identified in the enclosure to this letter.

The Draft Environmental Statement

+as prepared in accordance with the statement of general poHcy and procedure on implementation of the National Environmental Policy Act of 1969 as set out in Appendix D of the Commission's regulations 10 CFR Part 50.

A notice of availability of the Draft Environmental Statement and the Applicant's Environmental

Report, and request for comments from interested persons, is being sent to the Office of the Federal Register for filing and publication.'

request for comments also is being sent to appropriate Federal, State and local agencies.

Sincerely, jQ 19 j YtIHlI'j~!.II'Kd Daniel R. Huller, Assistant Director for Environmental Prospects e'Directorate of Licensing

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SUMMARY

AND CONCLUSIONS This Draft Environmental Statement was prepared by the U. S. Atomic Energy Commission, Directorate of Licensing.

1>

This action is administrative.

2 The proposed action is the granting of a construction permit to the Carolina Power and Light Company for the construction of the Shearon Harris Nuclear Power Plant Units 1, 2, 3, and 4

located on approximately 18,000 acres of land in Hake and Chatham Counties about 20 miles southwest of Raleigh, North Carolina.

These four units will employ 4 identical pressurized water reactors to produce up to 2900 MWt each.

Steam turbine-generators will use this heat to produce a net total electrical power capacity of 3600 MVe.

The exhaust steam will be cooled by once-through flow of water obtained from and discharged to a 10,000 acre cooling lake.

3<

Summary of environmental impact and adverse effects:

~

Constru'ction of the cooling lake will result in the destruction of about 10,000 acres of terrestrial flora and habitat and the likely destruction of benthos of streams to be impounded.

Predicted temperature and stratification conditions suggest that the lake may be only marginally suitable for recreational use.

About 3000 acres of land for transmission line facilities will be altered.

However, the applicant will promote multiple-use of rights-of-way, such as farming up to towers.

A very low probability risk of accidental radiation exposure to nearby residents will be created.

There exists a potentially excessive thyroid dose to persons living or on near the site boundary due to iodine release from the plants'aseous effluent.

Certain pathways from liquid releases could also yield significant dose rates.

Redesign of the radiological waste system and modification of normal operating procedures

can, however, be made which will reduce the levels to acceptable limits.

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Small quantities of radioactive liquids and gases will be dis-charged to the plant environs.

The estimated dose to the popu-lation within 50 miles from operation of the plant is 64 man-rem/year which may be compared with 180,000 man-rem/year from natural radioactive sources.

4.

Principal alternatives considered were:

Purchase of power from other sources Use of fossil fuels as alternative energy sources Cooling towers and spray pond as alternative heat dissipation methods 5.

The following federal, state and local agencies axe being requested to comment on the Draft Environmental Statement; Advisory Council on Historic Preservation Chatham County Board of Commissioners Make County Board of Commissioners Department of the Army, Corps of Engineers Department of Commerce Department of Health, Education and Welfare Department of Housing and Urban Development Department of Interior Department of Transportation Environmental Protection Agency federal Power Commission North Carolina Department of Air and Water Resources North Carolina Department of Administration North Carolina Utilities Commission This Statement was made available to the public, to the Council on Environmental Quality and to the other specified agencies in

November, 1972.

7.

On the basis of the analysis and evaluation set XoxtR in this statement and after weighing the environmental,

economic, tech-nical and other benefits of the Shearon Harris Nuclear Powex Plant against envixonmental costs and considering available alternatives, it is concluded, from the standpoint of environ-mental effects, that the action called for is the issuance of construction permits subject to the following conditions for the protection of the environment:

a.

In filling or replenishing the reservoir, no more than 25%

of the river flow, as measured at the point of removal, will be withdrawn from the cape Fear River and no removal will be made which would reduce the natural unregulated flow of the river below 200 cfs, as measured at the Lillington Station.

b.

The intake structure for pumping from the cape Fear River will be designed to minimize entrainment or impingement of small fish.

c.

The applicant will not dispose of morpholine to the cooling lake.

Alternative disposal methods or use of a different chemical acceptable to the staff will be adopted prior to the operation of the plant.

d.

The applicant will undertake design modification of the gaseous radioactive effluent treatment system to reduce the release of radioiodines to the environment, at the site

boundary, so that projected annual exposure to the thyroid organ will not exceed 5 millirems.

e.

The applicant will define a comprehensive environmental sampling, monitoring and surveillance program (biological,

chemical, thermal and radiological) to be initiated at least

~ two years prior to operatiop of the Shearon Harris Unit 1 and continuing for at least one full year after all four units are in operation, and considered by the Regulatory Staff to be adequate to form an ecological baseline and to determine changes which may occur in land and water ecosystems as a

result of plant operation.

f.

The applicant will initiate an onsite meteorological program and collect weather data with a minimum of 90% recovery.

Prior to operation of the plant, at least one full year of data (covering all seasons) will be collected and analyzed to enable a complete description of the site weather so that accurate predictions of the impact of gaseous releases to the surrounding area can be made for both normal and accident conditions of plant operation.