ML19206A975
| ML19206A975 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 10/31/1972 |
| From: | John Miller Metropolitan Edison Co |
| To: | Muller D US Atomic Energy Commission (AEC) |
| References | |
| NUDOCS 7904210673 | |
| Download: ML19206A975 (6) | |
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M ETROPO LlTAN E D lS ON COM PA NY suesiounv or cesenauveuc ununes ccvana nc:: /
i POST OFFICE BOX 542 READING, PENNSYLVANI A 19603 TELEPHONE 215 - 929-3601 O
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4 October 31, 1972
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Mr. Daniel R. Muller J g c';. s/
Assistant Director for Environmental Projects
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20545
SUBJECT:
THREE MILE ISLAND NUCLEAR STATION UNITS 1 AND 2 DOCKET NOS. 50-289 AND @
Dear Mr. Muller:
Enclosed please find forty (40) sets of change pages tc applicant's response t'J coc=ents made by Federal and State Agencies on the Cc= mission's Draft I= pact Statement for Three Mile Island Nuclear Station Units 1 and 2 which were submitted on October 19, 1972. These change pages serve to correct certain information transmitted in the October 19, 1972 s ubmit tal.
Ver,y truly yours,,,'
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PENNSYLVANIA ELECTRIC COMPANY
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3 THREE MILE ISLAND NUCLEAR STATION, UNITS 1 AND 2 Iw
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Applicaeion For Class 104b Utilization Facility Operating License
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'..t y DOCKET NOS. 50-289 AND M Applicant herewith submits 40 sets of change pages to the responses to coi::ments made by Federal and State Agencies in connection with the Cot: mission's Draf t I::: pact Statement for Three Mile Island Nuclear Station Units 1 and 2.
These change pages serve to correct certain information transmitted in the October 19, 1972 submittal.
METROPOLITAN EDISCN COMPANY A'CEST: f' 1 'If
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a 710 By L /
Secretary f Vice President i
i Sworn to and subscribed before se this ?! ~
day of bvCMA 1972.
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CCOLING TOWER EFFLUENT & CCOLINC WATER PLD2 ANALYSIS IV RESPONSE TO EPA QUESTION CN PLDES The objective of this analysis is to determine chlorine and te=perature concentrations resulting from the discharge of cooling tower ef fluent and cooling water from Three Mile Island Nuclear Plant to the Susquehanna River.
The discharge of tower effluent and cooling water fro a normal cooldown condition is to center channel of the Susquehanna River. The plumes resulting under the following conditions were determined:
1.
Cooling tower effluent: AT = 3. 0* F Q = 80.0 cfs 2.
Normal cooldown G t 12.0*F Q
0.0 hrs. AT 113 cfs
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Nor=al ecoldcun @ t 3.0*F Q = 113 cfs.
12.0 hrs. AT
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All were corputed for the following winter river conditions:
1.
Low river ficw of 10,000 cfs - 10 fr. avg. flow for Dece=ber, January, and February center channel ficw is 2700 cfs.
2.
Natural river water te=perature of 38*F.
Initial chlorine concentration at point of discharge was taken ta be 0.30 ppa.
The technique utilized to determine the exrent of the plumes is based on a widely accepted method of analysis
- of turbulent mixing of a horizontal jet di. charged at the surface of the receiving water body. Concentrations of subs tances throughout the plume are determined assucing they are ccnserved.
Therefore, the resulta nf the analysis are conservative. Reductions in con-centration are acec=plished solely by dilution which resultc from the entrain-ment of ambient water into the turbulent jet. Jet trajectory is determined by vectorially su= ming jet and river water velocities.
Cooling tower effluent is discharged continuously and, the re fo re, the plume shown in Figure 1 represents steady state conditions. The tagnitude of the plume may be described in ter=s of the dimensions of the river and island. At the point of discharge the river is 1200 ft. wide, while the Jen, Y., Wiegel, R. L., and Mobarek, I., " Surf ace Discharge of Horizontal Wars Water Jet,"
Journal of the power Division, A.S.C.E.,
Vol. 92, No. P02, Proc. Paper 4801, April 1966, pp. 1-23. UI? 2('?
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