ML20087J646
| ML20087J646 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 08/14/1995 |
| From: | Carter J DETROIT EDISON CO. |
| To: | Eleazer T SOUTH CAROLINA, STATE OF |
| References | |
| NUDOCS 9508220042 | |
| Download: ML20087J646 (2) | |
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DUKEPOWER August 14,1995 Mr. Timothy M. Eleazer Industrial and Agricultural Wastewater Division South Carolina Department of Health and Environmental Control 2600 Bull Street Columbia, SC 29201
Subject:
Catawba Nuclear Station -NPDES Permit No. SC0004278 Sodium Bromide Usage in Cooling Towers File: CN-702.13
Dear Mr. Eleazer:
Catawba Nuclear Station requests a six month extension to continue the use ofTedium bromide in the cooling towers. Your letter dated March 16,1995 (copy attached) indicla s that the approval to use sodium bromide was approved until September 1,1995.
Please N
r<espond to this letter indicating if this request is approved.
N Should you have any questions concerning this letter please give John Estridge a call at (704) 875-5965.
Sincerely, d.
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John S. Carter, Technical Systems Manager Environmental Division, Water Protection jte/469 cc:
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2600 Bull Street, columble SC 29201 eromanna Hes% Prossenha she Enwronment I
March 16,1995
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Mr. John Estridge, P.li, Duke Power Company j
Environmental Division, Water Protection i
13339 Hagers Ferry Road Huntersville, N.C. 28078-7929 Re: Sodium Bromide Trial Extension i
Catawba Nuclear Station / Duke Power Co.
i York County
Dear Mr. Estridge:
Our Omce has received your January 4,1995 letter requesting approval to extend the maintenance chemical trial using sodium bromide for control of biological growth in the two (2)
.wirculating cooling towers systems at the Catawba Nuclear Station in York County. As we discussed by telephone, this extension is needed in onier to evaluate the effectiveness of the sodium bromide during the summer months in conjunction with sodium hypochlorite which is i
x presently used in the cooling towers. Based on a review of the information provided, our OITice f
N approves your request with the following conditions:
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1)
This trial extension is approved until September 1,1995.
2)
A mimmum dilution of one (1) part RC cooling tower blowdown water to two (2) parts once through RL cooling water (1:2) must be maintained.
3)
During the trial, internal Outfall 005 shall be limited to a monthly average of 0.2 mg/l and a instantaneous maximum of 0.5 mg/l for Free Available Oxidants.
In accordance with the Basin Permitting Strategy, we are currently working on revisions to the Duke Power Company Catawba Nuclear Steam Station NPDES permit No. SC0004278.
In updating this permit, we are planning to incorporate the permanent use of sodium bromide as a maintenance chemical to the cooling towers.
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784 875 5974]
. 1995.C3-16
-04:07PM #153 P.td/e3,
,rROM st54TER POLLUTION TO Duke Power Co./ January 4.1995 letter-Page 2 If you should have any questions, please call me at (803)734-5247.
Sincerely, w
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Timothy M. Elcazer Environmental Engineer Associate Industrial and Agricultural Wastewater Division TME/dukebr2 cc:
Al Williams, Catawba EQC O
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