ML20073E435

Responds to Requesting Approval to Extend Timeframe for Sodium Bromide Trial Test for Use in Cooling Towers

ML20073E435
Person / Time
Site:	Catawba
Issue date:	09/15/1994
From:	Eleazer T SOUTH CAROLINA, STATE OF
To:	Estridge J DUKE POWER CO.
References
NUDOCS 9409290046
Download: ML20073E435 (3)

Text

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4 September 20,1994 C.T. Peed j A.P. Jackson l J.T. Harris W.J. Davis G.W. Sain

Subject:

Catawba Nuclear Station -NPDES Permit No. SC0004278 Sodium Bromide Test Approval File: CN-702.13 l

Attached please find SCDHEC's response to our request to extend the timeframe for the Sodium Bromide trial test for use in the cooling towers.

i me a call at (704) 875-5965.

Should you have any questions concerning this letter please g ve Since7ely, 7 QW NC John Estridge Environmental Divicion, Water Protection jte/365 cc: NRC Document Distribution List M.A. Lascara e

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9409290046 940915 PDR ADOCK 05000413 P PDR \ \

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_ South Carolina - -

sswer Douglas E. Mant D H F> C Board:

Department of Health and Environmental Contrd Richard E. Jabbour, DOS. chairman Robert J. Stripling, Jr Vice Chairman Wilham E. Applegate, Ill, John H. Burnss 2600 Bull Street, Columbia. SC 29201 Promotrng Health, Protecting the Environment n P e' i

September 15, 1994 ENVIRONilENTALPROTEC13SECTION SEP 2 01994' Mr. John Estridge, P.E. O FILE Duke Power Company O TICKLER DATE Environmental Division, Water Protection 13339 Hagers Ferry Road Huntersville, N.C. 28078-7929 DM 0 ROUTE -

Re:

Sodium Bromide Trial Catawba York County Nuclear Station / Duke Power Co.

Dear Mr. Estridge:

Our Office has received your September 1,1994 letter req maintenance chemical trial using sodium bromide for control of bioluesti recirculating cooling towers systems at the Catawba ogical growthNuclin the two (2) bromide in conjunction with sodium hypochlorite which e effectiveness of the sodium following conditions: Based on a review of the information provided our Off ce approves your request with the

1) This trial extension is approved until ,1994.December 31

2) A minimum dilution of one (1) part RC cooling tower bl once through RL cooling water (1:2) must be maintainedowdown water to two (2

3) During the trial, internal Outfall 005 shall be limited to and a instantaneous maximum of 0.5 mg/l x ants.

for Free Available O ida m

4) Before sodium bromide can be used pennanently a to be modified to add Free Available to the permit.o. SC0004278 will have Oxidant (FAO)

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Duke. Power Co./ September 1,1994 letter Page 2 l

4 If you should have any questions, please call me at (803)734-5247.

Sincerely, e-c) &.

l Timothy M. Eleazer

! Enviromnental Engineer Associate l Industrial and Agricultural l Wastewater Division l TME/dukebro l cc: Al Williams, Catawba EQC

Vernon Beaty, WQ Monitoring Section