ML17227A473

NPDES Noncompliance Notification:On 920507,effluent Ph of Sewage Treatment Plant Noted Below 6.0 Std Units Required by NPDES Permit.Sodium Carbonate Added & Average Flow from Sewage Plant Diluted by Circulating Water Flow

ML17227A473
Person / Time
Site:	Saint Lucie
Issue date:	06/24/1992
From:	Sager D FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
L-92-184, NUDOCS 9206300100
Download: ML17227A473 (5)

Text

ACCELERATED DI RIBUTION DEMONST TION SYSTEM REGULATOR'NFORMATION DISTRIBUTION TEM (RIDS)

ACCFSSION NBR:9206300100 DOC.DATE: 92/06/24 NOTARIZED: NO DOCKET FACIL:50-335-.St. Lucie Plant, Unit 1, Florida Power & Light Co. 05000335 AUTH. NAME AUTHOR AFFILIATION SAGER,D.A. Florida Power & Light Co.

RECIP.NAME RECIPIENT AFFILIATION Document Control Branch (Document Control Desk)

SUBJECT:

Informs 920507 re effluent pH of Unit 1 Sewage Treatment Plant observed to be 4.33 standard units which is below 6.0 standard units required by NPDES Permit.

DISTRIBUTION CODE: IE25D COPIES RECEIVED:LTR TITLE: Environmental Monitoring Rept (per Tech Specs) 2 ENCL J BISE:

NOTES:

RECIPIENT COPIES RECIPIENT COPIES ID CODE/NAME LTTR ENCL ID CODE/NAME LTTR ENCL PD2-2 LA 3 3 PD2-2 PD 1 1 NORRIS E J 1 1 INTERNAL: ACRS 1 1 NRR/DREP/PRPB11 2 2 G FILE 01 1 1 RGN2 DRSS/RPB 1 1 RGN2 FII'E 02 1 1 EXTERNAL: EGGG SIMPSONPF 2 2 NRC PDR 1 1 NOTE TO ALL "RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE! CONTACT THE DOCUMENT CONTROL DESK.

ROOM Pl-37 (EXT. 20079) TO ELIMINATEYOUR NAME FROM DISTRIBUTION.

LISIS FOR DOCUMENTS YOU DON'T NEED)

TOTAL NUMBER OF COPIES REQUIRED: LTTR 14 ENCL 14

4 i

0 P.O. Box 128, Ft. Pierce, FL 34954-0128 June 24, 1992 L-92 184 10 CFR 50.36b 10 CFR 50.4 EPP 3 ' '

U. ST Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 Re: St. Lucie Unit 1 Docket Nos. 50-335 Deviation of the NPDES Permit On May 7, 1992,. the effluent pH of the Unit 1 Sewage Treatment Plant was observed to be 4 '3 standard units which is below the 6.0 standard units required by the National Pollutant Discharge Elimination System (NPDES) Permit. This deviation is being reported to the Environmental Protection Agency in the Monthly Discharge Monitoring Report. A copy of the event is attached and is being sent pursuant to Section 3.2.1 of the St. Lucie Unit 1 Environmental Protection Plan.

Should you have any questions on this information, please contact us ~

Very truly yours, DE A. ger Vice r sident St. Lucie Plant DAS:JJB:kw cc: Stewart D. Ebneter, Regional Administrator, Region Senior Resident Inspector, USNRC, St. Lucie Plant II, USNRC Attachment DAS/PSL 75720-92

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At 8:30 A.M., on 5/7/92, the effluent pH of the Unit gl Sewage Treatment Plant was observed to be 4.33 std. units. The effluent pH the previous morning, 5/6/92, at 8:10 A.M, was 6.11. Addition of sodium carbonate corrected the pH to 6.30 by 9:10 A.M. Average flow from the sewage plant of less than 10 GPM was diluted by circulating water flow in excess of 500,000 GPM.

Presently, there are approximately 1,000 extra people on site for the Unit g2 refueling outage. All departments in the plant will be reminded not to dispose of any chemicals down drains. They are to contact the site's Hazardous Materials Coordinator dispose of any chemicals.

if they need to No adverse effects to the environment were observed.