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| number = ML17228A356
| number = ML17228A356
| issue date = 11/01/1993
| issue date = 11/01/1993
| title = NPDES Noncompliance Notification:On 930915,Midnight Discharge Canal Sample Collected During Biocide Application Indicated Concentration of 0.53 Ppm.Communications Between Individuals Involved Increased
| title = NPDES Noncompliance Notification:On 930915,midnight Discharge Canal Sample Collected During Biocide Application Indicated Concentration of 0.53 Ppm.Communications Between Individuals Involved Increased
| author name = SAGER D A
| author name = Sager D
| author affiliation = FLORIDA POWER & LIGHT CO.
| author affiliation = FLORIDA POWER & LIGHT CO.
| addressee name =  
| addressee name =  
Line 13: Line 13:
| document type = NPDES NONCOMPLIANCE NOTIFICATION, TEXT-ENVIRONMENTAL REPORTS
| document type = NPDES NONCOMPLIANCE NOTIFICATION, TEXT-ENVIRONMENTAL REPORTS
| page count = 5
| page count = 5
| revision = 0
}}
}}
=Text=
{{#Wiki_filter:ACCELERAT                  DOCUMENT DISTRI VTION SYSTEM REGULAT        INFORMATION DISTRIBUTIO            STEM (RIDS)
ACCESSION NBR:9311050192            DOC.DATE: 93/11/01      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 6 Light Co.
RECIP.NAME          RECIPIENT AFFILIATION
==SUBJECT:==
NPDES noncompliance            notification:on 930915,midnight discharge canal sample collected during biocide application indicated concentration of 0.53 ppm.Communications between individuals involved increased.
DISTRIBUTION CODE: IE23D          COPIES RECEIVED:LTR          ENCL      SIZE:
TITLE: Environmental Event Report (per Tech Specs)
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 NORRISiJ                    1      1 INTERNAL: ACRS                          5      5      NRR/DRSS/PEPB          1    1 NRR/PMAS/ILRB                1      1      OGC/HDS3              1    1 EGW. TEE        01          1      1      RGN2                  1    1 EXTERNAL: NRC PDR                      1      1      NSIC                  1    1 NOTE TO ALL"RIDS" RECIPIENTS:
PLEASE HELP US TO REDUCE WASTE! CONTACT THE DOCUMENT CONTROL DESK, ROOM Pl-37 (EXT. 504-2065) TO ELIMINATEYOUR NAME FROM DISTRIBUTION LISTS FOR DOCUMENTS YOU DON'T NEED!
TOTAL NUMBER OF COPIES REQUIRED: LTTR                17  ENCL    17
~ g P.O. Box 128, Ft. Pierce, FL 34954-0128 November 1, 1993
                                        /                                      L-93-280 10 CFR 50.36b 10 CFR 50.4 EPP    3.2.3 U. S. Nuclear              Regulatory Commission
    ,Attn: Document Control                Desk Washington,            DC  20555 Re:        St. Lucie Unit 1 Docket No. 50-335 Deviation of the        NPDES    Permit On    September 15, 1993, the            biocide (Clam-trol, CT-1) concentration in the discharge canal                was observed to be 0.53 ppm which exceeds the 0.4 ppm maximum limit in the plant's 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, D. A.          ager Vice P esident St. L ie Plant DAS/CDW/kw cc:      Stewart D. Ebneter, Regional Administrator, Region Senior Resident Inspector, USNRC, St. Lucie Plant II,  USNRC Attachment DAS/PSL          f1011-93 9311050192 931101 ZPP PDR        ADOCK 05000335 S                          'PDR an FPL Group company
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FLORIDA POWER AND LIGHT COMPANY - ST LUCIE PLANT NPDES PERMIT NUMBER FL0002208 OSN 001 MONITORING PERIOD - SEPTEMBER 1, 1993 THROUGH SEPTEMBER 30, 1993 On September 15, 1993, the midnight discharge canal sample which was collected during a biocide application (Clam-trol, CT-1) indicated a concentration of 0.53 ppm. This value exceeded the 0.4 ppm maximum limit in the plant's NPDES permit. Analyses of four samples which were collected at four hour intervals prior to the event all yielded values of  (  0.3 ppm. Problems had been experienced at the clay injection station (clay is injected to deactivate the biocide) just prior"to the midnight sample. These problems were corrected within several minutes of their discovery but apparently enough time had elapsed to cause the exceedence. The two remaining samples collected during the application both yielded values of    (  0.3 ppm.
The 0.53 ppm concentration noted in the discharge canal was well below the No Effect Level of 1.2 ppm which was established for this biocide. This fact, plus the dilution which occurs following discharge from the Y-port and multi-port diffusers upon discharge to the Atlantic Ocean, indicate that this event should not have caused any significant environmental damage.
Corrective actions include increased communications between the individuals involved in the biocide injection station, the clay injection station, and the chemistry department. If anomalies occur in any area, biocide injection will be immediately terminated until the condition is corrected.
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Latest revision as of 12:37, 4 February 2020

NPDES Noncompliance Notification:On 930915,midnight Discharge Canal Sample Collected During Biocide Application Indicated Concentration of 0.53 Ppm.Communications Between Individuals Involved Increased
ML17228A356
Person / Time
Site: Saint Lucie NextEra Energy icon.png
Issue date: 11/01/1993
From: Sager D
FLORIDA POWER & LIGHT CO.
To:
References
L-93-280, NUDOCS 9311050192
Download: ML17228A356 (5)
v • d • e


Text

ACCELERAT DOCUMENT DISTRI VTION SYSTEM REGULAT INFORMATION DISTRIBUTIO STEM (RIDS)

ACCESSION NBR:9311050192 DOC.DATE: 93/11/01 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 6 Light Co.

RECIP.NAME RECIPIENT AFFILIATION

SUBJECT:

NPDES noncompliance notification:on 930915,midnight discharge canal sample collected during biocide application indicated concentration of 0.53 ppm.Communications between individuals involved increased.

DISTRIBUTION CODE: IE23D COPIES RECEIVED:LTR ENCL SIZE:

TITLE: Environmental Event Report (per Tech Specs)

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 NORRISiJ 1 1 INTERNAL: ACRS 5 5 NRR/DRSS/PEPB 1 1 NRR/PMAS/ILRB 1 1 OGC/HDS3 1 1 EGW. TEE 01 1 1 RGN2 1 1 EXTERNAL: NRC PDR 1 1 NSIC 1 1 NOTE TO ALL"RIDS" RECIPIENTS:

PLEASE HELP US TO REDUCE WASTE! CONTACT THE DOCUMENT CONTROL DESK, ROOM Pl-37 (EXT. 504-2065) TO ELIMINATEYOUR NAME FROM DISTRIBUTION LISTS FOR DOCUMENTS YOU DON'T NEED!

TOTAL NUMBER OF COPIES REQUIRED: LTTR 17 ENCL 17

~ g P.O. Box 128, Ft. Pierce, FL 34954-0128 November 1, 1993

/ L-93-280 10 CFR 50.36b 10 CFR 50.4 EPP 3.2.3 U. S. Nuclear Regulatory Commission

,Attn: Document Control Desk Washington, DC 20555 Re: St. Lucie Unit 1 Docket No. 50-335 Deviation of the NPDES Permit On September 15, 1993, the biocide (Clam-trol, CT-1) concentration in the discharge canal was observed to be 0.53 ppm which exceeds the 0.4 ppm maximum limit in the plant's 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, D. A. ager Vice P esident St. L ie Plant DAS/CDW/kw cc: Stewart D. Ebneter, Regional Administrator, Region Senior Resident Inspector, USNRC, St. Lucie Plant II, USNRC Attachment DAS/PSL f1011-93 9311050192 931101 ZPP PDR ADOCK 05000335 S 'PDR an FPL Group company

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~ l n

~

pp

FLORIDA POWER AND LIGHT COMPANY - ST LUCIE PLANT NPDES PERMIT NUMBER FL0002208 OSN 001 MONITORING PERIOD - SEPTEMBER 1, 1993 THROUGH SEPTEMBER 30, 1993 On September 15, 1993, the midnight discharge canal sample which was collected during a biocide application (Clam-trol, CT-1) indicated a concentration of 0.53 ppm. This value exceeded the 0.4 ppm maximum limit in the plant's NPDES permit. Analyses of four samples which were collected at four hour intervals prior to the event all yielded values of ( 0.3 ppm. Problems had been experienced at the clay injection station (clay is injected to deactivate the biocide) just prior"to the midnight sample. These problems were corrected within several minutes of their discovery but apparently enough time had elapsed to cause the exceedence. The two remaining samples collected during the application both yielded values of ( 0.3 ppm.

The 0.53 ppm concentration noted in the discharge canal was well below the No Effect Level of 1.2 ppm which was established for this biocide. This fact, plus the dilution which occurs following discharge from the Y-port and multi-port diffusers upon discharge to the Atlantic Ocean, indicate that this event should not have caused any significant environmental damage.

Corrective actions include increased communications between the individuals involved in the biocide injection station, the clay injection station, and the chemistry department. If anomalies occur in any area, biocide injection will be immediately terminated until the condition is corrected.

.0 Pge 4'

P 1

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