ML17227A689

NPDES Noncompliance Notification:On 921221,chemical Feed Tank Inadvertently Discharged Through Drain Left in Open Position,Resulting in Release of Approx 20 Gallons of Amerzine to West Storm Pond.Personnel Counseled

ML17227A689
Person / Time
Site:	Saint Lucie
Issue date:	01/14/1993
From:	Sager D FLORIDA POWER & LIGHT CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
L-93-11, NUDOCS 9301220236
Download: ML17227A689 (7)

Text

. ~ccmz.mtu Yg oocyte olsTpgUTlox svsTKM ACCESSION NBR:9301220236 DOC.DATE: 93/01/14 NOTARIZED: NO DOCKET

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FACIL:50-. 389, St. Lucie Plant, Unit 2, Florida Power & Light Co. 05000389 AUTH. NAME AUTHOR AFFILIATION SAGER I 6:.A. Florida Power S Light Co.

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

SUBJECT:

NPDES noncompliance notification:on 921221,chemical feed*

tank inadvertently discharged through drain left in open position, resulting in release of approx 20 gallons of Amerzine to west storm pond. Personnel counseled.

DISTRIBUTION CODE'E23D COPIES RECEIVED:LTR ! ENCL TITLE: Environmental Event Report (per Tech ".Specs) 2 SIZE:

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/DREP 1 1 NRR PMAS ILRB12 1 1 OGC/HDS3 1 1 EG FTI Ol 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

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P.O. Box 28, Ft. Pierce, FL 34954-0128 January 14, 1993 L-93-11 10 CFR 50.36b EPP 5.4.2 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D. C. 20555 Re: St. Lucie Unit 2 Docket No. 50-389 Environmental Protection Plan Report Date of Event: December 22, 1992 Non-Routine Environmental Re ort The attached report is being submitted pursuant to the recpxirements of Section 5.4.2 of the St. Lucie Unit 2 Environmental Protection Plan. The attached provides a description of a reportable hydrazine release to the on-site stormwater basin at the St. Lucie Plant.

Should there be any questions on this information, please contact us ~

Very truly yours, KW sassy Vice President St. Lucie Plant DAS/JJB/kw Enclosure cc: Stewart D. Ebneter, Regional Administrator, Region II, USNRC Senior Resident Inspector, USNRC, St. Lucie Plant DAS/PSL 8843-93 930i220236 9301i4 PDR S ~

ADOCK 05000389 PDR 22.gros 1H an FPL Group company

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Florida Power & Light Company, P.O. Box 088801, North Palm Beach, FL 33408.8801 FPL January 11, 1993 Mr. Terry Davis Florida Department of Environmental Regulations Southeast District, Port St. Lucie Office 1801 S.E. Hilmoor Drive Suite C-204 Port St. Lucie, Florida 34952 Re: Hydrazine Release St. Lucie Plant

Dear Mr. Davis:

As a follow-up to our December 22, 1992 verbal report to your office for the subject release, this written follow-up is provided as you requested. The St. Lucie Plant utilizes Amerzine (35% hydrazine) as an oxygen scavenger in the plant's closed cycle steam-water system. The Amerzine is fed into the system by pumping from a small chemical feed tank. On December 21, 1992, plant operations personnel were returning the chemical feed system for Unit 2 to service after chemical feed pump maintenance. As a part of returning the chemical feed system to service, several valves must be aligned to proper operating configuration. When the chemical feed system was returned to service, one of the valves was incorrectly left in an open position. This allowed the chemical feed tank to inadvertently discharge through a drain line, which normally has an end-cap, into a floordrain. Aqueous Amerzine solution from the feed tank flowed into the floordrain system, which is designed to convey stormwater and equipment washdown water to the onsite West Storm Pond, an evaporation/percolation pond which has no surface water outfall.

Approximately 20 gallons of aqueous Amerzine solution containing approximately 70 lbs of hydrazine was released to the floordrain system and was subsequently. released to the West. Storm Pond. Since the CERCLA RQ for hydrazine is one (1) pound, the release was immediately reported to the National Response Center. The Southeast District DER office was also immediately notified. The release was also reported to the State Emergency Response Commission and the Local Emergency Planning Committee as a courtesy. Reporting to the SERC and LEPC were not required by SARA Title III since FPL does not believe that there was any offsite release of hydrazine.

The release did not result in any onsite or offsite health or safety impacts, and no emergency response and/or clean-up activities were required, particularly since hydrazine reacts relatively rapidly with oxygen and thus is not environmentally persistent for any significant period of time.

Immediate corrective actions to prevent recurrence were to counsel plant personnel to check all valve alignments against approved engineering drawings to ensure proper valve configuration and to notify the Chemistry Department prior to doing valve line-ups on the chemical feed system. Further, caps on the chemical feed system drain lines have been secured in a manner which will preclude inadvertent removal.

Longer range corrective actions will include the installation of secondary containment and a sealing of floor drains in the chemical feed tank area.

an FPL Group company

If there are any questions, please direct them to Alan Benedict at 407-625-7612.

Sincerely, Larr kovjan Manager Hazardous Substances Regulation cc: Eve Rainey - SERC Bruce Pisani - District 10 LEPC

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