PNO-II-88-016, approx Six Gallons of Hydrazine Was Discharged Into Lake Wylie from Waste Water Treatment Pond at Catawba Nuclear Station Near York,Sc,Between Hrs of 9:40 Monday Night & 9:20 Tuesday Morning

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PNO-II-88-016:approx Six Gallons of Hydrazine Was Discharged Into Lake Wylie from Waste Water Treatment Pond at Catawba Nuclear Station Near York,Sc,Between Hrs of 9:40 Monday Night & 9:20 Tuesday Morning
ML20212C612
Person / Time
Site: Catawba  Duke Energy icon.png
Issue date: 03/03/1988
From: Kahle J
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
To:
References
PNO-II-88-016, PNO-II-88-16, NUDOCS 9710300046
Download: ML20212C612 (1)


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) p March 3, 1988 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE PNO-II-88-16 g

i This preliminary- notification constitutes EARLY nctice of events of POSSIBLE safety or K public interest significance. The information is as initially received without verifi-cation or evaluation, and is basically all that is known by the Region 11 staff on this date.

FACILITY: Duke Power Company i

Licensee Emergency Classification:

Catawba Nuclear Station X __ Notification of Unusual Event Docket Nos. 50-413 and 50-414 Alert York, South Carolina _,_ _ Site Area Emergency General Emergency

, Not Applicable

SUBJECT:

HYORAZINE RELEASE Between the hours of 9:40 pm Monc'ay night and 9:20 am Tuesday morning approximately six gallons of Hydrazine was discharged into Lake Wylie from a waste water treatment pond at Catawba Nuclear Station near York, SC.

The licensee postulated that excess Hydrazine in the waste water treatment pond resulted from station personnel rinsing a Hydrazine shipping container (they thought was empty but

' was not) into a sump that was later pumped to a waste water treatment pond. The pond was being discharged into Lake Wylie at the time.

Several dozen dead fish were observed in the area of the discharge point after the release.

The licensee declared an Unusual Event because Federal Guidelines for Hydrazine discharges were exceeded. The Unusual Event was terminated at 4:20 pm March 1, due to Hydrazine no (N longer being detectable at the site bcundary. All appropriate county, state, and federal authorities were informed by the licensee. The South Carolina Department of Health and Environmental Control inspected the area.

The NRC received initial notifica+. ion of this event from thc licensee to the duty officer about 12:50 pm (EST) on March 1, 1988.

The licensee issued a press release on March 1, 1988. p D I This information is current as of 11:00 am on March 2.

CONTACT: J. B. Kahle - 242-6968 DISTRIBUTION H. Street MNBB Phillips E/W Willste Regions Chainnan Zech AYUU NRR DIA NM55 Region I Comm. Roberts ARM 01 Region II Comm. Bernthal EDO Region III Conn. Carr PA Region IV

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Conn. Rogers OGC- - Air Rights Region V SECY SLITP OGC-H CA FAX TO: Nicholson Lane MAIL TO:

GPA TF RES U G Friginal)

ACRS NSAC 00T (Trans. only)

PDR LICENSEE RESIDENT INSPECTOR HQS. OPERATIONS OFFICER C/R Distribution: Chm, Cmrs,

( GPA, GC, CA, PDR, Historian, y

g7o 46 880303 SECY, Records.

PNO-II-88-016 PDR

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