ML20045G372

NPDES Noncompliance Notification:On 930611,discovered That Outfall 601 Total Suspended Solids Value for Wk Exceeded Daily Limit Collected on 930609.Caused by Algae Bloom in Basin.Algae Population in Basin Will Be Monitored

ML20045G372
Person / Time
Site:	Davis Besse
Issue date:	06/18/1993
From:	Storz L CENTERIOR ENERGY
To:	Ko C OHIO, STATE OF
References
NUDOCS 9307130269
Download: ML20045G372 (1)

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CENTEREOR ENERGY 6200 00k Tree Boulevard Moll Address-Independence OH P O. Box 94661 216 447 310v Cleveland.OH 441014001 June 18, 1993 Hr. Chi S. Ko, Environmental Specialist Division of Vastevater Ohio Environmental Protection Agency Northwest District Office ,

347 North Dunbridge Road P.O. Box 466 Bowling Green, OH 43402-0466

Subject:

Noncompliance with Ohio Environmental Protection Agency National Pollutant Discharge Elimination System Permit

Dear Hr. Ko:

This notification is being provided in accordance with Part III, Section 12 (D) of the Ohio Environmental Protection Agency (EPA), National Pollutant Discharge Elimination System Permit Number 2IB00011*ED for the 3 Davis-Besse Nuclear Power Station.

I On June 11, 1993, at 1010 hours0.0117 days <br />0.281 hours <br />0.00167 weeks <br />3.84305e-4 months <br />, it was discovered that the Outfall 601 Total Suspended Solids value for the week was 45.5 mg/L, which exceeds the daily limit of 45.0 mg/L. This sample was collected on June 9, 1993, at 0940 hours0.0109 days <br />0.261 hours <br />0.00155 weeks <br />3.5767e-4 months <br />. This concentration of suspended solids has been attributed to an algal bloom in the basin. Subsequent sampling of the outfall collected on June 11, 1993, shoved a Total Suspended Solids result of 27.5 mg/L, which )

falls below permitted discharge limitations. j l

Following identification of this condition, telephone notification was made i to the Ohio EPA Emergency Response Center in accordance with permit j Section 12 (B). The report number is 9306-62-2314.  !

l The algae population in the settling basin vill continue to be monitored to- j guard against further exceedances of discharge limits. l Sht.ild you have any questions regarding this matter, please contact l Mr. Robert V. Schrauder, Manager - Nuclear Licensing, at (419) 249-2366.

Sincerely _j bw -

. F. S Plant Manager TKV/ksd bec: USNRC, Document Control Desk Operating Companies: 1onn4n m Cleveland Electric muminchng 9307130269 930618 Q

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