ML20126M728

NPDES Noncompliance Notification:On 850121 & 28,routine Weekly Oil & Gas Samples Measured 50.2 Mg/L & 60 Mg/L, Respectively,Exceeding Limit.Caused by Bypass of New API Oil/Water Separator Due to Faulty Waste Pump

ML20126M728
Person / Time
Site:	Palisades
Issue date:	02/04/1985
From:	Fobes R CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	Morley F MICHIGAN, STATE OF
Shared Package
ML20126M704	List: ML20126M701 ML20126M710 ML20126M714 ML20126M719 ML20126M728 ML20126M750 ML20126M769
References
PAL-85-01-AD105, PAL-85-1-AD105, NUDOCS 8506200447
Download: ML20126M728 (2)

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CORSum8f5 t POW 8r 7. .

V e Company

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General officos: 212 West Michleen Avenue. Jackson, MI 49201 e (511) 788-0550 w Februray 4, 1985

.Mr Fred Morley District Supervisor Plainvell District Office Bldg 621 North 10th Street PO Box 355 Plainvell, MI 49080 FILE NO: P10.2.1 INCIDENT NO: PAL-85-01-AD105 This is in regard to NPDES Permit No FI 0001457 for the Company's Palisades Plant. In accordance with Part II, A4, the attached " NPDES Notification,"

Incident No PAL-85-01-AD105, is submitted as a report of an apparent differ-ence from the daily maximum effluent limitations for this facility.

If you have any questions regarding the attached report, please contact this office, p XFh R L Fobes Senior Environmental Advisor CC US EPA, Enforce:nent Division, Region V BCC RBDeWitt, P-26-ll7B KFBieszke, P-24-329 BDJohnson, P-24-606 BWMarguglio, JSC-220A JFFirlit, Palisades JRSchepers, Palisades SFPierce, Palisades ATUdrys, M-1023 8506200447 PDR 850531 R ADOCK 05000255 pg OC0185-0344A-ENO3

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File No P10.2.1 i

Incident No: PAL-85-01-AD105 l l

NPDES NOTIFICATION Apparent Difference From Daily Average / Maximum Limitation February 4, 1985

Plant: Palisades Permit No: MI 0001457 i

Outfall

Description:

Turbine Sump Oil Separator Outfall Code No: 800218 Discharge (00G) '

Parameter: Oil and Grease (Freon) Parameter Code No: 00556

1. Date of Incident: 1/21/85

2. Identification of specific effluent limitation or monitoring requirement affected:

l Oil and grease daily maximum limitation of 20 mg/L.

3. Description of Incident:

Routine weekly' grab sample for oil and grease collected on 1/21 & 28/85 neasured 50.2 and 60.0 mg/L, respectively.

4. Apparent Cause

The new API cil/ water separator was bypassed because of a malfunctioning waste oil pump. A larger than normal amount of oil had accumulated in the turbine sump and was passed through to tank T-41 while the separator was out of service.

5. If not immediately corrected, the anticipated time the condition is expected to continue:

4 NA l

, 6. Corrective Action - The following corrective action was taken or will be

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en to reduce, eliminate and prevent recurrence:

A temporary waste oil pump was installed and the oil / water separator re- i turned to service. In addition, the accumulated oil was pumped out of the j turbine sump and Tank T-41. Also, a system engineer has been assigned the

' responsibility of designing and conducting a verification program for the new separator to optimize its performance.

7. Additional Comments:

4 i The final discharge to Lake Michigan showed no visible signs of oil.

8. Signed:

R L Fobes RP0185-0133A-ENO3

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