ML17335A245

Informs of 980828 Notification to Michigan Dept of Environ Quality of Spill of Boiler Water Containing Hydrazine & Ethanolamine & Update of Earlier Spill of Mobil DTE 797 Oil. Enclosed Are Copies of Notifications

ML17335A245
Person / Time
Site:	Cook
Issue date:	09/21/1998
From:	Powers R INDIANA MICHIGAN POWER CO. (FORMERLY INDIANA & MICHIG
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
AEP:NRC:1208AD, NUDOCS 9809290179
Download: ML17335A245 (10)

Text

CATEGORY 1 REGULAT Y INFORMATION DISTRIBUTION SYSTEM (RIDS)

ACCESSION NBR:9809290179 DOC.DATE: 98/09/21 NOTARIZED: NO DOCKET FACIL:50-315 Donald C. Cook Nuclear Power Plant, Unit 1, Indiana M

05000315 50-,.316 Donald C. Cook Nuclear Power, Plant, Unit 2, Indiana M

05000316 AUTH.NAME AUTHOR AFFILIATION POWERS,R.P.

Indiana Michigan Power Co.

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

SUBJECT:

Informs of 980828 notification to Michigan Dept of Environ Quality of spill of boiler water containing hydrazine 5

ethanolamine

& update of earlier spill of Mobil DTE 797 oil.

Enclosed are copies of notifications.

DISTRIBUTION CODE:

IE23D COPIES RECEIVED:LTR ENCL SIZE:

TITLE: Environmental Event Report (per Tech Specs)

NOTES:

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RECIPIENT ID CODE/NAME PD3-3 PD INTERNAL:

LE CE RGN3 EXTERNAL: NOAC COPIES LTTR ENCL 1

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1 RECIPIENT ID CODE/NAME STANG,J OGC/HDS3 NRC PDR COPIES LTTR ENCL 1

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NOTE TO ALE "RZDS" RECIPIENTS:

PLEASE HELP'US TO REDUCE WASTE. TO HAVE YOUR NAME OR ORGANIZATION REMOVED FROM DISTRIBUTION LISTS OR REDUCE THE NUMBER OF COPIES RECEIVED BY YOU OR YOUR ORGANIZATION, CONTACT THE DOCUMENT CONTROL DESK (DCD)

ON EXTENSION 415-2083 TOTAL NUMBER OF COPIES REQUIRED:

LTTR 7

ENCL 7

Indiana Michigan~

Power Company ~

500 Circle Drive Buchanan, Ml 49107 1373 September 21, 1998 Docket Nos:

50-315 50-316 ENSMMA MCHIGAM PWM AEP:NRC:1208AD U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Mail Stop 0-Pl-17 Washington, D.C.

20555 Gentlemen:

Donald C.

Cook Nuclear Plant Units 1 and 2

SPILL NOTIFICATION AND UPDATE TO PREVIOUS SPILL NOTIFICATION Indiana Michigan Power Company is the holder of National Pollutant Discharge Elimination System (NPDES) permit number MZ0005827 for Donald C.

Cook Nuclear Plant.

Section 5.4.2 to part IZ of appendix B

(environmental technical specifications) to facility operating licenses DPR-58 and DPR-74 requires that reports of events that are reportable to other agencies be provided to the NRC.

In a letter dated August 28,

1998, the Michigan Department of Environmental Quality (MDEQ) was notified of a spill of boiler water containing hydrazine and ethanolamine.

Zn a separate letter dated August 28,

1998, MDEQ was notified of an update regarding an earlier spill of Mobil DTE 797 oil.

Zn accordance with the environmental technical specifications, copies of the notifications are provided to the NRC.

l If you have any questions or concerns regarding this notification,

/

please contact John Carlson at 616/465-5901, extension 1153.

Sincerely,

~ P.

Powers Vice President 7+ z 3

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U. S. Nuclear Regulatory Commission Page 2

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ATTACHMENT 1 TO AEP:NRC:1208AD LETTER PROVIDING NOTIFICATION OF SPILL

American Electric Po~

Cook Nuclear Plant One Cook Place Bndgman, Ml49106 616 465 5901 AMERICAN ELECTRIC POWER Mr. Fred Morley, District Supervisor Surface Water Quality Division Michigan Department of Environmental Quality 1342 SR 89 West Suite B Plainwell, Ml 49080 August 28, 1998

Subject:

Donald C. Cook Nuclear Plant NPDES Permit No. MI0005827 As required by NP DES Permit MI0005827, Part II. Section A.6. Spill Notification, this written notification is being provided.

During a routine review of the alternate heating boiler logbooks on August 18, 1998, environmental personnel discovered that a spill had'occurred during an equipment drain at the site. On August 1, 1998, plant personnel were preparing the alternate heating boiler for maintenance.

This involved draining the boiler contents to Outfall.OOC the plant forebay. The boiler contents were analyzed for suspended solids prior to draining for NPDES compliance.

At 1350, Operations personnel began to drain approximately 4,000 gallons ofwater to Outfall 00C. A small leak in the blowdown drain line was noted during the drain. The boiler water from this leaked to an isolated catch basin used for chemical unloading. The drain was stopped and the supervisor was notified. Due to a misunderstanding between Operations and Chemistry Departments, a Operation's supervisor allowed the drain to continue without notifying the Environmental Department.

This allowed approximately 100 gallons of heating boiler water to drain into to the chemical unloading area catch basin. The boiler water contained approximately 5.2 ppb hydrazine and 9.9 ppm ethanoiamine.

Environmental technicians, unaware of the spill, drained the catch basin twice during the week of August 3-7 after heavy rainfalls to the storm drain system.

The drained storm water is routinely'ested for pH and visual observation for oil sheen, turbidity, color, foams or settleable solids. The rainfall during the next week diluted the spill as evidenced by the pH of the sample falling within the limits of 6.0 to 8.5, normal pH of heating boiler water would be >9.8.

We do not believe there was any harm to the environment due to the low levels of the chemicals involved.

We are currently investigating preventive actions that can be implemented to prevent

'uch an event from occurring again.

Ifyou have any questions, please contact me at (616) 465-5901, ext 1153.

Sincerely,

~ P. Garison Environmental Compliance Supervisor c: Jenny MoltoyMDEQ Plainwell

Mr. Fred Morley Page 2 August 28, 1998 I certify under penalty of law that I have personally examined and am familiar with the information submitted on this and all attached documents; and based on my inquiry of those individuals immediately responsible for obtaining the information, I believe the submitted information is true, accurate and complete.

I am aware that there are significant penalties'for submitting false information, including the possibility of fine and imprisonment.

J. R. Sampson Site Vice President

ATTACHMENT 2 TO AEP:NRC: 1208AD LETTER PROVIDING UPDATE REGARDING PREVIOUS SPILL

Amertcan Electric Po Cook Nudear Plard One Cook Place Bndgman, Ml49106 616 465 5901 Z

AMERICAN EI.ECTRIC POWER Mr. Fred Morley, District Supervisor Surface Water Quality Division Michigan Department of Environmental Quality 1342 SR 89 West Suite B Plainwell, Ml 49080 August 28, 1998

Subject:

Donald C. Cook Nuclear Plant NPDES Permit No. MI0005827 The purpose ofthis letter is to provide you with an update regarding our June 25, 1998 spill notification letter.

It was initially estimated that'approximately 780 gallons of Mobile DTE 797 oil was spilled to Lake Michigan over a 24-hour period.

During the follow-up investigation of the incident, we estimate the duration of the release to be less than 20 hours2.314815e-4 days <br />0.00556 hours <br />3.306878e-5 weeks <br />7.61e-6 months <br />, from late June 16 to June 17. Our revised estimate of the quantity of non-hazardous, Mobil DTE 797 lubricating oil released from the UnitTwo northeast Main Turbine Lube Oil Cooler is 164 gallons.

Of that quantity, we believe that less than 10 gallons were discharged to Lake Michigan.

Based on visual observations in Lake Michigan, associated wind direction and shoreline evaluation, the total amount of oil recovered from the Unit Two's discharge vault, and the total amount of oil recovered from the spill, we believe our current release estimates to be more accurate than originally reported.

Ifyou have any questions, please contact me at (616) 465-5901, ext 1153.

Sincerely, J. P. Garison Environmental Compliance Manager

Mr. Fred Morley Page 2 August 28, 1998 I certify under penalty of law that I have personally examined and am familiar with the information submitted on this and all attached documents; and based on my inquiry of those individuals immediately responsible for obtaining the information, I believe the submitted information is true, accurate and complete.

I am aware that there are significant penalties for submitting false information, including the possibility of fine and imprisonment.

~@a J. R. Sampson Site Vice President