ML20004C465

NPDES Noncompliance Notification:On 810319,sample Const Sewage Treatment Plant Effluent Had Ph of Less than Min Limits.Cause Not Known.Sodium Bicarbonate Added to Plant on 810319 to Increase Ph

ML20004C465
Person / Time
Site:	Sequoyah
Issue date:	06/01/1981
From:	Elashry M TENNESSEE VALLEY AUTHORITY
To:	Patrick J ENVIRONMENTAL PROTECTION AGENCY
References
TN0026450, TN26450, NUDOCS 8106040098
Download: ML20004C465 (1)

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DIlhdSSCE' VALLEY Aa n 10:411/  ?AF swnm. u m.assa. s ia o 215 Natural Resources Buildin.

JUNE 1~ 1981-Mr. James R.. Patrick, Jr. , Deputy Chief -

Compliance Branch, Enforcement Division EnvironmentalL Protection' Agency, Region' IV 345 Courtland~ Street,-NE Atlanta, Georgis 30365

Dear Mr; Patrick:

' NOTIFICATION 0F NONCOMPLIANCE WITH. EFFLUENT LIMITATIONS - NPDES PERMIT NO. TN0026450.- SEQUOYAH NUCLEAR PLANT Description of the discharge--Discharge No. 001 - Construction sewage treatment. plant effluent. A. sample collected-'on March 19, 1981 had a.

pH'of 5.8 units, which is less than the ainimum permit limitation of-

- 6.0 units. This sample was inaavertently overlooked until the quarterly Discharge Monitoring Reports were prepared'and thus was not-reported within the required five-day period.

Cause and period of the noncompliance--The exact cause of the noncompliance is unknown. The pH was 6.0 units on March 18 and 6.4 units on March 20:

therefore, the period of noncompliance wts less than 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br />.

Steps'taken to reduce, eliminate, and prevent recurrence of the noncomplying discharge- Sodium bicarbonate was added to the plant on March 19 to increase the pH.

Sincerely, Mohamed T. El-Ashry, Ph.D.

Assistant Manager of Natural hesources (Environment) ce; Tennessee Department of Public Health i Division of Water Quality Control 621 Cordell Hull Building Nashville,-Tennessee 37219 Mr. Harold E. Denton, Director Office of Nuclear Reactor Regulation

.. S._ Nuclear Regulatory Commission 7920 Norfolk Avenue Washington, DC 20535 Mr. Ja ' es P. O'Reilly, Director Office of Inspection and Enforcement [ gh U.S, : Nucient ' Regulatory Ccamission Region I; - Suite 3300. 101 Marietta Street b Atlanta,5C orgia 30303 I d2

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