ML20076J042

NPDES Noncompliance Notification:On 830520,during Receipt of Load of Bulk Aqueous Ammonia,Storage Tank Overflowed & 50-100 Gallons of Ammonia Solution Entered Outfall 002. Caused by Improper Attention During Chemical Transfer

ML20076J042
Person / Time
Site:	Calvert Cliffs
Issue date:	05/24/1983
From:	Russell L BALTIMORE GAS & ELECTRIC CO.
To:	Allan J NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
NUDOCS 8306200268
Download: ML20076J042 (3)

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• e B ALTIMORE G AS AND ELECTRIC COMPANY P.O. B O X 14 7 5 B A LTIM O R E. M A R Y L A N D 21203 NUCLE AR POWER DEPARTMENT CALVERT CLIFFS NUCLEAR POWER PL ANT LUSBY. M ARYLAND 20657 May 24. 1983 Mr. James M. Allan Acting Regulatory Administrator U.S. Nuclear Regulatory Commission Region 1 631 Park Avenue King of Prussia, PA 19406

Dear Mr. Allan:

In accordance with Section 3.2, No.1 of the Er.vironmental Protection Plan, Appendix B, Part 2 Technical Specifications, enclosed is a copy of the violation of NPDES pennit for the Calvert Cliffs Nuclear Power Plant.

Very truly yours, L.B. Russell Plant Superintendent LBR/BFS/ par cc: Director, Office of Management Information and Program Control l

Messrs: A.E. Lundvall, J r.

l J . A. Tiernan i

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8306200268 830524 PDR ADOCK 05000317 /h S PDR /1/

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O B ALTIMORE G AS AND ELECTRIC COMPANY P.O. B O X 1475 B A LTIM O R E. M A R YL A N D 212o3 NUCLEAR POWER oEFARTMENT COLVERT CLIFF $ NUCLEAR POWEF PLANT Lu$0Y. M A RYLAND 20657 May 24, 1983 Office of Environmental Programs Waste Management Administration 201 West Preston Street Baltimore, Maryland 21201 Attention: Mr. Berry Schmidt Re: Maryland State Discharge Pemit No. 74-DP-0187 rad NPDES Pemit No. MD 0002399

Dear Mr. Schmidt:

On May 20,1983, outfall 002 was in noncompliance of the 6.0 to 9.0 pH specification contained in the reference permit.

In receiving a loaa of bulk aqueous ammonia (30% as NH amm n a s transferred from a supply truck to a site storage tank.3 ,During such a transfer at 1345, the tank was overflowed and 50-100 gallons of the ammonia solution entered outfall 002 via the drain system.'

The total flow of outfall 002 was approximately 280 gpm at the time of the event. Subsequent sampling indicated the following:

l l Time pH 1415 7.2 1430 10.5 (initiation of non-compliance) 1450 10.4 1515 10.3 l 2015 8.9 (termination of non-compliance)

! 5-21-83 1500 7.3 The cause of this incident was improper attention during the chemical I transfer. It is the responsibility of the suppliers' drivers to I

perfom and monitor transfers. Typically, however, a member of the BGGE Chemistry section is present to observe any such tasks. When the Chemistry representative arrived he found the storage tank overflowing.

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Mr. Berry Schmidt May 24, 1983 A memorandum has been written to security personnel ( in constant attendance with the commercial vehicle) to ensure no future hook-up's/ transfers are performed without a Chemistry section representative present.

Very truly yours, L.B. Russell Plant Superintendent LBR/BFS/ par i

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