ML20091L277

NPDES Noncompliance Notification:On 810228,effluent Sample Contained 75.9 Mg/L Suspended Solids.On 810110,13 & 28, Coliform Readings Were 1609 mpn/100 ml,1180 mpn/100 Ml & 1609 mpn/100 Ml,Respectively

ML20091L277
Person / Time
Site:	Calvert Cliffs
Issue date:	02/24/1981
From:	Russell L BALTIMORE GAS & ELECTRIC CO.
To:	Riggin R MARYLAND, STATE OF
Shared Package
ML20091K978	List: ML20091K975 ML20091L030 ML20091L034 ML20091L051 ML20091L061 ML20091L072 ML20091L085 ML20091L102 ML20091L111 ML20091L131 ML20091L142 ML20091L147 ML20091L153 ML20091L158 ML20091L170 ML20091L176 ML20091L188 ML20091L196 ML20091L211 ML20091L218 ML20091L221 ML20091L228 ML20091L229 ML20091L251 ML20091L264 ML20091L277 ML20091L287 ML20091L293 ML20091L300
References
NUDOCS 9201270342
Download: ML20091L277 (2)

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BALTIMORE G AS'AND-ELECTRIC COMP ANY

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. NUCLE AR POWER DEPARTMENT .

' ' ; CALVERT CLIFFS NUCLE A R POWER PL ANT

. . LUSOY. M ARYL AND 20617..

q j February; 2k ,j l981 Statei of- Maryland

. Department of Natural-;.Pesources y Tuter Resources = Ad=inistration c

- Tave s . State.: Office Building -i A :  : Annapolis,7.D; 21h01

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" Attention: ~ ! Mr. Raymond E. Riggin s

n Re: - Maryland' State Discharge

," Pernit Nob Th-DP-0187A._

(NPDES No, MDL 0002399)-

1. f IDearlMr. Riggins' m jp.dring the month'offJanuary, there vere four violations-in:the:sevage-

' plant operation;at the- Calvert 011f fs Nuclear Power Plsnt not previously

reported in accordance with :section IIJB.2- of!the; Maryland State Discharge Pemit No.17h-DP-0187A. Infomation. cencerning..these, violations,is pre-1 sented below:

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-1)T ' On: January 128,lani effluent sample vas foundLto contain ,75 9 mg/1-suspended solids. This is' greater than the ' k5 - mg/1. authorized

- 2by .section iI.D. of ,the reference pemit.1 lIn addition Othe; monthly _ ' '

s 7 average suspended solidsTconcentration was calculated to be -

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h0 5 mg/1, slightly greater ther. the:30 rg/J. pemitted.

'I 2)I On Janue.ry;10,13, and 28, the coliform readings were 1609:

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l'% L mpn/100 m1,y t 1180 mpn/100 ml and 1609 mpn/100 ml respectively, 7 - ,

, igreate'.:Y,he.n the 'allovable 70 mpn/100 ml. ,

These even1;s were all dua to execptionally-high flows currently being experienced by the sewage treatuont' plant. Since October the Calvert-T* Cliffs Nuclear Power Plant (both Unit = 1 and ' Unit 2)!has been in a scheduled 5 , refueling / major modification outage , vP ch demands:- a- large work force popu-g'

--lationO The' euisting sevage 'treatnent plant has .not.been fully capable of

handling.this intweased flov.

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. . d' Mr. Raymond E. Riggin Page 2 To correct this situation, a staff engineer and two chemistry technicians are working toward a pinnt modification program designed to provide full compliance by June 1,1981. Also, larger or additional sewage treatmenc-f acility is being planned as. a major _ component of the Nuclear Pover Plant expansion.

Sincerely yours, L. B. Russel Plant Superintendent GEB:feb cc: J. A. Tiernan t

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