ML20084J206

Telecopy Ao:On 730329,radioactive Liquid Inadvertently Released Into River.Caused by Sample Tank Inlet Valve Being Open.Discharge to River Terminated

ML20084J206
Person / Time
Site:	Quad Cities
Issue date:	03/30/1973
From:	Kalivanakis N COMMONWEALTH EDISON CO.
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084J198	List: ML20084J195 ML20084J206
References
NUDOCS 8305120243
Download: ML20084J206 (1)

Text

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ZCZC 5096542241 TDBN CORDOVA IL 158 05-50 0551P ESI L PMS Ma GRIER, DLR U S A10MIC ENERGY COMMISSION REGION 3 COMPL1 AaCE 799 ROOSEVELT RD ' ED ORG 3/3 # _ _ . .- . CN L FROM DUPE / M GLEN ELLYN IL REFERENCE QUAD-CITIES NUCLEAR POWER ST AIlOh DOCne.T 50-254 AND 50-265. DPH 29 AND 50, APPENDIX A, SECT 10NI.O.A.6 AND 5.6.D.5 ON MARCH 29 1975 THE ( A) FLOOR DRAIN SAMPLE IANK 4AS BEING DISCHARGED TO THE RIVEH AT A RATE EQUIVALENT TO 5 PERCEhI UF THE TECHNICAL .

SPECIFICATION LIMII. ALTHOUGH THE VALVE LINEUP HAD BEEN CHECKED PRIOR TO THE DISCHARGE, THE SAMPLE TANK INLET VALVE WAS DISCOVERED

, IO BE OPEN AND SOME WATER BEING PROCESSED TO THE (B) SAMPLE TANK WAS GOING TO THE ( A) TANK. THIS RESULTED IN A MINOR U,NFLANNED RELEASE Sit 4CE TWO SAMPLES OF THE " MIXED T ANK" WiHE AVI CBTAINED i mm w-m _

PHIOR TO RELEASE. DISCHARGE TO THE RIVER WAS TERMINATED IMMEDI ATELY.

SUBSEQUENT ANALYSIS OF THE MIXED (A) TANK INDICATED IHAT FOR THE 55 MINUTE RELEASE PERIOD THE RATE NEVER EXCEEDED 9 PERCENT OF THE TECHNICAL SPECIFICATION LIMIT l COMMONWEATH EDISON COMPANY GUAD-C111ES NUCLEAR POWER SIAT10N NICK KALIVANAKIS TELEdliAMS (OTHER T:..<. 4Ci4EY ORDERS ) /)g g InPil1 CJo L i'si ;ng i ;, u  !. ~/ ENT, E AD_.L ELM AC10.T . ac11... A. .1 L_11uN I Nbr.&. .

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