ML19347B661

LER 80-052/01L-0:on 800925,found That Releases from Reactor Bldg Sump Following Releases from Radioactive Liquid Waste Sys Could Result in Excessive Radionuclide Concentrations. Caused by Capacity & Location of Oil Separator

ML19347B661
Person / Time
Site:	Fort Saint Vrain
Issue date:	10/09/1980
From:	Gahm J PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML19347B658	List: ML19347B657 ML19347B661
References
LER-80-052-01L, LER-80-52-1L, NUDOCS 8010150517
Download: ML19347B661 (1)

Text

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CRC F08g4 364 U. S. NUCLEA3 REEULATORY COMMISSION 17 171*

LICENSEE EVENT REPORT .

l (PLEASE PRINT OR TYPE ALL REQUIRED INFORMATIONI CONTACL 8LOCIC: l l l l l lh 6

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60 61 CoCEET NyvegR es 69 EV ENT DATE 74 7S REPORT 3 ATE $0 EVENT CESCRIPTICN AND PROB ABLE CCNSEQUENCES h I o I: 1 i On September 25, 1980, at 0840 hours0.00972 days <br />0.233 hours <br />0.00139 weeks <br />3.1962e-4 months <br />, it was determined that due to the retention I g g time of the oil separator in the line common to both the reactor building sump and thel

o,,,; radioactive liquid waste effluent, releases from the reactor building sump following l 90,3, g releases from the racioactive liquid waste system could potentially result in radio- l J

l 0 l6 l ] nuclide concentrations in excess of the values specified_in_ Table II e Column 2. 10CFR I to;7; ; 20, Appendix B for unrestricted areas. 7.eportable per Fort S t. Vrain Technical Speci-l

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fication AC 7.5.2(a)9. No accompanying occurrence. No similar report. l

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9 10 ti 12 13 18 15 20 SEQUENTIAL OCCLeatNCE REPORT egyggicq EVENT VI AR REPCRT NO. COCE TYPt No.

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l 3J 34 3S J6 3/ 40 44 42 43 44 47 CAUSE DESCRiirTION AND CCARECTIVE ACTICNS 27 g i g o ; l Problem' described is a result of the holding caoacity of the oil separator and its 1

,3 ,, , l location in a line cotzlon to the liquid waste system and the reactor buildine sumo. I

,, ,g {rocedure changes have been initiated to preclude releases in concentratiens greater i

,,,3, l than ;TC. Addition'al samDies will be taken to deternine adecuacy of changes. Desian l

, ,Ai i change under investigation. Final resolution to be submitted in a sunnieraental recortl.

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3 3 SO SA S %7CWER OTHER$7ATUS D15 C Y 04SCOVERY 3ESCRs#Tf 0N

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NAME OF PnEP AAE A PHONE: (303) 785-2253 2, '

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