ML20028A286

LER 82-041/03L-0:on 821011,during Calibr of Radioactive Liquid Effluent Monitors,Trip Point for RIS-6212 Found to Be Less Conservative than Required.Caused by Instrument Drift. High Voltage & Discriminator Settings Adjusted

ML20028A286
Person / Time
Site:	Fort Saint Vrain
Issue date:	11/10/1982
From:	Fuller C PUBLIC SERVICE CO. OF COLORADO
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
Shared Package
ML20028A283	List: ML20028A282 ML20028A286
References
LER-82-041-03L, LER-82-41-3L, NUDOCS 8211180048
Download: ML20028A286 (1)

Text

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• LICENSEE EVENT REPORT (PLEAst PRINT OR TYPE ALL KEIUIRED INPDIAAATIONI CONTROL block: l l l l l l @

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74 MEPORT DATE 50 EVENT DESCRIPTION AND pro 8ABLE CONSEQUENCES h O I During the quarterly calibration of the radioactive liouid effluent monitors. the I o l trip point for RIS-6212 was found to be less conservative than required and is m- I o . l portable as a degraded mode of LCO 4.8.2(d) per Fort St. Vrain Technical Specificatio..I o 3 lAC 7.5.2(b)2. No accompanying occurrences. No affect on public health or safety. I o o l Redundant system operable. Similar reports are R0's82-004, 81-034,81-036, 81-013. I o , l 00-67, 79-37, and 77-24. l ib F1 I I

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[JSZ_J@ 36 3 40 @4@ 42 43 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS g ; Instrument drift was the cause of he detector being out of calibration. High voltagei

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, , , trip point. RIS-6212: Manufacturer - General Atomic Company, Model Number - ELD- i g ;185-3300-2C. No further corrective action is anticipated or required. l EI .J C '

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