ML20024E793

LER 83-029/03L-0:on 830720,analysis of Central Control Room Air Filtration Sys Charcoal Filters Indicated Absorption Efficiencies for methyl-iodine of 92.9% & 95%.Cause of Inefficiencies Unknown.Charcoal replaced.W/830819 Ltr

ML20024E793
Person / Time
Site:	Indian Point
Issue date:	08/19/1983
From:	Hinrichs G, Otoole J CONSOLIDATED EDISON CO. OF NEW YORK, INC.
To:	Murley T NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
LER-83-029-03L, LER-83-29-3L, NUDOCS 8309070065
Download: ML20024E793 (2)

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U. S. NUCLE AR nf GUL ATORY COMM11SION

,,nc F OR'A 366

" LICENSEE EVENT REPORT EXHIBIT A

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covt o i d .i occ.u uvi,ea = w evis,o.1. i o l

EvFNT DESCR4PTiON AND PROBABLE CON 5tOVENCES bic 1 g ; Ibe charm =1 filters in the Central Control Pom (CCR) air filtration o i systan were replaced and two reproanntativa aarmina nf tha r_--a cha_~ ~ 1 1 l

,, , i uere sent to ISA Tahnratories for analysis. 'Ihe analysis revealtri

l i o s Iabsoro+4nr1 efficienci.e rne mnehy1-inaine nr 97,9g s~= 957, , a;; g ,-

t o . I filters are pis'ad in service durina control onm innlatinn mna4+4nn. 1 l

I 8 Lto r<vuna pn+.neiai in*=ico nr r-aim _imai= 37 cent,c1 n;an peg ,,,,g;, i I

g i revious event: IER 83-021.

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Minvirhe PHONE (914) 325-5548 NAME OF PREPAREn _f ND

r John D. O'Toole

1. *' ' '* we event ,

Conschdated Edison Company of New York, Inc.

4 living Place, New York. NY 10003 Telephone (212) 460 2533 August 19, 1983 Re Indian Point Unit No. 2 Docket No. 50-247 LER-83-029/03L-0 Dr. Thomas'E. Murley, Regional Administrator-Region I U. - S. Nuclear Regulatory Constission 631 Park Avenue King of Prussia, Pa. 19406

Dear Dr. Murley:

The attached Licensee Event Report LER-83-029/03L is hereby submitted in accordance with the requirements of Technical Specification 6.9.1.7.

This event is of the type described in Technical Specification 6.9.1.7.2.b.

Very truly yours, o

l'ig,w I, Y YV Attach.

CC: Document Control Desk U. S. Nuclear Regulatory Commission '

Washington, D. C. 20555 l

Mr. Thomas Foley, Senior Resident Inspector U. S. Nuclear Regulatory Commission P. O. Box 38 Buchanan, New York 10511 I l