ML18142B881

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LER 1975-008-00 for R. E. Ginna, Degradation of Charcoal Filter Iodine Removal Efficiency
ML18142B881
Person / Time
Site: Ginna Constellation icon.png
Issue date: 04/17/1975
From: White L D
Rochester Gas & Electric Corp
To: O'Reilly J P
NRC/IE, NRC Region 1
References
LER 1975-008-00
Download: ML18142B881 (7)


Text

>REPORT OF ABNORMAL OCCURRENCE AND/OR INCIDENZ NRC DISTRIBUTION FOR PART 60 DOCKEd MATERIAL (TEMPORARY FORM)CONTROL NO: 4414 FILE: INCIDENZ REPORT FILE TO: Mr James P.O'Reilly ORIG I-signed FROM: R est r Gas and Electr DATE OF DOC Corp Rochester, N.Y, L.D~White 4>>17-75.4-22-75 CC OTHER XXXX SENT AEC PDR SENT LOCAL PDR DATE'EC'D LT'R'WX RPT OTHE R CLASS UNCLASS PROPINFO DESCRIPTION:

INPUT NO CYS REC'D 40 ENCLOSURES:

DOCKET NO: 50-244 Ltr trans the following:

e@(KNQVflCADGED BO NOT H,EMOVE PLANT NAME: RE Ginna O'I Abnormal Occurrence 8'75-08 on 4-8-75 concernipg degradation of charcoal filter iodine removal.efficiency

~~.~~~FOR'ACTION/INFORMATION "75 JGB BUTLER (L)W/Copies CLARK (L)W/Copies I&flan tL)W/Copies KNIEL (L)W/Copies SCHWENCER (L)W/Copies STOLZ (L)W/Copies v HSSALLO (L)W/Copies PURPLE (L)Wopies Zl EMANN (L)W/Copies DICKER (E)W/Copies KiliGHTGN (c)W/Copies YOUNGBLOOD (E)W/Copies REGAN (E)W/Copies LEAR (L)W/Copies QPc Lb W/Copies W/Copies INTFRNAL DISTRIBUTION-I LE TECH REVIEW~NR~SCHROEDER OG C, R OOM P-506A~i AC CA R Y GOSSI CK/STAF F KNI G HT~CASE PAWLICKI GIAMBUSSO-SHAO BOYD"'"~STE L LO MOORE (L)<'~HOUSTON DEYOUNG (L)"" NOVAK SKOVHOLT (L)~ROSS GOLLER (L)(Ltr)~IPPOLITO P.COLLINS~EDESCO DENISE LONG REG OPR LAI NAS WF I I E 5, REGION (2)BE NA ROYA<.MISC/P~(3)<VOLLMER STEELE DENTON pG R IMES GAMM ILL KASTNER BALLAR D SPANGLER ENVI RO MULLER DICKER KNIGHTON YOUNG BLOOD REGAN PROJECT LDR HAR LESS LIC ASST R.DIGGS (L)H.GEARIN (L)E.GOULBOURNE (L)P.KR EUTZ E R (E)J.LEE (L)M.MAIGRET (L)S.REED(E)M.RV ICE (L).SHEPPARD (L)M.SLATER (E)H.SMITH (L)S.TEETS (L)G.WILLIAMS (E)V.'ILSON (L)R.INGRAM (L)A/T IND.BRAITMAN SALTZMAN ME LTZ PLANS MCDONALD CHAPMAN.DUBE (Ltr)E.COUPE PETERSON HARTFIELD (2)~KLECKER EISENHUT WI GG I NTON~F.WILLIAMS<<H EXTERNAL DISTRIBUTION s,1 LQggL pDR~Lnons NY snd Rochester, NY~1-TIC (ABERNATHY)

(1)(2)(10)

-NATIONAL LABS~1-NSI C (BUCHANAN) 1-W.PENNINGTON, Rm E-201 GT 1-ASLB 1-CONSULTANTS 1-Newton Anderson NEWMAR K/B LUME/AG BA BI AN~-ACRS SENT TO LIC ASST"~" SEND ONLY TEN DAY REPORTS 1-PDR SAN/LA/NY 1-BROOKHAVEN NAT LAB 1-'.ULRIKSON, ORNL 1-AGMED (RUTH CiUSSMAN)Rm B-127 GT 1-J.D.RUNKLES, Rm E-201 GT 1 f'~~~h~~~~~~1

  • " 4i!r5ie.l"',il Pii'li7iFiPii ROCHESTER GAS AND ELECTRIC CORPORATlON o 89 EAST AVENUE, ROCHESTER, N.Y.14649 LEON D.WHITE.JR.VICE PIIESIOENT a~%'4"-Fila Gg>>" April 17, 1975 T E I.E P H 0 N E*II EA COO E T I a 5 4 6-27 00 Mr.James P.O'Reilly, Director U.S.Nuclear Regulatory Commission Office of Inspection and Enforcement Region I, 631 Park Avenue King of Prussia, Pennsylvania 19406~ojOI~9~g Q~OEw l2 ClIPT'c$0'"'ubject:

Abnormal Occurrence 75-08, Degradation of charcoal filter iodine removal efficiency R.E.Ginna Nuclear Power Plant, Unit No.1 Docket No.50-244

Dear Mr.O'Reilly:

In accordance with Technical Specifications, Article 6.6.2a, the attached report of Abnormal Occurrence 75-08 is hereby submitted.

Two additional copies of this letter and the attachment are en'closed..

I Very truly yours, L.D.White, Jr.Attachment cc: Mr.Donald F.Knuth (40)+PXTTZ U5HEC O 8' J~5 lp

~LICENSEE EVENT REPC CONTROL BLOCK: LICENSEE NAME Jog NY R EG1 0 7 89 14 15 LICENSE NUMBER 0-00 00 0-0 0 LICENSE TYPE EVENT TYPE 4 1 1 1 1~01 26 30 31[PLEASE PRINT ALL REQUIRED INFORMATION)

REPORT CATEGORY TYPE~01 GQN'T~MI T-7 8 57 58 59 REPORT SOURCE DOCKET NUMBER EVENT DATE REPORT DATE L 0 5 0-0 2 44 04 0 8 75 04 1'7 75 60 61 68 69 74 75 80 EVENT DESCRIPTION

[oO~J During refueling shutdown the post accident filters charcoal samples showed"A" filter 7 8 9 QQ3]charcoal molecular iodine removal efficienc of 99.4%, while for"B", above the 80 7 89 80~04 acceptance criteria of 99.9%.Methyl iodide removal efficiencies for"A" and"B" were 8 995.9%and 96.7%respectively, and both systems were operable.This is the first such80~05 occurrence with this s stem."A" filter will be char ed with charcoal meetin acce t-'Bance criteria per Technical Specifications before next startup.(Abnormal Occurrence 1006 50-244 75-08.80 7 8 9 PBME SYSTEM CAUSE COMPONENT CODE CODE COMPONENT CODE SUPPUER VIOLATION I007I~SC~E F I L T E R N A 2 2 0 7 8 9 10 11 12 17 43 47 CAUSE DESCRIPTION

[QDB]The system is isolated from air flow exce t for testin, so reduced molecular iodine COMPONENT MANUFACTURER 44 48 7 8 9 80 Qpg removal efficiency may be due to aging of the charcoal.The filters are AAP-105P-842835, ont.un er txona Factors METHOD OF DISCOVERY DISCOVERY DESCRIPTION b molecular iodine removal testing 44 45 46-80 7 89 FACILITY STATUS%POWER~oo o 7 8 9 10'2 13 FORM OF 7 8 9 10 11 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION

[<is)~0o o E 7 8 9 11 12 13 PERSONNEL INJURIES NUMBER DESCRIPTION

~<<~oo o 7 89 11 12 OTHER STATUS NA 80 LOCATION OF RELEASE AMOUNT OF ACTIVITY NA NA 80 44 45 NA 80 NA 80 OFFSITE CONSEQUENCES NA 7 8 9 80~10 installed in 1969.A Technical Specification change will be considered to replace the 7 8 9 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION

~16 P~7 89 10 PUBLICITY CG iodine removal efficiency to 90.0%methyl iodide removal efficiency.

um 7 89 ADDITIONAL FACTORS 18 Cause Description (cont'd.)surveillance acceptance criteria of 99.9%molecular 80 80 80 80 7 89 80 Charles E.Platt PHDNE, 7 1 6/546-2 700, ext.29 1-250 GPO 81II.66T<<

~~4 I~4 ROCHEXTERGAXAHS Ef ECYRIC."~)~~Ill%V~'CORPORATION::>>-

GF EAST AVEHUE,.RGC'flFSXEQ;,A.Y 1'464K TtLCt'es Obf.aeca-coat.sic 946 2200 Gi~Station, LprLX 9,.1975.Hr Dames;PRei11y Mrector.U S.Nueleam Regulato~:Camai;saxon:

.Region 1.631 ParR Ama...Mng.oZ Prussia Pa X9006:-I~Su&ject=ASnoansXi accurrerrce.

f75-0E.=~%re;"d'ost'ceid'ent:

Charcoal:, fil'tom.bank testee%9%.47.'kfi,cLeni fox: maXeculax iadine'b.-

snxytim The TachnicaX:

Speci ffcatf aa 35mht.Xs 9%97.Seaz'r O'RciZX~: Thea.f s.ta caxrEXrrn; my phone=.ca1.1.

to.Hr Paul XeXXog.this, morning te"report AbnoexaaI.

Occurrence

~3%5'-08;at Ginna Mation On FuxcTa 26...X975'e A.&E'Pant Acumen@'Charcoal ffXtee'systems" ware:.tested.fox.Zmon..filter efficiency and a snmpie af'harcaaX.

vm.removed.&cm each: hank and ansXyzed:.for moIecuXm trodi:ne reuada1:.ef Q.agency.~Paragraph 4%.2.3E of the Technical.

SpecifXcaCXons-ca1l fox ae efx=ciency of.99'L mcxXecuXar iodine..remove'".

Xafoancd'rat'fficatioxr of th';results.shee'he."A".'iltee bank.to}.be 99A7.eff2cxanh fox ecrIecuLar iadine;rataomX Thc.Ekevn" anK xo&na test uexe perfaenccL.

by..Hueless Consulting.

Service Ine oE Columbus.

EiT~re.Furtl'ver:

testiq, Xor@ethyl iaaMne.absarption eHxciency miXX.ba done f Vexy true yours Charles: F PXaCE.Superintend'ant CEP."CI xc'G, J., Ssrax'thout:

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