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| Line 44: |
Line 44: |
| Y | | Y |
| ~1 I'IC (ABE!eVA1r IY) (1)(2)f10) NATIONAL LAOS 1 P D W. PENNlfxrGTON, Brn E-201 GT OBOOI(HAVCF IVAT LAO | | ~1 I'IC (ABE!eVA1r IY) (1)(2)f10) NATIONAL LAOS 1 P D W. PENNlfxrGTON, Brn E-201 GT OBOOI(HAVCF IVAT LAO |
| ~1 NSIC (OUCIeANAN) 1 1 | | ~1 NSIC (OUCIeANAN) 1 1 1- ASI O 1 CONSUL CAiV1 S 1 G. ULRIKSOiV, OfeVL 1 hleivton Arirler."ori NL'LVihl/'eK/B I UVi E/AG OAOI AN 1 AGb,lED (BU1'l1 GUSSiMAiV) |
| | |
| 1- ASI O 1 CONSUL CAiV1 S 1 | |
| | |
| G. ULRIKSOiV, OfeVL 1 hleivton Arirler."ori NL'LVihl/'eK/B I UVi E/AG OAOI AN 1 AGb,lED (BU1'l1 GUSSiMAiV) | |
| ,m~- hefts s!:l".i' Llc AssT fern 0.127 GT | | ,m~- hefts s!:l".i' Llc AssT fern 0.127 GT |
| . J. D. BUNKLL-S, Bm E 201 0/ILY YE?I l)AY I'SPORTS 1 GT | | . J. D. BUNKLL-S, Bm E 201 0/ILY YE?I l)AY I'SPORTS 1 GT |
| Line 59: |
Line 55: |
| ROCHESTER GAS AND ELECTRIC CORPORATION 0 89 EAST AVENUE, ROCHESTER, N.Y. 14649 LEON D. WHITE. JR. TK(.KPNONK VICE PRKSIDKNT ARKA COOK 7ld 546-2700 | | ROCHESTER GAS AND ELECTRIC CORPORATION 0 89 EAST AVENUE, ROCHESTER, N.Y. 14649 LEON D. WHITE. JR. TK(.KPNONK VICE PRKSIDKNT ARKA COOK 7ld 546-2700 |
| ~Apri:1 1-7-, 1975 b, | | ~Apri:1 1-7-, 1975 b, |
| " "
| |
| eJJJJJe . | | eJJJJJe . |
| 0 @Q Mr. James P. O'Reilly, Director S. Nuclear Regulatory Commis 'on | | 0 @Q Mr. James P. O'Reilly, Director S. Nuclear Regulatory Commis 'on |
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[Table view] |
Text
\
NBC DIS~~IBUlloN FOR PnfeT 50 DOCKET f~",TERIAL
{TEMPORARY FORivl)
OONTROL No:
F}LF IHCI1)i'.1P'EPORT FILE
~
FROM: Rochester & Electric Co. DATE OF DOC DATE R EC'D LTH BPT, OTHER Roches ter, .N.Y. 4-17-75 5~1 75 XX O.R I G CC OTHER SFNT AEC PDR James P. O'Reilly 1 Signed SFNT LOCAL PDR C~~SS UiVC LASS PROP INFO INPUT NO CYS REC'D DOCKET NO:
XXXX 1 50-244 DESCRIPTION: ENCLOSURES:
Ltr. trans the following.... Abnorm. Occurr. 8 75-'08, on 4-,8+5, concerning Molecular Iodine Removal Tes,ting.......','qlLJS
()"g-RE Ginna 8 1 I'OR ACTION/IlsFORMATION BUTLER (L) SCHWENCER (L) ZIEiViAIIN(L) RFGAN (E)
W/ Copies W/ Copies W/ Copies W/ Copies IIELD Cl ARK (L) STOI.Z (L) DICKER (F.) LEAR (L)
)V/ Conies hV/ Copies Yir/ Conies W/ Copies t'I'slh A ti V Hba/Er I V iL ) KNIGHTOi'u (I".) SPELS
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W/ Copies / ~W/ Copies W/ Copies W/ Copies Ilier I ERNAI DISTRIBUTION AH.. TECI.I BFVIEW DFNTON LIC ASST A/T .
C I'DR ~SCHfeOEDER ~'Q R I fvlES B. DIGGS (L) . B BA ITfiiAiV OGC, ROOfvi I -JQGA YVrACCARY GAfvliViI LL Ie. GEABIN {L) SA LTZ i'll AiV GOSSI CK/STAI'F KNIGHT KAS I IIIER E. GOULBOUBNF (L) MELCZ CASE PAWLICK I OALLARD P. K B E UT7 E ie (E)
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~1 NSIC (OUCIeANAN) 1 1 1- ASI O 1 CONSUL CAiV1 S 1 G. ULRIKSOiV, OfeVL 1 hleivton Arirler."ori NL'LVihl/'eK/B I UVi E/AG OAOI AN 1 AGb,lED (BU1'l1 GUSSiMAiV)
,m~- hefts s!:l".i' Llc AssT fern 0.127 GT
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ROCHESTER GAS AND ELECTRIC CORPORATION 0 89 EAST AVENUE, ROCHESTER, N.Y. 14649 LEON D. WHITE. JR. TK(.KPNONK VICE PRKSIDKNT ARKA COOK 7ld 546-2700
~Apri:1 1-7-, 1975 b,
eJJJJJe .
0 @Q Mr. James P. O'Reilly, Director S. Nuclear Regulatory Commis 'on
+4'.
Office of Inspection and Enforcem P$
Region I 631 Park Avenue
+If';W King of Prussia, Pennsylvania 19406
Subject:
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 enclosed.
Very truly yours, L. D. White, Jr,.>>
Attachment cc: Mr. Donald P. Knuth (40)
l
~ LICENSEE EVENT REPOR ~
CONTROL BLOCK: (PLEASE PRINT ALL REQIJIRED INFORMATION)
LICENSEE LICENSE EVENT NAME LICENSE NUMBER TYPE TYPE Ioag N Y R E G 1 0 0 0 0 0 0 0 0 0 4 1 1 1 1 ~01 7 89 14 15 26 30 31 32 REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER . EVENT DATE REPORT DATE
[001]cONT ~MI T L 0 5 0 0 2 4 4 0 4 0 8 7 5 0 4 1 7 7 5 7 8 57 58 59 60 61 68 69 74 75 80 EVENT DESCRIPTION
[oO~) During refueling shutdown the post accident filters charcoal samples showed "A" filter 7 8 9 80
[QD3] charcoal molecular iodine removal efficienc of 99. 4%, while for "B", above the 7 89 80 Qo74 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
[oDs] occurrence with this s stem. "A" filter will be char ed with charcoal meetin acce t-8 Bance criteria per Technical Specifications before next startup. (Abnormal Occurrence
[os 50-244 75-08.
7 8 9 PAME 80 SYSTEM CAUSE COMPONENT COMPONENT CODE CODE COMPONENT CODE SUPPUER MANUFACTURER VGIATION gP8 9~BC E F 1 L T E R ~N A 2 2 0 Y 7 10 11 12 17 43 44 47 48 CAUSE DESCRIPTION
[oas] The s stem is isolated from air flow exce t for testin, so reduced molecular iodine 7 8 9 80
[pgg) removal efficiency may be due to aging of the charcoal. Tim filters are AAF-105P-842835, 7 8 9 80
~10 installed in 1969. A Technical Specification change will be considered to replace the 7 89 ont . un er t ona Factors 80 FACIUTY METHOD OF STATUS % POWER OTHER STATUS DISCOVERY DISCOVERY DESCRIPTION
~N ~oo o '~g NA b molecul'ar iodine removal testing 7 8 9 10 12 13 44 45 46 80 FORM OF 9'0 ACTIVITY COATENT RELEASEO OF RELEASE AMOUNT OF ACTIVITY LOCATION OF RELEASE 2 Pi H NA NA 7 8 11 44 45 80 PERSONNEL EXPOSURES NUMBER TYPE DESCRIPTION
[<is] ~00 0 E NA 7 8 9 11 12'3 80 PERSONNEL INJURIES NUMBER DESCRIPTION
~4 ~oo 0 NA 7 8 9 11 12 80 OFFSITE CONSEQUENCES NA 7 89 80 LOSS OR DAMAGE TO FACILITY TYPE DESCRIPTION
~16 NA 7 89 10 80 PUBLICITY NA 7 89 80 ADDITIONAL FACTORS Q1g Cause Description (cont'd. ) surveillance acceptance criteria of 99. 9% molecular 7 89 80 Q>g iodine removal efficiency to 90.0% methyl iodide removal efficiency.
7 89 80 Charles E. Platt pgDNE, 7 16/546-2700, ext. 29 1-250 GPO 881 ~ 667
- ~
il Lf. p 4' ~ 1gpg
