ML19262A209

Forwards Revised Pages 3 & 4 to Nonroutine 10-Day Rept 75-02

ML19262A209
Person / Time
Site:	Crane
Issue date:	07/10/1975
From:	Arnold R METROPOLITAN EDISON CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE), Office of Nuclear Reactor Regulation
References
GQL-1252, NUDOCS 7910260551
Download: ML19262A209 (4)

Text

NRC STRIBUTION FOR PART 50 DOCK' M ATE RI AL (TEMPORARY FORM)

CONTROL NO: # 27 FILE: INCIDE!E REPORT FIl FROM: Metrcp litan Edison Co.

DATE OF DOC DATE REC'D LTR TWX RPT OTHFA Reading, Pa o c Arncid 7-10-75 7-15-75

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I TO: Director, Divisica of ORIG CC OTHER SENT AEC PDR

'C N Reac~ r Licensing 1 signed SENT LOCAL PDR

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CLASS UNCLASS PROPINFO INPUT NO CYS REC'D DOCKET NO:

CC 1

50-289 DESCRIPTION:

ENCLOSURES:

Ltr trans the following:

Revised pages 3 and h to replac.-

page 3 which was determined to te in error o.

their Noarcutine 10-Day Report 75-C2.

1 copy enc 1 rec 'd PLANT NAME: Three Mile Island 4 1 FOR ACTION /INFORMATION wtm 7-??-75 BUTLER (L)

SCHWENCER (L) ZIEMANN (L)

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W/ Copics W/ Copies W/ Copies W/ Copies CLARK (L)

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W/ Copics W/ Copics W/ Copics W/ Copies INTERNAL DISTRIBUTION QrEG FILE )

TECH REVIEW DENTON LIC ASST A/T IND,

NHC Nn SCHROEDER _ yGRIMES R. DIGGS (L)

BRAITMAN

,,OG C, R OO'.; P 506A #AACCARY GAMMILL H. GEARIN (L)

SA LTZM AN GDSSICK/ST AF F KNIGHT KASTNER E. GOULSOURNE (L)

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BALLARD P. KREUTZER (E)

,f GIAMBUSSO SHAO SPANG LE R J. LEE (L)

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CHAPMAN DEYOUNG (L)

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IPPO LITO KNIGHTON M. SL ATER (E)

PETERSON P. CO L LINS

/TEDESCO YOUNGBLOrJ H. SMITH (L)

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.~_727J w-METROPOLITAN EDISON COMPANY

1. CCr CFFICE BOX 542 A EADING. PENNSY LV ANI A 196C3 TELEPHONE 215 - 929 2601 July 10,1975 GQL 1252 Director Divisica of Reactor Licensing U.S. Nuclear Regulatcry Cc=rission Washington, D.C.

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Directcr Office of Inspection and Enforcement

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U.S. Nuclear Regulator-y Cermissicn 4

Washington, D.C.

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Dear Sirs:

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Docket 30 5C-289 Operating License NO. DPR-50 In accordance with Section 6.7 2.a.2 of the Technical Specifications for cur Three Mile Island Nuclear Station Unit I and 10CFR20.LC5, we submitted Ncnrcutine 10-Day Report 75-02.

We have determined that the criginal repcrt was in error, therefore we are submitting revised pages 3 and h to replace page 3 of the original report.

The centent of the criginal report is not changed by these replacement pages. The revised pages have only been prepared so that the information required is stated in a separate part of the report as required by 1CCFR20.h05b.

Please destrcy page 3 cf cur original repcrt and insert the revised pages 3 and L enc 1csed.

Sincerely, h IS R. C. J.rnold Vice. resident RCA:CWS:ilm cc: Office of Inspection and F.nforcement, Regicn 1 Ms. Margaret Reilly (Fa ORR) h[

Attachnent r.e., e. e 0.,. _ / e. 7. 3., m. _-

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1482 246

Personnel Epusure Data (10CFP20.405)

S tation personnel involved in the incidents were two individuals during the first release and one person during the second release. The first two individuals were auxiliary operators who entered the evaporator cubicle to close the isolation valve on the evaporator. Their total time with1; the cubicle was approximately 1 ninute. Based on a calculated maxi =um 3

concentration of 1.44 x 10 pC1/cc and a restricted area MFC of 9.7 x 10-D pCi/cc (Xe-133 95; Xe-135 5%)

the allowed stay-ti=e for these individuals is 1.62 minutes. The individual involved in the second incident was in the evaporator cubicle for a maximum of 15 ninutes.

Based on a calcugated =axi=um concentration of 1.37 x 10-3 pC1/cc and an MFC of 9.7 x 10~ AC1/ce, the allowed stay-time for this individual is 17 minutes. The TLDs worn by the three individuals were evaluated with results showing all Beta exposures to be less than minimum detectable exposure (40 c:R) and all ga=ma exposures les.= than 35 mR.

However, it is believed that the ga=ma exposures are due to other maintenance and in-spections during the month rather than due to the releases. Since much of the exposure can be accounted for by previous assign =ents and as Xe-133 exposures show as beta exposures due to the energy and no beta was detected, it is believed that no additional significant exposures resulted from the Lucident.

1482 247 9

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-a-4 Fersonnel Involved (1CCFR20.LO5b)

First Social Birth Estimate Release Security No.

rate of Ex;csure Theodcre J. Illjes 130-3k-6257 6-22 h3 Zerc; exposure en TLD accounted for by other activities that period Harold 'd. Hartman IT5 hC-5292 9-12 LS Zero; exposure en TLD acccunted for by other activities that period Second Release Earl D. Shcwalter 219-52-1173 2-5-51 TLD read 35 =R for ga==a cf which all but ik mR can be accounted for prior to the day of the event.

It is believed that zero exposure resulted from the event.

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