ML19308A512
| ML19308A512 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 10/11/1974 |
| From: | Herbein J METROPOLITAN EDISON CO. |
| To: | |
| References | |
| NUDOCS 7910250747 | |
| Download: ML19308A512 (2) | |
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"ETDC?DLii?N EDISCN CC.'.'P.\\NY sv swimorcentanevaucununcscvNronsncs
)ST OFFICE DOX 400 MIDDLETOWN. PENNSYLVANIA 17037 '
TELEPHONE 717-c44-4041 c
Octcher'.ll,1974 fir. J.P. O'r.cilly, Director D
D' Directorate Of P.2culatorf P.egica I oW 631 Par % f.vance 9g i"
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King Of Prussia, Pa.
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Operating License DPP.-50 A Docket 50-2CT
Subject:
Inadvertant release of radioactiva catorial at Tl!I.
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Dear I:
- r. O'Ibilly:
This telegra.wis to confir:: the telecca.batneen Lee Spessard'(E gien I-AECT, and J.G. lierbein-(Station: Superintendent) at IC00. hours 10 Octcher 1974.
On Octch r 9 510,1974, an in::dvertant releasecof radioactive esterial occurred over a. tir.:rpericd of 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> and 33"cinut:3..
f.nalysis of radictica.. effle:nt canitor recorder charts and leckl air samples indiccta the radio::ctive caterfalt rolcased uas prcCainately Xel33; and that the instcntan cus cable gr.s release rato es 2.92 x IGT t3/::cc., which is bolca the technical specification limit of 1.2 x 103 a3/sec. The averace rolesse rate over the 2 hour2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> cr,d ':0 minuta ocric4 of this rolcase was.l.37 x 104 c3/sec. with a total release of nobic chs of 36.6 curies.
Operating parsennel in the auxilicry building ware 1: adiately evacuated and tonitorir.3 indicated no ccatacination.
The c=ct cause of the ir,sdrartant rcdio:ctiva catcrial rale:sc has not been detar. ined at this tica. A sp'cial cectir.g t:as held by key separvisory personnel at *itil and a cc prchensiva propr.u uns. cst blish2d to covar additic.al radiction. :nitoring requircn2nts, speciiic ifcaith Physics pr.cticas to tc folle::d, sp:cial cparaticnal ranitoring requirc :nts cnd indivifual responsibilities and caning r:quircants for all evoluucn3 in.the i.:I P.cdd!asto facility.
791025 7
This ir.:ident r.ay have caused the relaa:;e of radio:ictive cataricLs in con 9ca W traticas report:ble un:'cr paragr.:ph 20.Q3 (b) (2) cT ICOTP.20. This aspect of O
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the ir.cid:nt will be cddressed in our 10 du Monroutfr.e Report (4.
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Very Truly yours, l
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i J.G. Herbein.
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