ML19270H543

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Forwards Info Re Matl/Byproduct License 37-07855-02,in Response to 711130 Request.Gpu 710930 Ltr to Met Ed Forwarding Draft Application for Matl/Byproduct License Encl
ML19270H543
Person / Time
Site: Three Mile Island Constellation icon.png
Issue date: 02/29/1972
From: John Miller
METROPOLITAN EDISON CO.
To: Brinkman R
US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML19270H523 List:
References
NUDOCS 7911040179
Download: ML19270H543 (8)


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m.,, m ,=,m nf METROPOLITAN EDISON COMPANY suosicianvorcenenat eunucuriuritsconronano.v POST OFFICE BOX 400 MIDDLETOWN. PENNSYLVANIA 17057 TELEPHONE 717-944 4041 s rebruary 29, 1972 United States Atomic Energy Comniccion -

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Attn: Robert E. Brinknan D**]D g3

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3 l'atcrials Branch .

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Uachington, D.C. 20545 Ref. Byproduct !!aterial Licence .

!!o . 37-07855-02 Centlenen:

Encloccd i:: Inforr.ation which you recucated in your letter of !:ovember 30, 1971.

A. Descriptien of the crea in uhich the courecc will be used.

137 Cs sourccc and the 5 curic An3e neutm.

1. The 100 millicurie and 50 curic cource uill be ctered in the cource ctorarp caa,e located in the Feat Exchanger Vault (ccc enclosure 1), clevation 271'-O" in tl:e Ti. rec :.lc Icland '!uclear Tacility, Unit #1. Thic mult in underground cnd accccc to the arca will 1.c controlled during cource handling. The vault in situated on bedrock which makes accccc to the arca beneath the vault .

inpossible. The :: orth, South and Ucst c.oncrete valla of the !!ca:

Exchanger Vault are 3 1/2 ft. thick. The external facca of thece vall::

arc enrth bachfilled. The arca Cact of the cource storanc cage cer t ic of 50 ft. of air dictance between the storage cago and the 3 ft. ccncrete cact wall of t!.c vault. The external cide of the Eant Unll i:, au ccer.c to the 231' level of the f.uxiliary Cuildinc uhich in in the radiaticr centro] led area of the plant. Padiation levels , in the port c.n i cf t? ^

Auxiliarv Euildinc ubich in adjacent 'to the Eaut Uall of the ;!"at Exchanger Vault, will he well hc]cu the radiation linits of 10CPr%

fer an l'nrer.tricted Ar^a. The area above the !! cat Exchanger */.rd t i.

at ground eleva'. ion. The dir.tence of overhoad air in the vault in N r.

There ir, a r. ft. cer. crete roof over the Feat Exchanger Vault. Tho radiatien level al nve t!.e Enat Exchangar Vault Poof and in the :: ort'-. ,

Sout h, Eact and '.lort directionn vill be cell belou 10CP7'n requ . : . . .t for .ut lire trO:1.'d Arca. Calculatie:t: *

.'icatc do..e rate,ou'"'<< -1 e lic it i:xclnnr.er Vr."! t will l e < 0.01 " ' ':/br. *during. nource u: e  !>

the Me.it i:xch:n" or Pault Area. f:ce enclo:atre 1 for riant ]nve"t.

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Thecc items will be used and ntored in the Environnental !al oratory during construction and in the lfcalth I'hycic Iab once the plant is -

operational. Both these arca: are located at the Three "ile I: land lluelcar Site. Uithin the Environnental Laboratery and the 1:calth -

Physics Laboratory the above cources uill be locked in an appropriato chielded container. When these cources are used the technicians will wear film badccs or TLD's.

D. Evaluation of external radiation in unrestricted arca cutside of rocn(s) or area (s) where courccc are being used.

1. All external radiation doce rates will be below the 10CFR?O limits required for unrestricted areas. In addition, radiation curveys will be made during source usage to ensure these limit are cdhered to.

C. Description of the procedure: for setting up instruments , ' activating the calibrator and readinr, instruments. ,

1. General - In all cases where radioactive cources are used, proper Radiation Protection Technic.ucs uill be folloucd. Film Ecdcco er TI.D Do:inctry will be worn by all personnel in the cource unnt:e area. In additicn, an area conitor with an audib]c alarm vill be 1ccated in the area where the courccc are bei,ng uced. All sourca handlina areas will be narked and posted in accordance with the applicabic pcrtienc of 10CTR20.

2.. Procedure for the use of the Podel 6C2 Instrument Calibrator cnd the associated 50 curie 137Cs cource.

A. The Tech /Opc 682 Instrueent Calibrator is a high intencity Canna Ray Calibrater. This calibrator clininates the need for specially shicided rooms or tunnels which ucre previoucly used fcr curvey .

meter calibrations. Cperator safety was the. objective in the decirn of the l'odel 082 Calibrator. The radiation level ac " e "odel 002 cxterior during calibration does not execed 10 ::r/lir. 'hnn the ..

cource in stored, the exterior radiation le' :1 docc not exceed

~~-'- 3 !!r/lir. A ncchanical interlock attached directly to the icided cource

.;.cn

. prevents accidental expecure by incuring t!.e cource r, the instrument to be calibrated in placed in the cal-. :ecer.

! Procedure: (ccc enclocure (!2)

1. Open the top accccc door. This provides acm. ..a to the Exposure Chadber.
2. Deternine the desired radiation IcVel and *: me the attenuator holder and corruct nuh cf at , r:, ia t! e collinating port. Place t.ie curvey t. .cr o unocu~

chauber, center the curvey . eter deter.tcr r.e cxnecto radiation Scan and on the rcTerence 'cac.

3. Clocc the accer" door. UnIcck tl.' n rce ' '

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4. 2aice the cource handic to its full uruard ponition to expoco the nource. Chech that the curvey ncter ir.-licatien natchoc the predeternined radiation icycl. If a noter adjustncnt in neccccary or a second ceter point in to be '

chec\cd, puch the cource handle to the full dov ausin!

position. Slide open the accccc door. Make t.a necessary adjuntncnts and repeat ctcpc 3 and 4

5. After une, incert the cource and lock the cource withdraw handic and renovo the calibrated instrunent.
3. Victorcen Inntrunent Model 04-7C4 Calibrator and the associated 100 nillicuric 137 Cc source.

A. This inctrument calibrator includec.a procct ticor which limits the sourecc' expocure period to (1 - GO ninutcc). At the expiration of the colected period, the cource automatically dropc to its cafe storage position. Therefore the source cannot remain exposed accidently after an instrunent has been calibrated. In .the fully "ntored" cource position, radiation at the containers' nurface ic lecc than C0 I'r/Hr. at ' dictance of C" away it in 1ccc than 13 "r/::r.

The 103 nillicurio 37 C: cource vill remain tithin the 04-?r.n cal". mter ubich will le ntored incido a lead centainer uithin the locked care in the Heat Exchanger Vault. Uri] icing thin storage technique, radiation levels outside the locked cage will aluays be lecs than 2 1:r/Hr.

Trocedure: (see enclosure (!3)

1. Place the Victoreen l'odel 64-764 Instrument Calibrator en

_ one end of the Calibration Tabic located in the Heat Exchanger Vault. .

2. Locate the instrunent to be calibrated at the preper distance (using, inverse nouarc law) for the exact radiation level desired. '
3. Expecc the 100 nillicuric 137Cc cource and read the instra cnc deflection. t j 4. Insert the source within the calibrator and if ti.c instru 7:

does not respond properly adjust the instrunent and repeat steps 4 and 5.

5. On completion of the calibration, incert the cource within the calibrator.

G. Innert the calibrator containinP,tbc 100 nillicurie 137cn cource within the lead container in the cage and leck the cage docr.

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4. lionsanto Fe:,carch Corporation 5 curie AnBe 1:cutron Cource. ItEC capsule ,

Series I,*2720.

A. This source will be shipped and stored in a 30 gallon paraffin chielded steel drum which ncets all D.O.T. Regulations. In additien to stcring the cource within the above container, the container will be further chicided with poly bricks to insure that radiation levels will be 1ccc than 2 !:RE"/hr. at the edge of the source storage cage.

Procedure: (sce enclosurc #4)

1. Insurc 'all personnel in the area are ucaring Neutron Film Badges.
2. Locate the instrument to be calibrated at the calculated distance from the intended cource position on the table.

The calculated distance will be haced on desired neutron flux levels at the instrunent. ,

3. Insure proper poly shiciding blocks are placed on the table to provide 270o shielding of the neutron source during calibration.
4. Place the I:ensanto 5 curie AmBc Neutron Source within the poly blocks at the end of the calibration tabic using proper

. handling tools, s'

5. Ecad the instrument deflection.

G. If the instrument meter does not respond according to the calculated flux level provySc appropriate poly chiciding around the cource and adjust the instrument being calibrated.

Remove the shielding and expose the source arain to the instrunent. If the meter again does not respond to the calculated reading, check the flux level calculations and rcpeat steps 5 and 6.

7. Peplace the cource in the storage container. Inntall the storanc container within the poly shield inside the Source Storage Cage and lock the cage door.

D. Provisions for controlling accces to areas or rooms where cources arc Scing used.

1.  !! cat Exchanger Vault, clovation 271'-0". When.cources are used in this area the one and only access passageway will be barricaded and crpropri-ately posted according to 10CTR20. All personnel en the !! cat Exchaar.or Vault side of the barricade will be required to wear the proper r.cnitcrinc devices.
2. Environnental haboratory. The cources uced here are of very 30.: acti,itv (nicro curie r.-:c.c). To innure cor plinnee uith 10Crn20 the follcuina precautions will b: t a'r. c n .
a. Th< door to t'. e lat :il) .- imined a.: .i i:adio v t ;ve ::cc m. -

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b. All personnel in the lab, when the sources are renoved from the shicided container, will wear film badges or ThD personnel monitoring devicca.
c. All sources will be periodically tested for leakage in accordance with the Byproduct Material Licence and 10CTR31.
d. All sources, when not in use, will be stored in an appropriately shicided and locked container,
e. DanaCed er no lenger usabic sources will be stored and disposed of in accordince with 10CTR20 and appro' p riate D.O.T. regulations.

E. In reply to your ree.uest for safety evaluations on the sources. I am submitting the following information: .

1. The 50 curic 137Cr Source associated with the Technical Operations High .

Range Instrument Calibrator Model 682. Contact with this company reveals that they have submitted safety reports to the AEC and are awaiting your reply. On contacting Tech / Cps Inc. , Mr. Fobert Prest stated that the safety evaluation data package was sent to the AEC on Novonber 24, 1971, and that Fr. Jack Ecll of the ACC is presently reviewing the evaluation.

2. The 10 nillicurio 137Cs Source associated with the Victorcen Instrur. cat calibrator Model E4-764 The source and calibrator were previously safety evaluated in accordance with AEC requirencnts for the ECN Corp.,

175 , Pearl St., Brooklyn, N. Y. (Model 04-7E4).

3. Regarding the 5 curic AmBe Ucutron Source, the Monsanto P.cscarch Corporation has several byproduct safety evaluations under their Model Nunber MPC, Series f2720. Additional information regarding this source is supplied in attachment #4. ,

Sincerely,

. John C. Miller Vice President D:lb  !

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%.,.... 260 Cherry Hill Road Parsippany, Mcw Jersey 07054/201 539-7833 h .

. . . . , ~ . - ..... ..---a.-- . . " ~ . - - - - - - s September 30, 1971 S&L-724 TO: Mr. J. G. Miller

SUBJECT:

THREE MILE ISLAND BYPRODUCT MATERIAL LICENSE Enclosed for your signature is an Application for a Byproduct Material License (Form AEC-313). This application was prepared by the plant staf f and has been reviewed in this office.

A Byproduct Material License is required at this time so that the various radioactive sources required for calibration of various radiation detection instruments can be obtained. At the time that the Operating License is issued for Three Mile Island, the Byproduct Material License vill be cancelled and the authority maintaining these sources vill be included in the Operating License.

After you have signed the application, please return it to this office and we will take care of the submission to the AEC, -

x (t/ W J. R. Thorpe Safety and Licensing Manager JRT:mw Enclosure Copy to: Dr. S. Bartnoff Mr. J. L. Wise 7 7

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. UNITED STATES AToulC ENIPGY COMMI. ,N F m.AfC .s 313 ,- . s sa cr so APPllCATION FOR BYPRODUCT t.MTEP.lAL LICENSE ~: N- "-e INSTRUCTONS.-Coraplete items 1 through t o if this is on irmtial opplicot.oa or en coptication for seae-of of a I. cease. lafo.=ce ea cea a -ed -

prenova opphcohons filed with th. Comm.ssoa with respect to items 8 throvsh 15 may b. incorporoved by reference prov.ded re'vences e,e c.w ere '

s pec#c. Us. supplemental sheets where net.asary. Item 16 #avst be comple'ed oa oil applecctions. Mbel two cop.es to. U.5. Ar.m.c Eneegy Ce mission, Wash.ag'ea. D.C., 2054 5, ArteMica: Isotopes Broach, D wsion of Mo'eriots teceasing. Upon oppro.of of th.s copi.cet on, the cepl.cea+ 1 rec.ive sa AEC frproduct Morenol License. An AEC Byproduct Mo'er ol Licease is issued in occordance .th the general reov.reme, irs coato.a.d ri Tetle 10, Code of federal Regulations, Port 30, and the L.cens.e es sub i ece to Title 10, Code of Federal Regulot.ons, Port 20.

t I. (.) N AME AND STREf 7 ADD 8155 of APPLtC ANT. e v.r e.e.

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Metropolitan Edicon Company Metropolitan Edicon Comparc,*  !

2800 Potteville Pike Throc Mile Island Nuclear Station  !

P. O. Bor 542 U. S. Route ro. 441 1 Reading, Pa. 19605 3 mi. Scuth of Middlotcun, Pa. 17057

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Kenneth H. Frederick, Chemict;y Supervicor Richard S. Deakin, Radiation Protection i Richard S. Deakin, Radiation Protection Supervi::cr i Supervicor i e f.) 6f PRODUCT mattet At ill. as. (b) CHEMICAt ANO, Ca physic AL roam AND M AIIMUM NUM$1R OF MttlCURl($ CF f ACM [M{aA' cat AND C 4 8=%.

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a-t.. , -e . ., .. m. a . .-- m e. . , ,.. . ,, ,e ; i A. Arty by-product A. Any and all chemical and physical forme up to ICO milli-  !

material between curies of each element - up to 500 millicuries tctal cf Atomic No. 1 and all by product material. -

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Victoreen Instrument Div. - Cc.r.ma Survey Instru .ent i Calibrator No.64-764.

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