ML20128C603

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Trip Rept of 720313-15 Visit to Util to Discuss & Witness N-16 Gamma Dose Measurements Performed by Environ Analysts,Inc of Garden City,Ny
ML20128C603
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 03/30/1972
From: Marotta C
US ATOMIC ENERGY COMMISSION (AEC)
To: Benaroya V
US ATOMIC ENERGY COMMISSION (AEC)
References
NUDOCS 9212040483
Download: ML20128C603 (2)


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l 151F NEPORT ON Vis1T to NONf1CEi&D FRANT Pts Nela saAWWESENTS 1

l Introdystica and teemary r

the writer visited the Monticelle Pseer Plaat sa March 13,14 and 15 to discuss and witness the N-16 games does messeraments performed by Enviremmental Analysts, Ime. (EAI) of gardes City, New York, coe-tracted by Northern Feuer states for this purpose.

With the reacter operating at 97% full power, and the stock discharg-Les apprestimately 20,000 pact per sec, sheet 85 testsetten chasher (IC),

and 6 field. gamma spectrometer (as) memeurements were made la the soev eevoted envir=====e of the ette. A genere1 idos of the measurement leastions are given la attached figeres 2 and 3.

Analysis and trestment of data vill tehe sees time. This involves converstem of anys of the feelsetien dador readies to je/br, 1stegrettee of digital reeerdad spoetre from the gamme spectrometer, evaluaties of pluso and hoekground aestributises emely.is and checktes of on-lias data from the eentrol reen en reacter power, roleses rates from the steek and meterologieel strip date se a fumettaa of time.

A final report giviag resulte of the measuremsets will be issued by EA1 la abent ses meath and Mr. Nel Opeted of NFS oungeste se formally request a sepy by writtag to ter. Ime Nryer, Direeter, bestear tapport serviees, Mrs: 414 Nisellet Nell Miamespelte Miemmeste 35431.

Detsiis of the Mnseuremesas on Wendey, March 13,1972 et 8:30 a.m., I not with ter. Nel opeted (NPS) d e coordiasted the measurement project s teh tecluded esper-visteg the serveylag teias de Isid out the liener distances radially from the turbine betidies at skish esseurements were taken.

These engaged in the aseaserement project wors penvasurism m - %

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Dr. Moss Van Pelt (in sharge) ter. Fred Fey (part-time)

Mr. Janne itsesy Mr. Een Fieteek Mr. Nel Opetod omer

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'nse types of assenrements were modes aboet SS notes en tenisetten ebenhor M 6 meias a Bat aryotel geeses opoetrometer.

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The sensitive 1.C. esmeisted of asteret ergen ges preneurteed La e eteel sphere N10" dren. Ibis taedrument momefestuesd by teatere.

stekee ses operate weer the reage of 1 g/hr to senrel ar/br.

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stase tenisettes shadore de met dieerimiaste energies, the mesenrod does rete is a seaposite of assurel beehground. isttaut, possible r

redweete systems, the plume sad the s.14 eentributions, and hemse j

3 een be coseinered a total nemismo reading et the pe&at. No trouble I

was expertemacd with toetswanes deries the SS assecamente.

The field spectrometer eenstated of a 4" by 4" cylindrical Nat cryetet end appropriate phete emittplier tube, these were sesendited os a triped in the emew and by cablies, connected to a 128 amiti cheesel analyser, digital typewriter and eethode rey display tub 4 -

the latter three were sesembled la the rear of a otettee wegen.

Feuer for all instrumastation come from the stettee wagon's bettery -

i necessitettes ruumies the car coatteuseely. The spectrometer worked beautifully the first day - the N-16, both the 6.13 Mer med the 7.11 l

Nov pipe were clearly visible en the scope. Dafortmetely, it did i

met went et all the next day. The seees of the tremble wee not discovered.

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A resume of the meseuremente are gives in Table I.

Figurse 1, 2 and 3 give reagh ladisettees of posittens of dose potete.

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an R /W Charles R. Merotta, site Amelyst 4

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