ML19326D503

Confirms 700525 & 26 Discussions in Bethesda,Md Re Purchase & Use of Secondary Steam from Nuclear Reactor.Discusses Delivery,Use & Possible Leakage of Secondary Steam from Facility

ML19326D503
Person / Time
Site:	Midland
Issue date:	05/28/1970
From:	Bossher H DOW CHEMICAL CO.
To:	Price H US ATOMIC ENERGY COMMISSION (AEC)
References
NUDOCS 8006110599
Download: ML19326D503 (5)

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4 THE DOW- C H E M I C A L COMPANY

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Cct tir'1 nt; our discresf ons in M '.i.c a.ie on Mc :d .v n'i.1 Tue s ' -

(14 , 25 cnd 26, with Dr. P.cct, Ma s s c.e . :'cnn, p.gers , c,nd J mairgh , - rnd others o f you' staff, rel,.to,e to I:ov's pureb.uc and u 1 or a c c or.; ry sin a from a nuclear reactor, it is cur in Nnt to cra.i.),i,;t:i : N pm-viviens factory to c,fthe thisA.C.C.

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} s :'t'. dl l THIS DOCUMENT CONTAINS .'

POOR QUAUTY PAGES # 6 yh-

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A e Mr. liarold Price 11ay 28,1970 A large percentaga of the processes are inherantly so. sensitive to the presence of water that very small steam leaks vill be detected by normal precess nonitocing dcvices or rcutine quclity mencurcrents on the product.

For those processes whare stea:a lecks are not scif-evident, other acchods of testing may be used, such as (1) Periodic testing of the heat exchange device for Icahs, or (2) rcriodic testing of procecs interruodintes, procena vastes, or products. Statistical sampling methods will be used for such periodic testing. The number of heat exchange devican makeo continuous cn-line monitors for 3esha in each individual unit impracticabic.

Of the condensate from th? cecondary steam, up to 1,500,0C0 lbs. por hour will not be returned to the nuclear steam supply system as feedwater and will be disposed of through the Lav vaste treatment syr ca.

The reasons for this condensate not being returned are due to its bn-coming contaminated with chemicals from such sources as steam jets for producing vacuum and to the impracticability of a colicction systen to recover the cendensate from every use point. The unraturned condensate flows into sewers to the Dow waste treat =cnt cystem. The volume of liouid effluent from the wastc treatment syste:u is such thct the con-densate will be diluted approximately ten times.

P,ecause much of the unrcturned condensate is contcminated by chemicals btfore reaching the wasta system, tha effluent fnom the waste sy.nea contalus such a high icvc1 of solids, and the large volume of flow, en ion exchange system for removal of radionuclidsa is impracticabla.

This effluent will comply with regulations of the Michigan Water Re-sources Co. mission.

Action:

Dus utl' apply fer a Part 30 specific 1.icense to receive, possa.s, and use secondary ste am os r. corr:a of thn w! nr .cchanical ca:rgy _.cr the nuelcar steam supply system of the Censumers Power Company Midland Nucicar Fover Plout in accordance uith the f011cwing conditions:

I. Ho secondary steam or its condcasate *:111 Le intenticantly in-troduced into cny product unlers a pacific license or exemp'_ ion is obtained for such introduction.

II. The isclation of cocondary stenn from protects will be assured by use of heat exch:nge devi:es which will provide a suitable

. physical horrier betecer. the secoc.dary steam and the proiJ cc.

III. An administrctive preg. c.a rill be e;tablished to provide for detection of i m s 10 de h n t cuchange devices, rcpair M inchs khCR detected *'" T> D T d il t C a -

*IIstrat1/e !"Itro' Of Id 2 program.

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• . .. , . O r Mr. liarold Price May 28, 1970 A. Detection of icoks uill be accomplished by such mecus as:

1. Observance of processes where Icaks are scif-evident due to effect of precence of small quantitics of water,

2. Testivg heat exchaage devices foe lechs on a sectinti-cal samplias basis.

3. Other tests on a statistical sampling basis.

B. Leaks will be repaired prouptly after detaction.

C. The adminierrat.iva prn; rem vil? 'ncluda:

1. Direct oparc ting cupervisory responsibility for observ-ing or testing for Icaks.

2 Coordination and surveillance of the program by a Quality Assurance Group. ,

3., Auditing by personnel trained in the Ticids of rrlio-chemistry and health physics.

4. Maintenance of appropriate r2cordt of activitics carried ,

out in the program.

5. l'ariodic auditing of the program by :canesca:,t perconn21.

IV. to accecalation of by-product :ratetials fro.. c6 eecc.<darj ct e rm will be ellowed at tny 1ccation Milei. will cr.ceed th2 permir.;!b i levcic for radiation or radicactivity in unrr.stmeted creas in 10CFn20. The Don Health Physics Stcff will nalatain scireilltuca over this co:dition.

V. Tne rolesse of radioactive caterinic ia effluenta frca Der vill ccep y uith rap.u1M itns in 10CiF.20 Tbc liqaid inf)cen':s f'c c r-the Dow va:.te trep.tment system are cSont ton tine s t% c l. .m of condeasate which will be discored of, so cl.e animu a mutant =u- -

ecus concentration of radioactive matcaials from secondary steara util be abcut 1/10 of Mic, cad the n,cxien canu.31 average cen-centration uilt be a*,out 1/100 MPC.

' The annual rei.cacc of t adionuclides frca seccadcry sinac (execpt Tritiua) with half l'.fe over 16 hoara 9t11 be approximately 1.6 curies.

Uc t nderstr.pd thct under the condi';icur dcaccibcd above ne !! cense nr formi curgt'.cn . :11 ba required of ' lou er ics cutua ars uith rc*pect to pred.c ta.

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Mr. Ilarold L. Price May 28, 1970 Uc furchar undocatand that the procescing of Censur. ors application for a constructica por: nit for the nacinal reactor to be built in h!diand util proceed en tchedulo, and that every reasonabic effort vill be made to issuc a specific licence to Dow at the scito tiina as tbc conettuction permit is issued to Consemars.

Sincerely, throld Bosscher General II: nager, 111 din.:d Division ec: R, E. Cunningitant .

Division of Materials Licensing tinited Statec Atornic Energy Conraission Ji74:c1h '

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• DATE OF DOCUM ENT ' DATE RECEIVED NO.s Dme Chemteel Co.

Midland, Mich. LTR.

L28-7n .5-2-70 1696 u EuO. R EPORT, OTw ER, Harold Boescher x 70:

ORIG. CCr OTHER:

H.L. Price 3 signed ACTION NECESSARY O CONCURRENCE O DATE ANSWERED CLASSI Fs POST OFFICE NO ACTION NECESSARY O_

FILE CODE: p COMMENT O ave

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DESCRIPTION 5 (Must D. Unclassified)

REG.NO:

\ 50-J29DATE 330 2NN N REFERRED % RECEIVED BY DATE Ltr confirming discussion with Reg. Stadf _

...RE: Dow's purchese & use of seconder r W11er 6-3 70

' steam from consumers Power Co. (Midland A Price & Staff ENCLOSU R ES' OGC- Room P-506-A MOrrie/Schr0Gder DeY - -

-t cy Cunni ngg e 3,mInfe ey FDR Cy. Sent to .i. ccou tor ofWoKitI6tl c~~.

NOTE: 18 cyn sent ACRS 6-3-70 by -Do-Not~Remow N. Blunt....

PDRg Sent to J. Cook for Disposition. N U.S. ATOMIC ENERGY COMMSSION '

& u.s. eovaporeerNT PRINTrNG OFF1CEe 949.499 MAIL CONTROL FORM rORu AEC-smes 18.e0 )

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