ML20127G927

Forwards E Ewald Ltr to Director of Minnesota Pollution Control Agency

ML20127G927
Person / Time
Site:	Monticello
Issue date:	05/19/1970
From:	Mcelroy D NORTHERN STATES POWER CO.
To:	Mccool W US ATOMIC ENERGY COMMISSION (AEC)
Shared Package
ML20127G930	List: ML20127G927 ML20127G937
References
NUDOCS 9211170464
Download: ML20127G927 (3)

Text

'l O$ h{b NORTHERN STATES POWER COMPANY MIN N E A POU S. MIN N E SOTA S S 4 01

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May 19, 1970 Mr. W. B. McCool, Secretary U. S. Atomic Energy Commission Washington, D. C. 20545

Dear Mr. McCool:

Enclosed are 10 copies of a letter written by Mr. Ewald to the Directer of the Minnesota Pollution Control Agency.

I am sending these to you for distribution within the Agency as a matter of information.

Very truly yo s, D. F. McELPOY Vice President-Engineering Enc.

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:r 'c...: i Lada11ch,1:xecutive Lirector i .n. a - cc Pcllu tion Cont rol J.gency '

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l Tc.c tectir.y acid on igril 7 and *., between representatives of the iinnesota Follution Centrol A:;ency and 1:crthern $:stes Pouer Company have cor.tributed grcc:1> to a :sc::ct understandinc of the of f-gas storage issuo. hc belicyc

• j the s:cra;c syntom can prcvide significent advantat;cs in the limita icn and ,

inese meetings hr.vc provided us wit,n the b uir. t or t,ne j contro:, o f cm.s n on t, .

enginacring stucy now undcruaj of a 4d-hour off-;:an centcintent facility -1s

! proposed by Dr 'isivoglou. We have engaged XUS Corporation to begin the cesign '

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! Reco;;nir.in;; tht: any t:odifications of plant design cnd operatter. are subject to

! the a preva; of ti.c J.te .ic :.nergy Commission, ::orthern States Power Ccapcny uill l subtic to the AEC the resulting design of the modified'sye:cm and an addendun to

! our Fonticelle 7acility Lascriptien and Safety Analysic Ectort. ipe: receit: cf the rer.uired aMreval f ren *.he ACC, uc will completc L;io s cora:;c syt ten as s;ccdil) ne prceticchic, re;;ardless of the outccme of the litipation. Fa have already informally discussed with the A'dC cur intentiens to modify the of f-scs s tcrc:;c sys:cs. Our estirctes fren prescntly available infornctica indico.tc that-thc procure: cat of e,uipment and 1:s installation will recuire approximatcly six to nine tenths' ticc after receipt of regulatory approvals.

'.le acvc clso accin discucsod with our consultants the matter of cnissiens of -131.

From ::.cse discussions of plant desica, cnd experience uith _ similcr rocc ors at other locctiens, te do not anticipate the caission of sienificant c;eantitics of icdine.

1:cucver, if f or cny reason tac picnt does not perform as cupceted and environ-

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ncntal ecnitorin; rcsults, u..ich crc aluays availabic to the Sta:c indicatc iodinc ir :he atmospacre attributs.uc to the plant, uc vill work ui:h you to

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N O R T H-C R N STATOS POWCR COMPANY

..r John ? Ladalich Parc ^

.ay 13, 1970 devder a tutunily acceptabic pror,rce to correct the situatien. Thcrofore, ve hnve ashu: :.L5 Corporation to includo in tha (esien of the off-grs storage in-stc11atica provisions- for addit:!onal. cruipnent in the event environncntal t.ca-- ,

itorinc, results indicats suca equipbant is neccusary. . Tatc could include the  !

inste.11ation of tore off-r,aa storago, an activated charcoal filter, or other oc,diprcnt or c.: angas in plant operation, or whatever sects-indicctcc to accom-plisa :he objectives.

lie remain cluays availabic to ~31scusn ?A 4 .. & U t* *h you_or your staff at your convenience.

Yours very truly s

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Chairman of the Board 6

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