ML19329B867

Provides Effluent Treatment Sys Branch Position Re Facility Monitoring of Explosive Mixtures in Gaseous Radwaste Treatment Sys.Proposed Tech Specs Encl

ML19329B867
Person / Time
Site:	Davis Besse
Issue date:	10/21/1976
From:	Jay Collins Office of Nuclear Reactor Regulation
To:	Stolz J Office of Nuclear Reactor Regulation
Shared Package
ML19329B868	List: ML19329B867 ML19329B872
References
NUDOCS 8002060874
Download: ML19329B867 (2)

Text

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Cocket 90. 50-345 MDOW'00** F09:

J. Stolz, Chief Light vatar Reactors 9rarch ?!o.1, CP?'

FRCH:

J. Collins, Chief Effluent Treatment Syster.s Branch, '1SE SGJECT:

ETS3 POSITICH 'iITH RcSPECT TO CN!IS-PESSE, UNIT "6 1

MO*!ITORING GF UPLOSIVE MI'fTU9ES IM MSECUS nOOST:

TRE.tT"EMT SYSTES This is in response to a recuest from L. Encle to doctrent ETG's rosition with rer.cect to the desian of the casaous radwaste systa cc ronents for

avis F, esse, Unit !!c. I handline notentially exnicsive nixtures of hydrecen 3nd nX"'10n.

In cor "ereview of the rq<'vaste treat ent systens for navis-Resse, "r.it c. 1

.criar to the issuance of the CL-SE" we identified t"at the ~aseous r=&aste systen c7menents are not desianed to withstand an ext'lcsien nor has the aanticant r.revided reeindant monitors to preclude the for-iation or b silfun of en:losive mixtures within this system.

'.'e find tis to :e unacceo+2Sle.

In accordance with St.incarc ')eview Plan 11.3 it is our cesition that nasenus reiaste system cernorents be desicrc'1 to centain explosive si.< teres ce tMt t"e P.vste, be previced with reducr* ant - cnitors to preclude the 'cr~aticn ce milcun c' ex31:sive rixtures.

In recent discussiens -ith Tolcen Edisen tha arr,licant centended that since the svsten operates with a nitrocen 51 ante

• the potential for the fermatice of exn10sive mixtures does not exist. The anclicant furt5er carteMs that in tu event t!'e sincle oxyaon onitnr i:

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.r'sica aeriodic grac samles will Ni taken until t'-a unit cc he renai~t.

"a find both of tnese cositions to he enacc90tM19.

If the c:'?licant fails to provide recurcant int.tm.entation va will insist that the Technical Seccifications for Savis ^ esse, f.'nir. nc.1 inclui e a d

reouirement to shut desin the reactor in tre event tre single oxycen monitre is cut of service.

Mth recard to the oneration of the recendant :enitors t'.e apnlicant incuitec

@ cut the worcin7 in the Technical irecifications ccrericq these instrrenir..

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Form ABC.318 (Rev. M3) ABCM 0240 W u. s. oevennment paintine arrics: to?4.eae. nee 8002060h[

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OCT 211975 J. Stolz

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Attached to this memo is a cocy of Section 2.4.2.5 of our dr.o.ft scedel Techni-cal Soecifications wnich we intend to issue in the near Nture coverino tre operation and raintenance of those monitors.

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JC5 T. COLI.I:i3 Jchn T. Collins, Chief Effluent Tresbent Ryste:.'s Dr.v:ch 01 vision of Sito Safety arc Envirovental Analvsi s Attac %er.t:

%ction 2.1.2.5 cc:

7. '!ollter DP9

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Docket File 50-346 NRR Reading File DSE Reading File ETSB Reading File J. T. Collins QSE,ETSB x2777$',ies, f oilins:lw ouannua >

{DV15/76' Faren ABC.)ls (Rev. M)) ABCM 0240 1lr u. s.oovanumsar paintime opricas son.sas.see