ML19337B590

Submits Results of Radioactive Liner Test for Free Liquid. Tests Demonstrate Suitability of Urea Formaldehyde as Acceptable Solidification Media

ML19337B590
Person / Time
Site:	Farley
Issue date:	08/16/1979
From:	Motl G CHEM-NUCLEAR SYSTEMS, INC.
To:	Jay Collins Office of Nuclear Reactor Regulation
Shared Package
ML19337B588	List: ML19337B587 ML19337B590
References
NUDOCS 8010070343
Download: ML19337B590 (3)

Text

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'c,9 e yg ENCLOSURE 1

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Jh:$, e.3 1 ' CHEM-NUCEEAR<SMSTEMS INC.

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4p23 7,,y Dr. Johtr Collirsr m, o, g,

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.s. M 5d.4 Office of. Nuclea.rz Eeactor Regula. tion:

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~S 58M U.S Nuclear. P.egulatory/ Con =nission W. M. J.

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SUBJECT:

NRC;. Vise to, the Barnwell Site.

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Dear Hr. ColTins:

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We at Chec-Ncerear Systems, Inc., were please-to hostsNr!.Md Larry Hell durir.g; h'is, visit to the Barnwell. Site-on Ju3.y 31tfMQ3 through August I...

We. feel the visit pas quite. worthwhile: noI@yj.;)

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only because of: the: tests conduc.ted 7but also because of the)]i.

opportunity 1.t1 prasented. for idformal discussions - betweerri;r.eJOR@y' our - two organi:::a.tions..

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.9 As we promis $di during Er.. Bell's. visit, Che::r-Nhclear/ wh$!.h like-to documenti ths; resul.ts of the tests and also provideryc:2g.

with more speciflorinformation tharr that available.while, thse.gw,j te.sts were being. conducted:.

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.a.. fQ.y Test blidificatic2$ ',.

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.3 9 6 4 At liner of' pureiwater was. solidified. with urea for:rardehydsj utili=ing:. a Chem-NucIcar Mobile S' lidification Unit.

The ;306e2.it o

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which-has a capacity /.of-82; cubic-feet or: 614. gallons,, wasifiD.sdj O

with 408 ga.llons of' water and. approximately 20G-gallonswoff.4:r T

formaldehyde.

The suitabili.ty of the 7. -l waste. UE ratio.Ma.sli, (

verified by per.formance of the Chem-Nuclear Process,Controf Program. prior to;the test so.lidification_.

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Following: solidification, the liner was dewatered utilii proprietary Chem-Nuclear procedure and sparger assembly.: desii;;::(,d Approximately 35. go.1lons of liquid were removed during the@Q$/

dewatcring process.

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,K Twenty-four boarn. after the test solidification,., therlicer.4j V.t.c4C g

. punctured at its lower circumference to check for free TiquidMt "small amone t of' " weeping" was noted.

The bottom of the.lin'e$M.

then ground;.of;f to -reveal a homogeneous, monolithic solidi.

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by a. stable surface on ail sides.

Af ter attempts tot reccv.e: tiis' solid mass freia the liner shcIl failed, a chain saw wasi utili@s

.to penetrate to the center of the solidified. mass.

The'hoac d i

of the matrix was confirmed'.

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Hadioactive Liter Test-for Free rdorM n

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A represerrtative liner containi.ng solidified radioactivsM'$fd

• raste was selec.ted: and punctured to. mene at the presence: of'.Q.@$

free-ctandfng litquid/

The Iiner se-lectedr containad. a typicn{yg

. Eh'LT. waste. strum.solfdified at a. custcmeFs site' on Julv 25.thd.PMg

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The-Ifner arrived' at the. Barnwell site on EtrIy 27th. with li:arggd 7

surface radiationr leveIs of ~100 mee= ner hour.

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The 305. liter was positi.oned. in. a cIese buriaI trench.:ac..d.6.q*W e

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..;.1 punctured. at the.rbottom circumference in accordance. with.-

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!.77' procedures approved' by thc State of Shuth Carolina _. Approximatelyl

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2. 5 gallons of fr' ee liquid were drained" from.. the. Liner;.

ThisWgj j$P ' can be-attribut'ad' to. extreme temperature and humidity conditicVsh 5

q.uantity, which' represents less-than. 0:.S$ of total liner.volY:darId l.,.

4.,?.:x that existed during"the test periode (905r"J.

We have sid.cer: d.@,. 5.2,.

3'c todifieiotcc operating procedures to fncrease the time inter.valq@..?.$,.

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.;1.' :between the. solidification step and the dewatering step toi333#T?$}

,@ assure: cn:rplete; removal of. any remaining frea water.

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s Y j v An analysis of' the liquid.removett was conducted.' by. oure.y$m.g,g a

<hcontrac. tor in. Bhrnwelt Son.th Carolina:.

The. restrIts arei. 2-7 :,$45

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pu y^;:y I?e believer thar-batt.. tests-demonstrate < the suit *fTiityi.of$y.v.4 l::urca. famaldbhydec.as an acceptuhle solidification credia. 3.Wei:Mh,N

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. y$ contingent up,ono satisfactory process. control.,. thei capabil;ity)y!;jM:@

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,qi-Mis 3.L~ of tha operator,. and the complethm. of.: dera. ering prior tos:MESM In..each cztagory, Cher-Nuclear posaesses the c.' $i?@$'M t

fii shipment;.

.G.. er.perienc& andrpropri.etary. know-bux to ensure-that liquidhiaslSedi

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is. properl'r scIfdified prior: to shipment. tw the buria.1. sit @2..:,W.$gd d.%

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..;..m.n,q Chem.-EGerora: incites you persone.II.y to.. visit the Bhr=we*.tVM!

.' S~ite to observa further tests if decired.

AlternativelyC:y @ @

mW unt tot observe Chem-Kuclent solfdiffcation. activitiesta. f;$W]

. a. licencedi reactor facility Irr any event; please be-asonred@%

. Chem-Nuclhar.' wi'11 cooperate with.you. in any way possible ast.T.MfS!

you. continuetyonr aaalysis of; acceptables solid ~ waste-e.. x#. 5.N. M, fj M-munagementi.. systcas.

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&IE sontdarsire: any addt;ti' nal information relateitEtMi::j.j$$

results,,,pl+2se. do.not hesitate to contact me at our GWbidN-$yd, s'

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,Rd Officeg-5+ei;ephone. Number.(.3033709-ZI90_. As we promisedi2frd$:pd4d

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Sincerely, J.f=:<9F.2M.;. m

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@D:.... cc :- David Jonea,. Vice.-President af Operations, Lou Heynolds,. Director. of Regu.latory affiars<

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