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 - M s. .  ?

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

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4p23 7,,y Dr. Johtr Collirsr -

m, o, g, - M.9'- E Chief, EffInent: Syste:::s Branch Office of. Nuclea.rz Eeactor Regula. tion: U* M' V'

.s . M 5d.4 U.S Nuclear. P.egulatory/ Con =nission ~S 58M Washington, DiC.;t-205S51 W. M. J.  ? "nQi

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SUBJECT:

NRC;. Vise to, the Barnwell Site. H.O.T. ,,jg, l-5::{

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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... y )

only because of: the:We. testsfeel the visit7but conduc.ted pas also quite. worthwhile:

because of the)]i. noI@yj .;)l 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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L u c; - .a.. fQ.y Test blidificatic2$ ', .

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.3 9 6 4 At liner of' pureiwater was. solidified. with urea for:rardehydsj

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utili=ing:. a Chem-NucIcar Mobileo S' lidification Unit. The ;306e2.it .

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

- T with 408 ga.llons of' water and. approximately 20G- gallonswoff.4:r6 formaldehyde. l verified by per.formance The suitabili.ty of the Chem-Nuclearof the 7. -l waste . UE ratio.Ma.sli, (

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 dewatcring process. 35. go.1lons of liquid were removed during the@Q$/

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.ci.;$35j.$ V.t.c4C Twenty-four boarn. after the test solidification,., therlicer.4j 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. ~#

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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.p k.:. 'iHadioactive Liter Test- for Free rdorM n c dhN$M}

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ed.. 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 -O r .w m 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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x. .. The 305. liter was positi.oned. in. a cIese buriaI trench.:ac. 54

. .;.1 punctured. at the.rbottom circumference in accordance. with.- .d.6.q*W .M;S

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

? 2. 5 gallons of fr' ee liquid were drained" from.. the. Liner;. ThisWgj 5 q.uantity, which' represents less- than. 0:.S$ of total liner.volY:darId j$P l.,. ' can be- attribut'ad' to. extreme temperature and humidity conditicVsh .

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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<hcontrac. v Antor analysis in. Bhrnwelt of' theSon.th liquid.removett Carolina:. was The. conducted.'

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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 /

. 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.t ering prior tos:MESM fii shipment;. In..each cztagory, Cher-Nuclear posaesses the c.'

.G.. er.perienc& andrpropri.etary. know-bux to ensure- that liquidhiaslSedi $i?@$'M

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is. properl'r ".scIfdified prior: to shipment. tw the buria.1. sit @2..:,W.$gd 3

v:w.. ~ . .. .;. . .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.. .

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results,,,pl+2se. do .notany hesitate addt;ti' o nal information relateitEtMi::j.j$$

to contact me at our GWbidN-$yd, ,Rd Officeg-::.% -5+ei;ephone. Number.(.3033709-ZI90_.

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