Document mm9obrpd7D7BKrgBjnMKKw5Vd

FILE NAME: W R Grace (WRG) DATE: Unknown DOC#: WRG236 DOCUMENT DESCRIPTION: 0000 Unpublished Internal Report Regarding the Multibestos Company. The Multibestos Cou> any Mr. Lcttrdl*. rho designed large pert of the-ventlleting ecuioeent " usat* et the pleat-, shored =e about. . There here been numerous cases cf asbestosis developed here, end as a result the nethods of manufacture have been greatly notified. The carding: proc ess has been drop ped, tua yarn being bought airs* dy spun, and e ret weave sub stituted for a dry ra-.ve recess. Mr. 2atesca said that core cases cf asbestosis were developed in the veuve room m e r e tha dust count res about seven and a halfsillicn particles per cubic fcot, than ir. the ctrdinr-rocn,' where the dust count res much hi-j>er. The nost recent counts ran from half e cillits to two sillisa, except at a carbolcy sen, There it was 5.7 million, and at the paper better duringits feeding '(21 million). A new process has been developed -"or "eediar the paper.bant, the use cf the earbeloy s*r is fisccur-ged tenuis.- its removal, and th* general ventilation hue been greatly in. roved since thsae counts -are made. 7oven 'ebrios are usad trisfly fer bruna linings, but for sene clutch ***cir.gs es rell. Mese cf ths lat a:* r>nt son erais Urinas, especielly fer uatvy `orrhss, era neulded, cr note oripinally es en usceatcs ..apar. Ver iapr.-.pruting meterais asphult, oninawood cil, ar.i bal. .ite resins ara usad. Kubber bondad linings .'ira nst ir. vrn: ts; ths rubb-r Icn-'inu ls icne in Tambri ge, bu- 11 cuttin-;, a.v-ring en: -'iniahina is ten* ir clppls. ........ . Veare room: The y -r o ochsaiiss*3 of ccttcn :-.n3 asbestos fibra round erecunu*n.* a nmmatllll v:ir--. The war- is 'ry:* *s it liares ::: aptols hut pt-.sse3 erar ret rcll bef:ore go in. thr s:i*r. the gusidea so -.hit tha ust .Vcn j f by the vigorccuus agitatriloon:. of the ir;* rare on t.*-.ae resvirg prosees is 1; cu.sly alininuted, sizo:-ote ths yarn is *te*^* '.4 &# te The a .ter bei'oerae uns:o. The loom *7 tolo of iC. te te ** tete te*wte te -- teteteteJ 'J tete *^.4 ^Vr; / a te 4 te * tete te* ,^te a te . te '*-- tete tetete te m t e * #*S** * te. Wtete*te te . *Cn n m e :* t.-.a Icons l crocass cf in..rv.ni ting ths yarn as it is woven is saing triad. The roll ret with rater is re. lcocd vith cne ret with impregna ting solution, in most casus asphalt in levosana. This is cu posed to give a mere thorough iaoregr.ttion end eliminates t process. It has the disadvantage of dirtying up to.a loom, hof-var, *hnu ths fuaa of the solution costunin- te the air of tr.e we ova rocc. -u solution cf resin vis else b*in_ a; plied in this ray: they have succeeded in *lir.int- tin- toluol frem th. solvent for t..ese mixtures. Or. one section cf loan & water emulsion of a resin im remnant res being tried, it Vte4 4* tete_te*m 4 *te' --te *te*^*.T*T t e C * . - ^ . m u w J i * . W te a w te .. -- te f * " - * i < * i c , + 4 -- -- i S .s . I r.:. ;j #TI-- tte^lte^l tete*C* f *7 - s -"i-bric after it ls .o t r . .. lor- :t* er/< vf*-,r ..*'ich o 1 cec a 4 * . -trip is ve:... * W. R. Grace 6 Co. received this document on July 27, 1985, from the plaintiff ae a trial exhibit in Greenville County School Dist. v. 0. S. Gypsum Co., et al.. C/A No. 82-3142-14 (O.S.D.C. South Carolina). No copy of this document has been found in Grace's own files. PLAINTIFF'S V * f . w 3 the clutch *:.=turo ..r.i '.riho lirlbrs oro rr?:.r.i `o tha --s. r cine, tu t ri ul* n e -d a r *r:^ ."*itrr*o2n.'o.i **, :"*t'2c#., -.r* :r *v.*i3a rocr. 2t.h-s3 rnesaot 3 t"ir-^-3 ~3ff2rta ir. -cztil- tioa hir: heuz z:ic. Tir rtrcnl .-f visible `ust sr.a1 alrost ;sriic: ir tha cesa of 1 1 d a rrtzMzc o?*:.ti?.tc observed. Tha ohif scure* o-' Va.-* s--re* li ir. ria h-zilirr <r* pi] a* articles Lr Icriizr or url*'ir. ; rreuizs. Ir 3or.s a ara voctiluticz ces vi:"**. ' r.- * >~ 2 orariti rzs. Ora r* d a zar :: ir'.tir ; or insili . iteloro) *ora r*s;.i-*-tcr. ir (fcr t!*. inaila :f clutch Ir. V j .Trca.-r ci .tikir.;- r.ouliai crtk: lizirgs ari a* acitllr clutch ficings, set*-.tea la fad irto a :a* r :-ittir; *:ih ira, chare it ia .".irai vith J.. .4..*.*. m4* * I'* ^ I (^ . 4* V | te mm ^ ^ te * -I **f *.l1 4*APT1!~* | .1 . . M . * 3 w s te * * . ^ 4teate * w w h-.riar. "rir hera it ir 7 r.-? *e ohe t o - v rj.chir.5 vhara a lrrar of iha r.i::curr ia : r- i icrtir.ucu.il;.* in or. ir:li-.* tilt, ita r*eer 'rsizec off, ari the re3fO. ***! shaet of rstartrs tarar ia rcrcpai, pressed, srd cut up. ' Fcrrerlp tha act of '2 odir.r asbestos irto this .tschir. ~s ver:-* *`-st7 . T.r ths *;s.,;s tf asbestos are jr/:ti;d irto a ohuta (ir an enclosed rese: or the secrri floor) er.: ths -.tear for the rixtura is a; raved ir sirul*cre:usl;*# vettia* devz tha osbsst.03 so tr:t it is scchad rith Tatar v**an it -art-ars tha 'aitar, and little or zc lust ia virar tff. The ran handling tra b$s .of .$scastcs wears a ----- rea*int.tr, the otaraticr tiki::; but t few rirutas. The rccr r/hars trie tea : m sasr.sd sur.ri-'r 1.* frac TM.'tr. visible fuse., . This s.s r.a-'tc : -ar;* a- "is" tt*rr, :error. i.r.-e , i*4%^ *^ 1 *** tZ .*. .. ^ te.3 *. UT 4 ** *^ ^ ^ . . k 5 te'. * *%3 * J f ^ 4 * ir T.1T **. rT * -T ^.i ii lliVTiST . ' * - * * 4 . ^ 4 . * .* 4 ^ ' . * \ # . . . . * * ^ ^ * w tem a ^ _ . 4 . W W n T 4 te*^^ a a fc* W - TC"/ ?US n ^ - - -a f ^ 4 f*. Clutch irira. r: tic., rtor: ' Lest of d a clutch facir^s ';jrs irtr :rr-tad rith S doto, c sclutirr of & ceil tir .itch ir tcluol, rhioh is n de ir the Ceabrir^a plrrt. L rock , about * x C* s i' ij fillai ith clutch f-.cir;a tri t; or subr.arc'ad lr ore of ' *'a * * 2*' ^`A -'r'4 t' C"** .s ^ 4 # **T*? " 1 V * T h s o o l - t i o c ia & *e . 4 * a # # .* . . . 4 i ` * 'I* - s i * *" **i u ,.****.. , , .. 'a. e mf t*S#. V m m W T 9 te o r '.li.-ier, tr.r t h a * c r h teY * / . , 4 * V 4 ^ .*... * .J. V the : U T T "* i *.* . f * . . . 2 .. .* - 4 - .`S T .Tte ? .*** < V.i 4 , e ! < *-.% ";--.-T3 e< Z 2 t' 4 . - I ^ 3 4 ; ** 4 4 ' . . 4 . -A . r- if ,mm' ' * t >.i . 4 * , ... -**- - s 9 mm m i m m . * *.4 . .*^ *.* *".4*^ |^4 te ^ i W. R. Grace & Co. received this document on July 27, 1985, from the plaintiff as a trial exhibit in Greenville County school g-iwt. v. C. . Cyysua Co., et al., C/A No. 82-3142-14(u.s.o.c. south Carolina). No copy of this document hee been found in Grace's own files. 3bila tks irsurr.:: urr .ii *t th-*e :?r. iiti rrs &rd *o be sttisfiad, ?r.d shila it is trra ihet tcluclis net as ir .*j ... _ .i * V v.* **2S J* .i *41 a **,. 4e t at cut its *:T2r ccutir; 2'r.rcni: .ciscrir..;, it i. till :rifiec :1t> .'-.*r.ncl ir Bulltin 52 si ii.j " . t . *" L-'-r.r. :.-rtuir.l;* :~:iti?rs rush i-= a;;tr?ntlr asiit v.-. itrli r.ct ha tcl.-r-.to! if t.ta;- ccr hs scsilr rtrrditd. Srurs tenti-ining tairrl -ra ir sera sct.ss labelled as cor.tt irir albshcl. General: -. I'alT-riis j.iI tint zc-.s dsrttstitia .t*. cursed b" tba "rrr.alitb:* used -itl" ^ i n ^ --***^*- ? i = ' b^raiitj sir.s. ?.jiii-*rtrrs vs.*: -rvr cr rv.r.;rsirj, ':* cvrt.lry sr", -tc. 'rti, such us aa.irr t'.-.a 'l::r, Ir 'j f i m has hear ad-ir*hi;- "`.cr-urt, irrerirrs, -r.d, I b*ili*wf 2'J*;ctiT3 in tra st-i.-s tc-r.cr. to aliriruta lusty csr'ititra. W. R. Grace 8 Co. racaived this document on July 27# 1985# from the plaintiff as a trial exhibit in Greenville County School pist. v. 0. S. Gypsum Co.# et al., C/A No. 82-3142-14 (U.S.D.C. South Carolina)-. No copy of this document has been found in Grace's own files. 2?