Document zoQY8oO0ELZxo3eQyg9qOybQz

FILE NAME: General Motors (GM) DATE: 1939 DOC#: GM065 DOCUMENT DESCRIPTION: Internal Inspection Report I2ixr.il lita'iitct.iria,.; Elvision v ie s , Ohio October II tea :isvc.bcr l, i.'ii * . S7 1 i . a. Ctx & 7*a te s ta p e rtu is la ; *m 'Uibuitos lu s t, .`ir e le f ts per t d r.In; to both tib c itw _ stiX tad lsad, ton su;wry ctervaUcai< cere nade in eoopw ktlan.irith .. " ''s ijU rsrsl S. L.` ic ie r, 1. S. Flo-..er, I . Ccrsaa, .. * Joyce, K. &. Cray, 'c. trehar.' . it, f c d lljp i, it. Cordon, S. 1. CanaaJLr, ii. V. 1X7 Z la e s rll, I . X, Jon. '. Ccbuuate, tad Br. JU B. Johcstao. . ... - . # : S3 ep o K in unoer ccisidr*.{l5a a rt incidental to to precue?iae e f k rais .:>>; g s & tad clutch ra d s * * . The brake H ula;* a r- extruded clutch facia*** eea*,' u b t f t o i j rubber, and othar la*3*eiw.cs but so lead or l * t l coapoaad*...Jb ', a clutch facia; contain aubest02, bru.i a iro , rubber uu, other iap*ediaatsl v -i-M-f lith arg e or l u reaction proouutc. Tbs ilu lsae d u a u r la l contain le a l P 'Secapound* corresponding to approxiaateiy 1'.' ti itd. :' ` v }-* * '' . ... SCaegluior, tad Suggsgilgni ^ * t ' r ' . 'f . ,{a) Tie #t#ella Yeoore i n .t i e cedant aepurvjtr.t appear to aar.lt fu rth e r.* ./ ttL eo ti* (p. 2 ). *.*., ,(b) Zt appears uesirable fo r tbs eperatar in tie cexeat dapariiust to use; '*. * an approved r o e p irtte r * u ilt uuptyi.* 11 ta r g e int ti* six e r, cod that tseunulttioos of dust should b* rtsj-;#: p e rio d ccily i f ax ti* horisoctal : - surface* in the v ic in ity by o vacua: ciount-r (p. X;. J.,, . . / (:} The situ a tio n in ii* la a o n tu ry probauiy is r.ot a tri'ju t but aigbt u c rii the precaution of usi s ; t ru ip lrn tu r ar.s n v c cleaner (p. I ) . ' {) Ttu duut neer use unxtndin opre'.i..; in u ii ee-ient enune '- or exceods. the* p o r.'ljx ib le i i . i : uju t-x use of u reep irato r i l ' succestod (Test f l ) . . ;* _ ' * .() The Zees concentrstios i'ouna :.vnr ms.-diie rLncin* d u tc h :'xlu'3 ' to tlitbnex# 1.* unexpectedly hie'.., ---- t..e iocetiou is rvcutsbcoed Tor further observetios (Tort so). (?) The lead c o n e e r.tn tite ticsr tht- groove vl(.-u.:ii^ opuruuoa uxteried the ' perx itx ik ls U n it, sad thu in. to lln tie n a;' un exhausted tab le y e i i a ; ' 1 su^.ectec. .' / () Both tho c u t; cad the lobe .....; t.i. 'liup exceed tit* >.? ilrrib le i i l i ' . t a.*., a rt naixkfd (Test / 7 ) . . (.*) lubfititu tio n of vonaa civas.i.` .tr .1.* je t iron a ' r i i l pret.- isble is i..Cn* .twU i T 't '. i*i c l i t t i . v .^<i.',illf. *!.<1) til U. ...... ... g .. * i- fact tsu t u*t *. iir c.*ui . 1. ... U ' Cbia^et are u ^ c e rU u (T* s t p.i;. ... g .. t ii. .'pit., gf the .1 u.^' 1.* i^u.}ule 1939 GM Study.max JEL 00001 Gtf\ 3D 53brd*w* gWiUw ns* n IU*ad iS l*' atrixia* ggtt). Tfee ceatinaed us of reapirccarr h? tue HMn^, the y ^ re u ie a u cf ti fcrs lU iu c tu pom--1 IT*" to e< lu strili* . 7 * c f - V & r r**pirtar. urir4 u * tri ; portoa r. a u * aix er 1 i*cur*d &1m Is isi.;t*d (7*it 12). .. ' O rvfcvd. ;L>brV?* ^* ** * , ** * . . . 5J,-ilur*JU ! te l tta * te oeuupctioa! dilM Jwi coaU ial a ssf r*U ?aa*l.la t cffeet* of xcesclv* aousto_ ol u u s u t . P u tiil h**lbfc & iil tla fi+1, PA 3tuj o f Asbeataai* i z th iu bertuo Textise lK*ui.iryw; Z a u ru e tla a e l Lihour e OiCLsa# w pplcsctl -io Oseupavi'je od h*lt h, d * u a Jr.mry 13M ad euvitied.--' ' Asbcsta*") P u tis 8*ltd efori tiorauMT SS 1319 "A S tu ^ a:' Dust Coatrel ` tiaiiad* la Air Asbesto* f i i r i c s i i i * P i* 3 t, i ad S*yar* i a'h m s , Aacricaa * '< `'cerasi ai Publio Hocitfc, l a r e ! 131, "A sU rtoris", w*y U s e s U id p r a d s w U ; a-ibi* e*a*etio&. Hyhum,ln In stu tri ! Jtd lc ia a , Octautr H SJ, quoua U orp ;*a Lseeird l i dicu>lac 30 e l i l s s , serlUeo io sbestosi*, lcou*bl g>ir.*t ; 'm rz iormerf ui~...'.i*r turine brut* lir.iuy* l i i n t i f f i r n t c . Tselv posi tir ' Idlsc^a-er* .bare sede, od th* la ur tar* c a rrie r *rro*d ca-phusKtioa.or M iti* -'" . jaecl la c a c t i ef A50,000 for t U w elv*. 71irtgr a i ti re -c ia ia * k n e v ^ b t locai .ta t r i a l. Ta*r* cppirs io b* uoae a lf ie r e * e opiaiue o r c ia i t h s : , .. idliCaoM apocisH f la vi** os` tb* r-* r- j i i<U.aa* a i u * U elre. xerdad ". 'z- jjs0B-.esetico, m saa* t or ria* ^-r: u f te r tbs c u s u tlo o of U c a o * e .- ,Aa:l* coauac la tauae coepliceted c f f c l , tr- r be aaus i n f e r e * a i /..; .,- L^dalao reftaruia*- >* parala albi* l l u l t fo r tubeatac Ousu I ; eppeers p ro p cr,'-/ ^S*rrcr ts cc*pt .la* Fwai tng* a f B * y v t a Dr***o (ia c rle a Jouraal oi Public S i l t t , U trsl 1903, p. 20i~U ), w-tldu la J lc a u . p cruisslbl* l l u l t of S,000,00cq pgrtial*s per t a l l i foot ai Ir. 7nj* stato : "Obliai te ad roeatfos-' (rtp tl: rridcac* o f abestasts 1 ostvm ia upo! p*r.'oaa a f te r S to iii j m n 5=Tisp: la fcxpasures ucccndia S sillla a p c rticio a per cubie'YooV o f 't i r , Md;:. -. g 3 t;y p * * rs tbut, i f tabe rio : cuat osasesuxtoas la tao a ir brvkibei t r t tbpl'.V ibeioe S su jp .p .s.f., oev eM o:' ucbuatoslc i l i net appetir. " fu rU * r, l t uy ' -.p ru lsst ta Sitrssart ucsssUd d istia c tio o s botseec io.i^ fib re * , short fib ro si 3 .\a.dJ c e rti ilo 3 tao Lori io be c l u s l f i e o s l 'i t r e t . . . ' . .' . isai e't LlbM t.U s / t e r . co, tie P tb iic * i i e-irvis* c-nuuctcd a;. Ir.vbjiigatiaa la * l*r*e **torse U tU ry p lea t tad eaetlvuaiy t ^ o i t a c 1.1 uili*T*.u. per 10 ruble jaetrr* of ir *i the p-.tu.or.ifcl l i u i t lo.- ieua. A rveent riu-.^y, lavo!'.ia^ ir la SS piar.u aaa ti* u d ic a l nxtuluitior. ci a p p ro sla ittly 700 a*n, l. g s U x p r tu i to :;s-'iru ta* proriou coaciuslsa ara u, uw lu-t* th at t* l U i t cf Lli> *> U reiairw l tc void "osrip pluabiita". 0leua3iga of tl t u r hsJ ?SCC*t*d ta s i >**rV pluubiia- uap a a t be vry aerlw a.. BoevrUu.!*, i t p?*a tpradeet for lead eone*utr*ti;a* u. U udaiaiaoj U io il ; iiu it se fr u *v>. .. S w llae Vtr - . LA*:oepcr*d te chlorinuWt ol.-oats .ta ca*l-U r It'drwa.' boa*, l t ppesro t t ' ,; tT^9r .ar* ro-a t`.fe.tjr no<v-toxic. Vlua .'v aot, a..w r, vltbout pvtU !&* A ou-itive, etl:.v- la l.u/alf ol - a - . udsitta CiTsAlse cit-j P uup*tiessi iteci;, ,u ; f a i ive- p .rt: o. y.-pur por dllUor. p arti ; Air. 1 * proper " l l . l t far prwevUiii w ia -u l", 71.v i;i w^aivit lo 3 .l i kj* ' Fulil*** /" '.l'.u s.Ju tj it ;'<> t ..if. <r.(or . o p ,ru -J -u.iv l . i ^ ,i.- ji-:l 1939 GM Study.max 'iCr'ftrcio* Studi* P** i I ni .t a g, S i n a i s ; . a 8 a ,,., s * * r ,U a rf'5 Iti ' 'U H I |* a **IM! ^ o 3 3t?--|I=* B i. O ! usa* 8a3S . . -1 *Ui--J iVl $3 a 0" 1 ta t??"* j 3 k " fc> $ u S8 3 3? *-i ci^i.'JJ g* u *# " j |vd 3* fim my j 3 ^ 2 V* - im A.O 3* a 9 *f i ;O-. *. _I * `. a , d *, m># >g M |i M --oI ^ Iu i*J> S 5 *d m 9 " ui aE - S a . is .V ir** `J s a*** MX I i - * * *' a *a n*; "** .*s i * S *5 *t T>*b*i2f IT*i* * >*-J - n3 %e *t il iJl 1 0P , :5 8-"* .. .^. i1 nr: . . V*.i3 o,--! ? ;b* .: it .:* 3 J .'-'-J a 3 " 3 * .1 . q o S i~i 3 a &I *k3 .*>>4 V/,S ^ 1 H I % 1$ \U U iili j r i i i f `K s oon oo o tc K h p. 4 : :-}`i 'S c* -u74 -14 all X CO E r .7 * . T+>3>** CO o 3 a O o> 33 oC>O o u -* I. ao ir rcio M S tirile * Psg I rrigad ig . It r is ia c cousis- * o t sab* sc-mrdiag to the Tf >r-, ^ b ucaeriaeu ix. Publie health B ulletin #17. -load v it *stJju.tftC c slc rU tr:r ic a lly y * proe*-u.-t a--pi^isg diphscylthls : i r t e A*. >*' -In te r ' J o l i d*y t : i clear r i t i tssporutaroi varying bettuen pproxisataly 50 ai t ^ r e x ia c u ly 50T.' 75 triade* i s ta* acaiier* ol ta* lus tory c p e rtly e p Ce*ont Ceportaeat. 1V & /5S. i-^TQ S :1* ta St U (carrvctod f a r is ts rr u p - tics* * 0 -in u tss) ;. . ' jpy c u trices la tbe olslctw y beteoea thu supperts iro s '.Cich u s u t a s f~ r <j aseou-ri., Tac ccrt thaa pasee: tiirougb tale* eaathining c*e*at, tbea ' ' Sirougb dryiag tseers ca c v c e tu id ly i* luso sato ciaw b fasiag*. Su*t cacaf*s jfiilh ly freu th eord* doria* tbe uarinding procus. V use ia ic rz e d tb * t - p rd la s rly toa asa work la tnu ro ca, water. 1* qultu larga. Ose cppeared te ppuoi ntftt o bis ta s la tac lo e a iic s saapluu, aau u n oitaaers v*se earning fearty. /. . . p rio r to tb# t e s t U triors coa so* o tc viadows ocre opee, i t jeer suggestion, J r . toreas a m a z e d to btve shea closed i s o rtu r to 1.c is t* dater csoaitioos. Tie ia a la tin ' cupola css reading, sad tbs louvers la the jtc il w r t epos, l i t e r about IS fla u te e tie. uca the ia4 ^**>*4.K oc tbe p iitio r* obj..eted to tbc f u s i l a s vapor, -vu ta* ttoe c i tbs U s t u Sor ` to eceest ras easpsuaUed, oc tbs p ia ti ora av-.-r t.*.- ocatiaa coupled, c srls^ tbs tia e eoTorvd by tin to tu . ' Sbs t e s t lasleat 10,050,000 p a rtic le o dust per cubic foot c f a i r . va i f .U ossacs i r aads fu r the f a s t th a t tbs operator does not epeuu e l l of h is tiu* song, tbe cordi, osa pcrtaps fo r tbc .a c t tau t tbe vtaaors asr* closed (nitaough they so doubt 11 be closes (taring tbe cold rceatiter), tbe c o a c sstrttio a found approccio*, or probably czasedt, tbe per.decible L U lt. Secasse of s it e cad Sipe of tbc ia s tc ila tlo a , tbe p o l it i or. c i tbe operator, cuw tbe aeuescity of sessso ib ility , i t oses not appear zpooteat t j In still v eattiatiag oqulpauit. Psrbops tbe operator could be perauaed tu wa* a resp irato r, a t le a s t p a rt of tbc .tins* *c * _j2 L 2a--ifes22L Csawct O cportsast. , J / l/i3 . 2; 46 to ,,:10 ir.-. Tb* scspl# was t r i t e s t tbc shouldar of sne o:' tic- jss Heading broke - S rsc* C asp lo a sixers c i located near ta* westerly wall of tbe rooo (tbe saa* " EtJ "1 th a t wsj Involved is T u t #1) and ur< uaec tc bleaa tie' asbeetot a ix tu rt with a u p li a e , rubber, e tc . !. tst.-stoi (aau o tts r dry isg r* t*) i s recoivod iii losoe eunw.ir.iae i.'/y . 7.*. -_-fc dua/icd la te tbe CUapioa Z tie s .. Cciaoila* ( t ro iitlv e iy . c o lttilu ,cr*vj-.J ja i r-,t.bjr era udduU. The aixer i t tbco covered r tth a woodaa cover aau p o n ritu n to run u n til the bloading 1k j Idea socaKplicbed. ibout < clnutos it> re :,ulr~ i tc thurge twa siz a rs. Tbs escape 1939 GM Study.max JEL 0000' ------------- -- 5t& 2?*ex Stati** *<* /i Inland St C irtt^ i' j^ d u iV r a w tb* basse tra cisgMd i t *try noticeable Ui*. c ito ifJ.it b rief f* c e * th* g u d in * i s adi*d i x r i i s u i y e lte rra ra . JU ra u a aotlcwfcl ' ' dtp* s i gassila vapor both oaring end xsiiwsin* I ts a n s i t i . Ib* ester* os *rt ns tightly. gSrw 'betcbvs *cre nixed,end tbs f le e r was raept dorian to* Cum covered by Hm geru'VOe* c f .th t to operators sra l rvsp lrstar while umptn* sbestog but sot i d l .--flying.. ,. '. J)ji* deers u k m ex tb* eiadess ear* opas earing tb* u * t . . S i u < t indicates 2.500,000 partici** o f dust per cubie foot of s i r . ' -. -**'*. . TffTfS tfSS7? Cbeafwing ras of brabs linings. '. Bldg. 11. 0*pt. 16. W S S / l i . ( t i l to i t 05 > h r n*yl* s u tekra a t tb* cS-x;ld*r of tb* ppsrmtor 0X tb* v e rtiss l {Timing gdaaal w * i ta r tb* purpos*. & abaci Is booo*d caa coen*ct*d to fan. lb s ra t* cX. e ir - f l o r through tb* cp*nlrtg l a tb* hood varied fro 0 to 600 ft par r<& ialssts'; Zb* aareal rat sT proebetl ea is epprcudnaUly 640 pi*e*e per bcur, aod ari* operator spargi* about 4 out ot hours a t th is sesbias, . - .. &* t a r t i ndi rs i* ! 1,SJ0,000 p e rtld u * or oust par cubie tool e:` a ir . ,V . i;' , * TZST #. ilSSSTCS .V - ' ft&lbMAg brake iic ia * u trlp s to tfclclrqus. V- ' Eld. 11. Uspt, 15. iO /H / . a:vX( to irtSZ ** . Sba staple w takas a t the boulder of a g irl operating ta* sesolac which grinds fo th aides oX tb* brer* lin in g strip * aisuitsseoaaly. 7au -><" i s nclosai, . ad tb t r ustng is caeneeted to a v e n tila tin g Xan. Tusrc c u no noticeable a t dust. K* m lcrstcad that tb* oaebioe 1 in use about three hours in ` Mcb -sbift. - K : ' ? *Sii*r (t * t f f ) is }re e led nearby. I t css in operation only t*o uinutes of tb * .tis* covo'red Xy tne t e s t, but a*y bars contributed aaevhat Ui tb* oust count, a * , strip* deliverJ l'ress tbs s l i t t e r to the griauer arc scuesbot ous^r* J&* t u t laaicatea S,KX),000 particles-ox oust pc.- eubie foot oi a ir . - rin iu tia g c lu u h racing rixvgs to tb it ao ts. 6*pt, 15. I j / l / i S . 5t20 to 6:.5t - 8tl2 to 9tS{ liM f l.tfie' Vrly?) e*n*d ot *rktaa"o-ro*cc^hio*.*(ioul" r JT^V ' Bue inspector sorting a t tbs o u tle t Onte ras a u rv ft oi approxJJsauiy So :evt per .in u u trea w e t to * w t. i b i occhine i : s is iitx to the one invoivuo . 1. Test /< i t i r tnclotod.and tba Ut ? lir..r .W V v i .it .v ..cape oi Uast, * i s U uss only p o rt of Us. tb * . Si'v.. : 1839 GM Study.max JEL 00005 i l i ? HrCica. SU d iri Papa /c inland ilfg. W rliiz z 'faur f - j t n sen vero '-eraing in to** t i s i c a / entsalo.^ eU^ut 20 f t -i ; '.t? l i t c h in o . . /.I. ' * 2h* brake lin in g a l i i t e r and the g rtn u rr used Jur tb- ago* or the clu tch ; mingi h a r t not in use d u r iti the Uuc covere* ry the. te a t. 5k'* T -U lt inuicates l, ,0 0 0 parU l*c m uur; pur c u tis foot enu i . J w lliigrm * ;r ic t pr 10 c u tir otara oi' a i r . . Tlr e-oust o: cas, cosiiaered in coajunc- ti t!* d irection of the d r a f t, sag..*-la tne*. ur> veu'tiletioo o f t i c .unh- he a ir ao t oc aoequalc. There- i r a p c s r i tU it y , muover, ibui i t any reprom at a i t iiiiooga f r e t ti surface of tne facings a* they to ra dandled by tbu bsssec*cr. TEST 6. 1SBS.T05 and t l t t ' (.`loaning groover. In clu tch Jacin ta. Blag. 11. Pept. 16. l i / i / f d s5c to 9s0 p^e --- T ' ** takas c t toe snoulutr a;' tne g ir l .-o.Ling uhc groove. In clutch facings fcy aeons of a f i l e . Sha as locai-ta in me a itle r/iy re s t oi` the grinder ilrrclved ih Test /S . The p-iwacr, however, tan net uvru uuring tin s t a r t . The Irak * ><*** s l i t t e r asa rlnuer ver s a l un .uso. Tne c r i i ! prette* crass the X irie ear is operation. The oporator of one of the a r i l i procrea user sc a ir je t jja rio jic e ily ana ay have contribuir* to tua u .a t on* ieau iu m . in th is t e s t. id understand that t i l s Is a f u l l lin e job. throo s m ite . &: ' ' k d ra ft of appronisateiy 50 fe e t per coving :r m east to bast. ,v The te s t in h iestes 4,130,000 p a r t i d o r . . . a t pe.` cubic foot of d r and 5. l i l i ' rm r of lead per 13 rei.'.' *oier* o f d r . Trdc mount wf oust pprocahsu the peraissihle l i c i t , and the lead exceeds us* p o ru ^ sld e ii_ u t. Peratpa the filin g operstioos craid he perfor-ied ovvr a a n a li grating s e t i s the top of the t a i I t . The grating could be connected to the eunaust fan v ia su itable duct cric. 5$. , , . . TEST f t , SL.rO f uut LSXa . "Flap saadng" iasio c ana out/ic# o i ^ i o; c i-tcn facings. . , Blag. 11. l* p t. 1C. V L/i/Zi jtZC to i:* 0 The'-saaple cas taken a t the shoulder of tue aptr u ta r o. tne uscitine located near ' t i * and of the tixlav*y uontioseu in connection d t* . te: t r t i , fC , ass *8. ''double eadeo polishing lathe in equipped UL vjjc-1s tu t by attaching s trip s fif,.M ary c lo th to su ita b le bub. Ilio tor-> -*:lsp bonding" in an opt description afvthe operation aad equipment. Tur lu tto is e,uippc- with tw custtucry siuwt Jectal hoods. Tlw hood ever tlu; risoci tu o i : t r tne inulUo ca .* uad bet-o opened t p p e r u i t access. Tba flap* se t as eantrlfugu* fans and overiiuiLa the in tended g r& o c of tbe exhaust cuci*. The opwr-ttr* t ct:u:ig i* bloca tlg h y against xl> bo^y and lugs. Toare is a vury n o liu v a tit vhcapu o f duct. jSf uaderstand t t t t too achine in in uat j.y jt fivt- m u - . pr, a u ift. indicates E0,ul,'uZ partiuicih *.< w av p-.r c -tic . o t usu 3.6 u iliig rtu s i f ioibd per 13 euhlc .voters u d r . IhcPu ci,i,cej;-aVi*cvs iu*e outly in excess of 1939 GM Study.max JEL 00006 >r.'-2rC i * '5 U s ii * h<t /: Xalt g . S ir ic i , k . * l ie p c ra is s itl* l i c i t * . P v h e p i tb* eci;*; of u * lacia. eouii b fin ish ed in f t other u se r* f tr s s p f t #tT'".iy r i t a rsasrueui le* euuid be tsc lo sec uort cccp leu lj si ventilated adequately. * vrt ltt,, rillia elutsh tieiA6. BIsg. 11. e p t. 16. H /L /S 3 , l t 24 v lus Se Tbt scapi MJ uJcea a t the suouiacr e: the g ir i opration a tir ili p rest cr U u te r i? tini of the a i i l e n p . 1 - et u r n ia s l le loeateb boa'. 6" fre-j the d r ill ai has a ia w rd fie of apprcie* te ly 303 ;'M t per a in u ta . pat {eecral d r a f t la lie v ic ia it? v u absut SO f u t i per s ls u te est te uest. s^.- Ce a sd e rru sd i l ! ib is is a f u l l - t is job. l a t i r j e t i s ued p eriodica!!? f e r rtcovin c lip s acd c . t t i r e j t ic u b i of il xachina. I l *ay be r-spoaxible f e r a u si s i the c o a ta a isa tic a fouad. TU te si indicate* 7,030,000 par-teie of oust por cable l'oot t a i 1.7 a i l i i f n x j of l o t i per 13 cubie ueter* o i r . Praspa t vaoxu cleaaer esula be uhetituted for th ir je t. ^ 5 7 9. 155SST0S S littin g b rtk t 1si s ls lc i.-.ls s i r i p i . ' = Bld. 11. Oept. 1 ' ii/l/s V . 11:w t o ^ l l t s l . Ib* sts p ir vas ta le n t i the l e f t shan]ser a: tbe o p tre to r o! the sachase wuicb ' s i i t s the -alabe o f fer*x* lin io s s t u r i t l (3" x n) ic io i trip e (l-y< x 1 1 '). l i l a i* sccoaplisted i? ng of ta la ri las wncoi* aounu oa * baft. The *rfrtne L esclaud aud coaoec ted tu u t u u n fn vi tvc verad stls. Oo t T Kiail i* loca t oo *t the o u tle t of the chine u th* o th er 1 the ia l o t. S in la t i i a i l o t 1-1/2 "* M ". The t e r s in il i s located un*rptb toa prouea e in * r d fio of approciiately 1003 f t c l por i ute turougi; the Slot vhea &e ' Xleh i* l a place . The <lb, besever, in u rfe re * v it the fio tfcrough the upper p * rt o f the a lo t, ana * ver? nstieeabl* eaeape uf jt oscuro ech tne r )h . W * ( the heels. ' lee ruertlone jo* U o ffred: (> 7net the oust ork be divido %> m at p e rt ut tnc v e r.til tie a is ; tabea free the upper p ert :: tas jactan*. (b) x s o ft robber s tr ip be in iia lle d it. lU upper p a rt c: Uu r io t sc. : i t f i l l s b u space obov tr, s i t s . (u risf the te s ; ta e rt iss s to vest. pprsucaveo/ ito t pe: The t.`^.er,*s r . n ^ r -as u. ope r*, .iv . .-.."i:... \:.j v s*. U t prosubey <jc r..t con tribute Liporti-v.iy v- t.u. u s tii.o u i.-^t c v .^ tiv t. 1939 GM Study.max JEL 0000 frfiio a a Stulo ** U U ad d i * U rU io c 4U u t lafurued th at eacr.ia* su iv -ily .rtu.r tfc.i opuriorr ( I m i #4) so-i the et* C - J t 13). --- ;> txcsss et tae p u iu iro tt.i * isit. i,-h` : ' Jb u n iso lia te ZT.CXXJ, 130 p -rU d i-t ot i l <jmu atout S per i s i i i . E< ilxo rua ti* ciu-uerio* uuzrln* a.; uvura.t uxpoi-i.-* jcocsfcot ia uuot per cuci; i'to t c: a ir. ' ' iy . Ue'i, r.i,.Jhm2fc asiaC orsxv lisiA i Strip* to leofit::. ?5 1 4 ;. 21 ie p t. 16. 21/1/5S. 2:*S te ltoO, olauJ le .laute tatc rru p tlu a . > ' ' rTim M*yi f n t u o a u t tl* xlioulder 0; tilt- 'jpertuor ot' u < jae i as, uhici: Ix fcaoee u > se*. Hot ver, U cu ttin g tool ao tco ily i* Una a trso lro sooel. Tber r a t ae motszirublc d n S t La ih* v i d e i sy a t io t i t e oi' th t e s t. ,h*-o id io * le qulppud a it xi*su*t suso* u lti. terminala la Xw tablc *uar th i.x- ` <;; -iht tialsJsaoxe criao er (Test /<] iau In ode tuta oey tri, emjtrlbutod fw^cvbat to :tbo oust fouod. then. tea borevvi e viothlu cuetpc of Just o: esoio frc a t ^ . 'tarot' Ti s tr ip s , so t-*y Uavi. tho rlaii'j.', uro toueohat duuty. , .. ' . C* are iofsruod H ot tho u d ia* is uova sio-ii Z to u r: pur s h if t. ' . ; '' T b s't i r i ia iis a to s C,JOO,CXXJ p a rti eli. of uust p ir cubie lout of a ir . w' ' * * TEST /1 1 . l i B ^ TPC enti LTJJ Crlndla outer od*et o;` tlu ta a foot** d u co , fildfi. 11. iSpt. 1C. i l / V . IsO to Sin .ua* d of s vuhle tuue stood Is used f j f ti p ijp ju * . liw t*! la enclosed od il* pedala* i r c:ia*cted to uo ezaxus. far. The osotse Li lo ut* cuiy p o rt ol tl.u;. T bur t u u a r t f t oi approv 1cate}* 5^ ijt p1*: utouti ua^t s . .<est. Ths ssoplc tax tt sa u t tua o p .r.tc .-'s a to ^ i .tr . T i^ to e t ia<ie<tt*a 1 ,5-DO,000 purtlclvt. e; vuut p^r calne :oot uno O.d o l ll lr r s o i ef Irsd per 10 cubie ticu:rs of a lr . i dixtox dry In ce si .-.. i. ftrrin-TPr, uo^potttua. ZLxaeoest of ui .'ics Builutiu. iK.rt. ...; i . / i / . j . eiU.* to ul26 Tor u b e sto s od o t .r dry tu jre Jlc at.- J1. o l i ... u ia tr iie ita . s i r U ; ; r e . portatiti* te t i . Uuwcnt cp u rt . i. (iv . . , ..#>* inp^isileato eru od v. ti. .. .tr*f<riwO ... tn. :iu ar xuvv.. tuo J.x .Tc*X losstitA ix siisiv.*!, tru e; k*..i u t fu . j.-,. LtmlLiiM u. ine rooi. tu , 1939 GM Study.max IEL OOOOS iir ttrziiii* Studici t J fuiani */; i.io e r i i r i l i ba an i. lU d tsrouci. pe;.!.%;: . v. i.u..r puri 01* ti* p a rtiti or.. I t ;nppear* p riitnt for tu* **" ts et.'. i li ;:t ci respirators after tne .ini tal- `'l i t i c a of ti l 'u , The aelosurt. aji-i - ,, iur. u y U xpwctua te prevent tao prwad s:' duct te gU r p e r of w.- t . eia tu '. proWtbly r ii * not coor.titute r s f f le i a e t protection to r tie tu - l t : u Um: '.:iciourc. T. Saisoa** sta te d i u l the F a ir f ie ld ix e r m to bese-junt b a n d e s 2 fi**-4 *1 d u r ia i tii* f i r s t s h i f t *au one b ats.. ..'-VI too cons. . Tm 'contact* ot Uw ixor ar w ptiw a, vik kind openiu* uu t 1 bottuu, ir.ts beso* bolding 10Qf each. About 20 uisutvc l.T u ^ u irW :o r isourain* asu be-teb.. On tsc ocnaaioa of t tie te s t, v r, .-.ppiy u- m tfiia r bo* * u laa-io-juau, itad about h alf of tie catch as disuMuTtCu into u atct-A te tc to* j trensiurwd to fib re carvono. t b i t u rtra handling tnc eu.caatruv.un of nuot. Two aen r* ***n-**`-T`f >r:C tiw ci-usr. Ost a- usisi; a re s p ira to r. Tbi too uoric to c a ta e r aaa appear to a* expos* te bio. sto.- ccneantruuoc o; Oust. In order to r a t 100 of tre s ix tur ia to t i c box!, i t i s aec.s**ry fo r tie sea to ^>.v ; r i t i tr x ir bunas. Tbi brings tc -.ir fa.-ca ta lir eloM prr. i tu i.t7 c ita tie aosreo of tie it. j ri-'-- w*. in a ta iltd unovc.- tie opening i s tb* six e r, and rc-ao** :p ert or tb* dust. l i e ts r a in s l i s en x 20", and tba ra t of a ir flow varied fro -2$0 to 00 .'h i p tr s in u te . ` ^, 2S*" isoediate v icin ity of tb r vizor i t used' fur storage.. foe nearest _u*n TCblarIy eupld7d in the v ic in ity ser a to u t 25 t * t l s ta y . Innj o v i a l trucks j h frequently through tie aislenay beside tie s ix e r. ^ yvT- irxr*. e t tie *<< c:` the u s t us variabl in ru is a.vi d ir c tio s. f b e ' u s t indicates 25,000,000 p e rtic l j of oust p ar cubic foot of a ir. Because e f ` !tbe i n u s a i t t a a t netur* o f the xpesure, ts ic does not appear to c< v*ry serious. iX i s prudent, of course, f o r tb ms to us r e s p ira to rs . I t also is desirable .. th a t to dust s o t be pencitteU to uccumulate too xteneively, specially in tb aisle*?' here i t would be disturbed and d istrib u te d ay the trucks. 1939 GM Study.max JEL 00009