Document g2NGNEbaL0wMqjJDeLz4D4NZ9

, ir; W7 /Y^cb-.'aJ F~> )e, Tll/' DICOSTSTACi BXCISMS FOOXSttVXas JF AtfEAXCl, ESC. /Vy^ 1941 In-Ju* trial ti/^ionu foundation of l:rica, Inc. fly_____ John f. Hcttahon Jaa*iarf 2iractor JHM33017 INOU4TMIAL, HVOIENC FOUNQaTION Of AMERICA, INC. ESTOfZ of ff;7Xtlar^;nT 2UIT SlEYIT tar juisassca thttm cs.txt.a2S Xuae, l>i7 0 B I 2 C T 07 X5T;j?IQ;TIQg ' Thf projort tea a prnllnlnury Inraatiiatica of t* sabertooth pmhliti la tastUs plaat* of aeobern of tbs /abate* Textile Inatituta, *itfc the is*- sedtate object of daflaiac tB* upadfle nature and the ca^situd* of the problt. la ell it* ;Bum Trow, each a, daflattlaa+ tia ohoraotcr of a loa&>tezsi pro- Ject aoold be- outllnaU* la ordUclaol ohJootlTS of scat laoedlat* isparlors* eea to faailttatc the axetenge of iafamatioa b*tT*i'awwB*r oanpaoloo o a oua-- coaefol aethod* of Obmt aoetrot cud otbandao to praoote eaaxol teprarraBont la tUrt Hold. flOBKAar The tatu upon *M.oh tMi repos*! is based en QbWiaed aa visits* the part three to oil pleat* of Zoatltube naabera (except one, mts vi^ed the visit poatponad to a l*to? lists) COsplot* eooporatloa xm* artondad t% n pleats* Z>r C* 21ohard tfcl&er, Uedionl Director of Industrial Syr.lane Toejoiatlaa* participated is 7l*lta to throo pleats mad la derelopcent at X2m *edIsel aeoaepta of this, report* The pro hi** la see* to b* orapoeed of three aspects eULsh are 11 a- susaad la throe sections of the report aad asasarlxod herewith, u xSfCZHTCZCXi, resca., mA, Ttsync. NOUSTBUL HVOKN* TOUNOAT1QN Or AMCRICA. INC graUatnary &wt Smrraj tar jUbeatoa foxtila laatLVuto, ?uao, 1047 z *iortii>nleL.~l. setbod* wcto xoou. La ljo La on* or *ra plaat* v2do& aff--tad parsetioul last oonfcrol La all operation*, brla^^Lo.? do*6 oonaamratlaxu iamn. to ftra Billion or lower wltfe ana or tuo oraoptiana, It La pmgowt prop*-- ArmI dotnilod d--axlpiloa* of the-- aotboda for itsmw a! distilRation to amban of Aobosrto* Taxtil* Institute. gSBfalUga cf..r5rtan> -- 0l7 *1TM plant* bm hod *07 oUnL a-ray aurrvya at aoplorwMt* In tba-otbara, %barafar*, tbaro la a iozicu* lack of lafOBsrtlon a* to tho latodosao of aabaotoala* Tho lack la -- aorloo*, Li a Sanaa, b--au-- la. Boat of tho-- plant* so oonpansahlo on-- of a at--tool* 2xrro ouuuriud to dmw ettaatioa of top lamngaaaot to to problaci* CUU tba fiadlaal <uny aondaotod. by oao plant r--tly aha-- only about tbr-- por ooat of tb oaployo-- totk aabavtoala, tto other plant* appear to br about 2C per o--l of thair iiiploy-- a offactod* godlsal anp--Tinian of ooxacara in. tizta Laduatry i* of ixtooot pertan-- for tbo prot--tt<ro of both --play-- oai asQloyaar, not to nmtioa othar 0000! dag* tion TlayaAgt, It la rtrooely roo--adod that aaeh plan! Loot! tut# s pitHucna of itodj--'l and x*my grreimtiana of all aapoaod roikara on aorly as prsaHoisl* rttrrlaftl TpyV.^g fr^fls -- *S **&** poraUolhl* ivatL- aoaf far --at-- l* --only token to bo flra r.Ullwi partial-- pr coble foot. Tbla rapraaunto 2--4 Mtatru--at In tbo dual oontioL pro^nau It la --pbcal-od, banmr, tfei (tost oUnlsatiom to this axtast dooa not poaltlTaly Inauro that no oobootaal* toll donalop la -os-- ^itan aftnr a Ion?, -nikla?. lift (-jr-tar than C~aa years). Stooatlfla orridasoa la obacura on tMn point. It la roiWTiii mlart, tha--fbr*, tbit utudiaa bo initiated xLsod -O tlnralop unofcttor r ,'r INOUHTBIAW HVCIINC FOUNDATION OI AMKRICA. INC. ProULaiXJury Dout Ucrrar for Asb<w*a Textile lostllvto, Juaa, 13<4T TBrOatlefc, Wwioa 1% Lb Jugsort(l tiu t ^Iuol oaa-iral hmixn itto aiiiloa is At`ia<A<) provost Uoj t oounrfc aothoda 3&7 not provriT- ti gTwIniR^ borerd. A dotoUUnl onBBcr of nKTOTTiaatartlan* for a loce-fcosa Izrturtlettam. lx ,'i'rca at tbo ul of t2da r*rrt t inouthi*l HvaieNC foundation or amirica. inc. Prxllalsagy 3jt Survey fbr Aobeertoo ?nxtile Institute, 2ran, 1S47 4. i - Qia;nigii rasssrr Jtxrgi a? saar cokscl PraotLoolly all pleat* vlolted bTe bad oaa or aore foot eoosk nc-teya aodo of tbol? operation* ead tbuo data *ar* railahle for tb* prauact trtudjr. Ia addition. a Taw firnyilun *mrw tetaa by tbo l^raMtl^atur la sort plnato* 3booo record* sore toadied and a raaa* ot ooacontrations Judged to be aoat repreeeoxatl'r* soXeeted far tie <*-**~*-ry ^rea la Table X* 'Jboro ralatiTO* ly extarec* tpJLuoa appear It la ia lcdloatloa cX too fow data to permit closer ootlaate* Tleoroa ia tbo loot eolnsa era Mletrted to ladluate Ua nsgaltudo of readily attainable dost oanacatmtlcsa vita duet ooatrol aeaoureo so* la mirun nasi or +adad to bo aoat typical of oa operation aber* bo fipadsl dout ouafixul cm<vm uv alloyed. ., rinc apinatao Plsouoolon of Conoantgatlgaa T* vrallable duet oeont dnto far- operation* ia the preparation rooo ere td*bly variable and rsCUot tbo poorer aoeurnoy ia tnopllrg iabnresk ia operation* that cro latsmitteot nd alaeoLLonaoea la obasaater. Tbene n^uroa as*. tbaareforo* considered snob lee* roiUblo than tb*o for otter depurtaeot*. Zba figure* Ar roan, dnatlnaaa indicate tbit tltb reneooAbly tpoA aoolaaure ml exbaoet of the oaoblnM. oonsantTHtlonj. veil belrv three million nre obtainable. Halt ceVorifilly. Tver of tbo plant* vlatied exceed tbo five rl V. ? or, r All tbe data for sul orplmara exposure Indicate * -H.de Tr-rietloo. in dustlasao, "ii1 \ <y, fjoa tno to elebt aillion. mil tbo volmo of into -re not IMOUSTniAk. MYGICNC FQUNQATION AMtniCA. INC SocrmjPralila*<7 Cvat for -Mbuttu* Toxtiio Jux* 1947* 4 o ^ t 3 * c * o tt <* at r- f * - o tv mr sir ia t~ i f st r c tti >*i Q> aa oVI 3 *-H H V* 5 H Bt o i* M -a o at fr* t *7 <D e* -4 ? R <1 m CrOl 11 F< H 1 i* ii M 1 ' CC 2 1 e* r it (V c 2s 1 CV tv CV ir * j- iv cc <v - tr 1 CV l. 1 1 l"4 r .. CV -i n 4 5 ir 3 1 1 c- i cv M 2 :? tv tr l * CV cv *r 2 cv s rtr 3+ 1 H tv i" ir tr tr 1t -t 4 t r-lt i r> ci 1 CV 1 tv v 4 1 (V Vu ce 0 4 O c G la 'S . i* % c C 7! -a % TO! t- w a <3 -< a --4 --t -- O "C * eL- im .3 a a A " <Q .NOW.TW.AC HreiCMC rOUNOATION or AMCA.CA. INC. grallalsary fowt Surrojr for -iaboctoo t^z'.ila iratituco, Jtu% 1047. jraat aeoaeh to yield a good arorcGa. Coaooatx^tloaa for ting. aplasia?. Tory foaa one to flaro ntlUm elibou-.b tbm la no atranx laoloatloa la Ike enmULaalxi iota of Bftrtai dlffarisDooo boteoca thla opomtloa rood aulo aplaslng. Cbaro la a jailor rlda nrldUoa la teta for talaHate (tw to albt alllUq) bat thexo la aoaa Jostlfleatloa la tboao data for tho opinion *ldely bold thrt thia la oaa at tho daotlar opomtlosa la tho flalatdng and at tho tillL. It la hollared that ooeea&aaal yaluea la both rla>; apLrctrw rad tulatiae refleot la eon* onaea tho octyl 1 be prooedara. It tho 1spro Irpiasmr la aala tnlned JLa two loootXaa and tbore la * atmad brooieugo la that lssadlsta Ticinity, the roaoltiaic ohlpplSK dust sill ba roflsotod la tart aln^lo atcyle <-ad -ould aotT thoroforo* bo roproeoatotlto af tbs aoz&ar'a oaepotiuro. Sdatlaaaa la saavla^ opamtlone railuat* tbs uao at enter for loot cen tral la aaco plaata end oxhraat aystawa ia others. 7bo Lcrveat eoaaeatratloa* of OB* to tao nilHan obtolaed la Plant A rvflesi highly afflsioixt nt vowing aothod* there oxpLayod* Caaoaatxatlaaa loaa than fonr to flro aillion aro ~n ril \ t 'ttalaablo by looal exhaust oohortj <ia ladloeted by thu moults la amrmrmJL The drto for apoollac and windtag operatloae are lnaluriod for cocsplot- aeeo* but retfleet ntsitell irnrrrn- opemtlona aad eoadlilnao. The duot rported la oftwi due to tho effect of other aeehlaerr ia tho ><u> rexau Thooe ooooldon-- >tlona therefore rffset tho rollability of these dslw, ua la tho uaao at oyera- lions la tha yrvyemtioa I NOUaTWIAt. HVOICNC FOUNDATION OW AMCNICA. INC. PraliclnaQ* ZaMt Surrajr for labautoa Taatila Tnatituta, Juna, 1947. 7, maTLSG gggy ^Q/rTtrr^ 71* fallowing discussion of dust control procticos la tbs Industry Is mr*7 an ratlin*. To bo useful to tfcoa* who cro responsible for tha aoHla*arlae la se.ch 2loot, tbsy will nsod to be a at forth la tfe# fora of detsliarf apacificationa deaoribicg details of construction, pacification* far ihHt aiUl contractors, for porches* of faoa of propar capacity anti for dasigu and OTamtlon of ins t collaciors. ?r*sx ration Highly Tarlahla practice* prarwall in different .^lanta and tie nt;cal- linaawa character uf operations within a alalia plant nakaa it iapraetlcal to forwiaU sanj gaosral stataaants. Lwr*r, it nay b* said that rash control a* is raeliaad reaolis team the oaa of aodrs aquipwaot that is wall mcloaed end which usoally Incorporates pnousatla conveyors with celling condenser*. The larfo umaat of air lawolrad in pneuaatia transport serves- tha useful additional purpose f preventing tha aeeepe of dust fro* the ? riser7 atiUlpaanfe* alschargo of stock fra calling condensers into bias, stock, box**, or faad bopoars La a dust asnally not umler control. Tea blending oparatlon ta asothar soar** wnich la often nat satisfactorily controlled. 71 th tha exception of thaa* two samoa operations, scat of the dost control procedures required will ba unre or Laaa pacific for aaah plant. Carilnr la haa baan noted, reduction of lustiness la earning to ccccactrati:~cs of thro* *111 loo or laaa la easily attained by good ancloaura of tha Sechina and carefully designed exhaust. Moreover, axperlaoce of aawaral coo,;aaLoa inouti*l. hyoiinc i'oumoation or America, inc Preliaiaary East Carrey or Jiatitw Seattle Institute, Juae 19*T prows Usrt l't da-- oa% interfere seriously uttb amufaoturtbx operations *oor -lib ralitsr of rvriac pcortneaA. Our israatt^attoss ladlaate tbe eopeatlu? advsiituaee of baring side* tolls at tbe eaolaasra tood ta fbeiliiute osaU elaomoa by rubblsn oastoot rt list edge at tba cain cylinder, thus avoiding cxaeoeira uir Infiltration at tbsi paint. bod wm lr tte adrcntass af reolatonso to ctusUoc, ifcioh ed evident Is isatalLntleas 'jdtb a beet satal carers. Cwmectiaa qcf tbs enclosure to ibe ashacst ajtttaa by seems at cb*sb of ample tiiutonot l*e, Isnse exooa-eootional at-- is at aoJar Isportance to avoid looell/ed bljx uir relocltlea eloao to tfc* webbing in tbo aain cyliadar. Kda esteLL van oat olcuayn observed* Xa Tie* of *4nil -y deoroes of guaoeoH, fudged by dust counts, between 'various installations, tin beet criterion of myerior do.'Ti0n s to details ot etboost (Ten the --afen* --a in Xbe rwlatiTe eeoscoy Trulun* of air exhausted per oaa&law* Qur oboerratioas ladlcBvtetl ratber octniae TorLatioiia as iodisated, la tbe follatdnc table of ozb&ust mtes par eerdLn set xa five rnpreeeatatire plants* ELul Air grhneated Por Cot A 1200- ox B 3200 qX 2 3900 cQa Q MOO at 2 SCC0 ab It is rtppaxeot tran ibis Lmrsti^Uoa tbit 200O-,?00G ctx par set * of breaker nsd finisher ouris is aspis exhaust onpcaity if tb* system is unrperly designed* 1. NOU5TWIAI. HYOIBNC ^OUNOATlON Of AMERICA. INC. Pmj Irrlivn4a7tr Dust Sunroor Aar Asbestos Isxtllo Institute, 0 AIL fira it ttn sjrr.ttfui described la tha table srro teal? po:*poio *AtaAurtortIy Caen ths rlevpoiss of operation. but it toft* Art oiu that they *>uld a* equally satlnfeotoxy to others. XJaao tho plsst dtl tl^h ex haust capacity (c) taus a unique interplead turmal ooaaactLou, no \2r.X axoeoa boot Cm naottsr r1 J,t* cappliaa rspluctMui air Tttboiri added soot, tot aubt 3r adntar dlyxicttforl* Plant 21 "*"****"* just by eanplotaly hsuaiisc oco)i *'tir or sards la a lpwniaus room, exhausted at a mt* of 2QC0 ote* hidtmalls are oaslL/ roaoT- 4 farrspalrs* Host plants xould not prefer this omoraoirt* As fur as tie dust oocah data sea abo; ths onrd rocn of Pleat 3 uith 2200 5e is equal IT sat sc^orlo? to tbit of Plant 3 *ila 3800 ofSi. s reeeaxtly lastailed 7stoi> The ruadoseoSttl features of bast onrd diat aogtial ^ratuaa obsarrad nra as fbllocsi L boud aaolosuru '1th hlssslas uzsaiiaMat* Z liberal sloun&ao bertaoea soricsr rolls end curre at norar pesadttiac *ir passae* *t lo** valoolty* 3* laxste ohacber ooansotloa on coror, to dust* 4. Duct braoh not oror 2*, preferably 4* . 5. 3a blest ,iats damper* la branch lias. 6 Xxbscst lafltuaae oresr coabf either 2>7 extension of ntift senrar or by separata 5oo4o. ^ T. febaiwrt space under aashina. net over 4* duct. e d* X&alosurs and eKbeast of foad bopper, not otw 4" dust. tTKt Installs tlono lnolude a exhaust crrjaeh to preterit the oaecpo at lust ori.-'lsvitlac la tbs space between tbs rinn daffarw end the sain erlladec*. INOUATAIAt. HVGIINC FOUNDATION OF AMIRICA. INC. PyUninatT Sis* Swvqr fsr Asboataa Taxtlla Institute, JtM, 1947 3iAff4g& Qa plant baa latit*II nA Tootil&iloa Tor tbsLr rlan spins! ag fmeoa Think aaongomaafr bollovoa 2bui mrinood dual la ibis oparatiaxu It oonsiata La a Mtiao at axbnarL apaaistio isuiar tho fm, &u*r too Hoar, ruanlsg tha ioactb oT msh firing, SLaa did sot poasit tlarroaartgatlag to our ooa so.tiaraatLoa ubstbsr a aoasumhla LuproTtasafc heul b--m efTostod jr not* This sfasald bo dcas bjr * a1m of durk aosaurmaat* wltb sxlauua* oa and off. Tbs toIuoo of sir orbsraat 1* laautflalact to of*ai a tr local *x fcsust sotioa, tad. if it la offootiTo 11 scat, thorofbro, bo oa offoct of alaglo dilution* TaigUsf. Iatoreot la coatzol o* duct &o tui^rtooro la oidoapxefcd la tha imlao- trj and Plants A *cd 3 kra iaatallsd an axiiaaat ?jota Ilia* ifca emo dosarlbad fas* tbs spinning firawss la 71=at A. Zam nqia tbs opamtara beliaro nsxfcod iaprorecnnt baa rosulisd* IXist oatsxt data la assdsrt that will aoseuro tbs <! s>gf of lupiormaat. Tladwt Co? wisdoro kTs boos vxbsuatod la Sloata A and 3 slab report* of bsasAslrl rodoatioa la hirrrtTwrtf* 3a 4o sot tars quoatltatiTo data oa this plat. Tlx rtmst *xroaaeat toor Tbstor otadoara van dcralopad ksbj jr CO *cd L> oll Vomu Cm toodsaaqr to allad.-uvtlm or tbia caohins ttoksa the Troblsa cm of littls pma tl sol. intarost no, la noat plants, dust f> atbar a^n^pumt* 3uch ns spinalng >*-"d tulstln?, wblch it* onrartrl/ *A tbs mm nca, 1 of #jro*tsr lapnrtsnas tbsn that fratt stadias oportrfciaaa. INOUdTniAt NYOICNC FOUNDATION OF AMCNtCAi INO gJoltaiaurr Btst Surrey flv Aetertuj TaortlJLft Iaatitrto, June, 134? u. Z&Z&SL Qaa plast tea a. auporier catted of aupiroccin* dust 1ft vaavla* try art aattecU and (bat eotst rveorda lattovte a ocoplrte ctTiTecciaa of dust* Zt isnlm a water teat aNoUd abort tte we; at tla nar of tte Vnw attJx. a itagteai--1 Mrcar aarnw^aiwiirt iov conoteat Donrooaa* a? tte opraj tead tseamrarsoly to tte Ttey telLara it to te acre cffcctlTO ttea tte ayrtoo ira la acrcral pleata 'mtersla tte vrp la poaiwW ovar vetted rolla* St la apparcatl7 art practical. to ratrra ar.il IOC por cart art vavrlag nswactert tte ladvatay* ttogoorcr, -am arc eatlaflod ttet It la practical to ccotzol Cast La tela oposrt&oa by local xteustT chore dz7 vomlag la coiuliktw ad layratlTTB fbr apodal paoyctioa of tte alotfc. Oao of tte tert arhsrort axrasscaanss 1 Natalia* ol exhaust opecios directly tater tte earp t tte roar of tea teraeca freac tdte c altxt oxheart opealSK carried by tte lay tern*, tte letter asaocatcd to tte rtvtleaary part of tte exteutt ayotaa* aitter hy Hexlfclo tea a arrtuainaoat or byu all octal (Snivel Joint* Tte AOtMl armeacoa* of duct acxfc and axteurt faa prui--t do unxsr-iel pxofeJUnc iterc .pod practice in 3teat aetnl fateiectioa la followed. Tm> points r of softleicat lgportm-- to ro^elrc aa^teola* SrmIaI care afaould te garniiai 1a tte fhteioatloa to tmxlA tterp projection* oa tte lcjrlda ttet ' rente palate of lod&eacct cor fiber** Uecoedly, It mutt te dcal<g*ed to pro vide nAoryaitm tnsd^rttft' velooitlee* TIm1Uh baloi ZCQQ fjo, la tte expo iwjoa of tte Ladcotzy* essf paxait oettleaeot of notarial *ui tjradoal alootl^r.* Tteroflozo* oUowi=j t aacala of *%fa1y, tte teolga should provide for vnlonltioe of 3DC0 ftm. INDUSTRIAL. MYOIKNK FOUNDATION OF AMERICA. INC. Pro!1marry font >^arr Ar ASbocrtoo Textile luttltate, Juas, 1347 Tio psohlot of dlatrlbatten at planned air flow* to the dlffamt tonokM at ti ayatat In of laporViaoo la tho loolEn of all dost bartir6 jyrtau* Tbs hh car itiaggri la brnaoisa to adjust air Looo is sralUod la tb* boot oyatoaa* Thslr rumtlaa la mStmU.es balsas# boioooa brnnnlwf la boot uttoiaod la tbo original dool^u Pujjtt prosodureo to offset tills obJaotlTa aco iwilaMn bat will aot bo nlsborotsd at this point* Bapl crtXwtea. Tiro plants la via sunoy cnploy tb* will-kmvz burlap dust bous* tor flltoriao air ftao yocloua axhauot syotano* Ho farcrod Tutorial 'Wi 1a dotocHlaad oa tbo boats of aa* sqaam foot tar ouch. sir flow at 2 e2* bbot azzmacenosta oro oaob xa ta ymtt alunlnn by mhlppisg sitlx a booboo polo or basgr ship by soa =>ko raaaln cm tbs alsoa &? aide of t'm niter alarth* la mam jyatao^ tb* aoa aro n^atrsd. to cutoar tho loot aid* far tloow las porpocso, nod al uni nr la oorrlod out oao* woofcly *itb the uoo of a eaatXBJL station nns nlonrraw ?matleo la dlffaraot plats aro Trrli.hl ao to farotnoooy mth afclab tb* barlap flltoar la Hood of Its dust load by -shippi*;* *41* tbooo durt oollootors uocfc -soil, '-to ora not praporod to r*ooo- oood. then to tbo of dob* *1 typos of flltera baTttta autnoatlg shaken* SoraaraL *uLl aoo ~1 ni aLaaaoto mtmr 1sto tlx* daalan of a duot oollMtor cyetoo* imlrtag prlaaipally a prupor sstlaats of proooxro drop La nil ol*> aaato of tbo ifwlot cod oopostally tint through tbo nitor propar (book pmwm) If tbo proooon drop aatlrsat* la. tiw flitor Is laoormrt, tb xystna *111 not open to pxtrposijfc If tbo baolo TSsi*tcco of tbo flltor, l*e, that laradlat*- ly itXmr tbo doth. Is suhjoot to n ooastaat Iostmas error period INOUaTNIAi. MVQIKNK FOUNDATION OF AMERICA, INC. Pr*11rtTscT? fast Jartar ito laboetoo Taxtlio luatitnte, Juan, 1347 IS* Tto psoblos of dlatrlbutton at planned air flaw* to tto dlffareut brmohas of tto ajrstaa 1a at taper*oaoe la tto doalea at all Oast wetooet ayKw. Tto uh of rttarpnrra la branotoa to adjvsat air Hon 1* avoided la the beat oratoao* Stair fuarttoa la offtatlcs talgnaa betaaoa tonnehair is best attained ia tbs original leal'ga* Toejga psooaduroa to afloat this abJafUtg sc* srellabLi tat tdll not bs elaborated at this point* Tire plants ia tto aurrsy toploy tto mllka3ua. burlap lurt bouas Car filtering sir tram Tsrlous azhaust ^rotena* 71s farersd filtering nrm is detendsed oa tto basis at asm square foot Car and sir tlaa at 3 atsu Itoet axrnaurwanto ore anoh. as to yratt oleoninft by shipping xith, s bastion pals or % boggy ship to n*a to raaaln oa the nlwn air side at tto Altar aleth* la oa* spates* tto sea or* required. to enter Mm last aids tor olosa- las parpocoe* aad alsnins la aarriod out ono* weekly *lth the uae of a esotarol station vsevn nlnnisnv ?raatlee la difforant pleats sre rrxL*bla aa to fragusscy sit* did the baric? altar ia frood of its Oust load hr shtppiJfc* tdila these dust sallastora. sorts sail, *4* aro not prepared to rwaw rr--* than to the exolnatoa of ossa -1 type# of Altars brains autonetie abators* Sersaral >nLt ass lTij elmeet* eater into tto dealm of a dost callgator fj-rtsn, lsvalrlas principally a proper eetlnate of pxeee\rs drop in nil ole* oaota of the jystai sad especially ttat through tbs alter proper (book pressure). If the prseaere top estimate in. tto altar is Inoorreat* tto syaton -will oat operate properly* If tto baaio reeistaooe of tto Altar, l*e that iar-sdi*t* ly ofter tto cloth* is *uhJ*ot to n ooaataot inaroaee error a period iNObaTRiAkHvoicNC TOUNOA-noN or ambbica. ihc. PraXtTilTiwTT Jom, 134T Starter ** Aabatrtoa SaxftLL* 14, U - it I D I C A L azsrc;!. y^rmg ^hd reucgcza ylani boo no-- ntrlor-- *lth a load spooiallat la mdlaloey *bo jU osployod for rtlatpwtjq wxk an an lrragdar UiU* lira bora thuix \ a i7 mmhlnoo u4 by tbs loonl epoalaUjt), but only oaa baa a *LLMtabUated. wtadnU of porjorfla ntllurtl Dcalaatlooa* Qxlf of tbs plaaia boro so cod. Urn laforsntlon aa to tbo lAsidcnea of aabaatoda- jotor tJad? iadcm. Sbo dtmtloa la tbaaa raopoeta la la* doctod la Table XZ gASLS II. ggsszsz igAcnsaa aa ?aciLmrs -p gsras. 1*2 &y TgjaTmaia^; iii' yjuaoLS k^rss *i* 4 3 MM P ._ X r Briwl X-ccqpi _S>irTT7 Hta EcrioUa X-ray To* _____ Bb 3* .................. Jfa Tea 3b T* 8 no #9 So . 3T OanT-fW Koodoo Taa ..*> . 3b . 3 a* __ 0 Ha H Taa no To* . Tea I Tte _______ 3a____________ .. 7 To* Vo Ton ^riabla liat f*o 7cra, uad milU umllabLa plnat or lta phyoldm INDUSTRIAL MVOICNC FOUNDATION OF AMERICA. INC. PrslliolsMZT Suu'fe 3usrr Star Asbastos Ttrr&LLa Inatltuto, Jmt, 1547 12, ssnuAno mcxmucs os Amwsoas Tba liwirtmn of ns&ostss&a aaooK aoplojeaa of tboso Blast* shore mplormmm w* ozmtart la tmM jaora, shoos t >&o4 nrlTtioa u lallAAU ad hr *2* fblloBisaJ float A hsa reoardod tarn dlagwaii as osbeatosia to tie *xtot of about 2D par sat oai la tha post slas ymmra tm aoKpsnsoted* oa tha aragaga , too ooaao par irrrni. Total tatUt sKplopoont about 4GC* Plant C oa. tbo Ub of a recast sTatoutlo msrrsr* astirots aabaatoals iaoidaasa to ba abort threa to faor per oan* * Pleat P rasulls tsax tax laonopleta iwty in. thlab fotr caaaa rare fauad oBsoag Vhaaa mluntaariic tar oasmantloa *ltb a total taxtUa aplsy* seat of grwuat 120 Tbay bare oagpeasa-fcad oaa ossa la about 13 pears* Three sere are peodLoc* Plant S xtb iiplfl/taoul of 300 flails fru to ala oases osaaally tbo phyaldas, bsllaTss show early diaries tkia to asbestos* , Pl^rt 7 2ms t*'?* potsaHal aosa* of aabeebods moisting la susbor Vo about 30 par oast* taapoaeblrt with Plant 1* S2e ctbsr plxort* boro oaodaotad no agrataontlo vnr *orr=7s of tbal r oua i&d baers a* laforastloa am to lnsjdseso 00004 their *plo7e* a* Haea of visa* baa bad mmea ra^eLrlss flooponsatlaa* DU* t teva so cowplote dots oa history of mploysaot =cd labor tmaanr is tba aoeorol plants, It is apparent lint tbara L*r t least avpao- fiaiAiiy, a issoJuifltaiMrr la Vbifl platcra* Also, It la clear tftot IMOU.TI.IA4. MVOIKNC FOUNDATION OF AMERICA. INC. txltaiBttr 1941 Smxny toas Aaboatna Tagilla Instltutai, 17. HSffgTTftTMB OJ FPTr^'g^ *tyn^r^r Tram-mniS Qu 9t tba mat Important oloaanta of pragma of protootlaa baalth of mwi U iut7 moopntlou la tba periodic nodical amortnation. Tba look of adaattfla infamotion regarding all upaaia of aoboatoata la aasloaa. Tbla wnrt bo nrrar igtaalaaiU Thn obvloua jraoodqra to bolp iwitaaua thia fiaCLeioas*y la to --ploy miy tool now mllalila tint *111 throw nor* LL*bt on Vba fMta Sa.lapartaM of tio pariodio rndlooL. Magr tsalaattoa oan ? tap* Wat to --pfrnalaA by atatlnc that dsat oount loraatl^atloaa eaaaot* in tba jraiiatt ototo of ka3*lada eiTO an aooaroaao *a to tbo actant of our ffuo- oooo la tho hossErd* Tkyilar onadootioaa oarro ta pratoot tba Toolbar by ijltlaa. oaolcr l& dlcntiou of baallh. iTnpalrtmt dan to <tuat nsd puoU latolUtfOg* action to bo token to TSld ftrtbar aarlooa bowlth lotorlaratloa* Tbla la partlaolaziy troo If tbr lotortloa la auly onooch aol thaoo la u programing to lata stags utMttosli. Kora layertaat ftar tba loos taa^ tba oocunalatlam of factual la fintmtloa rerdla tba bonlth atatoa of arpoood xcafccra. atatlatlonlly lataxw ^rrtod in rslatian to duatlsooa studio* tad to aaotuasloal deTolojnoula In duat control o<vtd9aant, will raottaail7 Indianto whan tba battle of acbartoda on. tnl la tolas won. Tbla popart of tba problan la alnbomtad in tho fnlloniak portion. tba lnrwnter7 prorldad by cb a nodical pragma U Jnut aa icportart to IxtoLLlgas* notion. In thla pzohlca* aa arterial lamatorlno am to tba propr NOUTmA. HYOIINC YOUNOATION qw AmCA tuc. PmUzTiacay Dul Starajr for <*b*ato* Taxtlla Icatltat*, Jew. 194? 1U 2b* qo**tlaa a* t fctfe*r a plan* ahoolil parabta* its 9va 3>-r7 'pilpaaai la *a *on*n*la on* iaralarlas cossldsxstloa *f coat of local outaid* anHoal cal B-wy frdlltt** cad of Isa* of oRploy** tin* la trarraL, crfto*. Plingrrtn ?raBl . .20 farther tb* objaatlv* ccfL laproTtocn* end uiiTbrsliy la dlagwtlo pr***dar*** a aadloal SMtloa of tb* prom*. Is proposed la tb* Am of a aSSIJrJ^ aajlBtfg'jSia 2AH2L to b* cwBrpgfri of outatasdlag aadlocl ssa la thia *1n**, sad of tb* by a&oh cccpnay a* lb* os* regionalMa far it* aadtool (tad dlagaoatla '-axsv .. 2b* ooapo*itlaa a* to ontald* aadleal pcr*a***l of this panel *oul4 bo d*t*nsiB*d by It* oOi**tlr**t tb* sawmtiling of tb* toot po--lhl* TMriinal taraiaa. oat tb* avtaal *dttoatdoa la dlac3Dtla pzotodurac tbat w froa cottons** of ciantlfl* oiporian** cad lsfajOAtlaxw Tb* pnaal aonld Boot,, partopa n*nl nmi*lly, sad o*nld*r tb* aie- adfla**** ? x-aray Ola* uad at bo? data bxc**b* to tbs 3op by tab pixrtiaipattns pbyadalaB* Brv 0* illsbard tobaar** sar-rlea* oold to- crnilabL* ror tto ascsalMtdan mod other latalla* NOUeTniAl.HVOIKNC FOUNDATION OF AMCNlCA. INC. Preliminary Sami Sene/ for Aabeeto* Textile Institute Jmr 1917 19 3IAH3T1CAL 3TTOI33 OP STOICAL ZZCQKX Skate arm tao very Important qnsstlons oettoeraiag the physiological nature of sboetaa that have net yet baaa snseered by any published iavesti(itlaat 1* Skat la the expectation of xsbeetoalj la sorters exposed acre than 15-20 years ta lav eoacantmtloae of aabaatoa duet? laoug the 500-odd sorters aba composed the subjects is the 8.3. Public Health Service study, tharv vara e^wreally fav vho had baas exposed for more than 15 Tears sad practically ame aver 00 yearn* Skeaa faate seriously affsatod the coaeluaiona that maid be drama. 2 I* there a progression t advamcod asbestos!* after exposure of am individual, ha* baaa djacntrtlTined or ha* bean redosed to very Id* 1 ovale, doe to action of daat deposits fton earlier exposure? This question is of very great importance to intelligent nodical supervision of eorfcers in these plants. -i Zt 1* virtually ssrtain that statistical Investigations of existing records sotiLd thro* valuable light on- these questions. *v Boo* of the plant* visited during this inquiry have sufficiently aztsnsive and systems tis reeerde to provide satisfactory ansvers to these questions, bet the medical department.of Uetropolitan Life Insurance Company, MUr Cr. JUJ. Lease, have u-reya ef * number of een obtained is the early 0 1910*s ** eoaLd provide the aaaleus of some useful infonantian, depending ea bo* many of the original groep are available for re-m-cey. NOUaTKIAl HVOICNC FOUNDATION OF AMERICA. INC. iProllzla&ry Boat lauyay tar labostoa Scctlla XsstiixSo, Juan, LM7 Th oast outat%a<Unc stars or .Lzfis ia tbo roeardo af too SiTiJdaa of Iciiurorial Xfyvle&a af tbs J*artA CotsUss Docrrteent of 3oaltb !, la oroTTfnCTQ nitb stato 1am 2r ^anjcA Barbara JLs tiia, and other dusty Isd^trlosy al&ost ftanall/ for tL post ID touts. A study of tboco rwwrdo nsuld mdoufetodly s**t xucb ll^.'^t on. tbs -ssatiaa c yrocroaoion* Tbrwuib nfn<niia of tbs ooaqptsxj oaoboro in iixrth Coralinn, = already boro usrmtCM of thadT full ooopemiioo. la any Lssroirtl^atieaa, and although so Lotto sat dlsoassod tbs ssttor *itb (but dlrootly ** ut dotal 1 a tJwrs is Tr7 roasoa to auEyoao tint tbs dsoircd laforrurtton wild. bo soda omllnblo to os far tbo purposes dsooxibed* Zn. additicoy a aeoarnl s-jray cad xodiaul avrrar of Tartars in on* or tso jlaata rltb a lose History of &h ardor of dust control soulA bo of sroot Tnlsa far this parpoooo HVOICNCNOUSTAIAl. 1-OUNOAT.ON Or AMMICA. INC. PysUaiMury Gnat Surrey for .`Ubnstaa %xtlls IsattVofro, /qu, 13<7 rrc - JgifaiG&X. arcamc/aa a? itjst coura Qxxlstlcm trtnia dorslopMB* of asbestosls acd mobs jvortiasot 2ft8ur of dootlTB-- ** 4ttt csst* oon bo dovoilapsd by periodically ob- aarctaa s4 rocordiac d*is Jt botb. u^wit foriodla nodical saasniBatistta t o orposod norSara tsgstbs* oitb tbs- psrtodisolly noumnd dust ccpasar* of ob- Bneovor* bo sssfal far ywotlw pwryosoc* tbson pxooodsrso bar* * b satsalsd IxSo tbo post totw dots la cvttH*bl* Thla sob tbs prooodera ca*ploysd la %bs stutto* of tbo U*3 Pabllo Utrtlib Ssrrtoo la 3brta Carolina plaits C?\fells iSoolth SallstdaSs* Ml* 1933}* Sbs Bait nbo of dost wt la-oobsslon floats is to obtain data on dtat llll'Hll1a^ ill jus th>t a* bo coajpured tdiU that a*udy .nail tJain lsod to xsfllttaloao a* to probability of dsroloposat of aabsstoalo la tbs pnrU.91d.a7 jlaat balag stadlsd* Za that atody* b&rUaoss of dlfforaat ooenpotboas ana aoound la tbo uanal anaaor, ui tbo lnrt dates of ssbsstosi* by iwwlloal -md s-my rr*3ia*tlcm of tfa* noo oKpLoysd* A. ctatlatloul MKpMlaoa of Uo tvo osto of data lad tbo IsrsstlaKtoro to tbs ossslnalatt that boo oassa of osbostoda otmld probably sot mv LT dost oontraL twoimtss wars aabrtitb.a to auto tut do dost oaposom# asaosdod Ato nllllaa partial** ;r oablo foot (asiscrsd is tbs sum asanir) INOUBTBIAL HVOICN6 FOUNDATION OF AMERICA, INC. ?nilalsa27 Duat AirvHqr fbr Asbevtoe 'foxtile Institute, Jssot 1347 x&n&z&L, ay agaass ax? a^ru) fisriisi reached a degree of dost ouatrol rsprodoatetl ter tba dat eotat llslt of are nil'! Ion, It la thaa proper to cufcJ "Shat 4eeroo of easanset la afSardad bj oxlstls* kauarlodga tint asbootoola dll aot, la fact, develop la tbs future If daiatiaaaa is kept bolxya that larr^2'* XT tfcare stre factors, at joreoeot TUikmaa, tint rill lallanreo a need for atilL better oust oootzol, efcat will that Halt ba? Tbs isforaotlon smlLr.ble does sot pitssit oocplata caaareace that five alUln la thorou^hl? sofa nor baa lajonantloa beaa developed pexsittiss u tatter natlsat* of ee duetIrene, Zt la norartbttLMM of tbo ^rsatcet lxrportoaoe either tbs* attab aaauraeoea Vs aougbt or a saw yardstick of aqcqap.llr.haeat be feusd far .-teiroratalcr aeasurlsg aay malalR& baoard la the duet au bolou fire r<n tnn for the ollnlsatian of future oabeatoala depends upon the degree of ooirfriol Cfacted sow. Q-i of uznarmlzxty as to applylx; preseat coarsntlasml diut aoeotlag teabilqase so tbe soaaureeeaft of asbeatoa duat har-erda below tea Clto i n n* Loral La amsarlzed la tbe xueatloa -- oro the fibers of nabeetoa tbs simarti T* ueat or the ocuwfltarou* *vubi=L* partial** that Look like tlose of other laduatrlal duets? 0The aoo-flbroua parti olao la Boat textile opara-cloa* wnprlae 30>30 per seat of the total dust sea ls >la*t oesatistc* VhHe It la prorea ttwt nebeeto* duo* la the ermae of aaban So da, than is no oertela lafairantloa as to chat ahrp* or al.'a of luart la the o^xkiUts factor. Tb* aarml\la wtodee of the 9,3, jfSiullo Health, ierrioa iimouarmac mvoicnc foundation of amsrica. inc. Pralialssrr EUi Zwmr tor Aobostoa ToxtUs lasUtuto, Juao* U47 oayiartA ocarmtloadL dost count tocinliUoo ofaich, la effort. ralutod taoiileujo of aobontooi* to tha oustHMr of ooa-flSxaao jnrtislos at o;.o magiac Sroa oaz to SIto or ID aiorou* Ias iUootrstloa, ouppoa* tho oamtlTS dost wl'anrrt la ooaotliLaG difforart, ot{*, flbora Uat r 1ms ihoa SO-A aioroos lcax, aud ios* toon 1--- oioraao la &v*tor* fit* eoaxaxrtlo&al dust aouat uotioi would bo satis factory paly Lf tharo norm it f-ilsiy csnotart ratio bottoms. tbo tso typoo art dust; It could,, la tbut obm, prerldo sa dAjuat ladurc, 4-arr tltndloa on cpn^pff ff Apbootoo Dual Slth. a Ttanr to tmivstl donralapamit of sqrpl<Bmtniy norttod* for Baoaarlag astoostoo dart oonsaatrations oa a w>tsh* baals > brrn asadastod men pr*li3a/my utndloa dlrsotod to th* cnlorjaatxlg dotoralaatioa of total sllloa la tbo slaato ixsaatitia* of aabovtoa huxt obtained la a *7*>ial ntooojhcrlu KapU TUs requlr** dvrolopsoat ulnco It ootid pronrid* o Taluabio tool tor furthor usrosllcntioa- -ub-ilorocgptda rartldoa tad flaxes. Aaatbnr of tho dual ewetlaatioa prohl'jK oa -hich grULax.a*r7 .tor* too boon doa larolTod jrtodLeo with the aloetron atonocopc* :o**id tfa* too fallows ivmmtLunmt 1 Ordinary duo* partial**, on* to tZeom al^ron* La dlcatrior, oc=- priA* udt of tto partial** la lha last oouat. Shay loo* liiw ordlasry La- duotrial duct tad j* rtTtr to tiwn as cubical* as diatlasaiahod frao flbrou.:" portliiMt 7to ;umUm lot sn thuc partial *0 la fiet aaa-dhn^ia or *iro they buadloo of flbarm? INOUTM<*U MVOIBNC FOUNDATION OF AMERICA. INC. Pr*Hgitry Amt ^urrsy tar Asbostoa Tariiio Xautltuto, Jwo, l>t? 2* Sanmajfly -- tinea iba Unit of raaaLitioa or tin eiarooeopa laaaaa tsrod la aal coasting doss aot poaxii partloloa 7qr a. oh .'gallnr than on# sicron, ooa nay aofc IT thara axa nosy fibers of <pmTt lath, bat of aunh .nail width that thny rs lnrtalhl*'' flesploa af R-taoopbarla dost ran obtained far ozoolnatlaa by tha olaatroo aioxaaeops, tay notating tbs mall apooiwa alida usad -aith this lastraBsnt, la tba 4t ooLLastlna 'oes of tin oLoutrla prseipitatar* Is ardor to sllrelnnf Tory 1srga flbow, tbs dr bairs aasplod m cassod M pass first through iam spiral soutsrt slth adhoatro an its interior. Tlrtn subjected tba dust particles to eaattlfasal fhroa sad tbs lnxzoot osso uuald bs pro* dpltatad o, sash a* they sight ba la tbs noosl passages of nan. Stadias vith, otbar ladustrtnl dusts aaployisg this spiral islioata that iy rarely do ouhtonl psrtiolss largsr than. tbrsa to flTs alarms sno* oasd La passing through tbs aerrsrsl tarns of tbs spiral. Xa osaplse obtdsad with thla apparatus in card rood baring a d last control, >.o obtolsad pictures, soaa of vbiab. r roprodaasd in tbs altschad Tlpjra. r>*T d--oastrata first, Shr.t tbo eabdnal pnrtielo* oaaa by a low power UciTfrcil Iirsatnra or* 1a fdst baarflaa of fiber rases bling a Ufa. sl. a handful of portisily opansd fibers. En ylatars fwthar doaosatrated that thsrs srs asny Clbesm of oc&- stdoniblo 1 *"{1*^1 oooo folly 30 alorema, vinca other dlpagalon Is only a tmetioa of o siownj tha fiber La tharafors lsrlsibls In tbs duat ooarsiap micro eoops. .INOUaTFIAC NYOliNt roUNOATION OF AMERICA INC. Pjtil tal rjir7 Aurt ust/ fbr Acbootoo Taartilo lAatittztt Xaaa 13^7 Ca* alas obowod saaoAbor* a. Dm alaroas la lanotii ?laa dl^rtor Ls csly 0*01-0.03 aAcroao, altboa^h tin cecsawafft porticlaa era trodloa of Aion about 0*1 aloroa la *ldtW Za adtllkloa (a tb* Ubft tboa* oboaxmtlooa ttaow oa tbo oab- alocoooopa dfesnetur of* cnbartoa dost, tbs? cltod ta lallaato tin otiior tguOltl#* tint rigit bo portiaoct so ovoloatlca of dot spozrov to oupplo* mt tb* dost aartsxt tochntquo bow la ast. ^ INOU9TFMAU HrOIENC roUNOATION Or AMERICA, INC. Pmllr.trwxy Dun* Lvrfrj ffcr Aobosto* Tostilu Ies Citato, JlXtL', iao gczsc:.*? susrms o? jspcs Xa laronttgatioas ot tbo typa baiao preooatly considered, a prlnary als aunt bo Co dovalop laprcmatoota la control zth tbo alniscs of 'soata aotiaa ami aapesslvo axporiaoatatlon on a plant scale.' At tbs stage of derolapoon* of t industry, oameoa of dust nro Tory often sot obvious* An xcDlsatlom of dust awal records cads enrolls bio to us, r--* with tbo fora tawts wo parfbaaod ocraaiTwa, prwrido smorous instances of Tsrlstlca, the Gaskin of 14oh is not apparent. To undertook roesatly to noosur# the mount of lust in ths rcrine of diffaswai nonufstoturtera by suspending a coowcod --imatt*7 of rurriac la alcohol/ thou aaictsg a dost count in the aw* snsaor as -eitb. oir Krtglao* Tie result rould bo stpreased in ailUmts of particles par yard of xoria* or por gran, etc*, and would bo of grant adnaxtago in ruintine, dlffereaooo in dustiness to tho onosAtiTV factor. Stash a usMiruru- sut todninus *>ulzl bo aesoatial in appmi*. tag tho eotual Tulue of oil. Vo do not bar* swfXloiojrt data on. thin affart on wbloh to drew ooo-- olualoas. Thar* or* difficulties to bo orarocsse, and tho solution depend* on osra laboratory axporinontattcu. Another toat notbad irhish muld bo of mlas is a r&eud._rdi~sd noalw entail abac# of roTintt in a scell rasool vUlo suokjag a stress of /lr ilth r*iultiac dost as la tba stapllx* for ordinary dust counts. A toot of tMs fcLad, in cenlxaatlon with tbs dnatlnsoa index 'ould ho of mica in svaluAiioe 0 tha oiliac; practise, or it night tafca tha jl<=ee entirely of tto procedure prorioualy outlined. INOUrdUL MVOICN* FOUNDATION OF AMERICA. INC. I*r*Iina*ZT Jmm, 1947 Sumy f&r Aeboatoo Textil* Icotltuto, ootkcs oi sacsa/sagp ?HocgCTg jo:.- ASgasaaia iarsq&AZioia ociiaauaii Au,,jPlMffrAgftttoii gf..?aaHfiff fctfpaaUPtt " ZzariAm tnotu&L lnamoatlon to Xaotltato aer-born *ltl Iomo* possible delayi jrapage bulletin* *ih design, dcetobae an aoao or dl or tbs. NTnl wbjoots Uxiaa baLosr* to bo distalbated 4neL? so reody* Additional field obaearmticne required la anay onaoe*. Lm Cordlnr dark control! ffcr Tnrloas ae&aa a aaetdses SU iXart la preparetion aLaaollaaeoue opereticna 3 Set 'wgrrltm e^ulpsast 4 2bc2auot 2D? I>rr arearlaw S St haart ftrr HMawi. eke* lm Dodca af dart rurt: 7* OoalfcA of dart bouoe gr?Xasx0..gr ?nr TtfttL-'qi far Cflatagj. Ja tMj eatotpUT* Sbe proalino for nixie b there are so yreemt eneverai nv tvlrtlsca apiaslA*, epjareicel of operation, ofTlolftacy sad coot oT nr--trial dark ooHeotor-j, etc. *4 *. ii uo, 1947 r3X^T'?&0'<{lim!6 ttfttiio loatitm** 2C n. ar^ic\L A*. - faiUf^ttra .7g.?.Brta<jla. foalicsL ,?fcsais*^49M 7H U ergoaily raocanicadod to U ccspaolea* Uedtool ubrlc* oa to oxcnalcatlomsl proeodcree Kill ba &lYom 'ey tte Tou&dutloa o^a 5, Orrruj^Btlaa of n Plnggaotlfl P>-ncl far lateotosia txrzjLqad by tbs Sbcadatloa4* 3edlool ^lrootor <iod argarrUad to bhI La Pittsburgh at agitable Lstarralo star oeioatlfla wlw of ttaGSoatlQ problem*, ra*dl=s ef x-rtsy fllae, *to Penal to aoadist af tadifidoal oocyjngy phyaidna or Radical ooneultaats torot-jar dth otter radical au&fcoritiaa to b darterxinad* a* Statist! cel, friadr of saotiar ttadlsal Recorda Ceaiarad to flsd e&**ro to laporturt ^msttoa* cauoexaias eadloal hsd phyaionl aaturo of osteutodoi eapoolally oonncraad vlVh rcoarda of State of SortI: Carolina, metropolitan. Llf a Zocaraaco tospany, ate. gl, rssr-TZiL ?=rtrn - iTv-Jw -izi. Studlaa) St-oiloa of p^xioal aad etemical oharactaoriatia* of aobaetoa dst lemtsucd, La csmjtnKtiaa nlih sadlool irtodiso, to pzoTido more ii^aUlcaist Larorsrvtica aonaaxals?. the aitoro of the out axpoeurat to loralop atjggltfwalary teclarLt'aae for aaarurjag rsalsLixt aa&aetoaijt bacerd after rodvartioa of dost to iseet tte proouat atuvUrd; to loanee ttet affoatlTS control of daat tea team attalood, -------- rri j_3 a atop by tp protest aiaed at tte elinlaatioa. of obest;>sia a .ace ftr l tte pLesto of lateatqO T^xsjla Znatltote tenteera* \ . 8T0CCWHf vrriKH i *74K A 'c Y -M rj ITHIS CIRCLE MICRON DIAMETER COPY INDUSTRIAL. HYGIENE FOUNDATION OF AMERICA. INC. 4400 FIFTH AVENUE Pittsburgh . Pa. July U, 1947 lenoraadua on <7.5. Asbestos (ManheLa) Plant or Baybsatos-iUafrattaa, lac* Supplsaantiag Ths Q^oanL RflMd Prsliainary Coat Investigation for Aebeatos Textile Iaatituta* Of June, 1947 DogttPBaa This plant la designated 4 la the General Report. The range of concentration 11atad la Coluan A, Tahla 1, *aa fixed by an oxaaJ.na.tlo*..of the dsat count data of racoot years La conpany fllaa with a llttla eelght given to oar oo taken at the tiaa or oar visit. Cast count data for tha preparation dapartamt vara aot adequate for estimating average exposures. Coat control la carding la squalled by several plants, tut Is batter, we balleve, la tbs Charleston plant of this coapany. Duatiaeas la aaaving Is believed to ba tha leeast in tha Industry. Oar tn dset counts aeda an larch 19 era as follow** JHH33019 Imnadw on (Hwhtla) ?lant of {Ugrbostos--Saafeattaa. Inc., Swpplaaaatlu* tha G^narqJ- p*~art Pcaiialniry *uat IaYaatl- gaUon for Aabaatoa Taatila loatituta,* of Juno, 1947. Sunbar daps ad Tina 1 10 Xlaa. 2 6 ties. 3 10 Siha. L -'12 Slna. 5 10 Xlaa. Location Duet I-CmniL- General air la flalabar card roo at tike-off and of aachiaac T, i, 11, 12. 2.1 Slallar to No. 1, but at nacbicas 6 and Li. Canard. air, tazan vhtla walking up and dona alalaa of aolnnlnr Crane*. 2.9 2.0 Canard air,'taken while -- up and down alalaa of twistin' sachlnee. It operator of loon No. 10, a aachina cost diatant froa twistars. 5-3 2.1 Cuat Control Prectlcaa la tha tabulation eaocar&lng carding acMat axbauat systaaa tMi plant la aboaa to affact /good rasalta slth tha lowaat rata of oxhaoat. of oj plant. Sovarar, dustlnaas la plant & la satarially loar with only boat 50 par cant (raatar air floa (tha axtra capacity distributed to auxl<llar7 branchae). *tlcal Thin plant haa baaa In dudad anonjt thoea having had a racaat x-cay array, avan though not aapaciaUj systaoatlc * l th raapaot to tlaa bacauaa af tha policy of volontary exaalnatlosa. Tha Lacldasea of aabaatoala tadl&atad by ooapany racorda ara agnailad by ooa other plant, tot la tha baaa of tha lattar there la 'round ! for doubt aa to tha accuracy of tha dlagnoala, according to tha praaant aadleal dtractor. JHH33020 COPY INDUSTRIAL. HYGIENE FOUNDATION OF AMERICA. INC. 4400 FIFTH AVENUE Pittsburgh 13. Pa. July U, 1917 awruda os General isbeetoe and Rubber Plant of ..... taybeatoi Manhattan, Inc. Supplementing The Canami Report Prellaiaary Eust Investigation for la beeLas Teatils Instltats** Of Juns, 1917 Jtelrtlflm This plant la designated In tbs poanl report as B. Tie samples token by us *r* all lover than on* ai111on, bat sine* they vara single sanplaa end differed conaidarvbly from other data In comsnay files -wm-did not (Its than full weight In ee tine ting the aver age range glean In column b of Table 1 (page 5 of general report). The company* dust count record Indicates tbs longest period of lov dustiness In the industry. In spite of- the span of years covered, the nuaber of individual 0 duet counts Is such too mil to eonstltato an ad squats record. jUasgesest Indicated that a re survey was to be aade after certain process changwe were effected. However, It Is oar opinion that present concentrations are very JHH33021 Xtoaradia aa C*rti Aibwtoa sat tabbar Plant of flt;bute> eahaitaa, lac., Sapplsowntlng the General doport *Preliainar7 Suat larestlgation for isbeetos lestile Institute* of Juno, 1947. 2. loo and ee weld adris# that arreaf'eeeata b aade elth 3r. fetae! far a theroughly coxplote survey without welting for wuch chant A litoral csotor of saapleo la sach operation la re^oi rod to establish average fi$areo. Last counts tula by no ora os fallow* Soaker 1 4aa 3 4 5 6 7 t ELaneed fine (Xiao.) Location Cast Count 10 10 . 10 10 General air acar taka--off ad of csrd. 0.2 4 MChlaes distant froa foraua's of Ties Za breathing mm of 2M}g JglaggS opera- 0.4 ton folloelwc bia durtnr aaeoiln*. In breathing roue of aoerator of T^ntar vir.der. (Abont 1/4 of duct branches olagged by bobbin.) 0.4 GeMral air, taken while following e lth in 6 to 7 feat of operator of ring isinatnr fr*oj. 0.3 10 Oeaerml air in rtclotty of 4 exhausted 0.6 l22S (dry). 10 Za breathing uoa of operator of one 0.3 loon. 10 General air, taken while walking ttp 0.9 and down aisle* of twisters. Exhausted. 10 flaae as 2a. 7, bat exhsnst systen shat 1.6 JHB33C22 bemoraadwi on General isbo*toe and Rubber Pleat of iaytsstoaicnhattoa, Ice., Sopalanantlag the General flaryort "Preliminary inal Investigation far Asbestos Textile Institute" of Juno, 1947* 3. rsut Control Practices It it suaneeted that tbs unique fiber trsatssat la tho preparation process */ do such to redact dastinea* Ls sabseqna&t textile operati-oca. The taeta described nadar "Inherent Gustiness of Stock" (page 26, general report) would llluainote tola point ebon fall/ developed. .... la tbe tabclatloo of card exhaust ratee Cpsgo 8. general ro^art) this plant bos, ee believe, aoueehot better central then Plant 1 requiring a tent 59 per coat greater air floe per eochine. 411 of the eight good fas tore* listed on page 9 vere observed on these cards. C* are of the opinion tsat the 2 lack. -uat* arr&a*d to sxhaost the space betaeeu ring doffer* end oaln e/lJLcdar in r.at full7 effective due ta rapid plugging, but era convinced that the abjective is vocthefiile. The plugging la caused 17 Ineffective distribution of planned sir flow which, in tarn, la the rseult of erase differaneen la friction loss between the t disaster end larger diaaetar breaches (referred th under "tact fl-.ri," top p*e 12) -Touting There la soee ladlesties free dust count data of veins In the lit- ing axhaaet s/stea but the data are frogaaatary and inconciuaive. Te rouid r Hi* to see several "oa and off" teste node alterant*!/ on oueo da/ far coc- fl nation. JH?!33023 > -* ; daaoraodna on Sunl JUbootoa and Subbar float of flaybestoeKaohattaa, Ias.r Sttpplanantlag the Cenoml ftenort fraliainary u*t lareatlgatloa far lobeetoa Textile Infltitute* of fans, 1947. 4 Uedlcnl T*il plant la one of tbooo Titbont adequate Infareation a to tbo Incidence (or abeenee) of aabeetsala and * strongly recocsenc the Institu tion of a systen of aodlcel supervision aa indicated la this eectlca of tba general report. The loot paragraph oa page 20 of tbo general report reTars la part to tala conpany. The information that could be gained fron a statletlcal stady of the Incidence of an bee toela aa rale tad. to venting hietory in a plant vith this record would bo of very great value. T.C.1*. Meneon Head Saflnoer \ eto. COPY INDUSTRIAL HYGIENE FOUNDATION OF AMERICA. INC. 4400 FIFTH AVENUE Pittsburgh is. Pa. July 11, 1947 Keooraadua on Plant of v Philadelphia Asbestos Company Supplementing Tba General Resort Prsliainary Oast Investigation for Asbestos Textile Ins tltuts* Of Juno, 1947 Dqgtlncys This plant Is destinetad as C In tha general report, and the do* tineas suaarijed in that colnan of Tahls 1. For reasons outlined in the general report, the values for preparation are probably not Tery represeutatiTe in unjr of ths plants aad only approxlaate coa^rUoas, therefore, .can te node. Tha data for earling and weaving car.fire the cbiervabls f:ct of hi^n .tustlneaa In this slant. O11I7 one other plant in tbe rroup is com parable to it. Our ova dust counts, which supplanant those in the coapna? files are as follows1 JHF333025 Maaoraado* o* ?lont of FMladalafaia tabaatos Coapanr. Suoolaanting tb* Gwnarsl 3+eort *Pr*Iiaiaar7 uat Inraatlgation for Aabactoa Taxtlla laotitat** of Jum, 1947. 2 Soabar 1 2. * 4 5 Klapaad Ha* (Hina.) tooatloa tuat C:*nnfc. 3 Gaaaral air naar aula spinner lacatad 5.7 - oanra*t to offlca. Judgvd that no dost fro* any ad Join tor daoartaaot. 3 it loo* So. 94, dry wwaring. Judgad U.6 that aoat -Juat fro* waawlag (although poaalbla contribution fro* 3 Idea r roca). 5 At high spaad, PIS, carda, at dalirary 13.0 and. Lrposurw of op*r-.tor. Coaoidarncla auat contribution fro* oldor card* La chaining roos. 7 Ganaral air la old card roo*. Inwffac- 20.4 tira ahaat natal canopy hood* orar curd*. 3 wanaral air saapla obtainad while walk- 6.6 lag up and cows aialaa between twlatLng aanlsee. Suat Control ?ractlcaa Control of Coat fro* tha ? 4 S earua cannot ba Yary a*tiafactor7 viiila that fro* tba oLdaf card* la ancontrollnd. If thalr oaa la to ba eoatlsnad lamdlat* a tap* should ba takas to pro* id* propar encloaurta for VmwB* Bltiaata wxkauat of tba MS carda *111 uoubtlaaa ..'lffr la eoaa datalla fro* otbar cnxa* tut for tha proaant tha following point# ar* to ba notad. Tha axlatlng arrangMwata cLffar fro* baat practice* liatad oa p{* 9 ,{itanl raport, a to ltaaa 1, 4, 6, 7 and 8* lapweiallgr dlasdraatageoua la ti*w larga dlaaatar (S inch) branch oact fro* tha top of tha hous ing is eoabLnaiinn *llh tha narrow slot connection to thro r.crtalni:. i lun rti> Heooraadaa oo Plant of Philadelphia labaetcs Caapiny, Suoole- oeatlag General dwcort "Preliminary Dust lave* ti^eticn for **bvstoa Textile lastlCato" of June, 19-47. 7 Tbs practice of recirculation of lr ,"na the oust collector l* aaestlcaakle eltiaosh It say acpar that lsso difficulty rllL bo experienc ed with this typo of collector then soao others la use* to order to folio* esy ebaa^es Is pressure drop, a staple voter U-tsbe should be loettllrd that will Indicate thle rain* end cea be frequently observed. Th* greateet seed, la ts^ pleat le guidance la the control of dust froa cardiac saeolaes. Thin code, be covered Zj tf.a pro*ran cutllsec la tj.e general report for the long tera project. Pedicel The x-ry surrey of this plant aerie recently shoving only 7 to 4 per cent. Is la sharp contrast to the experience of toe* other pilot*. Lacking iaforaetioa u to Cetell vorit history of the eaployees ao explan*tloa cea be offered bow, bat the alscrvpeacy eoaold be lave* tinted. t.C.L. 'lesedo Heed mrlneer JHE33027 COPY INDUSTRIAL HYGIENE FOUNDATION OF AMERICA. INC. 4400 FIFTH AVENUE Pittsburgh ia. Pa. July U, 1947 Xsoorwidua oa Plant of Sajtsbsy & S ttlaon Coapaoy upplansntlng Ths v Cnaml Assort Pralininsry Uist LrroetUstion for Asbaatoa fsxtile Institute* U/ June, 1947 Cnetlmss This slant la dssl^aatecJ as D in ths general report and sn ep- pralsal of its dustiness la dunaariiod la that colussn of Tails 1. for roasans outlined la that report, tos ralusa for tbs preparation (isp&rtasot ars not considered traly representative of any ons plant And, therefore, only approx taste eoaparioonn can be ead* Oar own zuat count In tno carding rooa *ae saterlallY loser then Loose In tee coaosay'a filou resorted ty the ituts la 1911* but >e -taro -Iren little ssicht. to our values because they are tior;la saaplos and therefore aaeject to saaoLL::/ Haltstiana. 2s asauaert t/at no iJor xodlflections aTs been sals for laproeea cust control since that tins. Da ti iMinno iscor&adus oa rLsai of Xaaobey x Jettison to., lut'ploaenliaii the ^-ru-Tvl 3iort *?r*liatst7 -uat Investigation or *eobo* Textile Isstituta- of June, 1947. 2. th rsule do aot feel that existing oust count records xr* c-.,uvita to ire s representative picture of lust eonsltlc-ns in this rlxnt. TMs sill b* corrrctovl by step* the coapooy can taxes tj train a son to do this >or*. Our o*n duet euunte ora lven boloet Xusber Elapsed Tine (Mins.) Location 4>JSt Count 1 10 In aislse between various spinnLna 1.3 sachlaest 6 aacnlaos oat in osemticn. 4 * fi-uoral air in careis* roan, at roving 2.2 end of xechines 4,5,6 and 7. About half of ell nchine* chut dame. ? 5 Sataee* 2 looas at poultlan 1? fTrueaan's). 2.6 i ** General elr in weave ruon| 3 to 4 loocs Q.'J 1a operation. Recirculation of sir froa the sine 11 bag house aoer tna fixing operation* Is not good practice, sad In tala cut* tlerv Is obvious op_>or-- iuolty - ir Ladoga of cunt through the hurls,; filtering elexeut. (ioe discussion In jMjerxl report, page 11.) ?f<US\k *e have indicated in Table II (page la, *ener-i report), itat tils cQs.`AAy l*a had a recent x-ray surrey xlthour.1 It css not cosrplete because af Its voluntary character. If the .lore extorts ire do* survey i iun o nrtn XMornaCtta os ?l*nt of jt<*abr k iattlaoa Cj., Cucs-Ia**atiiw. the Cwerd ^v.'Qrt ?rali*iar7 (taut Invsaflgsfcloa for Ajbcstoa Taatila Laatimta* or Juca, 19/7. 3 piaaaad for #ajrt 19/7 noc tl*a #** loeicasce =. ladle* toil la is* paot (&* PM 15 ilnnt D) t soo axolaiuitloo iiaulu la anurht to tM <erk hlslor7 or atfcorla* for th spectacular discrepancy beti<ca t.-csa 'l^arse. *od tnoaafor plant# 1, A ad J. X.u.ir* hee*ac\ daaC ac^iaaar . COPY INDUSTRIAL HYGIENE FOUNDATION OF AMERICA. INC. 4400 FIFTH AVENUE Pittsburgh is. Pa. July 11, L947 Mesorsndu oa ?l-at of Carolina Asbestos Conpany Suppiewentim; the General da port "Preliminary Z-uat Investigation for Asbestos Textile Institute" Of June, 1947 tNstinesa Tola plant la Jon line tad an In tba general report end an *>- proiaal of Its duetiaesa La summarized La that culusa of Table 1. Ur. Terry's Just count data carry heavier *elRr.t tnan tie single ones aade by us because they vara sore numerous end, therefore, provide a tatter *ror*/e Tbo valnoa iven La the taels, therefore, re heavily vei^hted by those figures. . The figures Indicate that -Just control L e^ual to that in tee average "<ood" plants of the ,;roup. Slight :lffernc* betoedC pilots should not oe Uiia- taa Literally, since norsti! ysrlatLona af wuae *uL" tade occur. Saaorndsa oa Pisat of Corel Isa *btoa Co., Cup^laeoutics tita ;mwfnl "Prllola*<7 Dus* IaTntl^tioa for lebas too Toatlla roitltata* of Jana, l?Z7. Ovr oa alu^lo .lust zonal* an* <* talovi lusher 1 A j 1 Xlarsedtlsta Clin* ^ Operations Duat Cotuits 1 it oatsldo doonrsgr of preparation roos. 0.5 71xi hie dost froo nearby bag house clov ing la till* dlrvatloa. T*lran to secure decree of sosslhle pecan t-*iei ration. 6 General atr nroand cards 1,2,1,1,5 *iul 6. C.? 6 General elr around cards I',,l4 sod 15. 7-.1 7llLIa cuat accuse fros .to. LL brer.xor. 5 General air, c>llo aoltLs.:* up and dovn 4*k A stslaa betren is',store. Zont CTilrnl ?r\ c+*~i\* Thm nmm cardiac xr_*aat syateo la aOoH xcapt tint coastlarabla tuat *aa mca^Uvc ! card* 11 caii 15, tba cause of ablet * ;ld sot r.&Xbliah. Tn* sdavt avtal nclasur*a .*/ ntui.il/ aami to b* rvr.lacs'-i cca to vaarlag of bolaa ia to* tildes at Isa rla of 'tba a*ls eyitnur, &! to emahLa]; of ooraro* fcafarv tuts toooaas serious IslLlel sta-j** aiioul; to t*ta to Mi tiB convaroloa ^rtcuall/ *lcoa conatdafntl* tlou lli [*9 r.,ulrvu. to affect tie c't*oa Tor oil acvl--*a. dxitcl Ta Table TI (jo*:* ll,' ;:nl report) :* lUti tula canpany sa not ftaviojc '** as/ j-r*y surrey, because of tee f-.ct tJ.e t ti.c State's 1 i /e / a r* /*> dasoraodms on Plant of Carolina Aibattos C-?., Cuapl*nt<.sx' .h* Conor*. 1 rivort Prallninury Coat Iayaotination for lata*to* Toxtila Ir-ztL rata" of Jana, 1917. findings *ro ATnilncla only la aorfotlva ajr. tJr. foci is tfcat no Lri^ors*- ilsa la avnLLatla to t& cagy.xiy ' Lactiaxica of cik tools.. TV* raaarts ta tr.lxx taction >t tin f?art r*L*'.t7i 1 t:. La par-- ta-nc* of tba parlodic radical aseals&tlac sa*t so via*d in tha il^ht of tfca sartlotlar pro^run of tt CLota of Uortb Carolina. bofora axtaonisg apoclflc '-drLca on tbia point would want ti'aaplor* ta* practloea and 'pollclaa of tfca flats to xm aoat cooid ba *ur**i :at -<*.tA tr.ao. TMa *-> plocatioa would fca A port of tba aadlcsii and-of t* lorsf-torr? .;ro?:rs*, as ont^lnad La tha anaral raport. 3.C.I. u*ao<* Sand i.o^ln<*4r COPY INDUSTRIAL HYGIENE FOUNDATION OF AMERICA. INC. 4400 FIFTH AVENUE Pittsburgh 13. Pa. July 11, 1917 Xeooreadue an Plant of Southern hate*toe Coapeay oapplec-utia* The General ftesort "Preliminary lust Inraatlcctioo far Asbestos textile Institute* Of June, 1917 foulLigga This, plant la designated by the latter T La the gar.era1 report, sad our appraisal of its nastiness suxearlsed la Uiet coluac La Tafale 1. Our own duat counts vers such lower then those recorded in the coepany's riles, Since they, haeTtr, r#rt only single seaples, greet reliance cannot be placed 00 then. Y hare, therefore, not weighted thee h<jartI7 la eelsctlag ft^aree tc represent typical dustiness. The /lnres lorileata that dust control Is equal te the irer-^a "3od" plant of t.be group. lilffsrsnce* that x*j sppeor fro* a superficial eveparison should aotte tsxea too literally. Thus, there Is no reason to .hellere that tvistlnf la any less osaty la this plant than In say other. Aeaoraado* oa ?ltat of Southern Asbestos Co,, Supplasentlag the Escort Praliaiaery 2ust In-rsa ligation for Asbestos Textile Institute* of Juas, 1947. 2. Our dost count* are given balovt Sxabor 1 2 5 4 Slapsed Tina (lisa.) Operations C&at Count 5 At breathing sons of operator of looaw 0.4 5 sad 6. Srj wee-ring bat ley boon ex- haastad (by 2 to 4 inch branshea) end xbanst under -m.ro at floor level. 5 At Tbanwld looas 12 end 16, end in breathing sooo of operator. Heap veevinc. 0.6* 5 General. air, anils sailing up and 0.5 dosn 2 aisles betneea twisting fruses. Only 4 aachlnas ronnlnir. 9 Caasral air, while velxlng up and down 0.5 Past Control Practices The conpaoj plans tor inatallatloo of ns* sardine sschlnes rill afrard aa opportunity for Installation of a first class aodsra wxNaast TStaa, It also aeaas that it sill bo of groat isportenee to Save specific tsst data neftLlag un to fwaa accurate specifications for the sost affective and economical exhaust ajatao for the particular sacs of caro installed. This is contemplated ss a part of tbs proposed long tsra project. The discussion on Cast eolloators (page L2) is pertinent to tils pleat. Tbs loBj-tsrs project includes as one of its earliest cbjectives the dTl>(uar.t of rational spacifleatloss for either construction or pnrclas# of appropriate .nut collectors. JHB33035 wwrwKlM oa Plant of Southern Aabeatoo Co., CapplsasntiAii th* Ccnor*! flerart *?r*lialcar7 Caet farcetlgAtioa far Xebestoa Textile Institute* of June, 19X7. 3 VcsMccJL Is T*bio II (pe^e IX, ju*nl report) * aero listed tMn soc.cn7 ae aot harlnj; bad any x-ra/ acrraj, bocaaao of tha font that the -Leta' a findinga era eroLlnbl* aalj la * no$ctlro cay. Tbo fact i* that so infnr- nation la MctltbU to the cog;;an/ to incidence of tehee teals. The rcaorxa In this eectioa of tea report relative to the ispor- tence of the periodic radical axasi^.tls.-s ccat c* vieeed in ire JLif.fct of Ina particular of the Slot* of .larth Carolina. HcTora extend ir.g * pacific eerie a on this point wold rant to ex;*loro the practices end policies of tba State to im chat cili. bo sorted out rlth tra. This ex-- nlomtlon could ca a pert jf the xedlcel and -f the lon^-torx r.nzna, &* outlined la the general report. K.C.L. Eseoaa Sued Engineer JW333036 COPY INDUSTRIAL HYGIENE FOUNDATION OF AMERICA. INC. 4400 FIFTH AVENUE Pittsburgh is. Pa. July LI, 1947 laaoraodu on Float of Tba Garises Packing Cospanj SupaiMttatLag Turn *PrUaln*ry LHist Investigation For erti'itou Tastlia Lcatituta* Of Juna, 1947 Cqa tineas This plant a desiccated as C la tfca onoral report and an ap praisal of its dustiness is auaaarlzocl 1a that colusa of Tatis 1, p*^ f. The olffereaca* between tnase values and tone* of other niood plants are, oo th* vf'ola, sot ol*nLfleant oca vs rata this plant m mra#v jood." However, this do* sot aeon that oust control Is oatlreljr lsfaetorj Ln all raspects as lorticvted in tha .loasral report. There Is an Insufficient auubsr of dust couat* in the con pa ny files to conetituta an sdec,uste record of dustiness, lorasl variations rasuire s sraber of counts at each operation to provide a user'll averse. JHH33037  } . 1 tteoorandua on Plant of The Garlocx Panting Co., bapplssentinc \ho Cenoral ftosort *Prelinicar7 Mist laTetl{,*tlon for J>#bee too Textile Instttato* of Juno, 1947. * war eea slngl* dust counts tabea at t:>e tlae of the rinit are linn below. Member 1 2 3 SI Uoossd Tins (Jins Operations Cost Count* 1-59 It sperstor cod of 4 cardiac machines (Soe. 1.2.7 and 3). 9 General air in alula* of tristing aschine*. 3.0 S General air, slant ro of loons} east window* open along the verting aisle. 3.1 5 General air is aLales of spinning frasas. 1.7 Dnet C atrol Practices Cardiac dost control is discussed on paces 7 and 9 of the general report. Sefervac* Ls aatds to the exhaust syotaa la this plant ietlcfl accosplLshe* as good dust control as a latest all the other "good* plants but at exhoost rates test eonld oat be practice! for-othor northern plants. The Jest collectors is ass st this pleat ire of coaslnertiblo In- tsrst because they jacluds t*c type* not is ass la an/ other plant (Hr 1st and Paraxon) because ccwonly thought to b Impractical. ?ust data *oa these units vouU therafore bs valuable. JM133033 Sworaatfon oa Plant of tbs Gsrloclc Packing Co., SirppJLa*entice tbs Gsnaral Asoort Preliodnary Cust IiVYeetlgation for Asbestos TcxtLLo Ins tltuts" of Juno, 1947* 1 Saginesring stadias planned for tb long tara LnTestigotion of partlanlar interest to this plant and outlined la the >:sooraJL report r*t dust control la preparation, twisting and eeaTiag, and efficiency of oust collectors. .......... ................... ____ _ _ la tfcs asdics! section of tbs general report reference Is wuSa to tie sereral coapania* who tars no luforastion os to tia incidence of poten tial sb*slosis In their plant. Ibis coaeesy Is on* of those -and a Ultra- fora wlsb to underscore bars tbs rscoassodatl^ns eoscsrtting psriosic x-ray exaaLoation* discussed particularly on page* li to 13. 7.C.L. iasacQ band Engineer JHM33039 e t i COPY INDUSTRIAL. HYGIENE FOUNDATION OF AMERICA. INC. 4400 FIFTH AVENUE Pittsburgh io. Pa. Jul7 11, 1947 Xaaorsncuia on Plant of Onion Aabaatoa A ftubbar Coap&ny Sapplmentinf The qonarol ftp port Preltiainary -not Inreatlsetlon for Aabastae Textile Institute* Of June, 1947 \ Ida linen This eonpaap 1a deai^nateu a H in tfio general report and an ap praisal of lta dusttnaaa la auanarlzed In tost coloan of Table 1. Theca la complete lack of previous dust count data Is tre coa^nj' flies, and those taken by us ure too fear In aiubr to provide u ood B7arage. la had a daflaita laprvaoioo at the tins of saapling of rarXedly greater dustLr.aao than tho final count results allowed, tut * hare no ex planation at L&lfl tlaa. The rasulta are u follows* .JHH3.1040 deaerandom on Plut of Colon Asbestos * ihibbor Co., luoitleccntiag tfce Gecornl Eerort Prellainerj Coot Carestigetlona Tor Asbestos Testlan institute4 of June, 1947. 2 Zusber 1,, 2 3. 4 5 6 7 liaCslas(sJeinds.)1 Operations hist C-*uets 6 General sir la aisles of spinningtvistin* frases. 7.7 '4 General air in aisles or Tinners; sane 5.3 room as sslrminv-ts Is tins. 5 On operating platforms of several brake 4.5 lining loose. 4 Sear operator of ono broad loos on oppo 6.3 site aide of room fron dapla 3. Open eLnaoe behind. 5 It roving end of 4 euclosed earning sachiasa. 2.5 4 It far cad of card roos Thera risible dost escaping from encloaars at top. /rsc -_______It brushing end of finds rose c*r2>. O.i Cnnral Ersetinsa The carding dust control sjstae ao/eare to be, fUadanci: t-JillT-, am ffretire ** to* average of other "good* plants. In practice it 1* in ferior sue to operator careleoanasa Ln felling to reple.es portions of the enclosure. host laoortsst Is the panel an top designed to reduce tr.a .ip&ce through ftich tbs driving belts pees. Spinning sad tvisting proseat a problem cot dreetly coci.nreble to other pleats because of tbs uaic^us combination of functions in cue 0 machine. n O Hi!33C4i Ifeeonuwfeui on Plant of Dnloa labeatos t ttucter Co., Caoulooentlnjj tA* laoeral Report *?reli3inary 2uat In rsatlcations for Aetaatoa Textile Institute* of Juno, IV47. 3 Tb* ipr7 bunidifler aaployed at eeav-in* aecMnoa aooa cot fall tsto either ot our cafceyoriea or *daa?" or *weC- wearing, and 1mt* easething to b dealred in tba ray of laorored euat control. fioclrculatlou of air fraa duet collector*, practiced la tils. 3 lent, 1* alccusaed In tio sasarai report oa pii;o 13. The cacrarclxl filter* eaplryed core are undoubtedly un officiant li**u tba burlap beg bouse [a coasaa uee. *od roula be tfte useful subject of teata La the laa^ tara in vestigations outlined. This La tba snly eoupiwiy lt& a syct'watie x--cx.j *aaolr. tloa aro-- grta* Tha estimate of 5 to 6 caaea of early ecfceotoals la a larger Lac l-- dance than In any other plant. It aooaa that .rent contribution* could be aada to tfeo proposed diagnostic paoel (pefa 13, caneral report) by thla conoaay, and. that it scale lIbo pro fit .jraitip. S.C.L. >anaa Sewi aglneer nj&ma*9 H COPY INDUSTRIAL- HYGIENE FOUNDATION OF AMERICA. INC. 4400 FIFTH AVENUE Pittsburgh 13. Pa. July U, 1917 BnoraLxulaa on Plant of J.T, 3urs and Coapany Supplementing The Oanarnl ftasort Freliaiaary lust lorestl*tlan for Isbeetoa Textile Institute* Of Jana, 1917 Cnatlaaaa This coapany la deeLnutad by the letter 1 in the ;entre.l rerart and a of it* dustiness jlren in that eoluan of T~Dla I. Tha figures are baa ad on soxa dost counts aada by the Ltato, but it la believad that soaa reduction baa boon effacted, at Least in carding, bince test tine. Tha figures indicate - ouatinsee equalled by only one other plant. -'f particular Internet is tha nlh'leprae of .lustiness In aainnlnir and tetstin. In all but to plants those opartLion* ra practically Identical, sa dust counts era coa parable. The f'jjuraa ar.ow ? to , tlzca ns such :unt La tala plant. Tha explanation for this eae not sops rent. It result 'rax * greater saount of Cunt In the ctocJc duo to hiffarencwe in preparation aat. ode, a *a attau.teJ to evaluate ir. a preliminary pay (aea :of;e 16) .IHW33043 Uaoorsniinn on float of J.7. Burks ami Co., Suasionanting tha "anersl asort *frallwlnary Dust Investigation for Asbestos Textile Institute* of Joe*, 1947. $ S'.w t ;?n'ir9L,n>llMa. Several potato la >2u*t coatrol la prap*ration and at carding achlnas were discus sod fcrisfly with ^r. tlllinaa, Jr. st the tins of tbs visit. The long tars Investigations, however, would include rjstcoatic ul.1*nca la tha `Itoils of dust control aareclslly vith respect to omoara tion, carding aacblnas, tho causa of excessive onst, *t.d Its rerocT, in spinning and twisting, acd oalcetlon of dust ooliectora. It La to ba recognl ad tint, because of tha ellaats, tfcia pLuit ban * particular atale In tha devalopeant of infornatloa that will uarsii safe recirculation of air free a dust coll actor. li.C*1* -ionacci Head iinginoer JHH33C44 COPY INDUSTRIAL. HYGIENE FOUNDATION OF AMERICA. INC. 4400 FIFTH AVENUE PITTSBURGH is. PA. J..LJ 11, 1947 tUooruuRw on float of Jobae-41aavllle Corporation &uppLl<mctiae The General Report PrelLaluary lust lavestimation for 4*. bos to* TaxtULa Institute" Of June, 1947 I`tig tines* *_ Dili plant la designated J in the iacoral report, Tie suasary - of dustiness la colunn J of 7s.b1 1 cay b coaptrod with all except plants C and I. There la a consistently higher duatlaesa In all operations In spite of th* fact tht lsr* su*c of xocsy barn been upsocce for -ust control ecalpoant. Tb dost count data do Indicate satisfactory control of -*xst la weevlc*: operations. *4 *oapact that tha osjor causa of t'a poor dust curdlilacs results fro* the practice of returning air froa the be bouse to the wore # reon. This should he Investigated (see discussion of reelreflation, para 1?, <renr*l report) . JHH33Q45 3enorandan os Plant of Johno-ifanTLllo for?. t Sappleaoatiag the C<ntfI geoort. "Prsliaiaary Dual Ineoatlgatlcn for Asbestos Textile Isstituto* of Juno, 1?47. 2. Dnat Ccr.trel mctlcgl lata fro* this plant era sat Included in the tabulation of exhaaet rates for cards (sate 3,general report) bocauoo the single cards rvoLi cot be coopsrablo and the control of dost- la this dopertnent io not rood, as judged by dust counts* Obsorratioa* of duet consactions on T hi tin cards ice 1 cats an original exhaust capacity of OTer 4,uQ0 to 5,300 cfa. Cost control arrangaaoct* in the new ffhltia cards diverge from the boot practices listed oc page 9 (general report) as to Lteaa 2,2,6 ind 7. The boot combination of exhaust for thla card would bo versed oat in tie engineering chases of the loeg-tera investigation proposed in the gecersl raport (boo page 27, 1 end l). Recirculation of air fron dust collectors has boon touched epon aberro, Tia cocaacts os pngs 12 ra pertinent. T :!<? not triirrs thst t?.e efficiency of a burlap lust bouso is ala^'bsta to parsit rrcircul*tlon of air froa it bade to the fcor'troos as La the present practice. Te "o not rule out the Uyut ikiegunrda can bu Jwvised th.it will /aralt too pecovory of hoot represented thereby. teHtrnl The incifrnce of bostools In tela olant Ls entersbis to only one other slant (ij. The sedical probles of oLcgnosls la ccspilcated in thl* ^lant b/ the-fact lr.t .iany eorxsra inve horn employed In anthracite coal else* and s>cmo shoe eridecce of antbrnco--eillccois. The panel bCll7lty referred to en page 13 suould be especially valuable In (hues circuaelances. JHr!33048 ff.C.L. ecu Head /nvIncur