Document omBogGGQnNB2LD1e0Ko6ERy4D

an sjmiss or mmos mm CteparlMB of Ssjftnger and Reotroetatis ?reeijitaiar letted* ftariny tte port ton years* the ladaeirial Health Serrice of the Metropolitan Life Ineeritee Company bo bate ttodylag tte effort of tba inhalation of asbestos dot by apley*M la {dart* ta tbs lilted States and the Province of fasten* Ccnadt* engaged in tte xiai&g of tte fiber, and tte ornfaetart of aetertos prodaete* to 1929, tte loorloaa eebastoe Industry ae preotlMUy aatnforaad of tbo health bases* MiMiiM itb eateatoe dart, eltboogb a ftv filtldb artisles bod boob published deserihlag saeae of esbesteeie seotrented 4b fetfMsh plants* U 19, Obrto art Sill <*> aad fsteaald M l* tte firrt detailed desettpttctt of ntet art teem'** attests* bodla*** detects* fiber* u toot os 260 aileron* w# daseatbad aa eteowrriBf la tte Ism tim* of atbarte* sorters* fa therefor* Mdo no effort to dUUardA aoboatoa fiber* la our collected air saaplea, ad ehlls need tte iaplnjer sotted of aaspling for tte detareisattw of dart ooarta or coaooatratieof, a also eollaeted a large sorter of senplee with tba deetrie precipi tator M foa exeniaatloa of pbyeioel eiraotar* cod fieterninatioa of partial* sines da r, however, tasooeaesfal is finding ante fibres* notarial in tte air-tern* dost, and wry few of length greater ttes 50 site*, and practically nemo of tba 260 moron Uo* Sc foond that 500 of iha dart was less than 2*5 alcrea* la tte longest disasters, while 970 me 1cm than 10 aioroas* These perfciele* ara of tte sens diaeaeieaal sicca as encountered generally in industrial plants* Later* Paltea M and bit MioeUtei reported that not aw* than 2t of the elr-teraa plant dart wet greater than 10 alersas la tte longest disaster, which agrees with nor findings* Bower, be ted sarveyed only on# of the doses plants end nine# we had* . 0141 Paper given by Mr, i, b Pefcaei before the Yweaty-^ourth inaaal Meetings! the ' Asertean Association of Industrial Phyeielaa end Snrgeaas with dnerieen Oonferano# oo Occupation*! fiaeaaea end Indaetriil Hygiene, Cleveland, Ohio - fans 54, 1929* 2--etrtty tbo 3 tat-- fnbUe Seelth Berri-- (*> i--ned eeeprabeael-- report on the --beat-- tesUl* ladoatrjr, cowriu* ooo of the pleat* had awrrejed previously, Is addition to a--y other* la ether geographical Location*, la their surrey they took iapiager eaapl-- for daat --t* ia order to evaluate the degree of expnear* of aeplejo-- engaged at varioa* operation#, Oa peg* 23, of this report, tbo fallowing atateaeat io aadet *fho relatively low per--stag* of fiber* la --ceded doit explain* tbo --ell water of fiber* observed ebile asking duet count# of iapingar eaapl--,* they deteretaed the pereostcd* of fiber* by aooa* of oaaple* oelleotod with the Oeoa* jet duet counter, ebile Falfcea aad* bl* fiber dateraiaatio-- -- eteetri# p--elpltatoe oollaoted aaapl--, Reseat ort published fey Oardser ^ ladtoate* that ebryaotilo fiber* la ths* tbre* a&orea* i* -- oar* aetiv* tbu tb* *111--te --rpaaUrn (tele or --spates*) vhiok baa tb* a-- ebeoleal crap--ltiee bat ia easaivt ratbar tbas flbroae la structure. Ba etato* that by lahatatl--, abryeetUa, greood to -- flaeao-- that It* flo aty--tar* i* a* loaf-- reeogaiaafel*, ha* prodaeed no flferoale ia guinea pigs after a year** expoasre, Alto, that all hie *b--rvatio-- eaggaat a oaehanl,--1 ratbar then a chesioal fora of Irritatt-- aad that tbs raactlea to aabeetoo ia roetrioted to tbe luac* bee-- only tbo-- or-- posso-- tfea pragwr atraotaro ead pbyalologieal --tlritjr to pomlt ttt a stiff fib-- fovelga bedy, ft--tip tbo alaotraetatio dost sollaator fcse ba-- placed -- tb# earkat* tti* davi-- eatploy* a arttertlafe *f leal--tieo aad *1--tr&o preolpltatl-- la entrapping dost* It le highly effteieat la entrapping tn> dseta asd f--#* It --o therefor* easeldared adviaabla to stady it* efficiency, -- --spared eitb the iapiager, la deta--talag --but-- last, ith tbo object of dlrtiaguieblni fibers, ftUff cotton i* a--d la tbo --aafSetare of aobeet-- textile#, an atteapt u soda to dlffareotiat* batos-- eottao aod --b--tea fibers* tb* Salted State* Fubtlo Health - 0142 - 3- Stria* ^ la thlr atody van naaaeeoaeful la diatingoiaMng lsdlvKhMl typoo at flbare* Tha ataadard iopliifor natbod of aaapllfig u asod, *ith an air ojactor to prartdm aaeiio, sod sasploe were takaa aiaaltaaeoaoly* and ei the lux looetioaa, and nt tho aaae alaTatioa, with aa aloetroatatie prooipltator* Tha lnplaaar aaaplaa war* dflatad to tha roqeirad velma, and the oloetcoatatie precipitator aaaplea* mahod lata a ataadard aolaaatrifi And, and dilatad to an *4oal volsaw In preparation tor aoaatiaf la won laataaoea, farther dilation on oao or both doplleato aaaplaa ana oocttaaiy fcare taa hoary eenaantmfcina v&a eneouatared* Ooaatiac aaa dona by the li|hk Hold aetfcod both for total dnat and for particle# dlatinfviahafcle aa fiber#, and both faetoro recorded, Grant# aava node iaaediately aftar eanpUaf, la order to raid alsapiaf aad aolstioa of partiolea la tho oaee of tho iaptaiar HapUti Sanplra vac* tabaa t repreaeatatlra operation#, Hurae^umt tho plant, aad tbo fallowing tahlon aanaarata tho flndlaf*. 0143 CO J0D); O H 00 CO CO CO c C3 55 wJr--< \4 ru 'Sj l o OO oo C^> cn cn on Ooo in in H H M O uJ -P OhG P to o3 H- H- E-i ^4 U in sD \D in c- U *H ryj o P T3 O 0) HI yj COxi . a o o u5 CO CO H OQ P 3 a *Ts V\ in o m n HH I OoOO m is< Cr\ o <4 o I Ifi iD rH OP rH O PO u Cm r9i ai PW O -- H r; ,Q & i Oa H o rH 03, rH cr: o (0 0) -O H % rH iJ P P (0 EH ^ o DO u ri a, < H|| P^ O 0) inO OpH to so MO-I rOuf-l r> 3 o to o vs s'iCs cn o o o l* o f*\ Cvi US vO vs Dc*Os StnO c- rjt^->fvssot^co <U hi <u > \ 0144 ELECTROSTATIC ?RLCI?ITAT,r. SP^iPLTM w 0) rH o P H O -P o Sj Cm Pu O rH C JO 0 H o H rH u H 0> a- U"\ m <M O <V CV r*> co m to o m cv <V m c*\ cn <v m m cv ^ cn a 3m m m m m cn in on in cn m m m m rH rH rH rH !? cv vO ir\ eft eft H rH ta 4> I > H ir\ <ft fft IO \* (a 0) CO r-f O +> o tv 0) .o CV Cft CV -P o (44 H Cm a Hj P Ov u H y ~4 > 0 , o3 rH O rH t-T rH rl tv rH a -3 *P +5 C0 CV CV CV Cft Cft CV CV CV CV - * a, ri (4 * * rH (ft CV cn CV <P no O 0) O rH !* g "o~i tO X) o 3 3 CV 4 ^ ^ vnO ICAV ir >* Cft V Vfc a> rH C es c* n . m vO CO ai CO d> > < 0145 fiiULL SPINNING T ;P1;jr,ER SAMPLING 2ILECTR0S'fATlC PRLCIPITATOR SAMPT.TMG P<U0Q> r*H- ca po ** sD vO HjO 3 td P P to ss H +> T3 OD UiO, lrDH 4) UJ O CA CM O' 3 Xut4oI) 1-t cOm <A vO ca 03 H C3 P O Po u Uh CO (X, o H cX o9 rl o r--4 r--l p-l rt a> 'C 04 CO *4 03 X *H r-f J P PW EOh f9i ca tM CM ca <A 04 rA P TJ O <D CO*4 XoO9H rCCc-Olj ca CA CM ca =^5 HQD> CV<MDil CM ca > <A CA CA CA CN CM CM sO O ir\ kA y\ lA a ca rA CA CA rH rH rH P Q rn <A ca CEO- A ca CM <A \D so CA <A A iM CA (0hca>m.)j"' > 0146 I-lP L ijE E S/u*?LLi3 iLSCTftDST.-.TIC P:CC: >ITA;, (00) o H OD c.Jcc: rl OH O3 irH . r.oj O V4 ai -P -P (0 3 A <x, +oo> GH o.Qss 00 m m cv CA o< ch min m in m m m cn m PA on on rH rH rH rH rH rH m O w w QJ rH G P rH O P o tl (X4 uj n, G *H n .o c *H o rH rH u H t> *** cu l(*0 <3> 3 p si01 **> r+*oo> oHO CO 3 on <*\ cn cn 33 oj mIA h0> CNi CA sO ? 2 0147 -a- It will be noted that froa three to four tiaee the volue of air mu sasipled in taking alectrastatle precipitator aaaples, as coshered ritb duplicate ieptngar aassplac. inr5 total dust eooeeatratioBB agree for both sstbo&s of oeapllng ia the preparation, carding, mile spinning, sad Reeving departments* Spooling sad twisting are dose la the ease rose adjacent to looaa, while the winding i done ia a rooa next to the sale spinning frame* Pollutions fros these adjacent operations say account for the variation la tho total dust counts in these sasples* There Is also the possibility of the amber of ample# not being sufficient to sliaiaate personal or other discrepancies* It is interesting to note tbs increase la the number of fibers counted la going fras the preparation deperteent, then carding, spinning, tvletiog isto the final operatic of weaving* Preparation Department Carding Department Sale Spinning Departs** Spooling, Twisting, and Hading Weaving ttstorcraftma tai JtliMhTj fijfrUtt-gqmft ftimw jfzmaaL 6 9 L- 7 97 6U 4 25 5 5 21 12-26 The United States Puttllu Health Service gave percentage of fibers et crashing and picking operation* only, la the sees* room, sad an figure far spinning* TTaa our observations of the type of operation ve believe core fibers nay be thrown off ia eule then In ring fran* spinning* be found sore fiber in the spooling, twisting, and .L 0148 winding the United States Public Health Serflcs report#, although the report is on twisting only* Again ve fall close to the United States Public Health Service average af fibers in the weaving department. Of coarse, ve oust consider the three eethods of eaopling involved in coopering these figures. CCiSCLOSItfJS 11though this report Is Xlolt*d to a relatively snail mother of cooperative saaplee, it nay he concluded that in the deteru&nat of asbestos dust in asbestos textile sills# 1. The IspiBge? sad electrostatic eethods of aesraliag agreo ia the determination of total dost concentrations* 2* That the electrostatic precipitator deee entrap nor* fibers tbaa the lapiager* There is, bosever, the tgoestlca of aoy hygienic significance ia the lacrosse dstarained* 0149 1. Cooz*f S E,# ed Sill, C. Toluae 47, ?o 2?2* - 10 - I aunwl Boyal Microscopical Society, Sept* 1927, 2. .`icBcusld, S. - British Medical Joaroal - 1927 - Tolcae 2 - ?ag 1025 3. Urinker, Tbocaw*, R. X,, and Fitefcet, S. 8, - "Ataoepherie Particulate Setter. II - The Bee of Electric Precipitation for Quantitative Seteraj actions and Microsaoyy* Journal 2nd* Hyslaca - foloao 5, So* 5, Page l2 (1923-24) 4. Fulton, K. 8*, Booley, 4*, ttcttfccee, J. l, end Hants, R* L. Asbastoei# Part II. the nature sod snauat of dost encountered in asbestos fabricating plants, Part IZX The Effects- of exy-estur* to dost encountered in asbestos fabricating pleats ea the health of a group of westers, Pnc*ylTani* Deoerteent of Labor and Industry - Bulletin 42, 1935* 5. United States Public Smith 2ull*titt So, 241 * A Study of Aabeetosi* in the Asbestos Textile Industry - 1938 - Page 126, 6. Gardner, Leroy V, - Stlology of Fosenoconiosis - Journal of the Aserictai aedicol Association - ToXuk* XIX - Pegs 1925-1936 - Sovenber 19, 1938, 0150