Document mmGwk8MK0Y94JYq86d1VwZzOO

FILE NAME: National Safety Council (NSC) DATE: 1938 DOC#: NSC134 DOCUMENT DESCRIPTION: NSC Safe Practices Pamphlet - Respiratory Protective Equipment Safe Practices Pamphlet No. 64 Published by National Safety Council, Inc. 20 North Wacker Drive, Chicago 1. The hazards to life and health from working in certain dusts, fumes, vapors, and gases have long been rec oemgnpilzoeyde,rsansdhoiut ldis pgreonveirdaellyproatgerceteidonthfoart gwroesrksievres eexmpopsleodyetros thaersee hmaazkarindgs. raPproid pfuromgerse,ssvaipnorseliamnidnagtiansges vtahrrioouugsh deunsgtsi, nofeeprirnogcemsseeas,nsa,nsducbhyasthbeyinthsetalelnactiloonsuoref eerxahtaiounsst swyshteerme si,t bisutnethceesrseaaryretomapnroyvoidpe the workers with suitable respiratory protective equipment. 2. There are numerous types of res pirators on the market today that are known as gas masks, hose masks, oxy gen breathing apparatus, dust respira tors, chemical fume respirators, air-line masks, etc., but many industrialists do not understand their various character tihsteicresfoarned, hdasiffbeereenncepsr.epaTrehdis topasmerpvheleats, aingupidreesfeonrtesduchppaerarslloenls. thTehe "dAamtaehriecraen Standard Safety Code for the Protection of the Heads, Eyes, and Respiratory Organs," as well as the official publica tions of the United States Bureau of peTriehniscepainmapchcliedtenist parecvoemntpioilna.tioInt sohfouelxd II. aAgirra-pphur1if1y.)ing respirators. (See par nevoetrybeaacscseupmtaebdl,ehopwroecveedru, itehaitnitthineclufideelds covered. It must not be confused with But in each of these two classifications, there is a variety of types. foerdewrailt,h sttahtee oArmienrsicuaranncSetarnedqauridremsaefnettsy, codes. Attention is called to the American Supplfed-Air Equipment SoftanthdeardHeSaadfse,tyEyCeosdeanfdorRtehsepirPartootreyctOiorn egraennsceof sIhnoduulsdtribael Wmoardkee;rs,thtios wchoidceh wreafs fou5r. distiInnct thtyispesc,lajsosliufiscattihornee thtyerpees are NfoartmiounlaatledBuurnedauerotfheStaspnodnarsdosrshainpd oufndtheer the procedure of the American Standards adapted for abrasive-blasting opera tions: AYsosrokciCatiitoyn. , T2h9e Wsugesgtest3i9otnhs Scotrneteati,neNdewin this pamphlet do not conflict with the re I. pSaerlfa-tcuosn.tai(nSeede opxayraggenrapbhrea6t.h)ing ap quirements in the code. II. bHloowseer. m(aTsykpe wAithsuphpalinedd--oapirerraetesd Types of Industrial Respiratory pirator.) (See paragraph 7.) III. Hose mask without blower. (Type Equipment B supplied-air respirator.) (See 4. There are two general classes of paragraph 8.) IV. Air-line respirator. (Type C stip- respiratory equipment; plied-air respirator.) (See para I. S(Suepeplpieadra-agirraprhes5p.i)ratory equipment. graph 9.) V. Abrasive - blasting re sp ira to rs. a(iTrypreesspAirEat,orBsE.), an(dSeCeEpsaurapgprliaepdh- 10. ) 6. Self-contained oxygen - breathing apparatus. The wearer carries all of his equipment with him and is not de pendent upon the surrounding air nor upon any other device or person. He .............. (*ODOOCODi3M OjCOlfc ijOire 0( ipc jQuifcq gnicsn o\ OttSstrpcrce1,H, Gsresqgm*gjjjrXsseaf1pejrnoqyjcKisrGjabbniLpsjijcmsXr- mgfEribjigGaSxGg UVfie-fqlGrXbsnQ.ao-qjjGGjlo iqrie]J6 ,,tivoifiGisCufcioroij rv p Seins ji qo Lv G 1 p ssns a pp ebs co i sboru.6sb-irxx.6Pq G r o q ;!T'r jjg bgjxag i .sgr-e nreoqtcsnnsqneqiBtqsignGqLGtpDeCiGi.S'Asrjq_opjnBa cbpssmxsbrpcfjGGif-" m sajre1 G fc1 p n f insxiX m q n s fu sjiac qo Stognxjs1pcip.Gcm'riifciian-bj rrnrixruiji6riGiGrf/siGbi1Lqsrnosics1 i-sGq:-ith-jjnLj6G- bjciutsocjAoicjssraonisrrejjGijjGjurasjxGqsr' epf oi3oGqsrruXsrarppBi*rfoistrXiG- S' XFsts ms umjjGLons rXbGa oj cea- (gee 6 si.sgi.9 bjj ) X' gxibbjicq-srt. L68bxcsfOLX GtJnibujGUf LGs<briisXfoPcXGLGG dS'mI-GbufcjAeAiOjf :SeUGLS-J CJS-33G2 j?dmbiuGiu: oj. ju q n a tw sj jfG abriscoiX 2. There are numerous types of res pkniroawtonrsasongatshemmasakrsk, eht otsoedamyastkhsa, t oxarye gtoerns, bcrheeamthiicnagl faupmpeararetusps,iradtoursst, raeisrp-liirnae .. __1. _ .c* L..i nliofe /1a Types of Industrial Respiratory Equipment 4. There are two general classes of respiratory equipment: .AVA4- IAOipci pcc 01tttSOD' BE bGuqGUf flbon fjJG mwnvqmS m doi edijibrnGu; xwpp piuj sruq ;a nor qe- j j j g gaggi.gl cgclxgs f q j OJ jtig S7T0L) I.68l)IlS(OI.2-) (gse b3LSS.l.abll A' (X^bss V E" BE' 3uq CE snbbjxcq- Vpi.9 2 |AG - pjsspng LG Sb lLS fO ti- bEpcesbqj-jsi0i:-) LcsbiLSfoi.-) V?I--/IWG L6Si)JJ-SfOI.' (gccc bSsit_lbv-- IA' &sx^gtsri>jj g-) nr B snbbjjG q-s-ii. i.G2bij.srtoi.-) H 2 6 W S 3 fC /A f f p o n f PJOAAGL- (X ?tbG WI fW :tl S pi1rat1o:r:, III. HBosseupmpalisekd-waiirthoreustpbirlaotwoer.r). (T(ySpeee paragraph 8.) IV. Ap--l-iir-e--dl1i-.naaeir\rersepspiriartaotro.r.)(Ty(pSeeeC psaurpa- Safe Practices Pamphlet No. 64 Published by National Safety Council, Inc. 20 North Wacker Drive, Chicago fro1m. wTohrekinhgazianrdscerttoainlifedusatnsd, fhuemaletsh, vapors, and gases have long been rec ognized, and it is generally agreed that ewmoprkloeyrseresxsphoosuedldtoprtohveisdeehparzoatredcst.ionPrfoor gressive employers are making rapid pfuromgerse,ssvaipnorseliamnidnagtiansges vtahrrioouugsh deunsgtsi, nofeeprirnogcemsseeas,nsa,nsducbhyasthbeyinthsetalelnactiloonsuoref exhaust systems, but there are many op ethraetiownosrkwehrserewiitthis nseuciteasbslaeryrteosppirroavtoidrye protective equipment. pir2a.torTs hoenretharee mnuamrkeertoutosdtayypesthoaft raerse kgnenowbnreaasthginasg mapaspkasr,athuoss,edmusatskrse,spoixrya tmorass,ksc,heemtci.,cabl uftummeanryespinirdautostrrsi,alaisirt-slindoe nisotitcsunadnedrstdainffdertehneciers.varTiohuiss cphamarpachtleert, therefore, has been prepared to serve as iangupidreesfeonrtesduchppaerarslloenls. thTehe "dAamtaehriecraen SoftanthdeardHSeaadfest,y ECyoedse, foanrdtheRPersoptieracttoiorny Organs," as well as the officiai publica tMioinnses.of Tthhee lUatnteitredof Stthaeteses tBwuoreoaruganof izations has established a testing and lsaubcehlleinqguipsemrveincte,araendadvpiesresdontso wpuhrochbausye only those devices that have been so otensltyedunadnedr thlaebceollneddi,tioannsdfotrowuhsiechtthheemy have been approved. be3.borAnenoitnhemr inpdreciasutthioant stohmaet ashtmouolsd pachiedregsascothnatatinmagyasbees alibkseorbheyddrtohcryoaungihc tthecet sthkien.lunCgserotfaipnerrseosnpsiraintosruscwh ialltmporos pphirearteosr, wbuiltl iptroiste'cotbvaigoauisnstthaatbsnoorptrieosn poof rtsioucnhs ogfatshees stkhinro.ugh other exposed peTriehniscepianmapchcliedtenist parecvoemntpioilna.tioInt sohfouelxd II. Aagirra-ppuhri1fy1.i)ng respirators. (See par nevoetrybe aacscseupmtaebdl,e hopwroecveedru, rtehaitnit thineclufideelds covered. It must not be confused with But in each of these two classifications, there is a variety of types. foerdewrailt,h sttahtee oArmienrsicuaranncSetarnedqauridremsaefnettsy, codes. Attention is called to the American Supplied-Air Equipment SoftanthdeardHeSaadfse,tyEyCeosdeanfdorRtehsepirPartootreyctOiorn egraennsceof sIhnoduulsdtribael Wmoardkee;rst,htios wchodiceh wreafs 5. In this classification there are four distinct types, plus three types NfoarmtiounlaatledBuurnedauer otfheStsapnodnarsdosrshainpd oufndtheer the procedure of the American Standards adapted for abrasive-blasting opera tions : AYsosrokciCatiitoyn., T2h9e Wsuegsgtest3i9otnhs Scotrneteati,neNdeiwn this pamphlet do not conflict with the re I. Spealrfa-tcuosn.tai(nSeede opxayrgaegnrabprhea6th.)ing ap quirements in the code. II. bHloowseer. m(aTskypewAithsuphpalniedd--oapierrarteesd Types of IEndquusiptrmiaelnRt espiratory pirator.) (See paragraph 7.) III. HBosseupmpalisekd-waiirthoreustpbirlaotwoer.r). (T(ySpeee res4p.iratorTyheerqeuiaprme etnwt:o general classes of paragraph 8.) IV. Apliire-dli-naeir rerespspiriartaotor.r.)(Ty(pSeeeC psaurpa I. S(Suepeplpieadra-agirraprhes5p.)iratory equipment. graph 9.) V. Abrasive - blasting re sp ira to rs. a(iTrypreesspAirEat,orBsE.), an(dSeCeEpsaurapgprliaepdh- 10. ) Courtesy, Mine Safety Appliances Co. Finigguraepp1a.ratSueslf-pcroonvtiadiensedreosxpyigraetnorbyrepartho tection for (oSneee hpoaruargrianphany.)atmosphere. 6. Self-contained oxygen - breathing eaqpupiaprmateunst. wTihteh wMeamreracnadrrieiss anllotof dheis pupenodnenant yupootnherthdeevsiucreroourndpienrgsoani.r nHder prerceesisveeds ooxxyyggeenn.fromSuachcoenqtauiinpemreonftcocman batemuossepdheinreananydhaisrmpfaurlticourlaorbljyecutisoenfualblief trheestrwicetaerdermmanunsetr.mo(Sveee aFbioguutrein1.)anTuhnis makes it applicable especially in explor iinngg ainnddursetsrycueanodpeirnatniorne-sfiagshtiinngth. e Imtinis nfoort fduisrcthuessredinifnordmeatatiiol ninsetheisNp.Sa.mCp. hSleatf;e Practices Pamphlet No. M. 2, "Mine Rescue Work." blo7w. er.Hos(eTympeaskA swuipthpliehda-nadir-orpeesrpaitread tor.) This respirator has a tight-fitting face-piece to which is attached a large (Copyright, 1938, National Safety Council, Inc. All rights reserved. 2 SAFE PRACTICES PAMPHLET No. 64 A Tfahsetenininlegt sohroualdnchalosroinhgavtehea denevdicetofoar hwaisthbaedednitipornoaplerelqyuimpmodeinfite.dSuocrhpcrohvanidgeeds fixed object in a zone of clean fresh air. consist primarily of adding a covering to This type of respirator is not approved protect the head and shoulders against dfoiarteulsye-hianrmatfmulonspohreirnesthothsaetfraorme iwmhmiceh impact and abrasion by the rebounding material. The windows in the covering the wearer could not escape without the are shielded with glass or woven wire or aid of the device. The harness worn perforated sheet metal. Types AE, BE, by anyone using this respirator is so ar and CE supplied-air respirators are the ranged that a pull on the hose will not only types that are approved for use in exert a pull on the face-piece. The face- abrasive blasting operations. (See Fig I piece may be of the full or Tissot-type, ure 3.) owrelhlaalfs-ma acshke,ckanvdalavne eaxrehaplarotivoindevdalavse oans Air-Purifying Respirators the type A supplied-air respirator. 11. There are 11 types of air-purify Courtesy, E. X>. Bullard Co. pli9e.d-aAirirr-elisnpeiraretospr.i)raTtohri.s t(yTpyepeofCressuppi icnhgemriecsapl-ifrialttoerrs.resTpihreatofrisrst( usesvuena l larye bFliogwureer 2p.roHviodsees mreasspkirwatiothryhparnodt-eocpteioranteidn raagtaoirnstishadrmesfigunl eodr otobjepctriootneacbtlewaotrmkoerss cinallceadnigsatesrsm; aisfksfilitferfsiltaerres ainreccaortnrtiadigneesd, any atmosphere. (See paragraph 7.) pouhseretos ltihfea.t aIrne noothteirmwmoerddisa,teiltypdroanvigdeers fthileteyr arerespciarlalteodrsc)a;rNtriod.gVe-ItIyIpeis cahecmomicbali- diameter hose that offers low resistance protection against atmospheres that otherwise may cause harm only from nreastpioinratocrh;emanicdalthaendlasmt etchhreaenicaarle-fimlteer chanical-filter respirators. tfoorcthede athirrotuhgaht ptahsesehsotsherobuygha ith.anAd-iropis coof ntriensupoiruastoerxpiossuprreo.vidAeidr fboyr theiitshetyrpea I. Acid gas mask. (Type A chemical- esoraaterrdanbgloewdetrh.atTthhee wdeevairceer acsana cwohnotilneuies msoeucrhceanoicfalcloym-porpeesrsaetde-dair.bloIwf earir coormeas filter respirator.) (See paragraph 12 tbolowbreeratcheeasethsrotoughopeitraetev.en Tthhoisugihs tthhee from a compressed-air system no inter nal lubricant should be used that could .) II. BOrgchaenmicicvala-pfioltrergraesspmiraastko.r.) (T(ySpeee only supplied-air respirator (except oxygen-breathing apparatus) that is ap pjercotdiouncaebgleasoers ionrjumriiosutss tthoaht emalatyh. be(Soebe proved for use in almost any atmos paragraph 36.) If it is impracticable paragraph 14.) III. Ammonia gas mask. (Type C phere, even in an atmosphere that is im to follow this suggestion, suitable filters, pchaeramgircaaplh- f1il4te.)r respirator.) (See mplyed-hiaotseelylednagntghersohuosultdo nliofet. exTceheed s1u5p0 stehmoupledrabtuereinstraelgleudlationrstheansdystemal.armAs feet from the blower to each man. Any hand-operated detachable c o u p l i n g IV. CDacrbhoenmimcaoln-foixltiedreregsapsirmaatoskr..) (T(ySpeee owneearsusainbgodtyhishatrynpeess oefquriepsppeidrawtoirthatlhsoe swheoaurledr bcaenperaosviildyeadndinqtuhieckhlyosaettasochthoer paragraph 15.) nfoercescsaarrryyinatgtacthhemewntesigfhotr aoflifeth-leinehoasned. detach the hose at a point near the har ness. If the air pressure at any point in Ousneldy ofnullsuocrhTriessspoitr-attyopres. faTceh-epyiecfeosrmarea tshqeuarseystienmch egxacgeee,ds a 25prespsouurne-drseleapseer pocket over the face and allow breath ing through the nose and mouth. An mechanism should be installed that will prevent the pressure at the hose connec exhalation valve is provided in the facepiece to allow the escape of exhaled air tcieoenditnog t2h5e pbolouwndesr poerrmsaqnuiafroeldinfcrhomgagexe. abnlodwearn.y eAxccehssecokf vaairlvedeilsiveprreodvibdyedthtoe T25h0e faeiert-siunplpelnygtlhin. e Tshheourladtenooft aierxcfleoewd allow flow of fresh air through the hose toward the face-piece only. (See Fig to the face-piece should not be less than 2 or more than 20 cubic feet per min ure 2.) utote.thaTt hfeorbotydpye hBa.rneAssnymatyypbeeosfimfaiclaer- i) B 8su. ppHlioesde-amirarsekspwiirtahtoour.t) bloTwheisr. ty(Tpeypoef paiedcierecmtanyosbeeoursmedouetxhcecpotnnoencetiothna. t has raegsrpaiprhato7r),isbustimitilharastonotybpleowAer(sneoer paanry 10. Abrasive-blasting resp ira to rs. V1 other source of air'under pressure. The hose should be not more than 75 feet r(eTsyppireastorAsE.), BSuEp,plaiendd-aCirEressuppirpaltioerds-aoirf long. The inlet to the hose should have the A, B, and C types may be modified a terminal fitting or chamber that pro for use in abrasive blasting. The letter Courtesy, Pangborn Corpi vmidaedse foorf drcaowrrionsgioani-rretshirsotaungth ma astcerreiaeln. Ecataedsdetdhatto tthhee rreegguullaarr--ttyyppee lertetsepririantdoir Fitghuereair3-.linAebtryapseiv. e-(bSleaestipnagrargersappihrat1o0r.)of RESPIRATORY PROTECTIVE EQUIPMENT 3 13. Organic vapor gas masks (type pBrotcehcetimonicaalg-faiilntesrt orregsapniircavtoarpso)rs psruocvhidaes acnoinlicneen,trbaetinoznesne,noettheerx,cgeeadsoinligne,tweotc.,peinr rceesnpt.iraBtolrasc;k tchaenyistuerssuaalrley ucsoendtafionr tahcetsie vated charcoal. (See Notes A, B, C, and D.) (See Figure 4.) che1m4.icaAl-mfilmteornriaespgiraastomrsa) skpsrov(itdyepeproC tection against ammonia in concentra tions not exceeding three per cent. Green canisters are used for these respirators; they usually contain silica gel or malic acceindt.ratTiohne tcharneneopterbecenlotnmg aexnimduurmedcobny the wearers of this type of respirator Courtesy, Acme Protection Equip, Co., Inc. bamecmauosneiaofgtahse. se(SveeereNskoitnesirAri,taBti,onC,fraonmd pFriogtuercetio4n. aOgraginasnticorvgaapnoirc gvaaspomrsa.sk(Sfeoer D.) (See Figure 5.) paragraph 13.) 15. Carbon monoxide gas masks p(tryopveide Dprotcehcetimonicaalg-faiilntesrt craersbpoinratmorosn) V. vCapoomrbignaastiomnasakc.id(TgyapseanAdB ocrhgeamnic ical-filter respirator.) (See para towxoide pienr ccoenncte.ntraBtiolunes ncoant isetxecrseedainrge graph 16.) VI. Combination acid gas, organic ucosendtaifnor"thhoepsecarlietsep."irat"oHrso; ptchaeliyteu"sucaaltlay v(aTpyopre, AanBdC acmhmemoinciaal-figlatesr mreasspki. ltyhzeesaicrartboonpromdouncoexidreelawtivitehlyoxhyagrmenlesosf rator.) (See paragraph 17.) carbon dioxide. These respirators pro VII. vCapoomrb, inaatmiomnonaiac,id angdas, c aorrbgaonnic cteecntt,inbcuotnctehnetraatiironbseecxocmeeesdinngottiwceoapbelyr mchoenmoixciadle- fgialtsermarseks.pir(aTtyopr.e) AB(SCeDe paragraph 18.) warmer as the percentage of carbon monoxide encountered increases. (See Notes A, B, C, and D.) VIII. rAatlol-rg.)as (rSesepeirpaatroarg. ra(pThyp1e9.)N respi IX. (TSyepeepAaramgercahpahni2c0a.l)-filter respirator. X. (TSyepeepBaramgercahpahni2c1a.l)-filter respirator. XI, (TSyepeepCaramgercahpahni2c2a.l)-filter respirator. cal1-f2i.lter reAscpiidragtoarss)mapsroksvid(etypperotAecctihoenmi aacgiadi,nshtyadcriodgegnasessulspuhcidhe,assuhlypdhruorchdloiorxic iedxec,eecdhilnogrintew,oetpce.,r incecnot.nceTnhtreatciohnems incoatl filter is contained in a canister or car teraisdiglye btehadtisitsincgouliosrheedd wfrhoimte ostoheirt ccaann isters used for other purposes. The csihsetsmiocfalsofodra tlhimisereosrpicraautostricussuoadlalyfucsoend Courtesy, Amerlcan-LaFrance and on pumice granules. The time of pro Foamite Industries, Inc. tection decreases rapidly as the concen tration of gas increases. (See Notes A, cFailgufirlete5r. coAnmtaminoendiaingacsanmisatsekr.w(iStheechpeamrai B, C, and D.) graph 14.) Courtesy, Davis Emergency Equipment Co. Fprigoutercetio6n. aCgahienmsticaacl-idfiltgearsersesapnidratoorrganfoicr vapors. (See paragraph 16.) gan1i6c. vCapoomrbingaastionmaasckisd (gcaosmbainndatioorn vtyidpee pchroetmecictiaol-nfilategrarinesstpiraactiodrsgAasBe)s parnod ocergeadninicg vtwapooprserincecnotnacceindtrgaatisoenssannodt tewxo per cent organic vapors. Yellow can itshteeyrs uasruealluysecdonwtaiitnh athcteisveaterdespcihraartcoorsa;l and soda lime. (See Notes A, B, C, and D.) (See Figure 6.) 17. Combination acid gas, organic nvaatpioorn, atnydpeamcmheomniiacagl-afsiltmeraskrsesp(ciroamtobris pAeBrCc)enpt roavciidde gpasreost,ecttwioon paegraicnesntt tworo mgaonnicia.vaBpororsw, nancadnistwteors paerer ucseendt wamith sthoedsae lirmesep,iraacttoivrsa;tedthecyharucsouaal,llyancdonsitlaicina ginecl.reAassest,hethneumsebrevricoef gtiamsees eonfcothuentecraend isters decreases. (See Notes A, B, C, and D.) vap1o8r., aCmommobniniaa,tioannd accaidrbognas,moonrogxaindiec gas masks (combination type chemicalftiioltnerargeasipnisrtattowros ApeBrCcDen)t parcoidvidgeaspesr,ottweco pamermcoennita,oraganndic twvaoporpse,r thcreenet pecrarcbeonnt monoxide. The canisters used with these 4 SAFE PRACTICES PAMPHLET No. 64 Courtesy, Mine Safety Appliances Co. aFgigauinrset 7a,ciAd llg-agsaess,reosrpgiarantiocrvfaoproprsr,otceacrtbioonn monoximdei,stsa.m(mSeoenipa,arasmgroakpehs, 1d9.u)sts and respirators usually contain soda lime, acacltiitvea.t"ed(ScehearcNooatle, ssiAlic,aBg,elC,anadnd"hDop.)pir1a9to. rs)All-pgraosvirdeespirpartootresct(itoynpe aNgairnesst combinations of acid gases, organic vdaupstosr,s,fumamesm, oannida, mcisatrsboifn thme ocnoonxciedne, tgraasteios,nstwdoo nopet rexcceeendt tworogpaneirccevnatpaocrisd, tchernete cpaerbroncenmt oanmoxmidoen.ia, Raendd ctawnoistpeersr aurseuaullsyed cownittahin thesoseda relsipmiera, toarcs;tivtahteedy cwhoaorlcofialtle, rssi.lic(aSgeeel,NhootpecCal.i)te,(Saneed Fciogtutorne 7.) Courtesy, American Optical Co. pFriogtuercetio8.n Maegcahiannsitcal-pfniletuermorecsopniiroastiosr-pfroor ducing or nuigsarnapceh 2d0u.)sts. (See para Note A ; Tarheesepcrhoevmidiecdal-fiwlteitrhresapirabtoodrsy ohfartnheesscatnoistseurp. port the weight Note B: Thahveesecchheecmk icvaall-vfielsteranrdespeixrhataolars tion valves. Note C: Nwoill cphreomviicdael-fiplrteortecrteiosnpirwahteorre othxeygaetnm. osphere is deficient in Note D: Tfihlteer rreessipstiarantcoer otof aaflcohwemoficaailronfot3 ceuxbciecedfee3t pienrcmheisnuotef shwoauteldr perxehsasluarteionandshothueld rensoisttanecxeceetod 1 inch of water. rat2o0r.s pTroyvpiedeAprmoteecchtaionnicaalg-faiilntesrt prensepui msuocchonaiossisq-puraordtzu,cinagsboesrtonsu,isairnocne doursetss, ccehmarecnota,l,limweosotodn,e,ceglyluplsousme,, cfoloaul,r coakned, palruomteicntuiomn. aTghaienystaredunstost awphporosevedmafoinr hcoamrmpfouulndcos,nsstuitcuhenatss aarnetimmeotnayls, oarrsethneicir, cmaedrmcuiurym,, seclhernoimumiu,mt,ellleuardiu,mm, atnhgaallniuesme,, huararmnifuuml smanokde, vgaansaesdiuamnd, fuomr esa.ga(iSneset N12otienscluEsivaen.)d CFe.)rtain(SreeespFiriagtuorressof8thtios tfyacpteurhearsvetobepernovaiddaeptperdotebcytiothne amgaainnust mleaodcondiuossti;s-oprthoedruscipnrgotoerctnuaigsaainncset dpunsetus, arelssopiraagtoarins sptrolteeacdt adguasitn.stTmheacthains,icasullcyhegreanteerdateidn lmeaadnudfuascttusruincgh asstortahgaet gbeant bteerriesc; oemnpamouenlidnign;g;potstaenrdypmapaekriinngg; raunbd chipping painted surfaces; paint mak iinngg,; mpriellpinargi,nganlidthop-rtorcaensssfienrgs; leaandd moriens. Tprhoetseectiroenspairgaationrsst tahree innohtalaaptipornovoefdlefaodr ifzuimngeslegaedn,esrautcehd absythheeaftuinmgeasngdenveorlaatteild itnypleeafdoubnudrinnign,gananddfussoinldgerlienagd, gslmazeeltianngd, eonthaemrelp;oiosronporuostecmtieotnalsagoarinstht edirustcsomof pounds, or harmful smokes, fumes or mists. (See Figures 13 and 14.) rat2o1r.s pTryopveideB pmroectehcatnioicnal-afiglateinrstrestphie fumes of metals such as aluminum, acrospepneicr,, ainrotinm, onleya,d,cadmmaigunme,siuchmr,ommiuamn, g2iannce.se(,Seme eNrcouterys E(eaxncdepFt.) vapor), and Courtesy, Willson Products, Inc. Fpriogtuercetio9.n aMgeacinhsatnpicnaelu-fmilotecronreiosspiisr-aptroordfuocr ing or nuisance dusts. (See paragraph 20.) rat2o2r.s proTvyidpee pCromteeccthioannicaagl-afiinltsetr trheespi mchirsotmoiufmchprloamtinicg; atchied maisst pprroodduucceedd biyn spray coating with lead paint and vitre ous enamels. (See Notes E and F.) Note E: Irnatoarlsl hamveinchgaanicraatle-fioltferairrefslopwi othfe trherseiestacnucbeictofetehtepfelorwmoinfuateir, swhaatlel r nportesesxucreee,datnwdothinechreessisotf acneecde otoneexinhcahlaotifown asthearllprneosstuerxe. Note F: wNioll mperochvaidneicapl-rfoiltteecrtiorenspwirhaetorer tohxeygaetnm. osphere is deficient in Respirator Maintenance rub2b3e. r Parnadctircuablblyeriazleld refsapbirriactoirns hthaevier Courtesy, B. F. McDonald Co. pFriogtuerceti1o0n. aMgaeicnhsat npinceaul-mfilotecronrieosspiisr-aptroordfuocr ing or nuisance dusts. (See paragraph 20.) I RESPIRATORY PROTECTIVE EQUIPMENT 25. If the same respirator is used by several persons, it is always advisable stoonclheaasn uasnedd diti.sinTfeoctcilteaanftaerreesapchiraptoerr, iint mwaayrmbewwaatsehr.ed Swteitrhiliazibnrgusmhaayndbesoaacp complished in either of three ways: a. oImf m1 eprasret foofr4010pmerincuetnets fionrmaalsdoeluhtyiodne and 9 parts of water. b. aDciipd ionraa32peprercecnetnstolsuotliuotnioonf ocfarlbyosloilc. Courtesy, H, S. Cover c. Place in a moist atmosphere of anti pFriogtuercetio11n. aMgaeicnhstanpinceaul-mfilotceor nrieosspiisr-aptroordufocr sfeoprtic10 gmasin, uptersefeartabrolyomfotremmapldeerahtyudree,. ing or nuisance dusts. (See paragraph 20.) The respirator should then be rinsed construction, and since heat, air, light, winivthertwedateprosaitnidon.hunNgoupattteomdprty shinoualdn water and oil cause such substances to deteriorate, respirators should be stored be made to sterilize elastic head-bands, canisters and filters. in a cool dry place and protected from lfiigbhert,aonrd maiertaasl mcauscehs aasrepopsrsoibvlied.edWwooitdh, many respirators, and the respirators in 2e6a.ch Tghaesremasshkouclodntbaeinear,"otinmwe hciachrda" cwaislleslawshtenmuncoht inlonacgteuralifuske.ept in such roefchoordursshaonudldmbineutkeesptthaotf eathceh cnaunmisbteerr 24. After a respirator has been used, itshautseda. Icfanthisetreer isisanaylmreoasstonortoebnetliireevlye ditamshpocullodthbaendcadrreiefudllbyefowreipeitdiswpiltahceda eaxtthaacuhsetdedt,o athefrmesahskc. anister should be back in the case. Care should be taken otor cmreaakseessuirne tthheereresaprierantoor swhahrepn fiotldiss put away. 27. A timer should be used on the type N all-gas respirator; this has a htwanodhothuarst mofovneosrmaarol ubnrdeaathdiniagl, iannadboonuet revolution indicates that a new canister hshaosunldotbebeaetntacwhoerdn eivnencoinfttahmeirneastpediraatiorr. Courtesy, Chicago Bye Shield Co. pFriogtuercetio13n. aMgaeicnhstanpinceaul-mfioltceornrieosspisir-aptroordufocr ing or dnuusist.anc(Seeedupsatsr,agarlaspoh a2g0a.i)nst lead mo3r0e. selecItned sionmdeiviodrugaalsnizaaretiognisv,enonthee or rraestopronesqibuiilpitmyefnotr imn agionotadincinogndaitlilonre. spi Use of Respirators ica3l-3f.ilter rTeshpeirmataonr wshhoouilsd ttoeswt ethare afacchee-m piece to make sure it fits and does not lteioank. bTefoordeo htehise,nttehres raespgiarsaetooursislopcuat on and the head-bands adjusted until isthofuitlsd cbleosneloy kainndkscionmafnoyrtaobflyt.he Ttuhbeeres wit2h8.pluMggaendufsaecatlusrecrosvedreinligvetrhecabnoitsttoemrs nviaplvpele, aunndleswsitthhecolraktstercloissinagttatchheedhostoe sthtoeredfacaen-dpiuecsee.d asCdainriesctteerds bsyhothueldcabne ister manufacturers. Courtesy, Standard Safety Equipment Co. Fprigotuercetio12n. aMgaeicnhsatnpinceaul-mfilotecronrieosspiisr-aptroordufocr ing or nuisance dusts. (See paragraph 20.) esp2e9c.iallCyanfirsotmers poshssoiubllde abbesoprrpotiteocntedof, dampness when not in use. If a canister hshaosubldecnoomt ebesuastuerdaategdainw.ithWmheonisaturrees,piit rator with a canister is stored for future use, the seal on the bottom opening of tiht ehacsanalirseteardyshboeuelnd bnrookt ebneitbsrohokuelnd; bief closed with the plug stopper furnished with the canister. Courtesy, Pulmosan Safety Equipment Corp. pForriogtuenrcuetiisoalnn4c.eagJadviufnesscttsin, apnanilcesaouim-fioaltcgeoarninirosetssipsl-iepraardotodrudcuifnsotgr. (See paragraph 20.) 6 SAFE PRACTICES PAMPHLET No. 64 or hose. Resistance to natural breath itnogthsehocualndistbeer svheoryuldslbigehtc.loseTdhewiitnhtatkhee palm of the hand, and suction exerted wlaiptshest.he Tluhnegsfaucnet-iplietchee sfahcoeu-lpdiecreemcaoiln collapsed for about IS seconds. If the respirator is tight, the wearer can pro ceed, but he should enter the gas cau tiously to see that the canister is active. If the respirator leaks or if the canister iosr uesyede, unpo, saes oinrditchartoeadt biyrriotadtoior,n,tastthee, wfreeashrerairsahnoduladsceimrtaminedtihaetelcyausree.turInf thtoe cbaeniasttetarchisedu,secdaruep baeinngewexoenrecissehdoultdo mlecatkeed sfuorre tthheat gthase rtioghbtecaennicsoteurntiesresde. Srepsepciiraaltocraries swhoorunld inbegausseesd owrhevnaptohres that have no warning properties. a s3u2p. pliEeadc-ahirpreerssopnirawtohroolreaarncshetmo icuaslefpihltyesricraelspeixraatmorinasthioounl,d efsiprestciaulnlyderagso toa the condition of the heart and lungs. 33. When respirators with hose con nections are used, care must be exer cinissetadntcoe,pirtevsehnotulidnjunroyt tboe tpheermhoitstee;d fotor lie in water or oil. em3e4rg. enIcfy reusspei,ratthoersy asrheouplrdovbideedkefport hmaanydybetocrtheaetepdla.ceFwohreirnestthaneceem, eartgelenacsyt oshnoeultdypbee aCvaiclahbelmeicinal-afnilteicre rpelsapnirtaftoorr urasteorin, hcaosweeovfera,msmhoounlida lneoakt .beTkheeprtestpoio near the ice machine or ammonia pip ing. Instead, it is better to place it just isnosiadneyoonreocuatsnidreeaocnheitofquthicekleyxiwt idthooourst exposing himself unnecessarily to the ammonia gas. 35. It is recommended that a safety bwehletreantdhelifwe-elainreer boef uaserdespiniraetvoerryenctaesres a confined irrespirable atmosphere. A mthaenlisfeh-oluinlde abnedsttaotioacntedinoauntsiedmeertogetnecnyd. Iwnithmansyuitcaabslees, hreespshiroautoldrybepprorotevcitdivede ceoqmuiepsmneenctesssoarhye fcoarnhpimut tiot ogno iinf tiot tbhee hsaismeco-iwrroerskpeirr.able atmosphere to assist Use of Compressed Air line36.respIfiracotomrsp,resspseedciaalirfiilsteurssedorfoor tahierr mcoenatnasmisnhaotiuolnd obfethperoaviirdewdithtooilp,remvoeinst ture, carbon monoxide, and other un desirable contaminants. Carbon monox ipdreessisednoatir liekqeulyipmtoenbte ecxrceeapttedunidnercoumn usual circumstances, such as if any part oofvetrhheeaeteqdu.ipmTehnut sb,eciotmiess nceocnessisdaerryabltyo check the compressed air-equipment fre quently to prevent overheating. (See paragraph 9.) GettingRWesoprikraetrosrtso Wear rat3o7r.s aSnoumiseancweo, rnkoetrsreacloiznisnigdetrhatrefsapiil ulirvees;to twheeyar ththinemk tmheayy earnedansugpeerr-tmheeinr and "can take it" without protection. Usually,the attitude of such men can be changed if someone in authority in the organization will -honestly make an effort to do it. He should explain why sspaerycifuicndteyrpecserotafinrecsopnirdaittioornss,arsehonwectehse men how to fit the respirators in proper position, and explain their operation. Then, after every possible effort has been made to convince such men that rceosmpeirsatoonres oafrelayeinssgendtoiawl,n tcheertajionb shboep rules and enforcing them through super vlaissitorne--soarnt.d discipline, if necessary, as a ACKNOWLEDGMENT DeTahnisKepeafmerp,hDleitrewcatosr,pIrnedpuasrterdialbyDiWvi. sion, National Safety Council, in co BopuerreaatuionofwMithineesn, grienpeererssenotfattihvee mV.emS. bers of the sectional committee for the "Safety Code for the Protection of the Heads, Eyes and Respiratory Organs of Industrial Workers," and various meqauniupfmacetnutr.erIst hoafsrbeesepniraretovrieywperdotbeycttihvee Saanfde aPprparcotviceeds bCy otnhfeereEnxceecuCtiovemmCiottmee milliuttsetrea.toefd thine Cthoiusncpila. mTphhleetrehspaivreatoarlsl Mbeiennesa;plpimroivteedd sbpyacethme aUke.sSi.t Bimuproeassuibolef btoeenillsuostarpapterovaeldl . respirators that have Rev. 11-38-4M N A T I O N A L S AINCOFftMREMCDT Y C O U N C I L 2 0 NORTH WACKER DRIVE CH IDABO