Document 2jwg0G4E9vwKmXYydZkx7GVXp

22 .1 jjixuiNim / .lingricun ffiiifrumti is rlTmivp and th employe can lu d< |>cmlcd U|k*ii to wear it cunlinuniialy while at work. Thereafter it is u mutter of good linusi'krepiiig--knowing that tin* tiluu'sphrri' is maiol.nn.'d m a Mali' which is toil u lit .aril to the wot kitten. AU duals amt all (kiis.innns 111111111 may hot In1 fuii.plvtciy ia<ln-uti'll, lint they may la- controlled unit nihiitil to a degree which la recogmrni hy sanitarians ami hy i'X|u'rirnrn In he iiiiii-liiiituritniM. This can I*' uceoii.plisliisl liv 11 tu-ti dust 11,unit dI tin- air at n |< >ml where iliL-l is generated, nr clirmieid exjiinuj- Unit of air j>aiii|ilo where had or other poisonous inuicriula are used. Sainl- Idusloig is perhups I la* moat dangerous dust produeing agency to winch em ployes may lu* ex|'sed, lurruits: the suml Used is u pure silica which produces a veritable tlut llnud. Sandblasting bus come into extensive uso mi rnilruaile ill recent wiini. In the shops it is used I'or cleaning ami |kdishing small urtirlea. It Id al.-n used in rnnuivmg puint from mm, buildings, anil slid water tanks, pieparalnry to ro|iainlmg. I'scd indoors it i iin|Tulivc that all employ1 s be protected. iinM'<|Wutly 11 ilnst-priMil cabinet nr room, littail with n local ex haust system. will In; rei|ilired. Only the uir pressure mask is sufe lor tin1 em ploye engaged in .-aiiil-hlastniK cura nr buildings, ami litis ivork shoiihl Imi done only vvlii ii other employes are not required to Work in the vicinity. The air hose i-hnulii he long enough In bring tin.' air from outside the dual gone, nr thi* air sliniihl he wusheJ hy luring furred through a water hath. A respirator is a tillering device lor removing particulate iinpuriticu from tin1 air and is not effective ugainst gii.-cous impurities. .'ijuririaj masks lor this puri.K.' are mannfairlnri'd. The I'ssi-ntiuls of a respirator are n close lilting and diist-pronl face piece covering mouth ainl nose, mill a minimum of dead space to prevent uteiomdution of rarhoit monoxide, the inluilution and exhalation valves must not r:m,e effort in breathing und must In* 1J11-!-proof, the filtering device dumhl l.jxr .10 ex|msi d surface aim large le'iigh permit ins- breath- llig, 1 he tiller di.-c -lioiilil lie easily lemovahle for f. -::i<-nt, :md the ri'S- pirator should lit eomfortithly and not ..hstruet vision, ulol should |kTmit of A eating s|a'rlai les 01 goggtm. There are vmioiis lj|S'D o( o'Spnutors winch limy u-ed lor nnii.n.xie diets or for diorf exposure In t*.10 lu.-ls. I would rei'oiniiieiid tout oi,| n>|,ii:itor., and gas musks >l.:eh ire approved hy the I'. S. I'.ureitn of Milas he furnished to employes. Sihc .-is ainl :!>),lo.-is are -tncilv dii.*l diseases, and . an he cootraeed eidy I'.v breathing sflica it .o'ls'slos dust, find iHiisoiiing is i:n.l In ipunl ly eoiiI ranted hv hieathiiig the diet of fumes of lead, rarefy hy inge.ting lead. Prevention and eoiilrol, tlieiefoie, eon.-iats of protecting trie employe against exposure hv the means lu-sl ailapled to preventing the generation and di.-js'r- slot! of these harmful dusts. The Cmuiuian: We have received the following wire from Mr. J. M. Symcs, Vice-President, Association nf Ainericun Dilroi..ls. siunu having luuui uilrlressid to Dr. Hurtle as C'lihirnmil of the Progrum ('iiinfuitti'e: "Washini.tiix, I), c., .lime I'.KIT. |)r. Ifnrvcy Hurtle: Vour letter June si'Cniid. Ilccunsc of some |iii.sniiig mutters of unexjieclud ilevelnpmctit lu re ill Washington it will he impossible for me to sir cm woh 1 very and l< Tor: ("11 s|knkir. I In. U ai plrasuie to I uni - peak I utu vrr l u-lern lb Mu. tt.t the lirsl til. ways lirrfi 1 I waa ju nl tlir srusl too far upa I have n* sod they w do. I.eeao-t heU. I h: |.i"-- at.I l l.i ao i.|u rating l.> :. J.Ill**** H,. I.**.*** I* It..: 1 1.. ti.i k vv, 01 a. aIUf I v ry ltxlH I n.Hj.y viitiD nflh.Q*