Document wrd37v6boN7xxrXepqZ7K673E

FILE NAME: Metropolitan Life (ML) DATE: 1934 DOC#: ML095 DOCUMENT DESCRIPTION: Dr. Lanza Correspondence RE US Public Health Service Silicosis Standard among Granite Workers with Threshold of Safety & < %**' i.'Hi4 -f **.W WS,?/`n*>* k*V[V> w **w--i v . . f * **r *.***r * ' , , ' - -a 4 -`r- . ****`'* fc - , 4 ft t. <^'!*:`'-?'*Vil^5; t /<* V-.T 'ttVtfeff-i^ <4iW '^'H*r <` l'VY*W! i? b Amumthtovre^ptvyiuiKxam B *.:*&i CSMssentfts....t.. ,,.&*>;jjfef. "The United States 'Public Health Set^Ice^et up..4-standard in a - bulletin dealing with silicosis among the granite 'workers in B&rre of""te` n milli-on *parti-:cl' es* pT,ejr-_'ll*c:*u,b i;_c_r<fjo^o.vjtL'iE'a:. s .the__t_hrel shold of safety., This standard .referred specfica1lytb that one indsutry and cannot be construed as to mean that five Billion particles would,|j#vthe:;threshold If ^e: dust'^nt4d!:;7dl,''pf'ttm silica instead of 35% which was .."t*.>e.f.*f1se rememb*f "it.w riv ^ ,, k"* # & ) *V , J*V 5 >U $ " ' ` t V{XjKt.~. ..... ........ 1 .*> *, f u . , 'Wfjdl$m' ^ rr ?T ....... jMk, ^ 5^ l,,, tib zU * 'fifi*?* i,*l1Ji *1^ \4fin f, ........ ^ l| | illSl |l|::' lii"^1-fit:; f -A;!!ppjf|nte'i;1?! I^I:?g:!|l!!p.: !`1, f'Ji if^-l.V:^ ' i f - ' - / i - !.. : -u ire)it.j-j:.J...- ,1 .-i-L,t-> ,,- , `a - - ' ' DL?ODUCE 0 :V r-O,; ftmmy 13 lmm S&mt. toaase, Bsq., 10$ t e s t a s i ! I t t U A i t a S , eestttor,, Be torte. T, JSsMS & p r i a i e f est r t l &Mi k&s i m t t e pMAsfeaS. & f w <ut g kaoa Me le a l i toe r U tlr tie a l isfaraiatitos toril la inwdUU&lg it i r^ y m t I t lim sls, Xm *d ll sfpresstat fresa pwOm& mS tota repeat h m iflealt, if im iwcweiliffl, il Is to s o l f i a figger fe r to y tes ia is # t* y eset ut t&e par1rlry mirntitty., 1 ft tte fers^ei^g M s s stssa ef fssstiass I m & i est ysge S f ywn* M im f * 1) reap se t s gasatie S to ere 1 U t ile te to tal. 1S ttotos INgtall Sealift Bereis set ep e rtesar is a teilletii mUanig K ldlli-fMi^iJt n&saitg te g r ttit m&tour is B a rre f to s K ill lusa jta artisl * jw r M it feet es Ito torsetol e# esfety. l&Aa B'Miar mfsrra wwdfisaAly to Citait M Lj&iM rtsy ea aassst to Munass to to to Ita si fiv s U U m p u triialiu* m JU to toe t t it o iU i f toe Ass eeetaiatei KH o f fre s U le teu tete to' uiM m m at Barre es 1 rmmSmip i t . X eesM refer ym to toe eselesei recadat toallau with to# StlaleuT f Biliseais eeyeeislly toe par&r&afe teurtetoi m Peg *. gto* freetlstoe ferageitagitafereatwi to of eeewt servie to #ier*ly yews AA*toJmP.tleesstsitt,eUSc.HD.d ffinww 00 326, IS! if 4 S. k'L ; - 'fStJflfi.HSU'iVn-iB'SiBL-: . #