Document v1z45XL7RgOkyB6b1RYa5Zk2R

\ COPY <3/3 Yr. Ju.lsr. -IItehe_i CS . * * i <* ' * Vkt f w w Lear **r. Mitchell: PLAINTIFFS EXHIBIT wv-oo^it. I am very 'glad inc^c to have th. o-.vorvar.lsy of exam Ir.ir.g Dr. Gr.rcn e r ' a report on r-. cent inves ti j. lions of the effect if fin*-* astos cuss us co:aj;>rue v.icr..longer fiber cusa. Air Hu s: y r, Lf tin; hypothesis oon-ti'ucioc on the basis of this experimenta:ior. proves tenable, our -r-vious icon the - trio filter the duct the nore harmful will have to be revamped. It sii gau.s to chow tint t:iw July thing shut c: :i y.-t be pos itiv-iy sla tea in the!. Ln the- human sufficlunt <l*xsosur-s to :sc,j:> tos cust till cause ajU-ii tools, but v.hct const! to too naffidlent ex posure ctiii rasa.ins subject to isca.of cotipictu '-uiov/lccgc. It .-.sight be eeli :.z a foraurd-iouhlng progran for the asbestos i'aciji'?. to begin to tou-.vc more nLout pv scautiunary ne-.s .res 3 in crp.-.rm _nts v/ht-ru the cunt Is coarser, aithough even : jj erentiy At Dr. Garcnc-r says, there ire things acout useestosis which -.avo not been sotisfsetorily expiuLr.ec a:: yet. 'Jr.u t: mains 'titit oie ana cy local material is, '.'.lay trie- rev- r.ccj. old cea-.s 3hor. so much evidence of pure silicosis-' I have r.ot been able to get any evidence that any of the :i-e.;stoe us-~e Her.* nay have had fraa silica in it, but, uni esc a-bos to sis one. rone eor.c: it:. arts shov.s the feature of silicosis, it must have had. I thir.x that this ..pieslion, that is aha thus local cas-.s nave not bean exposec to fro.. si_icu in ; cult!on to silicates, is very im portant for the loc.ia-'incus t :y to cider. t I co rut tnin.t trial Dr. Gardner1s cospc si tents r.va any % practical soar lag un. whether tiler.; is such a tiling as cabt ;si.-. Mr- Jefo'oras suggested to xie tru.t conciusi, out of the extract from of Jan. lb, iJo3. Al_ I can conexuco f roo this extract is ^ V ^ U.J.. W il J-- purently une.er the co nd11ions existing th.. r J , til O e.. pOSUX'6 is insuf- flcient. Yihatc-Ver those conditions may U C it might so '.veil to nscer- t.' -- nj x-- jo-*>1 L.a i Neither cio I fj-_ov. fu.-.iy the L'U r-? ../.Lion in Ur. Vr ntiivar ora.n'1 T letter of April a'6, iJbd, that Gardner1 e* % *. . v pcri.rcntc' iri.x aery a ivs the cleim t.iat the fibrosis is of a progressive character. If the n?aerial is long ensuring the fibrosis might huso up c-v;.n Is. jugh the influence is only mechanical. I get stimulation from tns- South African report to a pair, recinc that no one can .evov. v.hat the Iiacarc here is until the a Cue' sort of to.auinatisn of v.or.ters is clone here. I ahull cc glad to tail-: these natlers uvt-r aith you at any eon- u v-nient Sincerely yours 0 0 4 7 2 0/p /* r'f.5,^7/r*