Document dnNN7XVmbQmmvggyGR98MjKbB

bcc* C.Tf. Brown -- Denver July 6, 1&9 1 PLAINTIFF'S Mt EXHIBIT || ttnp \ ISr* .'*D. Dennetts Chief Factory Inspector Industrial Commission of Colorado 3TW36 State "Capitol Annex leaver 2, Colorado Dear Ilr. Senr-ettet la response to your latter of Cune 27, we are glad to sand you information about the possible effects on the lunge and repiratory traet rasuiting from exposure to ginas fiber dust* 3asic research in this field was conducted at Saranac from 1933 to 19hX under ths direction of Dr. LsFby U. Gardner* la his ISUX report as director of Trudeau Sani tarium, Jr. Cardoor listed the following conclusions! "Exposure to dust of ^lass wool# a material used coomnly to insulate build ings, involves no hazard for the lungs because this fibrous material Is not inhalablo** U reprint of the page containing this stateaent is attached , as -xhibit 1*) .V fully docuronted discussion of tha possibility of lung hazard will be found on pages 2 - h of the brochure entitled "Health aspects of Fiberglas iiateriala" * This is attacned as _xhibit 2% Supporting information is found in the foHosingt .xhibit 3 -- Sprint of an article from BCUSTRl/X CTXCI3S by Dr. alter J. Siabert. Of special interest to you will be the conclud ing stutenent In Dr. Hebert* s article, as follows! "In submitting his best judgment, baaed on his professional Interpretation of all facta assembled in the course of the investigation, the author finds that there is no silicosis, fibrosis, or dust hasard connected with working with Fibergigs, and that the manufacture, fabrication and application ox' ribor.&aa products is attended by no unusual occupational hasard." Exhibit li -- Copy of joint BuShlps-Bulted aeaprandua on the subject of pos sible health liazards in connection v.ith the installation of Fiberglas insulation in ships* Exhibit 5 -- Pioneering Jaes of Fiberglas Materials in ISedicine* This broenure describee uses of Fiberglaa materials in certain medical procedures and apparatus. 01 501 019? VM01167 It* bonnetts -2 'uly 6, I9h9 Eachibit 6 -- ..pin reprint ox' latter froa notes and correspondence section of CtVXikL CF Hffi /ddiKCAK I2DIC.U, ASSOCIATICS by t'r. barney J, Hein* Exhibit ? -- Krticlo entitled "Handling Characteristics of F^Rritlco'' from <rotrn??imH pj^fss -- Exhibit ft -- Article by Hr* %'ofcn Lilaon on "Safe Cse of Kibenrlftna in Industry" frsa the ^eptcaber l&S issue of the JiirrrfJiir published by the Division of Industrial Hygiene c Safety standards of the Haw Tone lepartaent of Labor* Exhibit 9 -- Transcript of Eaaarks on Health Aspects of rdterglaa SftSorials by rksara., ?*&* industrial HymanaRinser \iU# Ihi3 is cn cxeeret frors the Proceedings of the Abode Island Industrial iioulth Institute held in Providence on .-lay 19, 19kl,' ~f special internet to you is the follomns statement Contained in this transcript* e "Plant people wno ha75 read of silicosis nay become alarmed at breathing air that h^s rflaos particles floating in it. they irair sand ^oes into the caldr.d of jlass. one thsy ;row sand dust nay cause silicosis, but a cochined sillcute -- and no silicate aside fron asbestos, which has an entirely different composition, h..s been definitely proved to cause any specific disabling disease of the lungs. ihsrtbftrsore, glass fibers large enough to be seen floating in the air will ba too bid ta enter the caull regions of the lungs." be hope this infcreation will be useful to you, nnd wo will be ^isd to supply addi tional roprir.ts of any of the exhibits if you desire thorn. Sincerely yours. ::i*ard C. et- rublic Platform director 01 501 0198