Document x10b4YkGrrGdBZ9xz6YqXVq6g

Certain-Iced Products Corporation P O. OOX I 13 AMOLCIt PSNNOYLVANIA Private U Confidential May 4, 1904 Mr. Clifford Shccklcr Johns-Manville Corporation 22 E. 4Qth Street New York 16, New York Dear Cliff: I am enclosing this review of Dr. Selikoff's paper on the assumption that you have not seen it. You can imagine the re action to this article at our local plant. Sincerely CERTAIN-TEED PRODUCTS CORP. LDU:ap Enc. Leon D. Horowitz Supervisor of Safety PRODUCED JM-83 jlf ,c. /UUw ' A/,rJ WHY Doctors Say Working With Asbestos tnjisth.s f;-1; iVHArrmriein CmCcCl.i-;F:)i`"-i It was bis r<*-i port.1. 9*r't3r-6:>; than 420,(.00 May Cause Cancer After Many Years smtli'.'rs tod 't.pn-smokcrs last Dcieri'ixtrithal produced n m.a- jorjjii'iieta.r-st <.f cigaret smok ny KARL ABRAHAM that was presented by a New Health Research Institute of ing as?, he; tin hazard. 01 Via Bulletin Sln/f York physician, Dr. I. J. Sclt- I-'airleigh Dickinson University Micro'c.i'iiv* Fib :rs Asbestos, one of industry's koff, to a meeting of the Ameri can Industrial Hygiene Associa recently had reported creating cancers in hamsters by Inject As`!f: :yc| is..a mineral, a class of ftc.o.', l!;'i; (l ave different most important and widely tion m thn Sheraton Hotel. ing asbestos into Ihe lining herruaei conip sit:nns hut share used raw materials, was placed Dr. .Sclikoff.* medical re around their lungs. tho property or bomg made by under ndditicnal suspicion hern search team has studied all of He .said that the hazard of nature in`the form of tightly yesterday as a possible cause of the men who have become mem malignant diseases of ihe lungs pack'd tihern"* Pulverized as- cancer. bers of the New York City-New- of asbestos workers engaged in bcsins fO'if-s can be of micros Here is some of the evidence ark, N. J. locals of the Interna tional Union of Heat and Frost specific such as industrial operations copic sir rr. . mining and asbestos Dt. gtr.-.'.li-.'r-repnriej.ltiat of Insulators and Asbestos Work processing had been reported 30 the Itiiij; cancer victims studied ers, AFL-CIO, since Dec. 31, years ago. in'.Now York, all had been cx-f 1042. They are building trades Tho Ne\y York area building pos'd, i,. acb -stos at least 22 workers. trades workers, however, was years.'This, he said, indicated1 Research Report a group with relaiively little that if ti.oir c'.rtccrs were rclat- At III.- end of a 20-vcar per iod, as of Dec. 31, 1062, report ed Dr. Sclikoff, t'nc researchers noted tho following: --They selected records of 632 men who h3d been exposed lo asbesios for 20 years. On the basis of general population mortality statistics, 203 should have died. However, the actual death rate in the group was 25.6. The difference was almost en tirely attributable to death from asbestos exposure." said Dr. Sclikoff. So formidable were the Im plications of this study, said Dr. Sclikoff, that-Ml of-itw build ings trades workers in the United States and svorkers in selected other industries should be subjected to the widest pos sible study, so that this and some other materials under sus picion could be proven or laid Lo rest. edjtn the asiij-.tos, then it was a very slowly d.-yeloping disease. (1 he eM'O.stirj of llicun work-; ir$ In-liiuidu'.g trades. he said.i wollb, tiC-gr-'ltor 1 ll 1r* !! nt Of, tile "oric.nl |.f f>:it.itioft, bni how! much .--eater ii wax would be hind in ;t; without consiricra-j blv r.iorf tn-e.-rch. He dif note that a researcher work big'hi Fduth Africa liad studied Ihe- .'lings of a large,1 group nipge.nl'j ihere and found I 25 perviOt to fontam ashc.slosj cancer. _ 3,000 Products pirticlc: in y c-. a 11 amounts. I | --(n this group there should j Ho said he estimated there.1, j have hcen, neemding to general. were about three million build I averages, between six and seven ing trades workers m the nation. I deaths because of cancer in the In addition, he said, there are I lungs or the pleura, a sac sur about 3,000 asbestos products, rounding the lungs. Actually, from pipe insulation to auto (here were 46 such cancer vic brake linings to floor tile, with tims. They would have expect an undetermined number of ed less than ten cancers of the workrrs. colon and rectum, but there 1 doubt that modern indus were 20. try could survive without asbes --Drnnchiogcnir carcinoma tos. World production has Iwns responsible for almost one grown from 30.000 tons in 1000 out of cve-v five deaths, an in to more than three million tons cidence seven limes that ex- in IMtiO," said Dr Selikofr. [peeled in the general populn- Working with Dr. Sclikoff nro . non. Dr. .Inenh Chtirg and Dr. Li. Cnv- Cancers in Hamsters Irr Hammond, all of Ml. Sinni Dr. Selikc.ff pointed out that Hospital in New York. Dr. Dr. William E. Smith of the Hammond also is director of PRODUCED JM -83