Document yrKnqD8grDzMgJggpExJrQeY3

FILE NAME Industrial Hygiene Foundation IHF DATE 1957 DOC IHF034 DOCUMENT DESCRIPTION Letters - Manville ~ 7 om wate EEE, one : Ou, * ee Take o s se } i ' i . : . bd Sees ot ra oVewme os ig . Fr. o =m Pireeam . * Waar, < . hn a Sree OP e ye TH OM, .. ot Ceo, - eS Thr Co 7] . . . . nn IVAN SABOURIN Q.c. . . se { . ee. f . Besse. soo me we . HOOCe MN HOE, CORtoE, CONTEDENTIAL CONTEDENTIAL Dobr ta, at ey tees O . @ + A. G. Path Canedin Ichad Canedin Canedin Ichad Mal ASBESTOS QUORUZ tet, Sexe Ragene o RR 27 Seems iwia iwia Dr.~ am slowing slowing slowing ramDr.~ ram stare a contrastin Q.AM.A. m farevy, t tava brane S'a have var list Q.AM.A. m & Brapo publarstian e as e r r s^'le ang rich a * on reporting up perances to the chilmi anni d classwying samedia samedia il our clinics In fact ine cae. Ac o The present figur ve sad data ast alamed en sege 18 horam as to smoking h u ORO Reet alamed luw en tere bene and conclusions in that cus svuged, Ce should be larTAIN larTAIN LIRI Jumary hurt marly tate sortina EX IMnaPamounch sa Dr.3ram Dr.3ram will be savaring savaring bla con Jummary tt hurt your LIRI COLS Y LEY t eons ta, ' Faithfully yours, cow : mm ,, , : S Intl Inan e IVAN SABOURIN e = ZL. to. . % AbQTGEYAMM AbQTGEYAM AbQTGEYAM AbQTGEYAM AbQTGEYAM oy miners The ing the conort exposure to asbestos If are to restrict this we to asbestos condensation a: used in of emphasis should be placed on the choice defin def- in- fact that all members of the cohort had 5 or more should be reiterated oo, years of . Following are comments on certain paragraphosf the condensation so believe We the first sentence in paragraph 2 should read one has written extensively - - - =", ; Perhaps no Page 14 In the third sentence of paragraph 2 the definition of cohort should expanded to emphasize that exposed personsel were be oTthhiesr might be done by auding a sentence similar to the no ftolilnocwliundged ionfftihcee saanmdple in the ecxopho or sted personnel regardless of length of employment were not included Page 18 Page sentence posure To further emphasize the exposure aspect of of paragraph 2 might read All workers with posure were placed in one of three categories the miners the second more than 5 years of ex- graph It might be An previously advisable to add another sentence at the end of this noted workers with no para- exposure were not included in the data In the last sentence of paragraph 1 we would like to suggest the dele- tion of the phrase which have been explained in some detail since such explanation was deleted in the condensation This publication should form the basis for future surveys and reports Dr. Braun should be asked to establish the framework of reporting for Doctors Grainger and Cartier so that each year the status of every member of the original cohort could be reported to the industrial Hygiene Foundation and the continuing study be analyzed by their experts We cannot emphasize this point too reported because nowhere in the literature today is there valuable and which approximates this magnitude a study which strongly is so We agree with Doctors Cartier and Braun that a certain number of probably have some asbestotic fibrosis which cannot be diagnosed by ray other fortunately we cannot take lung biopsies on all workers and we have no workers Un- means of making a diagnosis before there are ray changes Therefore the annual study of all exposed asbestos workers becomes increasingly important We feel that Dr. Braun and his staff are for this very valuable contribution to our medical efforts will be rewarded in the near future by the recognized journal to be congratulated heartily knowledge We trust that their publication of this work in a ra SincerelySincerely cenW. Smith M.D. Kenneth Medical Director