SXfg&XSEHUL HOBS. ~ SAB&SAC XABORATCBY grinding Dust Bxpoeure on laboratory Animals December 24, 1946 Hr* I* Dunn* Treasurer *ew York Office ' Enclosed herewith is a report covering the first 10 soothe of our experimental work which Dr* Gardner wae doing for us at Saraaao Lake* You will note that in mih of the groups of animals exposed to duet ora* an 8 to 10 month period* the findings as far as production of fibres is in the lungs is concerned, are essentially negative* In other words the experiment thus far warrants a tentative conclusion that the &st exposure in our grinding operations while producing changes observed in'the x-ray fils is a relatively inert dust* This substantiates ^ original impression that the nodulations we have seen are not due to true silicosis but are similar to the changes observed In lunge of "persons exposed to iron dust* It is of course too soon to draw any definite oonolusions but the Implications are very encouraging and very .

Western Engineering Dep't Garfield, TTtah March 13th, 1941 "r.

MEASUREMENT OF AIRBORNE ASBESTOS FIBER BY THE MEMBRANE FILTER METHOD ASBESTOS TEXTILE INSTITUTE (FOUNDED 1944) HER 0001573 Asbestos Textile Institute 1971 Printed in U.S.A.

,, PASO SttEtTtNS WORKS EU&INEERIKQ OEPAglMEtO JAM 13 19.:; x/95 % SI Paso, Texas January 12, 1943 AIR MAIL Mr.

Objection is made to this interrogatory on the ground that the terms "altered," "chemical composition" and "alteration" are undefined, and call for speculation.

Without waiver of these objections, Abex responds that it maintained a corporate-wide research department.

CLUTCH FACING AND BRAKE LIMING STANDARDS INSTITUTE, INC. 370 LEXINGTON AVENUE, ME.-' YCRK 17, NOV YORK FIRST ANNUAL MEETING OF THE CLUTCH FACING AND 3RAKE LINING STANDARDS INSTITUTE, INC.

I PLAINTIFF'S | EXHIBIT f CSR-23 AIRHAIL.

.

*j*20l 100 j c c c c C 11 19 STUT.

ST0852034 ABSTRACT OF THE LITERATURE OF INDUSTRIAL HYGIENE SUPPLEMENTARY TO HE JOURNAL OF INDUSTRIAL HYGIENE AND TOXICOLOGY VOLUME 30 JANUARY, 1948--NOVEMBER, 1948 PUBLISHED BY THE WILLIAMS & WILKINS COMPANY Baltimore, Md.

Fire-Retardant Coatings for Fabric-Covered Aircraft S.

Monsanto Chemicals ________ ^________ // AROCLOR A NONFLAMMABLE HYDRAULIC FLUID FOR DIE-CASTING SYSTEMS > . '. *"'

_!

Marstsiler et al.\ Spiertomegalic Liver Disep 129; 602452 Bruhl, W. i966.