FILE NAME: Metropolitan Life (ML) DATE: 1934c DOC#: ML032 DOCUMENT DESCRIPTION: Raybestos-Manhattan Survey Determining Extent of Dust Removal Effectiveness of New Exhaust Equip Vs Old !}

FILE NAME: Metropolitan Life (ML) DATE: 1935 Oct 19 DOC#: ML082 DOCUMENT DESCRIPTION: Letter to Dr.

FILE NAME: Mine Safety Appliances (MSA) DATE: 1935 Feb 27 DOC#: MSA009 DOCUMENT DESCRIPTION: Letter from Dr.

FILE NAME: Railroads (RR) DATE: 1938 Apr 30 DOC#: RR039 DOCUMENT DESCRIPTION: Memo RE Illinois Occupational Disease Act and Discussion of how to Respond Chicago,Illinois* April 30th,1953 1-332 Messrs.

FILE NAME: German Articles - Some with English Translation (GER) DATE: 1931 DOC#: GER048 DOCUMENT DESCRIPTION: Medical Journal Article - Dr.

FILE NAME: Owens Illinois Library (OWL) DATE: 1939 DOC#: OWL017 DOCUMENT DESCRIPTION: Relevant References for Book Reviews & Abstracts from The Journal of Industrial Hygiene and Toxicology THE JOURNAL OF INDUSTRIAL HYGIENE AND TOXICOLOGY VOLUME 2i JANUARY, 1939--DECEMBER, 1939 PUBLISHED BY THE WILLIAMS & WILKINS COMPANY Baltimore, Md.

Companies Requested Non-Publication of Asbestos Health Hazards Exhibit No.

Patented Apr. 24, 1934 1,955,961 UNITED STATES PATENT OFFICE 1,955,961 ABC SUPPKESSOE WITH SMGOTTaC FBATtlSiS John Q.

(a) How ling in existence; since 1930; (b) Names of those who have led that department (c) Any reports or warnings provided to you by that department as to the effects of asbestos; (d) Current address of that person or those persons referred to in (b) supra.

Page 2 functions at a 0.1 f/cc level --the standard level recom mended by NIOSH to OSHA -- by phase contrast microscopy at 400 - 450x magnification.

c) Were the instructions oral or written.

Diy}W>n . - Trty.

. .f:... /]r\A*1 ( \t S';1 . . .

MlCIIAKI, V, II) ISa j; Cmvn./| InDUSTIUAI, COMMISSION' NA Hi) :v.

FILE NAME Manville JMA DATE 1934-1949 DOC JMA260 DOCUMENT DESCRIPTION Lanza Correspondence - Memos Letters & Meeting Minutes - Part 1 of 2 COPY COPY ~ [Vl.