THE 1925 BUYERS' GUIDE of the LOS ANGELES CITY DIRETCORY the Leading Manufacturing, Business and Professional Interests of Greater Los Angeles.

510 California Historical Society for reference use only Way 21, 1920 PRIVATE Messrs.w .P.

California Historical Society for reference use only ----- --ENCLOSURES----------------- rm YORK, MARCH 21st * 1921.

California Historical Societ]/ for reference use only June 2, 1921 #1669 iflessra.W.P.

JOHNS-MANVILLE SALES CORP. 560 So.

SLnManufacturing Guideline Number G3-19 Oats Sept. 1924 Pass 3 4.1.2 When repair operations are complete, if the pipe must be reinstated, asbestos containing products are not to be used for two reasons: (a) cutting and fitting of asbestos-containing insulation can generate significant amounts of airborne asbestos fiber even though it cannot be seen, and (b) asbestos may be banned from use completely except where suitable substitutes are not available. 4.1.9 Currently, there is not any one material on the market which can be substituted for asbestos in all of its applications.

1 $;3- I May 2, 1927 fry .

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27. specific Btudies/Participation Did Defendant at any time in any way participate in any of Metropolitan Life insurance Company's studies of asbestos (conducted approximately between 1929--1940), any Trudeau Foundation/Saranac Lake studies (between 1929-1960), or any Industrial Hygiene Foundation studies (between 1938-1968)?

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