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RESPIRATORY PROTECTIVE DEVICES MANUAL PUBLISHED BY AMERICAN INDUSTRIAL HYGIENE ASSOCIATION AMERICAN CONFERENCE OF GOVERNMENTAL INDUSTRIAL HYGIENISTS 1963 WV-004106 Copyright, 1963 American l"*c-striai Hygiene Association Ar-er'.ci.i Coherence cJ Ind^s:.nsd Hygienists Cc<ic*s Avnflibic BHA'JXAXK Sox :svj A, , Mic ors: ID, Inc, st:c; 53/50 .w-- Ml sus;5:ra:o.

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PLAINTIFF'S EXHIBIT W1 lliwriirfvi for the laeord Ways* Johnson - Haw York November 8, 1966 F.

REPORT ON INDUSTRIAL HYGIENE SURVEY OF SELECTED PLANT OPERATIONS Tyler Plant, Pittsburgh-Coming Corporation Tyler, Texas May 7, 1969 by Morton Corn, Ph.D.

I INTRA-COMPANY CORRESPONDENCE Mr.

<N< PITTSBU^H CORNING CORPORATION & uz WTEROFnCE CORRESPONDENCE Te Robert R.

MINUTES of the MEETING of THE EXECUTIVE COMMITTEE NATIONAL INSULATION MANUFACTURERS ASSOCIATION Chicago, HI, Alril 11, 1966 .

MESUITS OF THE HZZTlXG OF TIE BOARD OF DIRECTORS OF PITTSBURGH C0HSIS6 CORPORATION HEtO AT KEU YORK.