INTERNAL CORRESPONDENCE CHEMICALS AND PLASTICS operating division p. o. box 579, Niagara falls, new york 14302 to (Hamt) See Attached Distribution List Division location Ofislnotins Dept.

CONCLUSIONS: Relative to dust exposures from Graph, if1 Tables on Pages 8 9: 1.

practices for respiratory protection Z M .2-1969 Compliments of Mine Safety Appliances Co.

AUG 1 6 1967 UNITED STATES GYPSUM COMPANY lot SOUTH W ACKER DRIVE CHICAGO ILLINOIS 60606 H. .August 15, 1967 Mr.

PLAINTIFF'S EXHIBIT in the roof deck...

This advertisement appears in: American Builder--May, 1964: Practical Builder--June, July, 1964 PLASTERING MATERIALS COME PLASTER WALL COSTS TO TOE LOWEST HISTORICAL FILE NEW REDT0P*0NE-^ftT &m{ec/usri' For the selling plus of plasterjygj^^ at the low cost you've wanted!

d-oi UNIQN CARBIDE CORPORATION old ridgebuRv road, danbury. ct obb 17 Corporate Health, Safety and Environmental Affairs Department March 8, 1965 Raymond L.

MWBB-0019853 Industrial Hygiene Digest INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL TOXICOLOGICAL LEGAL APRIL, 1966 (Vol. 30, No. 4) INDUSTRIAL HYGIENE FOUNDATION MELLON INSTITUTE 4400 FIFTH AVENUE -- PITTSBURGH, PA. 15213 f PLAINTIFF'S EXHIBIT I iuH~b 03122079 MMBB-001985<* v=3 fel oo C==3 03122080 Industrial Hygiene Foundation assumes no responsibility for statements in articles abstracted in this Digest or for material from other organizations which may be sent to members from time to time.

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I4> ,2 CHEMICALS AMD PLA8T3CS rc(M Mr.

iECEIVED SEP 8 1969 UCC .

IN I l-HNAI.

CAM3X: 1} |j.

WRG 001318 BOYLE ENGINEERING LABORATORY DIVISION or ROTHCNM [NOINKKRINO COMPANY.

CONSTRUCTION PRODUCTS DIVISION TO: R.