PLAINTIFF'S EXHIBIT Radon: A Rerun of Asbestos?

imaammimsMsiIgSiaiwi--w:rnmairifo-i'iW8Wfr*i-<WWhWW rii- tati>:.iiwiwaii i^w^m DECEMBER 1982 Pag* 2 POLICY FOR THE PROTECTION OF INFORMATION IN ENGINEERING STANDARDS KEEP THIS SHEET WITH THE ALPHABETICAL INDEX DO NOT DESTROY The Company'!

PLAINTIFF'S EXHIBIT DUP-1628 DU PONT DE-NEMOURS INTERNATIONAL S.A. 50-52.

PLAINTIFF'S EXHIBIT DUP-1690 CC : S .

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UNION CARBIDE CORPORATION old rdgebury noAo^DaNsupyx^oBsiy To ifMarnisi Division Location Area SEE ATTACHED DISTRIBUTION Copy to Date November 6, 1984 HS&EAOriginating Deot Ai-ea P2 Subject RESPIRATORY<PROTECTION AFOR ASBggfOS > The enclosed information concerning respiratory protection for asbestos was developed by Du Pont and recently circulated to members of Organization Resources Counselors (ORC).

ICV M1 E 1. ou Pont oe Ne*mfCo*urs & Company Ha*kill lapoatopt roe Toxicology amo iMourrRiAL Mcoicinc Elkton Roao.

UNIT* STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON.

ETHYL CORPORATION INTER-OFFICE TO: H.

PLAINTIFF'S EXHIBIT Brown Root, Inc.

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1. m\n I I ,ah Journal of Occupational Medicine (ISSN 009a1736) - / I I I August, 1980, Vol. 22 No. 8 1- 1I ORIGINAL ARTICLES , M i a t e Editor ROBERT R 1.

Environmental Mutagenesis 8:29-40 (1986) Induction of Cytogenetic Damage in Rodents After Short-Term Inhalation of Benzene Gregory L.

Scand J Work Environ Health 13 (1987) 505-512 Effects of exposure to vehicle exhaust on health by Ulf Ulfvarson, TechD,' Rolf A l e x a n d e r s s o n , MD,* Leif Aringer.

Cyprus Industrial Minerals Company 555 South Flower Street TWX 910) 321-5753 Los Angeles, California 90071 Telephone 213) 489-3700 January 8, 1981 Talc and the OSHA Asbestos Standard 29CFR 1910.1001 Cyprus Industrial Minerals Company's Montana talc based products are free of asbestos as defined by the OSHA Safety and Health Standards (CFR 1910.1001 [a]).