Firestone Synthetic Rubber & Latex Company D I V I S I O N OF T H E F I R E S T O N E T I R E &- R U B 8 E R C O M P A N Y HA AVI y S.

'SYNTHETIC RUBBER & LATEX COMPANY P H A S E R r LY TO LA KE CH ARLES FL*N T DRAW ER 13 1 LA KE C H A R LES.

TALC First Srsft O c t o b e r 3 ,5 7 3 By : C s u te r f o r O c c a p a tio n a i sa d S z s v iro n a e n t !

37 587 & Mesothelioma and Its Association Maxwell Borow, MD, Alfred Conston, MD, Lawrence L.

ANTHONY ROBBI NS M.

RESEARCH & ENGINEERING DIVISION The ^Estimation of Asbestos in Liquids Introduction Since the original publication of the letter in Nature by Biles and Emerson who reported observing asbestos fibres in some beers, TBA Industrial Products Ltd has undertaken a programme of research to develop suitable electron microscopic techniques to quantity the asbestos, if any, in various liquid media.

Correspondence# 2350228 Department of Health and Human Services July 18, 1995 RECEIVED 95 JUL26 PH 2- It Vi-CHtiAHY A $ f'i ilA f!

Toxic, in Vilro Vol. 7, No. 1, pp. 7-14, 1993 Primed in Great Britain.

New York University Departm ent of Chemistry 4 Washington Place, R.oom 410 New York, N.Y. 10003 Telephone: (212) 598-3427 X-RAY DIFFRACTION ANALYSIS FOR ASBESTOS IN TALC by S.

Detection of Quartz in Talc by X-ray Diffraction Principle X-ray diffraction is a convenient method for determining the presence of crystalline impurities, such as quartz, in talc.

RESULTS OF ANALYSIS OF JOHNSON & JOHNSON TALC PRODUCTS Analysis carried out by optical microscopy as described in Notice of Proposed Rule Making - Asbestos Particles in Food and Drugs (38 FR 27076) SAMPLE NO. 29 30 131 132 133 134 135 136 137 138 (1501Z) PRODUCT Baby Powder Sample missing Medicated Powder Baby Powder Baby Powder Baby Powder Medicated Powder Shower to Shower Shower to Shower Shower to Shower Shower to Shower RESULTS Carbonate <1%; No Asbestos Carbonate <1%; No Asbestos Sample missing Carbonate <1%; No Asbestos Carbonate <1%; No Asbestos Carbonate <1%; No Asbestos Carbonate <1%; No Asbestos; <1% Hematite?

CAM-80 CPC-FISHBAINTRSCPT00000143 CPC-FISHBAINTRSCPT00000144 CPC-FISHBAINTRSCPT00000145 CPC-FISHBAINTRSCPT00000146 CPC-FISHBAINTRSCPT00000147 CPC-FISHBAINTRSCPT00000148 CPC-FISHBAINTRSCPT00000149 CPC-FISHBAINTRSCPT00000150 ,I CPC-FI S H BAI NTRSCPT00000151 CPC-FISHBAINTRSCPT00000152 CPC-FISHBAINTRSCPT00000153 CPC-FISHBAINTRSCPT00000154 CPC-FISHBAINTRSCPT00000155 CPC-FISHBAINTRSCPT00000156 CPC-FISHBAINTRSCPT00000157 CPC-FISHBAINTRSCPT00000158 CPC-FISHBAINTRSCPT00000159 CPC-FISHBAINTRSCPT00000160 CPC-FISHBAINTRSCPT00000~I6"I CPC-FISHBAINTRSCPT00000162 CPC-FISHBAINTRSCPT00000163 CPC-FISHBAINTRSCPT00000164 CPC-FISHBAINTRSCPT00000165

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Report of Results: MVA9391 Characterization of Three Samples of Imerys Talc Prepared for: Law Offices of G.