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.

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.

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.

CAM-220 CAMC-Logiudice-001096 CAMC-Logiudice-001097 CAMC-Logiudice-001098 CAMC-Logiudice-001099 CAMC-Logiudice-001100 CAMC-Logiudice-001101 CAMC-Logiudice-001102 CAMC-Logiudice-001103 CAMC-Logiudice-001104 CAMC-Logiudice-001105 CAMC-Logiudice-001106 CAMC-Logiudice-001107 CAMC-Logiudice-001108 CAMC-Logiudice-001109 CAMC-Logiudice-001110 CAMC-Logiudice-001111

CAM-253

^ ^ u n t f t ^ Laboratory Report.I EXHIBIT CAM-263 Cyprus Industrial Minerals Company 555 South Flower Street Los Angeles, California 90071 Telephone 213) 489-3700 Report No: 80--020 References: Key: Cyclosorb Date of Report: 1/24/80 Date ofWork Request / By: 1/22/80 CRM Copies: HTM LDM Reported By: c.J.

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HOAGLAND LONGO MORAN, DUNST & DOUKAS, U P A T T O R N E Y S at LAW 40 Paterson Street New Brunswick, NJ 08901 Tel: (732) 545-4717 Fax: (732) 545-4579 www.hoaglandlongo.com Michael L.