Version: 1.0 Revision date: October 18, 2011 Section 1.

LUZENAC AMERICA, INC 9000 East Nichols Ave.

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PLAINTIFFS EXHIBIT CAM-255 Cyprus Industrial Minerais Company Research Laboratory 2435 M ilitary Avenue West Los Angeles, California 90065 Telephone: (2 .1 3 1 X ^ 0 4 6 2 August 21, 1975 Mr'.

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Dennis, Donna A From: Sent: To: Subject: Zazenski, Rich (LNA) [Rich.Zazenski@america.luzenac.com] June 07, 2001 2:17 PM Dennis, Donna A Talc Specification Dear Dr.

TALC AND PYROPHYLLITE By Robert L.

Si MedicBarlitJisohurnal ial experiments ,tudy do not give pens m the lungs The study whirl; t answer to the e to measuie the uct of histamine jrine from cardisible in the near ect evidence, and tioned that in a workers an anti chloride, 5 mg the decrease of irking day of the extracts contain ydroxytryptamine demonstrated." : ic" shows that the e far too small to jronchi in vivo.' ect of dust extract histamine.1 Ltke; is very weak, as .es no contraction vo11 even though e the presence of je of interest to at it need not dis byssinosis. the only theory peculiar symptom arkers.1 A non its may also be 1 asthma, and this n of cotton dust is leoretical interest, ionai hygiene the ot the active agent tvs of the workers, from the dust the ' the lungs in intact tt stomach or the >n may be useful n effects of textile etc., A.

sb THE PATHOLOGICAL EFFECTS OF SUBCUTANEOUS INJECTIONS OF ASBESTOS FIBRES IN MICE: MIGRATION OF FIBRES TO SUBMESOTHELI^L TISSUES AND INDUCTION OF MESOTHELIOMATA by K J.

* American Paper Instituteserving the pulp, paper andpaperboard industry 260Madison Avenue, New York, N.Y. 10016 / (212) 889-6200 cable address: AMPAPINST NewYork December 21, 1973 Hearing Clerk Food and Drug Administration Room 6-86 5600 Fishers Lane Rockville, Md. 20852 SUBJECT: Notice of Proposed Rulemaking published September 28, 1973, 38 Federal Register, 27076--27081 (1972) _______ Comments of American Paper Institute, Inc.__________ Dear Sirs: The American Paper Institute, Inc.

j ANALYST WORK SHEET 3.

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 TABLE II INTERLABORATORY COMPARISON OF ANALYTICAL RESULTS FOR TREMOLITE IN COSMETIC TALCUM-TYPE POWDERS ___________________________________ RESULTS_________________________ _________ N.

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