FILE NAME Brakes BRK DATE 1972 April DOC BRK039 DOCUMENT DESCRIPTION Report - IIT Research Institute - Asbestos Air Pollution Resulting from the Wear of Brake Linings APRIL Oboe elie ASBESTOS AIR POLLUTION RESULTING FROM THE WEAR OF BRAKE LININGS By Colin F.

FILE NAME THAN THAN DATE 1972 Sept DOC THAN009 DOCUMENT DESCRIPTION United Sierra Memo RE Asbestos Talc UNITED UNITED BOX 1201 NEW TRENTON JERSEY DIVISION CYPRUS MINES CORPORATION SIERRA 08606 SIERRA TELEPHONE 609. 883-5111 TWX 510.685-9585 510.685-9585 September 15 1972 Gentlemen Re Asbestos Talc Many of our customers are inquiring as to interested in knowing if our talcs are true contaminated with tremolite a form of asbestos a form letter outlining our position and should be handled and They are are not There are two separate types of Occupational Safety And Volume to Federal Federal Regulations Regulations Volume July 7 1972 and which concerns dust in the air of a manufacturing a result of the Federal Drug regarding asbestotas ke the OSHA law inquirie received one from the Administration OSHA pertaining 110 which became law on allowable amounts of asbestos plant The other inquiry is as Administration's Administration's proposed regulations you will copies Please be aware that under & proposal of the FDA there aren't any test methods suggested addition for determining if talc contains asbestos In addition it is not stated what asbestos of is For example line of pulp fiber from a bag can if looked at through a microscope present be classified as fibrous in nature in hav- ing just one particle present Under the proposed regulations the clasified as asbestos We have written to as the OSHA that they identify asbestos mineralogically Regulation does and also that they suggest a form of example identification Diffraction techniques limits be stated example 99 fiber We also suggested detect tremolite is our letter states what asbestos how we measure and what experimental limitations are Ray Diffraction techniques can tremolite at the % level This is the limitation of the and equipment equipment fiber 99 what we Free This are saying is is not to say that that our products are at least some of our products are not 100 fiber free but we know of no commercial method of determ- ining this accurately and quickly ; LDM 1 KIZER EXHIBIT 17 4.3.04 4.3.04 UNITED SIERRA DIVISION Cyprus Corporation CorpMioners a Cot rpoi rao tin on Mines Corporation aiftie durinodurino RULES AND REGULATIONS for given RULES RULES AND Occupational REGULATIONS Exposure for an Occupational Occupational Exposure Exposure Standard Occupational Asbestos National Institute Institute Occupational Occupational Safety and ; tations NIOSH Occupational Occupational Health receipt Public recommendations recommendations controversy exposure asbestos fibers manifesmanifes- manifes- asbestosis controversy ne such asbestosis cancers , given rise mesothelioma the have validity as the the Assistant presiding data views data proposed arguments proposed standard concerning concerning about March 1972 presiding presiding about relative aminer aminer certified to hearing Secre- Safety rise also to controversies these consequences concerning controversies Tiare relative toxicity the various kinds the asbestos varying hazards kinds dif- of hazards workplaces workplaces dif- qir- medical medical hearing proposed So standarstdandard with proposed standard dealt two fiber standard and five fibeAr. standard and a con- permissible permissible concentrations of asbesto concentrations of view of the exposure compliance sequences fibers signs methods essential exposure asbestos Con- monitoring recordk regulated warning examinations and ) abers regulated is now the exposure recordk best ical examinations examinations these on = evidence proposals elic major ing comments available now now even though though best ited arguments counterproposals They have examined and considered Haris, been results sirable An asbestos asbestos standard standard evaluated de.

CWA COMPLIANCE EVALUATION INSPECTION REPORT U.S.

Page 42 July 26, 1971 rOOD CHEMICAL NEV.'

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NATIONAL CONFERENCE ON POLYCHLORINATED BIPHENYLS DAVID WOOD CHLORINATED BIPHENYL DIELECTRICS THEIR UTILITY AND POTENTIAL SUBSTITUTES November 19 - 21, 1975 Pick - Congress Hotel Chicago, Illinois Monsanto MONS 043870 CHLORINATED BIPHENYL DIELECTRICS THEIR UTILITY AMD POTENTIAL SUBSTITUTES I.

WALK THROUGH SURVEY Monsanto Company Polychlorinated Biphenyl Operations W.C.