FILE NAME: RT Vanderbilt (RTV) DATE: 1983 Dec 5 DOC#: RTV 101 DOCUMENT DESCRIPTION: Letter from Consultant Showing Sample of International Talc 3X Contains Tremolite Asbestos , 1 Mcrone Research Associates heoistcrkd o m e t 2 M cCRONE MEWS.

FILE NAME: RT Vanderbilt (RTV) DATE: 1980 DOC#: RTV302 DOCUMENT DESCRIPTION: US Dept of Labor Report - Asbestiform and/or Fibrous Minerals in Mines, Mills, and Quarries Asbestiform and/or Fibrous Minerals in Mines, Mills, and Quarries U.S.

FILE NAME: Friction Materials Standards Institute (FMS) DATE: 1983 June 14 DOC#: FMS061 DOCUMENT DESCRIPTION: Minutes of the Board of Directors Meeting - Health and Environmental Affairs Committee Minutes of the Board of Directors Meeting -8- June 14, 1983 HEALTH AND ENVIRONMENTAL AFFAIRS COMMITTEE Mr.

FILE NAME: Georgia Pacific (GP) DATE: 1987 Oct 30 DOC#: GP092 DOCUMENT DESCRIPTION: Excerpt from Defendant's Answers to Interrogatories IN THE CIRCUIT COURT OF THE ELEVENTH JUDICIAL CIRCUIT IN AND FOR DADE COUNTY, FLORIDA CASE NO.: 84-45245 CA 42 FLORIDA BAR NO. 046600 MICHAEL SCAVELLA, Personal Representative of the Estate and Survivors of ELBRIDGE SCAVELLA, Deceased, Plaintiff, vs.

FILE NAME: Mannington Mills (MM) DATE: 1982 May 18 DOC#: MM012 DOCUMENT DESCRIPTION: Letter to Tarkett, Inc. from Mannington Mills, Inc.

FILE NAME: Asbestos in India (IND) DATE: 1983 July DOC#: IND018 DOCUMENT DESCRIPTION: Published Report - Asbestos: The Dust that Kills asbestos the dust that kills COUNTERFACT NO. 5 A CED HEALTH CELL FEATURE JULY 1983 The killer fibre had penetrated the very essence of his being.

FILE NAME: Asbestos International Association (AINT) DATE: 1983 Dec 17 DOC#: AINT013 DOCUMENT DESCRIPTION: Letter to the Editor - Standards for Asbestos Exposure [Note - Many originals are on legal size paper so text looks small when reprinted on 8.5x11 paper] THE.

FILE NAME: Warren Pumps (WAR) DATE: 1983 July 5 DOC#: WAR007 DOCUMENT DESCRIPTION: Memo Ju ly 5 , 19S3 712.LRKEWOP0 CENTER NORTH 14.600 DETROIT AVEN UE CLEV ELA N D .

FILE NAME: Rockwell (ROCK) DATE: 1986-1991 DOC#: ROCK005 DOCUMENT DESCRIPTION: Caution & Warning Labels j ' >w k j PnFtS>IfiitMn IiMw^aTinRwiminriOuwKSs ^ fjllM W O N o * qpGAhOATiON UNIT 5|NEtrr"RHUOcWn0HtoS -use* forms design reverse side TTTurorroPM t ( L h z tU 6 * * F L V THE PURPOSE OF THIS FORM IS TO r / j- d L OAT* S<*7TLD DBARTMCNT CODE Oi_o rom** no IS FORM USCO AS M FU T O A T * FOR C O M P U T E * S Y 5 T IM V rr-i/2 / if ves, Mete onformsequence inwhich information\ H ^ m o \ wr b * p ic k e d u p o n d in d.i.c..o.......f.i.e..l.d. re s tric tio n fo rm u s to in p R x c ric c on pnoceouRC NO Inform ation 0N0 appear on me tallowing form numbers.

FILE NAME: JC DATE: 1981 JC073 DOC#: JC073 DOCUMENT DESCRIPTION: Material Safety Data Sheet NEWPORT NEWS SHIP b k ^ sockco. ^ t o g y f r p c ?

FILE NAME: NS DATE: 1980 NS007 DOC#: NS007 DOCUMENT DESCRIPTION: Asbestos Warning Information FAX 304 347 5035 JAMES HUMPHREYS 005 NCS/OLX AND WESTERN RAILWAY COMPANY POCAHONTAS DIVISION SUPERINTENDENT'S BULLETIN vNOTICE NO. 3 #.

FILE NAME Caterpillar CAT DATE 1981 June 12 DOC CAT030 DOCUMENT DESCRIPTION Safety Complaint CATERPILLAR TRACTOR CO PEORIA DATE June 12 1981 PLANT OR OFFICE Decatur DEPT Safety ATTN T.

FILE NAME Corning OC DATE 1988 Oct 17 DOC OC238 DOCUMENT DESCRIPTION Medical Records with Cover Letter ROBBINS DANIEL J ASHLEY MARSHALL K.

FILE NAME Brakes BRK DATE 1985 Oct DOC BRK092 DOCUMENT DESCRIPTION English Abstract - Pleuramesothelioma After Asbestos Dust Exposure in Brake Repair Work Case Studies - Original Article in German L'AMIANTE L'AMIANTE 410 MUNTR^ AL L'AMIANTE INSTITUT DE SHERBROOKE H3A INSTITUT INSTITUT SHERBROOKE SHERBROOKE CANADA SHERBROOKE INSTITUT OUEST 1130 MUNTR^AL : KIA KIA KIA6768 Code 02 38 64 71 86 PAUR R.

FILE NAME Brakes BRK DATE 1987 DOC BRK101 DOCUMENT DESCRIPTION Journal Article - Exposure to Asbestos During Brake Maintenance of Automotive Vehicles by Different Methods 4s Ind Am Ind Hyg Assoc J. 499-504 1987 EXHIBIT Betty Browning Browning 6634 Franzblan Exposure to Asbestos During Brake Maintenance of Automotive Vehicles by Different Methods TIMO KAUPPINEN and KARI KORHONEN Institute of Occupational Health Topeliuksenkatu 41aA 00250 Helsinki Finland Regional Institute of Occupational Health PL 175 53101 Lappeenranta Finland Asbestos concentrations were measured during the different operations of brake maintenance of passenger cars trucks and buses in 24 Finnish workplaces The estimated average asbestos exposure during the workday hr weighted average was 0.1-0.2 fibers during brake repair of trucks or buses and under 0.05 cmduring repair of passenger car brakes when the background concentration was not included in the calculations The background concentration was estimated to be less than 0.1 cmDuring brake maintenance of buses and trucks heavy exposure 0.3-125 mean 56 / cmwas observed during machine grinding of new brake linings if local exhaust was not in use Other short operations during which the concentration exceeded 1 cmwere the cleaning of brakes with a brush wet cloth or compressed air jet During brake servicing of passenger cars the concentration of asbestos exceeded 1 cmonly during compressed air blowing without local exhaust The different methods of decreasing the exposure and the risk of asbestos diseases mechanics are discussed among car Introduction Brake maintenance and repair is carried out in most garages and service stations in Finland Although substitute mate- rials not containing asbestos are used increasingly the brake and clutch linings of many cars as well as the brake drum dust still contain chrysotile asbestos Therefore car mechanics and other garage workers potentially are exposed to asbestos fibers emitted during brake servicing According to the Finnish Register of Employees Occupationally Exposed to Carcinogens about 1400 car mechan- ics are exposed to asbestos in Finland most of them during brake maintenance of trucks and buses The registration however is based on the notifications made by the employ- ers and this value does not include every worker who main- tains or repairs brakes If those persons who deal with passenger car brakes or who service brakes infrequently are included also the number of exposed workers approaches the total number of car mechanics which is about 20 000 nearly % of the employed population During 1977-1983 the concentrations of asbestos fibers were measured by the occupational hygienists of the Finnish Institute of Occupational Health in 24 workplaces to study the exposure of car mechanics to asbestos during different operations and brake maintenance procedures This article is a summary of these measurements Friction Materials and Brake Maintenance Procedures Drum brake linings usually contain 30-70 by wt and disc brake pads 10-30 of chrysotile asbestos In addition to asbestos the brake linings contain phenolic type resins lubricants and metal oxides The typical composition of asbestos metallic drum brake linings or disc brake pads is as follows metals Fe 60-70 graphite 15- 25 filling agents 7-10 and binders 0-5 Other types of asbestos friction materials also have been developed During braking most asbestos fibers lose their fibrous character but the brake drum dust still contains some chrysotile asbestos Several investigators have analyzed brake drum dust and found 0.1-1 3,8-11 or 1-15 wt- of chrysotile 4-6,12,13 Besides drum dust the brake repair workers may be exposed to unaltered asbestos fibers during grinding beveling or riveting of new brake linings The procedure of brake maintenance depends on the type of vehicle and brakes Trucks and buses usually have drum brakes After removing the wheel and brake drum the cleaning of the brakes may be carried out by blowing with a compressed airjet by brushing by wiping with a wet cloth by sucking with a vacuum cleaner or by washing with water A vacuum funnel is commonly used during compressed air cleaning because of heavy dust emission but it is less com- mon during other procedures If the brake linings are worn out they are removed and new linings are riveted to the brake shoes If needed the new linings are ground to fit the shoes Finally the brake shoes brake drum and the wheel Correspondence to Timo Kauppinen Ph.D.