FILE NAME: WR Grace (WRG) DATE: December 21, 1969 DOC#: WRG076 DOCUMENT DESCRIPTION: 1969 Handwritten memo regarding notes of morning meeting.

FILE NAME: Abex (ABX) DATE: 1962 Jan DOC#: ABX324 DOCUMENT DESCRIPTION: Popular Mechanics Article on New Metallic Brake Linings by SK Wellman Co

FILE NAME: Abex (ABX) DATE: 1964 July 10 DOC#: ABX045 DOCUMENT DESCRIPTION: Letter to American BrakeBlok Works Manager RE Accident Prevention Progress Report July 10, 19 Hr* Chari Mallory, Work Manager American Brskeblok Diviato American Brake Shoe Company Winchester, Virginia RBi ACCIDB8T FREVBMTIO PROGRESS REPORT BJLM to S-l-6b Dear Mr.

FILE NAME: Metropolitan Life (ML) DATE: 1961-1990 DOC#: ML322 DOCUMENT DESCRIPTION: Loans to Johns-Manville John H.

FILE NAME: ALCOA (ALC) DATE: 1962 Jan 24 DOC#: ALC048 DOCUMENT DESCRIPTION: Memo with Test Results F r o m F* Hi m c s m WBS INTERNAL C O R R E SP O N D E N C E January 2 l|, 1962 To BEo LESTES V.

FILE NAME: Fibreboard (FIB) DATE: 1968 Nov 8 DOC#: FIB012 DOCUMENT DESCRIPTION: Memo RE Investigating Availability of Unibestos Type Material from South Africa oF l TO H.

FILE NAME: Pars Manufacturing (PARS) DATE: 1966 July 6 DOC#: PARS003 DOCUMENT DESCRIPTION: Unpublished Gov Inspection Report )\'4j s\*yV

FILE NAME: Phenolic Resins (PHR) DATE: 1962 Oct 31 DOC#: PHR043 DOCUMENT DESCRIPTION: Unpublished Technical Report - Kaylo Improvement Program; from Owens-Corning Fiberglas File TC-CL-62-11 Kaylo Improvement Program iy R.

FILE NAME: Superior Combustion Industries (SCI) DATE: 1968 DOC#: SCI002 DOCUMENT DESCRIPTION: Plant Info Record * MCMOOJM ;o a M O # m iT M o r r tN ^ m v A ^ A ^>x^0/x*m*-xw&^x&\oy*/>^0Av/.

FILE NAME DuPont DUP DATE 1968 May 2 DOC DUP060 DOCUMENT DESCRIPTION Memo from K.E.

FILE NAME DuPont DUP DATE 1969 Oct 2 DOC DUP008 DOCUMENT DESCRIPTION Memo - Personal and Confidential - to J.P.

FILE NAME Insulation Contractors & Distributors ICD DATE 1968 Sept DOC ICD012 DOCUMENT DESCRIPTION IDCNA Newsletter IDCNA NEWSLETTER The Bright Lights of the Chicago Marriott Motor Hotel | 3% Bid Welcome to IDCNA's 13THANNUAL CONVENTION Peat ona TA TET an 4 _ oe eat tbe 15 THE IDCNA NEWSLETTER Published monthly by IDCNA 8226 Fenton Street Silver Spring Maryland 20910 301-585-8886 Executive Director John C.

FILE NAME Manville JMA DATE 1966 Dec 13 DOC JMA392 DOCUMENT DESCRIPTION Report - Asbestos Environmental Problems - Status Report - Nov 1966 Brake linings at A.

FILE NAME Manville JMA DATE 1966 Dec 19 DOC JMA239 DOCUMENT DESCRIPTION Brake Tests Manville Research mey rm ~ MANVILLE RESEARCH ae Report No. 456-2506 e te AND ENGINEERING CENTER Date December 19 1966 _ _ o Title STUDY OF WEAR DUST FROM BRAKE LINING Project 2550 SUMMARY Brake which lining wear dust was collected on a membrane filter mounted in surrounded a brake run on an inertia dynamometer In addition a box to this airborne fraction the dust that settled to the floor of the box and that which remained within the brake was also collected A total of 6-1 grams of dust was collected from 2150 stops during a total time of about 110 hours The airborne portion was 2.7 grams Most of the stops were made from 35 miles per hour at 10 secdeceleration interspersed with stops from 50 mph about 10 per cent The airborne dust was examined by light microscope electron microscope ceds . rays and other means Asbestos fiber could be detected only by the electron dan microscope which gave a maximum of 1.4 per cent fiber by weight in the wear grener dust although the lining contains 70 per cent chrysotile fiber te doe This result is accounted for by the high surface temperature and severe abrasion oserte during even the mild braking of these tests when the average temperature did not et rar exceed 200 Calculations show that the surface temperature at the true area Mdtwes e of contact 1 per cent of the apparent area can reach 2000 or more It is Wed concluded that most of the fiber is converted to an amorphous mineral by intense heat and fine grinding e e ow It is recommended that samples of the particulate matter in the atmosphere be collected at suitable distances from highways and the sample examined in the electron microscope for asbestos Contents Summary Introduction Experimental Method FFiigguurreess Appendix culations Appendix II Tables 1 and 2 Appendix III Appendix IV References I cal- 1-4 , and David David Sinclair Sinclair Reported by David Sinclair Basic Physics Section CC F.

FILE NAME Manville JMA DATE 1969 - 1974 DOC JMA216 DOCUMENT DESCRIPTION Memos - Ingalls Shipbuilding THE INGALLS SHIPBUILDING DIVISION LITTON LITTOSN YSTEMS INC Mr.