Document aJVdd44XJekZ7oJk1BdxO91bM

FILE NAME: Chrysler (CHRY) DATE: 1963 May 27 DOC#: CHRY103 DOCUMENT DESCRIPTION: Memo from Louis Redmond RE Air-Borne Asbestos Dust Concentration - Dept 7200 I Y' V . Ur. K. i. Hayes Manufacturing Mgr. Cheaical 31. tir. L. F-adaoad Induct. rTygiene AIR* ROHM2 ASB53T03 DOST CCXCSSTTATIOH - OSPAfiTiCHI.I2fl2 f' \ W. ia3 Trenton Bngiaa Highland Park As rtquMtid oa May 22 1963, asaplea vara collactad to determine tha air-borne asbestos duat concentrations croatad by tba saving aad forming of brake linings. tba exhaust ventilation system n a also cbackod at thla tlaa. Tba raaulta obtainad, Thich are 11*tad oa tho attached sheet. indicated that tha duat coaceetratloee aaro at acceptable level* aad that tha exhaust ventilation system t as functioning proparly. LlUslb ce: 3. J. Saubar, U.O. R. II. reidaer Louis Radao Senior Industrial Hygienist *vace aa t H DATA SHEET Aig-Boati Attestes ccacsmuTtoHS /'1/fW -1 'n5 >* tsvitinn Threshold liait val At *1 awing machin - removing brak shoe At *2 aawing maehln - removing brak shoe* At both Bolling Machine RMulta la Million* of Particle Par Cubic Toot at Alf_______________ 3.0 0.4 0.3 1.0 Th above samples wore collected with a Mine Safety Appliance Company'a Midget laplnger. Uwatlan At *1 sawing machin At *2 sawing machina YnoUlitlafl Result in Feet Per HInuta----- 500 - 1100 700 - 1200 rhe above measurement war mad with an Alnor Velo meter. Serial 2100. cH R Y su n eie9