Document XR3R1MG2nyv43JDyq19MKeXkw

jPage 54 1 conversion to fosterite or olivine or whatever chemical 2 name you want to give to break wear debris. And I'd | 3 say those would be the primary factors. 4 Q Okay. Is it fair to say that duration, j 5 concentration and the conversion to fosterite or 6 olivine all relate to the issue of dose? 7 A Sure. 8 Q The length of the exposure is a factor that ' s 9 involved in calculating the dose? 10 A Sure. 11 Q And the concentration of dust in the air, and j i s j } I 1 12 we're talking about asbestos dust in the air, is how we 13 calculate the dose. 14 A Specifically OSHA fibers and chrysotile. 15 Q Okay. And the same with the conversion of 16 some or the vast majority of chrysotile asbestos in the | 17 wear debris to some other mineralogical form? 18 A Correct. 19 Q Now I think that you testified in the past 20 that some small percentage of chrysotile fibers in wear 21 debris, I'm sorry, of the materials in wear debris 22 remain chrysotile fibers? 23 A I've said that you can measure airborne 24 chrysotile fibers and you can find them in the brake 25 wear debris. And that's what I said, that's the ESQUIRE DEPOSITION SERVICES (415) 288-4280