Document 5byRg2qe4LMb5yg521G63B1QN

Page 3561 1 are trying to figure out if there is asbestos dust in 2 the air from brakes, and you are not doing any work on 3 brakes that day, you are not really going to find out 4 how much asbestos comes from working on brakes, are 5 you? 6 A Oh, that is not completely true. Because, 7 assuming that the day before, or a few days before, 8 you do work on brakes at that location, whatever dust 9 was settled in that place, and as you create movement 10 in that area, there would be some dust coming back up 11 again. 12 It would be less, but not absolutely zero. 13 Q So you want to know how many days before 14 that they did their work; is that right? 15 A No. If you want to find out how much fiber 16 is generated with certain activity, then you have to 17 pick the day and make sure that you do have the 18 activity. 19 I don't see why you have to find another day 20 and try to figure out how many days ago it happened. 21 Q So you want to be there on the day that they