Document rBgbE3NraaV03Rg3vnnnMdkbV

Page 2903 1 Q Okay. Am I correct, then, that what you 2 were attempting to analyze or collect was the total 3 wear debris from these activities? 4 A Yes. What we wanted to do what is 5 technically referred to as establish a mass balance. 6 We have measured the brake linings before 7 and after each test sequence, so we knew how much 8 weight loss there was from the brake linings. 9 We analyzed the composition of the brake 10 lining, so we knew roughly how much of the brake 11 linings would go into vapors, water, and gaseous 12 material. 13 So we hoped to be able to capture a good 14 percentage of the material that would be worn, and we 15 did, in fact, do that. 16 Q After you -- how long did it take you to 17 collect the samples? 18 A To actually collect the sample? 19 Q Right. To do all of the braking which led 20 'to your sample collection? 21 A The testing was done within a day or day and