Document ZBb82VnYjg3kpw6X8bR1Lx0RV

Page 3129 1 Q Okay. Okay. The second activity that he 2 tested was sweeping. 3 I think he did that, he said, for about five 4 minutes, and that resulted in fiber release of 1.7 5 fibers per cc. 6 A Yes, sir. 7 Q Okay. Then he tested filing, and I think 8 that was with the metal file on the disc pads. And he 9 did that for about five minutes. 10 A Yes, sir. 11 Q And that resulted in only .3 fibers per cc? i 12 A Yes, sir. j 13 Q And so then the final activity was the 14 grinding, and I think he said that he did that for two i 15 minutes, and that resulted in 8.5 fibers per cc. ' 16 Now, Doctor, let me ask you just a 17 preliminary question. 18 If you were going to assume that a mechanic 19 did all of these activities once a day, how would j 20 you -- what would the first step be that you would do, 21 what would it be to convert it to a time-weighted .............. . .... ................... ................. . ,, ............................ _..... _ --... - -.............. -- -i