Document KJVzJ4vaJYpqVJYLXnkkgyEG0

1 measurements as high as 1.9 fibers per cc. Page 2393 2 Similarly with these other ones, here is 3 compressed air jet, concentration and this has 4 enclosure, by the way and mechanical exhaust, so it 5 wouldn't be like those other measurements we saw from 6 Dr. Rohl. 7 Q This is 1987, so protective measures are in 8 place at the garage to try and keep people from being 9 exposed? 10 A Yes, sir, working at it. Still the median 11 concentration was .2, and the mean was 1.2; and there 12 were individual measurements as high as 3.0. 13 Again, you should bear in mind that all of 14 these measurements were made during relatively short 15 time periods. 16 As short as one minute and the longest one 17 looks like 60 minutes, so these are measurements that 18 are made during periods of time when people are 19 actually doing these individual tasks. All right? 20 Q And I have placed a small line under one of 21 the entries where it says grinding of brake linings