Document NG5pvzV300KjBo1r9ZXjpOm1p

1 Europe over a period of time, and includes some Page 2392 2 measurements of various kinds of operations that were 3 done. 4 Q Can you describe what some of the 5 operations are, particularly as they would relate to 6 what you would expect to be going on in the garage 7 where Mr. Wood worked and tell us what the levels 8 were? 9 A Sure. 10 Q And how they relate to the 1986 OSHA 11 standard of .2 fibers. 12 A Sure. If we look at two different numbers, 13 the median is the middle of the numbers measured; and 14 the mean is just the average. 15 Add them up together and divide by the 16 number of the total samples and that gives you the 17 average or the mean. 18 There were 25 of those samples taken of just 19 the opening of the brake, in other words, pulling off 20 of the drum, and the median concentration was .1 and 21 the mean was .4, but there were individual