Document 5aYzmQ10z02YVKZKkwYr3oVN

1 But those studies would be appropriate. 2 Q You also agree, do you not, sir, it is not 3 appropriate to look at the amount of dust released 4 from using brake materials today and say that that is 5 going to automatically be the same as the amount of 6 dust that was released from using brake materials 20, 7 30, 40 years ago. 8 You would agree with that, wouldn't you? 9 A Unless the work practice has not changed. 10 Q Well, do you know what kind of brakes were 11 used on light trucks at the post office in Baltimore 12 in the late 1940s and early 1950s? 13 A No, I don't. 14 Q They go on to talk about 11 cases of 15 mesothelioma diagnosed among automobile maintenance 16 workers in Canada during 1960 to '72, and in the 17 United States in 1972, correct? 18 A That is exactly -- that is the McDonald 19 study. And it is unfortunate that they give out a 20 number of cases without actually talking about the 21 results, because the results state, the authors Page 3595