Document rxL4vY8BJBoN7raomVQ9DM48e

1 would occur in individuals who were first exposed to Page 1754 2 asbestos sometime between 20 years ago and 50 years 3 ago, but 30 or 35 would probably be the most frequent 4 time period. 5 Q Does that latency period, does that mean 6 only the first exposures cause the disease? 7 A I don't think so. There has been some 8 theories about that and there has been some 9 publications about that. 10 Some scientists have thought that the most 11 important exposure would have been the first exposure, 12 and the time from first exposure is what is most 13 important, but I think if you look at the objective 14 data, and I have done this in Bremerton, the most 15 important thing is how much asbestos they have been 16 exposed to over a period of time. 17 The other thing that has been written by Dr. 18 Selikoff and colleagues is that when the asbestos 19 regulations went into effect and the relatively strict 20 ones in about 1972, there was a decrease incidence of 21 mesothelioma that occurred after that time, which