Document EvBx7KnDyBnKMx5KgjoZnOdqN

Page 301 1 included beveling or grinding. At least I don't recall 2 that I can identify those. Maybe with further 3 searching I can do that. Right now I don't know that I 4 can. 5 And I can't say that I'm confident based on the 6 reports and my discussion with them that it's 7 incorporated because they mention that that's what's 8 occurring in these facilities. But I don't think I can 9 demonstrate that that very sample or a specific sample 10 included grinding or beveling. 11 Q And of those reports where there is mention of 12 grinding or beveling occurring, would you agree that 13 there are less than 10 time-weighted average samples? 14 A No, I can't say because they have, NIOSH has 15 always characterized this as a typical workday that 16 they sample which may have included grinding and 17 beveling as part of the daily practice. But I can't 18 answer your question specifically. 19 Q But isn't it your belief, Dr. Paustenbach, 20 that in the 1970s when most of these samples were 21 collected, grinding and beveling was an infrequent 22 activity? 23 A Yes, that's why I've always said I'm surprised 24 at Mr. Mallia's report because people aren't doing much 25 of it at that time in history. ESQUIRE DEPOSITION SERVICES (415) 288-4280