Document 37e7RgYLZBQLybom1rze3Jk5a

Page 485 1 mesotheliomas in the 1980s, and he found that in about 2 80 percent of the cases, there was a good history of 3 occupational or paraoccupational exposure to 4 asbestos. 5 The other 20 percent, that good history 6 didn't exist, but Dr. McDonald did not interview all 7 of these people himself and perhaps, some of them have 8 had significant exposure that they were unaware of, or 9 that they did not provide the history for. 10 Q In your opinion, Doctor, is it accurate to 11 say that two out of every five mesotheliomas are not 12 asbestos related? 13 A I don't think that that is accurate when we 14 are talking about United States in the 1990s. 1980s, 15 1990s, that is not accurate, no. 16 I think it is accurate to say that at least 17 80 percent of the mesotheliomas are asbestos related. 18 Q And are you able, from your review of that 19 study and the scientific literature, are you able to 20 determine where that 80 percent that are asbestos 21 related comes from, as it relates to the population?